TOSHIBA KIKAI KABUSHIKI KAISHA Patent applications |
Patent application number | Title | Published |
20150258724 | T-DIE AND METHOD OF MANUFACTURING THE SAME - On at least the edge portion ( | 09-17-2015 |
20150231820 | MOLDED BODY ASSEMBLY, APPARATUS FOR MANUFACTURING THE MOLDED BODY ASSEMBLY, AND METHOD OF MANUFACTURING AND USING THE MOLDED BODY ASSEMBLY - A molded body assembly ( | 08-20-2015 |
20140354209 | MACHINE TOOL AND CONTROL METHOD THEREFOR - A machine tool according to an embodiment includes a drive mechanism configured to move a control target; a motor configured to operate the drive mechanism; a first encoder configured to detect a position of the control target; a second encoder configured to detect a position of the motor; a servo control unit configured to control the motor; and a numerical control unit configured to receive or calculate an error between the position of the control target obtained from a detection result of the first encoder and a position of the control target obtained from a detection result of the second encoder from the servo control unit, and to estimate a transmission error of the drive mechanism based on a change amount of the error between before and after inversion of a moving direction of the control target. | 12-04-2014 |
20140348970 | MOLD SET - A mold set according to embodiment comprising: a die including a plurality of parts and holding a molded material; and a back plate laid below the die. | 11-27-2014 |
20140339732 | MOLDED ARTICLE MANUFACTURING APPARATUS, METHOD OF MANUFACTURING MOLDED ARTICLE, AND MOLDED ARTICLE - A molded article manufacturing apparatus includes a conveying device configured to convey an insert member in a vertical attitude, and a die including a positioning pin configured to pierce the insert member which has been conveyed by the conveying device. | 11-20-2014 |
20140339731 | MOLDED ARTICLE MANUFACTURING APPARATUS, AND METHOD OF MANUFACTURING MOLDED ARTICLE - A molded article manufacturing apparatus is configured to include a mold clamping device configured to be able to support a die which shapes a sheet-shaped insert member, the die including a fixed die with a gate, and a movable die which is movable relative to the fixed die; an injection device configured to inject a molding material into the die; and boring means configured to form a bore portion, which is continuous with the gate, in the insert member which is inserted into the die that is supported by the mold clamping device. | 11-20-2014 |
20140339727 | MOLDING SYSTEM AND METHOD OF MANUFACTURING MOLDED ARTICLE - A molding system | 11-20-2014 |
20140328092 | INVERTER DEVICE AND INVERTER GENERATOR - An inverter device includes a voltage command value output unit that outputs a voltage command value, voltage sensors that detect output voltage from a switching circuit, a Fourier transform unit that performs frequency analysis on the output voltage detected by the respective voltage sensors, and a voltage correction value calculation unit that obtains harmonics with respect to a drive frequency of the switching circuit subjected to the frequency analysis by the Fourier transform unit and obtains a voltage correction coefficients for correcting the voltage command value so as to cancel the harmonics. The voltage correction value calculation unit calculates coefficients each for each degree of the harmonics and determines whether the coefficients converges when calculating the coefficients so as to obtain the voltage correction coefficients based on the coefficients which are determined to converge. | 11-06-2014 |
20140291173 | COVER MEMBER - A cover member to be attached to an electronic device formed into a rectangular parallelepiped-like shape, and including a display section in at least one surface of the rectangular parallelepiped comprises a flat plate-like main cover configured to cover the surface of the electronic device, the surface including the display section formed therein, holding parts provided on both side surfaces of the main cover, and configured to hold the electronic device between the holding parts and the main cover; and an upper cover, and a lower cover provided on both end faces of the main cover. | 10-02-2014 |
20140245863 | CORROSION-RESISTANT AND WEAR-RESISTANT NI-BASED ALLOY - A raw powder having a composition containing, in weight percent, B: 2.2 to 3.0%; Si: 3.0 to 5.0%; Mo: 18 to 25%; Cu: 1 to 15%, the balance of Ni and unavoidable impurities, with a weight ratio of Mo content to B content being from 7 to 9, is produced using a molten metal spraying method, and the raw powder is then sintered, thereby a corrosion-resistant and wear-resistant Ni-based alloy is produced. | 09-04-2014 |
20140175691 | MOLD PROTECTION APPARATUS, MOLD PROTECTION METHOD AND MOLD CLAMPING APPARATUS - According to one embodiment, a mold protection apparatus for use in an opening/closing apparatus, the movable platen being formed to be movable in a direction towards or away from a fixed platen having a fixed mold and being fixedly provided with a movable mold, the mold protection apparatus comprises a deriving means, a calculating means, and a comparing means. The deriving means configured to obtain an actual operation drive force output from the motor. The calculating means configured to calculate a theoretical operation drive force of the motor. The comparing means configured to compare a difference between the actual operation drive force derived by the deriving means and the theoretical operation drive force calculated by the calculating means with a threshold value. | 06-26-2014 |
20140167066 | LIGHT EMITTING ELEMENT AND METHOD FOR MANUFACTURING SAME - A semiconductor light emitting element including, in a light extraction layer thereof, a photonic crystal periodic structure including two systems (structures) with different refractive indices. An interface between the two systems (structures) satisfies Bragg scattering conditions, and the photonic crystal periodic structure has a photonic band gap. | 06-19-2014 |
20140088757 | INJECTION DEVICE, MOLDING MACHINE, AND METHOD FOR CONTROLLING INJECTION DEVICE - An injection device is provided with a stationary-side frame supporting a barrel, a movable-side frame rotatably supporting a screw, a pair of ball screws, and injection drive mechanisms includes servomotors configured to rotate the ball screws. A force detector such as a load cell and the like is disposed between the first ball screw and the movable-side frame. A dummy member is disposed between the second ball screw and the movable-side frame. A control unit controls the first injection drive mechanism based on the output of the force detector and controls the second injection drive mechanism based on the output of the force detector and an arithmetic operation performed in consideration of the respective spring constants of the force detector and the dummy member. | 03-27-2014 |
20140072768 | TRANSFER DEVICE, MOLDED MATERIAL AND TRANSFER METHOD - A transfer device that transfers a fine transfer pattern formed on a master mold to a molded material, includes a first transfer unit that transfers the fine transfer pattern formed on the master mold to a replica mold made from a material that transmits light; and a second transfer unit that transfers a fine transfer pattern formed on the replica mold by the first transfer unit to the molded material. | 03-13-2014 |
20140057377 | METHOD FOR MANUFACTURING DEVICE - A method for manufacturing a device having a concavo-convex structure includes forming an organic resist film on an n-type semiconductor layer in which a fine concavo-convex structure is to be formed; forming a silicon-containing resist film on the organic resist film; patterning the silicon-containing resist film by nanoimprint; oxidizing the silicon-containing resist film with oxygen-containing plasma to form a silicon oxide film; dry-etching the organic resist film by using the silicon oxide film as an etching mask; dry-etching the n-type semiconductor layer by using the silicon oxide film and the organic resist film as an etching masks; and removing the silicon oxide film and the organic resist film. | 02-27-2014 |
20140057079 | TRANSFER DEVICE AND MOLDED MATERIAL - A transfer device includes a holding body that holds a molded material; a first roller that holds, together with the holding body, a wound mold and the molded material held by the holding body so as to carry out a transfer, and rotates about a central axis to move with respect to the holding body; and a second roller on which the mold extending from the first roller is wound in a direction away from the molded material held by the holding body, the second roller rotating about a central axis to relatively move together with the first roller. | 02-27-2014 |
20140037397 | MANUFACTURING METHOD OF MACHINE TOOL AND MACHINE TOOL - In a manufacturing method of a machine tool including: a table having a workpiece mount face on which a workpiece is placed; a spindle head; and a relative movement mechanism for moving the spindle head relative to the table, the spindle head including: a spindle head body; a spindle rotatably supported by the spindle head body via a bearing mechanism and having a tool at an end thereof; and a rotary drive source for rotating the spindle, a plurality of types of structural members of different shapes being made of a carbon fiber reinforced plastic are prepared in advance and the structural members of the different shapes are combined to provide the spindle head body. | 02-06-2014 |
20140033890 | MICROSCOPIC GEOMETRY CUTTING DEVICE AND MICROSCOPIC GEOMETRY CUTTING METHOD - A microscopic geometry cutting device includes: a controller that outputs a timer count start command in starting a driving program which controls a drive of an X-axis or a Y-axis moving mechanism; an arrival time calculator that calculates an arrival time from when the timer count start command is output till when the cutter arrives at a machining start position in accordance with relative moving speed information of the moving mechanisms and machining start position information of a workpiece W; an elapsed time determiner that determines whether an elapsed time from when the timer count start command is output is coincident with the arrival time and outputs a trigger signal when the elapsed time is coincident with the arrival time; and a reciprocating stage driver that drives the reciprocating stage in a manner that the cutter advances and retracts in a predetermined cutting depth in response to the trigger signal. | 02-06-2014 |
20140000832 | HIGH RIGIDITY, HIGH DAMPING CAPCITY CAST IRON | 01-02-2014 |
20130285285 | TRANSFERRING SYSTEM AND TRANSFERRING METHOD - A transfer system ( | 10-31-2013 |
20130271863 | FLYCUTTING GROOVE MACHINING METHOD AND FLYCUTTING MIRROR FINISHING METHOD ON FILM-LIKE WORKPIECE - The present invention is a flycutting mirror finishing method on a film-like workpiece, comprising: mounting a flycutting jig, on which a flycutting tool has been mounted, on a rotary spindle; and controlling a rotation of the rotary spindle and a position of the film-like workpiece relative to the rotary spindle; wherein, in order that the flycutting tool forms a mirror surface on a side edge surface of the film-like workpiece, the position of the film-like workpiece relative to the rotary spindle is moved in parallel with the mirror surface. | 10-17-2013 |
20130255902 | QUALITY MANAGEMENT DEVICE AND DIE-CAST MOLDING MACHINE - A quality management device and a die-cast molding machine capable of suitably inspecting quality in relation to the amount of blowholes of a die-cast product which is cast according to a PF die casting method are provided. A quality management device | 10-03-2013 |
20130255091 | MACHINING APPARATUS WITH ON-MACHINE MEASURING FUNCTION - A machining apparatus including a distributor which generates a movement command for a motor; a position detector which detects a working position of the motor; and a motor controller which controls a corresponding motor based on the movement command, with the output of the position detector being fedback to the motor controller. During a scanning measurement control, in place of a machining tool, a probe sensor capable of measuring a distance relative to a work is attached, and while input of the movement command to the motor controller is interrupted, a measurement result obtained by the probe sensor is fedback to the motor controller. The detection result obtained by the position detector is superimposed on the measurement result and outputted as information on a shape of the work. | 10-03-2013 |
20130221879 | METHOD OF CONTROLLING A CURRENT OF A MOTOR AND CONTROL DEVICE OF A MOTOR - The present invention is a control device of a motor, for drawing out a capacity of the motor as much as possible so as to achieve a high-speed high-output performance thereof while securing a stability, including: a converter unit configured to rectify and smooth an AC voltage, and to output a DC main circuit voltage; an inverter unit configured to pass a current for driving the motor, with the use of the main circuit voltage; a current detector configured to detect an armature current passing through the motor; a position detector disposed on the motor, the position detector being configured to detect a motor speed; and a current control unit configured to control, upon reception of a q-axis current command (Iqr), the armature current passing through the motor, by outputting a signal for driving the inverter unit, with the use of data from the current detector and data from the position detector. | 08-29-2013 |
20130218422 | CONSTRUCTION MACHINE WITH HYBRID DRIVE UNIT, REGENERATIVE DEVICE EQUIPPED IN CONSTRUCTION MACHINE, AND REGENERATIVE METHOD - Provided is a method of controlling the regenerating condition by use of a construction machine having an upper revolving structure with a hybrid drive unit, and a lower traveling body, wherein when in a brake mode, the hydraulic motor is neutralized by the internal communication of an inlet port and an outlet port of the hydraulic motor via a communication valve, such that most of the kinetic (inertia) energy is efficiently transduced into electric energy by way of regenerative power generation for electric storage, and such that the switchover between driving and regenerative power generation is rendered in the optimal condition. | 08-22-2013 |
20130195143 | METHOD OF MEASURING TEMPERATURE IN CUTTING PROCESS - The invention relates to a method of measuring a cutting temperature for an apparatus for a cutting process, when the apparatus for a cutting process includes a shank and a tool jointed to the shank by means of silver solder, the shank being electrically conductive, the tool being electrically nonconductive. The method includes: connecting a first lead wire to the shank, connecting a second lead wire to the silver solder, and measuring thermal electromotive force that is generated between the first lead wire and the second lead wire. | 08-01-2013 |
20130187925 | LOGIC GRAPH DISPLAYING APPARATUS AND LOGIC GRAPH DISPLAY METHOD, BOTH FOR USE WITH MOLDING MACHINES - A logging data about a signal identifier of the I/O signals which changed in on/off state are stored in a ring buffer. A logging screen includes identifier display parts, logic-graph display parts and first and second cursors. The logic-graph display parts display logic graphs associated with signal identifiers, respectively. When any one of the identifier display parts displayed on the logging screen is clicked, the logging screen is changed to an input window. If a desired input identifier is input in the input window, the logging data associated with the signal identifier is read from the ring buffer and the logic graph is displayed in the logic-graph display parts. The logic graph can be modified. | 07-25-2013 |
20130167350 | WORK SETTING APPARATUS,WORK SETTING METHOD, AND WORK HOLDER REMOVING METHOD - A work setting apparatus includes a lower table | 07-04-2013 |
20130152368 | WORK SETTING APPARATUS AND METHOD THEREOF - A work setting apparatus includes a lower table | 06-20-2013 |
20130152364 | WORK HOLDER, WORK SETTING APPARATUS, AND WORK SETTING METHOD - A work holder | 06-20-2013 |
20130147078 | MOLDING MACHINE CONTROLLING APPARATUS AND METHOD OF CONTROLLING MOLDING MACHINE - A pressure detector which detects a pressure of a material in a cylinder, and a pressure compensator which compares, in injection control, a preset value of an injection pressure with an actual measurement value of the injection pressure detected by the pressure detector, generates an injection speed command to a servo motor based on a comparison value, and varies a proportional gain based on a deviation of the actual measurement value of the injection pressure from the preset value of the injection pressure. | 06-13-2013 |
20130139372 | METHOD FOR PRODUCING MELT SUPPLY PIPE FOR ALUMINUM DIE CASTING - There is provided a melt supply pipe for aluminum die casting which is strong to mechanical impact and is excellent in the melting loss resistance to a molten aluminum alloy and which has a significantly extended life. The melt supply pipe for connecting a melting furnace and a plunger sleeve of a die casting machine, includes an inner ceramic pipe and an outer steel pipe fitted to the inner pipe, wherein a Ni alloy layer is formed over the inner circumferential surface of the outer steel pipe, and TiC particles are bonded to the surface of the Ni alloy layer. | 06-06-2013 |
20130134236 | PAINTING ROBOT SYSTEM AND SPRAY GUN UNIT - A painting robot system includes a robot and a spray gun unit. The robot includes a plurality of robot arms and a drive shaft member disposed on a distal end robot arm of the multiple robot arms, the drive shaft member being rotatable about a distal end drive axis. The spray gun unit is mounted on the robot arm. The spray gun unit includes a support member fixed to the distal end robot arm, guide members disposed on the support member, a plurality of spray guns disposed on the support member, and a linkage mechanism connecting between the movable spray guns and the drive shaft member. A spacing between at least one pair of adjacent spray guns can be varied via the linkage mechanism by rotating the drive shaft member of the robot. | 05-30-2013 |
20130029444 | LASER DICING METHOD - A laser dicing method includes: placing a workpiece substrate on a stage; generating a clock signal; emitting a pulse laser beam synchronous with the clock signal; switching irradiation and non-irradiation of the workpiece substrate with the pulse laser beam in a unit of light pulse in synchronization with the clock signal to perform first irradiation of the pulse laser beam on a first straight line by controlling the pulse laser beam using a pulse picker; performing second irradiation of the pulse laser beam on a second straight line, which is adjacent to the first straight line in a substantially parallel fashion, after the first irradiation; and forming a crack reaching a workpiece substrate surface on the workpiece substrate by the first irradiation and the second irradiation. | 01-31-2013 |
20130015709 | BACKUP POWER SUPPLY DEVICE, AND POWER OUTPUT METHODAANM Matsunaga; WataruAACI Susono-shiAACO JPAAGP Matsunaga; Wataru Susono-shi JPAANM Katsumata; KazuhiroAACI Gotemba-ShiAACO JPAAGP Katsumata; Kazuhiro Gotemba-Shi JPAANM Yamaguchi; YutakaAACI Tagata-GunAACO JPAAGP Yamaguchi; Yutaka Tagata-Gun JP - A backup power supply device configured to supply an electric power for backup to an optical encoder | 01-17-2013 |
20120326346 | SHEET-SHAPED MOLD POSITION DETECTION DEVICE, TRANSFER DEVICE AND TRANFER METHOD - A sheet-shaped mold position detection device | 12-27-2012 |
20120313289 | TRANSFER SYSTEM AND TRANSFER METHOD - A transfer system | 12-13-2012 |
20120306112 | MOLDING MACHINE AND INJECTION MOLDING CONTROLLING METHOD - A molding machine according to an embodiment includes a stationary platen equipped with a stationary die, a movable platen equipped with a movable die, a locking drive mechanism to move the movable platen forward or backward and to lock the movable die against the stationary die, a detecting portion to detect information about a locking state, an injection device, and a control unit to monitor the information obtained by the detecting portion in an injecting process and to control an injection pressure of the injection device based on a value obtained from the information. | 12-06-2012 |
20120306110 | LOCKING APPARATUS AND CONTROL METHOD OF LOCKING APPARATUS - A locking apparatus includes a stationary platen on which a stationary die is mounted, a movable platen on which a movable die is mounted, a locking drive mechanism that advances or retreats the movable platen, an ejecting member held in the movable platen to remove a molded product from the movable die, a protruding drive mechanism that pushes out the ejecting member from the movable die, and an error detection unit that detects extraneous material based on a state change of the ejecting member or the protruding drive mechanism during a closing operation. | 12-06-2012 |
20120286450 | METHOD OF FORMING MICROPATTERN, DIE FORMED BY THIS METHOD OF FORMING MICROPATTERN, TRANSFER METHOD AND MICROPATTERN FORMING METHOD USING THIS DIE - A micropattern is joined to a substrate (W | 11-15-2012 |
20120285928 | METHOD OF FORMING MICROPATTERN, DIE FORMED BY THIS METHOD OF FORMING MICROPATTERN, TRANSFER METHOD AND MICROPATTERN FORMING METHOD USING THIS DIE - A micropattern is joined to a substrate (W | 11-15-2012 |
20120285927 | METHOD OF FORMING MICROPATTERN, DIE FORMED BY THIS METHOD OF FORMING MICROPATTERN, TRANSFER METHOD AND MICROPATTERN FORMING METHOD USING THIS DIE - A micropattern is joined to a substrate (W | 11-15-2012 |
20120282362 | POROUS FILM MANUFACTURING METHOD AND SUCCESSIVE BIAXIAL STRETCHING APPARATUS FOR MANUFACTURING POROUS FILM - Provided is a method for manufacturing a high-quality porous film. Here, while the porous film is being manufactured through forming micropores by stretching, a raw film is prevented from slipping on the surfaces of the respective rolls as much as possible even though the raw film includes oil or liquid paraffin as a solvent. The method is for manufacturing a porous film through forming micropores by successive biaxial stretching. A tensile force applied to the raw film F transferring from the longitudinal stretching machine ( | 11-08-2012 |
20120229065 | INVERTER POWER GENERATOR - An inverter includes a voltage command generator generating a voltage command value according to an externally specified voltage value, a PWM signal generator generating a PWM signal according to the voltage command value and frequency command value, and a switching unit generating a three-phase AC power according to the PWM signal. The voltage command generator decreases the voltage command value if the output current increases, to prevent the rotation speed of a prime move from suddenly changing. If the output current exceeds a preset upper current threshold, the voltage command value is clamped at a preset minimum output voltage, thereby securing the minimum output voltage for an increase in the output current. | 09-13-2012 |
20120229063 | INVERTER POWER GENERATOR - An inverter power generator includes a current controller | 09-13-2012 |
20120224930 | MACHINING METHOD, PROGRAM, MACHINING-PROGRAM GENERATING PROGRAM AND MACHINING APPARATUS OF PRESS DIE - A machining method of a press die having a pierce cutter and a secondary relief-clearance area recessed inward relative to a profile of the pierce cutter. A plunge cutting tool has an edge portion protruding from an outer circumference of a tool body and can carve while rotating and moving in an axial direction of the tool body. While rotating the plunge cutting tool with an axis of the tool body being approximately parallel to a surface of the pierce cutter, the plunge cutting tool is relatively moved along the profile of the pierce cutter. The plunge cutting tool is also relatively moved in the axial direction of the tool body along the shape of the pierce cutter and the secondary relief-clearance area in a piercing direction each time the plunge cutting tool is relatively moved by a predetermined pitch. | 09-06-2012 |
20120175973 | CORELESS LINEAR MOTOR - A coreless linear motor includes a fixed member and a movable member. The fixed member has groups of permanent magnets arranged in a yoke. The movable member has a coil assembly. The groups of permanent magnets include first and second groups of permanent magnets arranged so as to face each other. Each of the first and second groups of permanent magnets has a plurality of magnets along a longitudinal direction of the yoke. In the plurality of magnets, magnetic poles of magnets facing along the longitudinal direction of the yoke alternate. Magnetic poles of the permanent magnets along the longitudinal direction of the yoke are the same. The coil assembly has at least three coils arranged movably relative to the first and second groups of permanent magnets along the longitudinal directions of the yoke between the first and second groups of permanent magnets. | 07-12-2012 |
20120139265 | INVERTER GENERATOR - An inverter generator used in combination with a motor and an ECU generating a pulse at each predetermined rotation angle of the motor is comprised of: an electric generator driven by the motor configured to generate alternating current electric power; estimating means for estimating an electrical angle of alternating voltage of the alternating current electric power from the pulse, the estimating means being electrically connected with the ECU; a converter configured to convert the alternating current electric power into direct current electric power, the converter electrically connected with the electric generator and the estimating means; and an inverter configured to convert the direct current electric power into alternating current output electric power, the inverter electrically connected with the converter. | 06-07-2012 |
20120139239 | INVERTER GENERATOR - An inverter generator includes a motor, an electric generator and an ECU generating a pulse at each predetermined rotation angle of the motor. Estimating means estimates an initial electrical angle of alternating voltage produced by the generator from the pulse and calculates a phase shift angle to estimate continuous electrical angle of the alternating voltage. A converter converts the alternating current electric power into direct current electric power under d-q control based on the phase shift angle. An inverter converts the direct current electric power into alternating current output electric power. | 06-07-2012 |
20120128813 | INJECTION MOLDING MACHINE - An injection molding machine that can prevent a stationary platen and a mold attached thereto from being tilted by applying a nozzle touch force. A connection part is mounted on a stationary platen via a connection pipe. The connection part is mounted on a connection mechanism via a block. A ball screw shaft as a nozzle touch drive mechanism is rotatably mounted on the connection mechanism. The block is adjusted for a mounting position thereof such that tilt in the stationary platen and a mold attached thereto is eliminated when the mold is attached to the stationary platen and a nozzle touch force is applied to the mold. The nozzle touch force prevents the stationary platen and the mold from being tilted. | 05-24-2012 |
20120068376 | RAIL SUPPORT DEVICE AND SHEET STRETCHING METHOD - A rail support device installed in a clip chain type sheet stretching apparatus configured to stretch a sheet includes a first rail support member, a second rail support member, and an arc shaped rail support member. The arc shaped rail support member is engaged with each of the connecting portions of the first and second rail support members to form a higher pair. The rail support device is symmetrical with respect to an intersection angle bisecting plane which is a plane developing in a vertical direction and including an intersection angle bisector. | 03-22-2012 |
20120065041 | JIG FOR HOLDING THIN CYLINDRICAL WORK, METHOD FOR PROCESSING THIN CYLINDRICAL WORK, AND SHEET FILM FORMING ROLL - A holding jig ( | 03-15-2012 |
20120038080 | FILM STRETCHING MACHINE AND FILM STRETCHING METHOD - A film stretching machine includes a clip chain for holding a lateral edge of a film and stretches the film while transporting the film with the clip chain holding the film and traveling, and includes an upper reference rail disposed at an upper side for guiding the clip chain; a lower reference rail disposed at a lower side for guiding the clip chain; a plurality of clips that constitutes the clip chain; an interval adjusting rail for adjusting intervals of the plurality of clips; and interval adjusting links that couple neighboring clips among the plurality of clips and contact with the interval adjusting rail to adjust the intervals of the plurality of clips. According to the film stretching machine, a stretch degree of a film can be adjusted with a simple configuration and little man-hours. | 02-16-2012 |
20110285046 | INJECTION MOLDING METHOD AND INJECTION MOLDING DEVICE - An injection molding device comprises a mold-clamping device that operates in both of a mold-closing state in which a mold is closed under predetermined pressure and a micro mold-open state in which the mold is held in a state in which the mold is open from the mold-closing state by a predetermined amount, an injection device that molds a molded product by injecting a molding material into the mold set to the mold-closing state or the micro mold-open state and a controller that changes a stop position of the mold in the micro mold-open state in accordance with a change of a mold-closing position when the mold-closing position of the mold in the mold-closing state is changed. | 11-24-2011 |
20110277603 | PRECISION ROLL TURNING LATHE AND AUTOMATIC TOOL CHANGER THEREFOR - There is provided an automatic tool changer which, in a precision roll turning lathe which feeds a tool post at a high speed, can automatically change a tool, such as a cutting tool, without stopping the machine, thereby enabling highly efficient ultra-Precision machining of a roll mold for molding of a large-sized plastic sheet. The automatic tool changer includes: a change device including a vertically movable pivot arm having a pivot axis and which pivots in a horizontal plane, a hand portion, mounted at the front end of the arm, for detachably gripping a tool holder, a pivot drive section for pivoting the pivot arm, and a lifting drive section for vertically moving the pivot arm; a tool holder stocker, having a plurality of circumferentially-arranged stages disposed at a predetermined distance from the pivot axis, each stage detachably holding a tool holder; a holder base, mounted to the tool post, for fixing and unfixing a tool holder through the rotation of a clamp shaft; and a clamp shaft operating device including an operating portion for clamping/unclamping the tool holder by rotating the clamp shaft. | 11-17-2011 |
20110270436 | METHOD FOR MACHINING SLIDE CORE HOLE AND MEASUREMENT/CORRECTION SYSTEM FOR USE IN MACHINING OF SLIDE CORE HOLE - There are provided a method for machining a slide core hole and a measurement/correction system for use in machining of a slide core hole, which enable efficient machining of a slide core hole while utilizing the high-speed cutting performance of a five-axis machine tool. The method for machining an inclined slide core hole, comprised of a core pocket and a rod hole, in a mold as a workpiece by means of a five-axis machine tool having, in addition to X-axis, Y-axis and Z-axis, an A-axis for pivoting of a spindle head and a C-axis for rotation of a table, includes the steps of: pivoting the spindle head to meet the inclination angle of the slide core hole to be machined in the mold, and fixing the A-axis angle; spot-facing a shallow flat-bottomed spot-faced hole in the surface of the mold by using an end mill as a tool; drilling a guide hole in the bottom surface of the spot-faced hole by using a drill or a reamer as a tool; drilling said rod hole by using a gun drill as a tool with the guide hole as a guide for the gun drill; carrying out, as pre-machining before machining of said core pocket, shaping machining to form an intermediate pocket hole while expanding the spot-faced hole by using an end mill as a tool; correcting a reference point for use as a reference in machining of the core pocket based on measurement of the shape of the intermediate pocket; and executing a corrected machining program with the corrected reference point to carry out precision shaping machining of the core pocket while expanding the intermediate pocket by using an end mill as a tool. | 11-03-2011 |
20110269084 | AUTOMATIC TEMPERATURE RISE CONTROL METHOD FOR MOLDING MACHINE - A method for controlling temperature rise in divided heating zones of a barrel of a molding machine includes: setting tentative target temperatures for the respective heating zones; simultaneously raising temperatures in the heating zones to the set tentative target temperatures; when temperatures in the heating zones reach the respective tentative target temperatures, selecting a master zone from the heating zones, and selecting, as a slave zone, a heating zone which is other than the master zone among the heating zones; and after temperatures in the heating zones reach the respective tentative temperatures, raising the temperatures in the master zone and the slave zone to respective final target temperatures according to an attainment degree of temperature rise in the master zone. | 11-03-2011 |
20110241594 | SERVO CONTROL METHOD AND SERVO CONTROL APPARATUS - A method according to an example of the present invention is a servo control method to be applied to a feed drive mechanism configured to drive an object to be driven by using a plurality of motors, in which velocity control of the object to be driven is carried out by using a signal obtained by mixing velocity feedback signals of the motors with each other, and a torque instruction obtained by the velocity control is used for drive of all the motors. By this example, there is provided a servo control system capable of preventing a phenomenon in which a transfer function changes depending on the position of the object to be driven, and the phase abruptly lags to make the operation unstable, thereby making it difficult to increase the gain, from occurring. | 10-06-2011 |
20110240619 | PULSE LASER PROCESSING DEVICE - Provide a pulse laser processing device which facilitates stable microfabrication of the surface of a large target processing material, and an increase in the speed of microfabrication. The pulse laser processing device includes a reference clock oscillating circuit which generates a clock signal, a laser oscillator which emits a pulse laser beam synchronized with the clock signal, a laser scanner which scans a pulse laser beam only in a one-dimensional direction in synchronization with the clock signal, a stage on which the target processing material can be placed and which moves in a direction orthogonal to the one-dimensional direction, and a pulse picker which is provided on an optical path between the laser oscillator and laser scanner and which switches pass and block of the pulse laser beam in synchronization with the clock signal. | 10-06-2011 |
20110229280 | DEEP HOLE PROCESSING DEVICE - There is provided a deep hole processing device for forming a hole by rotational movement of a main spindle to which a tool is attached of a portal machine toward a workpiece, having, a bush having a hole diameter for guiding rotational movement of the tool, and a bush holding unit provided on a cross rail capable of moving on columns of the portal machine for holding the bush with respect to a spindle head on which the main spindle is mounted at a predetermined distance, wherein a position of the bush relative to the workpiece and a pressure at which the bush is pressed against the workpiece may be controlled by movement of the cross rail. | 09-22-2011 |
20110223274 | RECIPROCATING APPARATUS, METHOD OF CONTROLLING RECIPROCATING APPARATUS, AND INJECTION MOLDING APPARATUS - A reciprocating apparatus comprises a reciprocating member, a drive mechanism, an input device, a work-switch position calculating unit configured to calculate a work-switch position for the drive mechanism, a direction-switch position calculating unit configured to calculate a direction-switch position, a remaining-distance calculating unit configured to calculate a remaining distance that is a difference between the direction-switch position calculated by the direction-switch position calculating unit and a direction-switch position input at the input device, a target direction-switch position calculating unit configured to add the remaining distance, to the direction-switch position calculated by the direction-switch position calculating unit, thereby to calculate a target direction-switch position, and a corrected position calculating unit configured to calculates a corrected work-switch position for the drive mechanism so that the drive mechanism may cause the reciprocating member to start moving in the opposite direction at the target direction-switch position calculated by the target direction-switch position calculating unit. | 09-15-2011 |
20110217905 | GRINDING MACHINE HAVING THE FUNCTION OF MEASURING DISTANCE - The invention relates to a grinding machine for grinding a workpiece, which has been set on a chuck top surface, by moving a rotating grinding wheel in relation to the workpiece. The grinding machine includes: a microscope configured to be vertically movable; a CCD camera configured to take an image viewed through the microscope; and an image processor configured to process the image taken by the CCD camera to measure a vertical distance between a reference plane of the microscope and an object of the microscope. The image processor is adapted to measure the vertical distance between the reference plane of the microscope and the object of the microscope based on sharpness of the image, which corresponds to how clear the microscope is focused. | 09-08-2011 |
20110192474 | HYDRAULIC CONTROL VALVE FOR CONSTRUCTION MACHINERY - It is addressed to provide a hydraulic control valve for preventing high-speed rotation of a valve body of a check valve incorporated in the hydraulic control valve of a type that pressure oil is supplied from a tandem path and a parallel path via the check valve. A check valve unit (CH) is constituted by a main unit ( | 08-11-2011 |
20110167968 | METHOD AND APPARATUS FOR ROLL SURFACE MACHINING - There is provided a roll surface machining method and apparatus for using a cutting tool to carry out ultra-precision machining in the surface of a roll with a reduced amount of data. The apparatus and method for roll surface machining includes setting a machining start position of a cutting tool with respect to the surface of the roll by C-axis indexing of the roll and positioning of the roll in the axial direction (Z-axis direction) both with respect to the cutting tool. Also the cutting tool and the roll are moved relative to each other in the axial direction of the roll by position control using C-Z axis interpolation, thereby forming a three-dimensional pattern in the surface of the roll. | 07-14-2011 |
20110142982 | INJECTION MOLDING MACHINE - A screw is moved along an axis by a screw advancement-retraction mechanism. A screw rotation mechanism is supported for movement along the axis by a pair of supporting members, each includes a rail for use as a guide member. The supporting members are arranged individually along tie-bars for use as lateral members and extend parallel to the tie-bars. One longitudinal end portion of each supporting member is secured to a frame of an injection unit by a fixing portion including a fixing member. The other end portion of the supporting member is supported on each tie-bar by a movable portion including a sliding member. The sliding member is movable along an axis of the tie-bar. With this arrangement, deformation, if any, of the tie-bar is prevented from affecting the rail, so that the screw rotation mechanism and the screw can move steadily. | 06-16-2011 |
20110095006 | LASER DICING METHOD AND LASER DICING APPARATUS - The present invention provides a laser dicing method that optimizes an irradiation pattern of a pulse laser beam to control generation of a crack and has a superior cutting characteristic. The laser dicing method includes loading a work piece on a stage, generating a clock signal, emitting a pulse laser beam synchronized with the clock signal, relatively moving the work piece and the pulse laser beam, and switching irradiation and non-irradiation of the pulse laser beam onto the work piece in the unit of a light pulse by controlling pass and interception of the pulse laser beam in synchronization with the clock signal, thereby forming a crack running up to a work piece surface in the work piece. | 04-28-2011 |
20110093115 | POSITION ENSURING SYSTEM FOR OBLIQUE MACHINING IN FIVE-AXIS MACHINE TOOL - A position ensuring system includes an A-axis calibration system which measures a displacement angle, which is an error between a target value and a measured value of the pivot angle of the spindle head about the A-axis, and corrects the pivot angle about the A-axis in such a manner that the displacement angle as measured with the corrected pivot angle as a target value fall within a tolerable range. A corrected data storage device stores the corrected pivot angle about the A-axis. An A-axis control system reads out the corrected pivot angle about the A-axis, the corrected pivot angle about the A-axis to pivot the spindle head when executing oblique machining of the inclined hole. | 04-21-2011 |
20110082586 | HANDLING APPARATUS, CONTROL DEVICE, CONTROL METHOD, AND PROGRAM - A handling apparatus having a belt conveyor ( | 04-07-2011 |
20110041960 | HIGH RIGIDITY, HIGH DAMPING CAPACITY CAST IRON - A high rigidity, high damping capacity cast iron, which is a cast iron containing 3 to 7% of Al, and produced by heating at 280 to 630° C. after casting, and then cooling. | 02-24-2011 |
20110040522 | VELOCITY DETECTION DEVICE AND SERVOMOTOR - A velocity detection device includes a rotational direction discriminator calculating an x coordinate or a y coordinate in temporary coordinates on a line between an origin of the coordinates and a point obtained by rotating the actual second coordinates by as much as a rotational angle a in a direction of a coordinate axis, the rotational direction discriminator discriminating a rotational direction from the actual first coordinates to the actual second coordinates based on either a sign of the x or y coordinate in the temporary coordinates; and a processor calculating calculational second coordinates represented by a multiplication, addition or subtraction between the actual first coordinates and one of the trigonometric function values to make calculational second coordinates closer to the actual second coordinates, and calculating the velocity of the moving body based on the temporary angles corresponding to the trigonometric function value used for the calculational second coordinates. | 02-17-2011 |
20110014495 | METAL MATERIAL FOR PARTS OF CASTING MACHINE, MOLTEN ALUMINUM ALLOY-CONTACT MEMBER AND METHOD FOR PRODUCING THEM - A Ni alloy layer is formed on a surface of a steel base on the side to be in direct contact with a molten aluminum alloy, and titanium carbide (TiC) is bonded in a particulate state to the surface of the Ni alloy layer. This makes it possible to provide a metal material having materially enhanced melting loss resistance without resorting to conventional techniques, such as the provision of a ceramic coating by PVD or CVD. | 01-20-2011 |
20110007400 | MICROLENS TRANSCRIPTION MOLDING ROLLER, MANUFACTURING METHOD THEREOF, MANUFACTURING APPARATUS THEREOF, AND MICROLENS OPTICAL SHEET - A microlens transcription molding roller used for transcription-molding a plurality of microlenses on a sheet includes a plurality of microlens molding surfaces arrayed on an outer circumference of the roller along one spiral around an axis of the roller at a constant interval. | 01-13-2011 |
20110003672 | SHEET OR FILM-FORMING ROLL - A sheet or film-forming roll 10 includes an inner cylinder member 20 having axial parts 21, 22 provided on both sides thereof and rotatably supported by bearing parts 26, 27 through the axial parts 21, 22, a rubber roll 40 fitted to an outer circumferential surface of the inner cylinder member 20, eccentric side plates 53, 54 rotatably fitted to the axial parts 21, 22 of the inner cylinder member 20 respectively, and an elastic outer cylinder member 50 rotatably supported by the eccentric side plates 53, 54. The elastic outer cylinder member 50, which is provided with a thin-walled structure and made from metal, has an inner diameter larger than an outer diameter of the rubber roll 40 to accommodate the rubber roll 40 in an interior 68 thereof, and has inner circumferential surface 50A coming into contact with an outer circumferential surface 40A of the rubber roll 40. | 01-06-2011 |
20110000576 | LOOM AND DRIVE DEVICE OF LOOM | 01-06-2011 |
20100276105 | METHOD AND APPARATUS FOR REMOVING A CASTED PART FOR USE IN A DIE CASTING MACHINE - A method for removing a casted part, for use in a die casting machine comprises the steps of setting a position in which a chuck performs an operation to grasp a casted part attached to a movable mold as a position from which the casted part is to be removed, and setting a relative positional relationship between a handle portion which is a part of the casted part attached to the movable mold to be grasped by the chuck and a movable die plate. The method further comprises the step of advancing the chuck between the movable mold and the fixed mold and positioning the chuck at the position from which the casted part is to be removed, in parallel with the movement of the movable die plate. Additionally, the method comprises the steps of stopping the movable die plate when the handle portion of the casted part attached to the movable mold reaches the position from which the casted part is to be removed, grasping the handle portion of the casted part by using the chuck, and removing the casted part from the movable mold. | 11-04-2010 |
20100242693 | CUTTING-EDGE POSITION DETECTING METHOD AND CUTTING-EDGE POSITION DETECTING APPARATUS - The cutting-edge position detecting method includes the steps of: under a condition in which the cutting edge of the tool is positioned in an image that is taken by a camera, performing first sampling scanning operations for the image in a predetermined scanning direction at predetermined first intervals, and recognizing points on an upper edge line of the cutting edge of the tool and points on a lower edge line thereof, based on brightness changing points upon the first scanning operations; connecting the recognized points on the respective two edge lines, so as to obtain two first-level approximate linear lines by a least-squares method; performing second sampling scanning operations for the respective two first-level approximate linear lines in directions perpendicular thereto at predetermined second intervals, and newly recognizing points on the upper edge line of the cutting edge of the tool and points on the lower edge line thereof, based on brightness changing points upon the second scanning operations; connecting the newly recognized points on the respective two edge lines, so as to obtain two second-level approximate linear lines by a least-squares method; and obtaining a coordinate of an intersection of the second-level approximate linear lines, as the position of the cutting edge of the tool, with respect to the measurement reference point. | 09-30-2010 |
20100229790 | TRANSFER METHOD AND TRANSFER APPARATUS - An intermittent coating member | 09-16-2010 |
20100221377 | SHEET OR FILM OBLIQUE STRETCHING METHOD AND SHEET OR FILM CLIPPING STRETCHER - Clipping both right and left side edge parts of a sheet or film by right and left pitch-variable clips having flow-directional clip pitches variable along with travel movements, respectively, having positions (AR, AL) for initiation of enlargements of flow-directional clip pitches changed between right clips and left clips, and enlarging flow-directional clip pitches along with travel movements of clips to thereby make an oblique stretch. | 09-02-2010 |
20100112120 | INJECTION MOLDING MACHINE - An injection apparatus includes a guide member on a frame via a guide member support mechanism. A screw rotation mechanism is assembled on the guide member. This prevents the guide member from being affected by deformation of the frame and allows the screw rotation mechanism to be smoothly moved. Thus, a screw rotatably coupled to the screw rotation mechanism can be smoothly moved. | 05-06-2010 |
20100112113 | MOLD FASTENING DEVICE AND METHOD OF CONTROLLING THE MOLD FASTENING DEVICE - A mold fastening device has a fixed die plate, a rear plate, a movable die plate that can move back and forth, a toggle mechanism, and a drive motor that drives a cross-head. The position where the cross-head should be stopped is associated with the rate at which to accelerate the cross-head from that position or the rate at which to decelerate the cross-head to that position. The cross-head is operated at an acceleration that corresponds to that position. The drive motor is thereby driven at a constant output torque, regardless of the position of the movable die plate. Further, the time for opening and closing metal molds can be shortened. | 05-06-2010 |
20100094453 | HANDLING SYSTEM, WORK SYSTEM, AND PROGRAM - A handling system able to efficiently process information relating to a plurality of conveyed articles, the handling system provided with a conveyer for conveying workpieces, a visual sensor for detecting positions of workpieces by acquiring images of a plurality of tracking ranges obtained by dividing a belt into sections, an encoder for detecting an amount of movement of the belt, a tracking manager for monitoring amounts of movement of the plurality of tracking ranges based on the amount of movement detected by the encoder and specifying the tracking range passing through a workpiece detection area, a workpiece manager for selecting the article in the tracking range specified by the tracking manager, and a controller for controlling operations of robots so as to hold the workpiece selected by the workpiece manager. | 04-15-2010 |
20100088053 | PHASE DETECTION DEVICE AND POSITION DETECTION DEVICE - Provided is a phase detection device which can detect a phase by using a simple configuration. The phase detection device | 04-08-2010 |
20100086629 | TRANSFER APPARATUS HAVING GIMBAL MECHANISM AND TRANSFER METHOD USING THE TRANSFER APPARATUS - A transfer apparatus includes a table on which a molding material is placed, a mold holding body that fixes and holds a mold disposed such as to be opposed to a surface of the table, a gimbal member which holds the mold holding body and which forms a convex spherical surface portion, a gimbal member formed with a concave spherical surface portion which is opposed and in contact with the convex spherical surface portion, a movable body that holds the gimbal member and which can advance and retreat in the vertical direction with respect to the table surface, and an attitude adjusting/holding unit that adjusts and holds attitude of the gimbal member. | 04-08-2010 |
20100084439 | MELT SUPPLY PIPE FOR ALUMINUM DIE CASTING - There is provided a melt supply pipe comprising a melt supply pipe body composed of an inner ceramic pipe and an outer steel pipe, the outer steel pipe having a Ni alloy layer formed over the inner circumferential surface, and TiC particles attached to the surface of the Ni alloy layer, wherein grooves are formed at both ends of the melt supply pipe body, each groove forming an annular space overlapping the boundary between the outer circumferential surface of the inner ceramic pipe and the inner circumferential surface of the outer steel pipe, and a fibrous sheet of an inorganic material is inserted into each of the annular grooves such that the sheet extends over the entire circumference of the groove. The melt supply pipe is strong to mechanical impact owing to the use of the steel pipe in combination with the ceramic pipe and can prevent intrusion of an aluminum melt despite the difference in thermal expansion between the steel pipe and the ceramic pipe. | 04-08-2010 |
20100076973 | RESOURCE INFORMATION PROVIDING SYSTEM, METHOD, RESOURCE INFORMATION PROVIDING APPARATUS, AND PROGRAM - In a resource information providing system in which resource information providing apparatuses which periodically collect pieces of resource information of a management target apparatus and stores the pieces of information in a cache are hierarchized, when an elapsed time specifying request specifying maximum allowable elapsed time with respect to the resource information is input from a request source which requests the resource information, the resource information providing apparatus obtains the maximum elapsed time from acquisition of the resource information by the management target apparatus until arrival thereof to the request source and determines whether it is exceeding the maximum allowable elapsed time input from the request source or not. If it is exceeding, the resource information providing apparatus shortens the collection interval thereof by the time obtained by subtracting the maximum allowable elapsed time from the maximum elapsed time. | 03-25-2010 |
20100011815 | GLASS-SHAPING MOLD AND METHOD FOR MANUFACTURING THE SAME - A glass-shaping mold includes a steel base member, and a crystallized, machined layer, an intermediate layer and a mold-releasing layer which are sequentially formed on the base member. The machined layer is a layer of nickel alloy containing phosphorus. The intermediate layer is a layer formed of chromium, nickel, copper or cobalt. Alternatively, the intermediate layer is a layer of an alloy layer containing at least one of these elements. The mold-releasing layer is a layer of an alloy containing iridium and rhenium. | 01-21-2010 |
20090313313 | DIGITAL FILTER DEVICE, PHASE DETECTION DEVICE, POSITION DETECTION DEVICE, AD CONVERSION DEVICE, ZERO CROSS DETECTION DEVICE, AND DIGITAL FILTER PROGRAM - A digital filter device capable of removing the effect of noise such as chattering from a zero crossing signal is provided. A digital filter device | 12-17-2009 |
20090297386 | HIGHLY STIFF AND HIGHLY DAMPING CAST IRON - A highly stiff and highly damping cast iron containing C and Si in an amount of 3.30 to 3.95% in terms of carbon equivalent shown in the following equation (1), Mn: 0.25 to 1.0%, P: 0.04% or less, S: 0.03% or less, Al: 3 to 7%, and Sn: 0.03 to 0.20%, balance being Fe and unavoidable impurities: | 12-03-2009 |
20090290669 | PHASE DIFFERENCE DETECTION DEVICE AND ROTATION POSITION DETECTION DEVICE - A phase difference detection device able to detect a phase with a high precision is provided. A phase difference detection device | 11-26-2009 |
20090278482 | SERVOMOTOR CURRENT CONTROL METHOD, CURRENT CONTROL PROGRAM, RECORDING MEDIUM, SERVOMOTOR, AND INJECTION MOLDING MACHINE - A method of controlling a current by supplying a d-axis current in order to prevent a voltage saturation includes: defining an amount of the d-axis current as Id=|Idmax|·sin θ; continuously comparing a voltage command value with the voltage command value threshold Vo in a predetermined cycle; extracting a predetermined number No of latest: comparison results in terms of time; setting a phase angle θ to be 0° when a number N of the comparison results out of the predetermined number No of the comparison results is equal to or less than an integer Nb; and increasing the phase angle θ depending on largeness of the number N when the number N is more than the integer Nb. | 11-12-2009 |
20090261496 | DIE CLAMPING UNIT AND DIE CLAMPING METHOD - Used in a method of this invention is a die clamping unit, which comprises a tie bar movably attached to a stationary platen, a halfnut positioning servomotor which advances and retreats to the tie bar, a halfnut which is provided on a movable platen and fixes the movable platen and the tie bar together by engaging the tie bar, an engaging mechanism which engages the halfnut with the tie bar, a hydraulic die clamping cylinder which presses the stationary platen and the movable platen, and a control device which controls the halfnut positioning servomotor and the hydraulic cylinder. The control device drives the halfnut positioning servomotor to remove a clearance between the halfnut and an engaging groove of the tie bar before a die clamping process carried out by the hydraulic cylinder. | 10-22-2009 |
20090252866 | METHOD OF PRODUCING GLASS FORMING MOLD - A steel base material is hardened to produce the base material having a martensite structure, a surface coating layer made of an amorphous Ni—P alloy is formed on the surface of the base material, and the base material is heat-treated to transform the structure of the base material into a troostite structure or a sorbite structure and also to transform the structure of the surface coating layer into an eutectic structure of Ni and Ni | 10-08-2009 |
20090138106 | CONTROL DEVICE, MACHINE TOOL, AND DISPLAYING METHOD - A numerical control device includes a display, a memory, and a CPU (central processing unit). The display displays an image based on image information stored in a video memory. The memory stores internal information used when a failure occurs in the numerical control device. The CPU includes a code creator and a display controller. The code creator creates a matrix two-dimensional code of the internal information stored in the memory. The display controller synthesizes image information stored in the video memory with a matrix two-dimensional code created in the code creator to display the matrix two-dimensional code on the display. | 05-28-2009 |
20090133461 | MACHINING METHOD, PROGRAM, MACHINING-PROGRAM GENERATING PROGRAM AND MACHINING APPARATUS OF PRESS DIE - A machining method of a press die having a pierce cutter and a secondary relief-clearance area recessed inward relative to a profile of the pierce cutter is provided. A plunge cutting tool having a tool body and at least one edge portion provided on an outer circumference of an end of the tool body is used, the edge portion being protruding from the outer circumference of the tool body and being capable of carving while rotating around an axis of the tool body and moving in an axial direction of the tool body. While rotating the plunge cutting tool with an axis of the tool body being approximately parallel to a surface of the pierce cutter, the plunge cutting tool is relatively moved along the profile of the pierce cutter. The plunge cutting tool is also relatively moved in the axial direction of the tool body along the shape of the pierce cutter and the secondary relief-clearance area in a piercing direction each time the plunge cutting tool is relatively moved by a predetermined pitch. | 05-28-2009 |
20090115107 | MINUTE SHAPE MOLDING METHOD AND APPARATUS THEREOF - A method of molding a minute shape, in which at least one of a pair of dies is provided with an uneven section of a minute shape on a molding surface thereof, clamping of the pair of dies is stopped immediately before the dies are completely clamped, a resin is injected into a cavity, and thereafter the dies are completely clamped to thereby transcribe the shape of the uneven section onto the resin includes preparing a plurality of transcription dies each provided with the uneven section on a molding surface thereof, heating one of the transcription dies which is not used to mold a product by a heating unit, and exchanging the transcription dies with each other, at a point in time at which molding is completed, to thereby mold the product continuously. | 05-07-2009 |
20090019979 | MICROSCOPIC GEOMETRY CUTTING DEVICE AND MICROSCOPIC GEOMETRY CUTTING METHOD - A microscopic geometry cutting device includes: a controller that outputs a timer count start command in starting a driving program which controls a drive of an X-axis or a Y-axis moving mechanism; an arrival time calculator that calculates an arrival time from when the timer count start command is output till when the cutter arrives at a machining start position in accordance with relative moving speed information of the moving mechanisms and machining start position information of a workpiece W; an elapsed time determiner that determines whether an elapsed time from when the timer count start command is output is coincident with the arrival time and outputs a trigger signal when the elapsed time is coincident with the arrival time; and a reciprocating stage driver that drives the reciprocating stage in a manner that the cutter advances and retracts in a predetermined cutting depth in response to the trigger signal. | 01-22-2009 |
20080280100 | MICROLENS TRANSCRIPTION MOLDING ROLLER, MANUFACTURING METHOD THEREOF, MANUFACTURING APPARATUS THEREOF, AND MICROLENS OPTICAL SHEET - A microlens transcription molding roller used for transcription-molding a plurality of microlenses on a sheet includes a plurality of microlens molding surfaces arrayed on an outer circumference of the roller along one spiral around an axis of the roller at a constant interval. | 11-13-2008 |
20080279975 | METHOD AND APPARATUS FOR GENERATING AN INJECTION SPEED PATTERN - Shape information of a molded article is used to determine cross sectional information. Injection speed pattern data is generated based on parameter information such as the cross sectional area of a barrel cylinder, the filling time interval, the injection stroke, etc., and the generated cross sectional information. The injection speed pattern data is used to control the injection speed of the injection screw. | 11-13-2008 |
20080271949 | LUBRICATION-CONDITION DETECTOR, LUBRICANT FEEDER, INJECTION MOLDING MACHINE AND METHOD OF DETECTING LUBRICATION-CONDITION - A lubrication-condition detector detects a lubricant shortage of a target portion that repeats a predetermined operation at a predetermined cycle. The lubrication-condition detector includes: a physical-quantity measuring unit for continuously measuring a physical quantity related to the target portion; and a computer for determining a presence of a lubricant shortage based on the physical quantity. The computer includes: a cycle extractor for extracting a cycle datum per an operational cycle from continuous data including the physical quantity and its measuring time; a representative-value calculator for calculating a representative value for each of plural cycle data; and determining unit for determining a presence of a lubricant shortage based on the plural representative values. | 11-06-2008 |
20080206382 | MOLDING MACHINE, CLAMPING SYSTEM, BURR DETECTION METHOD, AND ABNORMALITY DETECTION METHOD - A molding machine able to detect a burr or other abnormality by detecting the position of tie bars. A control device detects an occurrence of burrs according to whether or not displacement amounts of pistons associated with the tie bars, using position sensors which detect the position of the pistons. The position sensors detect position from the start of injection to the completion of the injection to determine whether detected values are within a permissible range. | 08-28-2008 |