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AMADA COMPANY, LIMITED

AMADA COMPANY, LIMITED Patent applications
Patent application numberTitlePublished
20120109352NESTING DATA GENERATION DEVICE AND NESTING DATA GENERATION METHOD - A nesting data generation device generates nesting data for cutting off a part from a work supported by plural support projections. The nesting data generation device includes a nesting data generating unit that generates the nesting data by arranging a geometry of the part on the work. The nesting data generating unit performs, upon arranging the geometry of the part on the work, an avoidance process for avoiding an impediment due to the support projections. According to the nesting data generation device, the part can be prevented from welding on the support projections and the support projections can be prevented from welding upon arranging the geometry on the work by considering positions of the support projections, so that a drop-off and an inclination of the cut part can be prevented.05-03-2012
20120085140BURR REMOVING METHOD AND DEVICE - A burr removing method includes: pressing, by using a work pressing device (04-12-2012
20120055313BAND SAW BLADE - A band saw blade includes left and right set teeth which are set in right and left directions with respect to a running direction of the band saw blade, and a straight tooth which is not set. A ridge line at a tip of each of the set teeth and the straight tooth is formed into a convex curved line protruding most at a central portion in a thickness direction of the saw tooth. The ridge lines at the tips of the left and right set teeth and of the straight tooth are continuous with one another when viewed from the running direction of the band saw blade. A height difference between the ridge lines of the saw teeth is in a range of 0.02 mm to 0.1 mm. Meanwhile, a height difference between an inner corner portion of each of the left and right set teeth and the central portion in the thickness direction of the ridge line of the straight tooth is in a range of 0 mm to 0.03 mm.03-08-2012
20120031245PUNCH TOOL DEVICE AND METHOD OF SUPPLYING LUBRICATING OIL - A punch tool device vertically movably mounted in a punch mounting hole (02-09-2012
20120017734SLUG FLOAT-UP PREVENTING MECHANISM - A scrap floating prevention mechanism comprises: a die holder formed with a first communication pipe which sends compressed fluid; a mounting table formed with a second communication pipe which comes into communication with the first communication pipe and which sends compressed fluid to the first communication pipe, the die holder being placed on and fixed to the mounting table; and a fluid injecting member which is formed with a plurality of inclined injecting pipes for injecting compressed fluid from the first communication pipe and which is provided below the die.01-26-2012
20110203439PUNCHING DIE - A punch tool is provided. The punch tool may include a punch guide, a punch body movably provided in a vertical direction in the punch guide, a body cap surrounding an upper end of the punch body, wherein the upper end of the punch body is screw-fitted to a screw-fitting part inside of the body cap, and a punch chip detachably provided in the punch body, wherein the punch body is elongated in a radial direction thereof and the punch chip is elongated in the radial direction of the punch body. The punch tool may also include one positioning locking part provided so as to position the punch chip with respect to the punch body, wherein the positioning locking part is located at a position away from a center position of the punch chip.08-25-2011
20110197730METHOD OF CUTTING OFF WORKPIECE USING BAND SAW MACHINE AS WELL AS BAND SAW MACHINE - A method of cutting off a workpiece using a band saw blade. Chatter oscillation of the band saw blade is detected, the detected chatter oscillation is input to a pulse generator, and pulses based on the inputted chatter oscillation with a frequency not less than a characteristic frequency of a band saw blade supporting system are input from the pulse generator to the motor for imparting to one of the driving wheel and the driven wheel a forced longitudinal oscillation so that a phase of an oscillation the driving wheel along a rotational direction for the driving wheel is substantially inverted with respect to a phase of an oscillation of the driven wheel along a rotational direction of the driven wheel.08-18-2011
20110154970SAW BLADE AND MANUFACTURING METHOD THEREOF - Provided is a saw blade including saw teeth, each of the saw teeth satisfying 17°≦θ≦40°, 35°≦β≦58°, 15°<α, where θ is a rake angle, β is a tooth angle, and α is a clearance angle; a sum of the rake angle θ, the tooth angle β, and the clearance angle α being 90′; a radius r of an arc-shaped chip curler portion 06-30-2011
20110132168BAND SAW BLADE - A band saw blade includes multiple saw teeth having a straight tooth and right and left set teeth, and also includes a gullet portion provided between the saw teeth. A rake surface of each of the saw teeth is provided with a chip curler portion formed into an arc shape at an entire range of approximately 90° to form a chip generated at the time of cutting a work into a small rolled shape before the chip comes into contact with a bottom portion of the gullet portion. A chip non-contact surface to be kept out of contact with the chip is formed to have either a flat surface or a convex surface between the chip curler portion and the bottom portion of the gullet portion, and a dent portion is formed between the chip non-contact surface and the gullet bottom portion, the dent portion recessed from the chip non-contact surface in an opposite direction to a moving direction of the band saw blade in order to increase a radius of a concave curved surface constituting a back side of the gullet bottom portion. A flat portion for dispersing stress concentration is provided at an innermost portion of the gullet portion.06-09-2011
20110116881TAPPING MACHINE AND TAP DIE, AND METHOD OF DETECTING OVERSTROKE OF TAP - An adapter (05-19-2011
20110032254SHEET METAL MODEL CREATION DEVICE AND SHEET METAL MODEL CREATION METHOD - A sheet metal model creation device (02-10-2011
20100199819SLUG FLOAT-UP PREVENTING METHOD AND PUNCH TOOL - Provided are a slug float-up preventing method and a punch tool in performing a punching process on a plate-shaped workpiece (W) by cooperation between a punch tool (08-12-2010
20100175531WORKPIECE CUTTING METHOD AND BAND-SAW MACHINE - A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus.07-15-2010
20100175530WORKPIECE CUTTING METHOD AND BAND SAW MACHINE - A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus.07-15-2010
20100162866STRIPPER PLATE MOUNTING APPARATUS - A stripper plate mounting apparatus is for mounting a stripper plate (07-01-2010
20100071527BAND SAW MACHINE, AND SAW BLADE INSTALLATION METHOD IN BAND SAW MACHINE, SAW BLADE DRIVING METHOD, AND CUTTING METHOD - A band saw machine which has an endless band saw blade hung around a driving wheel and a driven wheel rotatably supported by a saw blade housing that is capable of moving vertically. The band saw machine also includes a pair of guide posts for vertically guiding the saw blade housing between the driving wheel and the driven wheel, wherein an upper traveling part of the band saw blade is disposed at one side of the front and rear sides of the guide posts, and a lower traveling part of the band saw blade is disposed at the other side of the front and rear sides of the guide posts.03-25-2010
20090308130METHOD AND APPARATUS FOR UTILIZING BENDING MACHINE DIE LAYOUT - A method for utilizing a bending machine die layout, the method including the steps of: designating a bending machine die layout; extracting a region, in the designated die layout, where a punch and a die face each other, as a virtual die stage; and assigning the extracted virtual die stage to each bend line using a sheet metal shape model of a working part.12-17-2009
20090293576BENDING METHOD, AND DIE AND BENDING MACHINE USED FOR THE BENDING METHOD - A bending machine having: a punch and a die for bending a sheet-shaped work; pressurizing means which pressurizes the work in a space between the punch and the die by vertically moving a ram; inputting means (12-03-2009
20090173197SAWING MACHINE, CUTTING-OFF METHOD, AND METHOD OF REDUCING NOISE - A band saw machine includes a driving wheel and a driven wheel around which an endless band saw blade is wound. At least one of the driving wheel and the driven wheel is directly connected to an output shaft of a control motor. The output shaft of the control motor is arranged in a cylindrical bearing unit installed on a motor base supporting the control motor. The driving wheel is rotatably supported by the bearing unit.07-09-2009
20090120261DIE AND DIE DEVICE - A die body includes a die hole for punching a work. A core, including a discharge hole, which is in communication with the die hole, is provided in the die body. The core is provided with a plurality of fluid injection ports through which fluid is injected downward of the discharge hole. The die body is provided with inflow ports through which compressed fluid flows into the fluid injection ports. The core is made of resin. The discharge hole is tapered toward its upper side. An outer peripheral surface of the die body is provided with a peripheral groove which is in communication with the inflow ports.05-14-2009
20090120156WORK BENDING ANGLE DETECTING DEVICE AND WORK BENDING MACHINE - A bending angle detecting device for a workpiece used in a bending machine that bends the workpiece in cooperation of upper and lower tools. The bending angle detecting device has a detector which includes a casing and which can detect a bending angle of the workpiece with the casing fixed in contact with a contact portion of the lower tool.05-14-2009
20090069907PUNCHING TOOL PROVIDED WITH A TOOL IDENTIFICATION MEDIUM AND PUNCH PRESS PROVIDED WITH A TOOL IDENTIFICATION MEDIUM READER - A processing program preparing apparatus for a numerically controlled punch press includes a processing intention data generator for generating, on the basis of product shape data, processing intention data for specifying a processing region to be processed to manufacture a product. The processing program preparing apparatus also includes a tool data adding section for adding, to the processing intention data, data for specifying a punch and a die to be used to process the processing region.03-12-2009
20090064839SERVO DRIVE SYSTEM AND CONTINUOUS WORKING SYSTEM OF PRESS MACHINE - A servo drive system of a press machine includes a ram, an operation shaft which vertically moves the ram, and a servo motor which operates as a power source of the ram and which generates ram pressure using a torque based on at least one speed-torque characteristic of the servo motor. The operation shaft is directly driven using the servo motor. The at least one speed-torque characteristic of the servo motor is set in a manner such that a motor torque of the servo motor at which a capacity of electric energy supplied by a servo amplifier is determined becomes the motor torque at which an optimal punching pattern of the ram is generated from a light load to a heavy load according to a type of workpiece to be worked by the press machine.03-12-2009
20090064838SERVO DRIVE SYSTEM AND CONTINUOUS WORKING SYSTEM OF PRESS MACHINE - A continuous working system of a press machine includes a ram, an operation shaft which vertically moves the ram, and a servo motor which operates as a power source of the ram and which generates ram pressure using a torque based on at least one speed-torque characteristic of a motor. The operation shaft is directly driven using the servo motor. The operation shaft is continuously reciprocated and turned through an angle range corresponding to a distance between a predetermined lower end position required for press working by the ram and an upper end position such that the ram vertically moves between these positions by the servo motor, thereby subjecting a work to a continuous press working. The upper end position is set to a position slightly below a medium height of the entire vertically possible stroke of the ram. The lower end position is set to a position slightly above a bottom dead center of the entire vertically possible stroke of the ram.03-12-2009
20090025577RAM POSITION DETECTION METHOD, RAM DRIVE METHOD, RAM DRIVE DEVICE, AND PRESS MACHINE HAVING THE RAM DRIVE DEVICE - A ram driving method including the steps of fixing one end of a large-diameter piston rod (01-29-2009
20090013840METHOD OF CUTTING OFF WORKPIECE USING BAND SAW MACHINE AS WELL AS BAND SAW MACHINE - In a cutting-off method, when a workpiece is to be cut off by use of an endless band saw blade suspended between a driving wheel and a driven wheel, the workpiece is cut off by imparting to the driving wheel a forced oscillation so that a phase of an oscillation of the driving wheel along its rotational direction is substantially inverted with respect to a phase of an oscillation of the driven wheel along its rotational direction. In addition, pulses can be applied to a driving motor for rotationally driving the driving wheel in order to cause the driving wheel to oscillate along its rotational direction.01-15-2009
20090007437METHOD OF CUTTING OFF WORKPIECE USING BAND SAW MACHINE AS WELL AS BAND SAW MACHINE - A method of cutting a workpiece using an endless band saw blade and a band saw machine are provided. The method includes suspending the endless band saw blade between a driving wheel and a driven wheel such that the workpiece may be cut by the endless band saw blade, applying at least a first pulse and a second pulse to a first motor rotating the driving wheel and a second motor rotating the driven wheel, respectively, wherein the pulses have phases opposite to each other, and cutting the workpiece. The band saw machine includes an endless band saw blade suspended between a driving wheel having a first motor and a driven wheel having a second motor. The band saw machine further includes a pulse applying module that applies at least a first pulse and a second pulse to the first motor and the second motor, respectively, wherein the pulses have phases opposite to each.01-08-2009
20080276783Punch Tool - A punch tool includes a casing (11-13-2008
20080216675Pressing Machine, Crank Pressing Machine, and Vibration Processing Method in These Machines - A press machine includes: an electric motor (09-11-2008
20080202307UPPER TOOL DEVICE AND PUNCH THEREFOR - An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an adjustment screw member provided above the punch guide, the adjustment screw member screwed with a screw formed on the punch body; a stripper unit including an urging unit urging the punch body in an upward direction; and a retainer collar including a stopper piece having a tip end disengageably engaged with a stopper formed on the punch body. In the device, the stripper unit is detachably provided in the upper tool device, and the retainer collar is provided between the punch guide and the stripper unit in a manner such that the retainer collar can be relatively rotated against the stripper unit.08-28-2008
20080202306Workpiece Cutting Method and Band-Saw Machine - A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade (08-28-2008

Patent applications by AMADA COMPANY, LIMITED