Class / Patent application number | Description | Number of patent applications / Date published |
700164000 | Grinding | 20 |
20090112355 | Device and Method for Dressing Cutting Tools - Disclosed are a computer numerically controlled machine and methods for forming, grinding, or dressing cutting tools in a computer numerically controlled machine. In some embodiments, the computer numerically controlled machine is provided with a cutting tool and an abrasive surface. The abrasive surface is brought into contact with the cutting tool to abrade material from the cutting tool in a grinding or dressing operation. In certain embodiments, it is not necessary to remove the cutting tool from the computer numerically controlled machine for dressing. In some non-mutually-exclusive embodiments, the machine is provided with tool blanks, from which cutting tools are prepared using an abrasive surface in the machine. | 04-30-2009 |
20090125142 | NUMERICALLY CONTROLLED GRINDING MACHINE AND PROCESS FOR CONTROLLING SAME - The invention relates to a grinding machine in which the axis control command for the axis drive unit allocated to the axis is not calculated offline, and therefore beforehand outside of the grinding machine, as is common with the present state of technology, but rather online, in other words, in real time. A transformation model is provided to make this possible. Vectors with five components in the tool coordination system (WKS) can be converted into motion control commands (arrows | 05-14-2009 |
20090157217 | Method and device for measuring the geometry of a cutting edge to be chamfered - The machining of drills ( | 06-18-2009 |
20100076588 | POLISHING APPARATUS AND POLISHING METHOD - A polishing apparatus is provided for polishing wafers at a high yield rate even if roll-off exists. The polishing apparatus polishes a wafer W by applying a pressure between a polishing member (polishing pad) | 03-25-2010 |
20100087947 | ELECTRIC CONTROL DEVICE IN AN ENGRAVING MARCHINE WITH A USB INTERFACE - An electric control device in an engraving machine with a USB interface is provided, in which the engraving machine is provided with a platform. A cutting tool positioning mechanism is on the platform. A cutting tool is arranged in the cutting tool positioning mechanism and provided with a motor driving the cutting tool to revolve to engrave. An electric control device is further provided in the platform of engraving machine. The electric control device is powered and driven by a power supply unit and comprises a USB data access unit with a USB port, a control unit connected to the data access unit to drive the cutting tool positioning mechanism, a display unit driven by the control unit to show various messages, and a setting unit connected to the control unit and allowing settings and command input. Programming data portability and storage capability increases for achievement of convenience in use. | 04-08-2010 |
20100161106 | Method and apparatus for rifling a firearm barrel - A computer numerically controlled apparatus is provided for rifling a gun barrel. The apparatus automates the known method of rifling a gun barrel. The apparatus includes a frame, a rod, a cutting tool, a rod holder, and a system of servos to move the rod holder and to rotate the rod. The apparatus includes a CPU runs a program which controls the servos based on operating parameters entered by the operator. The operating parameters are entered through a graphical user interface which also allows the operator to monitor the status of the rifling process. The operator can calibrate the system and enter the twist rate, number of grooves, cut degree, cutting speed, return speed, and number of passes to complete. The apparatus includes a puck which engages the end of the rod and is adapted to index the rod and change the cutting depth of the cutting tool. | 06-24-2010 |
20110015776 | Control system for a mill and method for operating a mill - The invention related to a control system for a mill, particularly a roller grinding mill, comprising a mill control device ( | 01-20-2011 |
20110288675 | MACHINE AND METHOD FOR GRINDING SPACER GRID OF NUCLEAR FUEL ASSEMBLY - A machine and a method for grinding a spacer grid of a nuclear fuel assembly. The machine includes a spacer grid holding unit, a first rectangular coordinates robot for grinding an outer surface of the spacer grid, a second rectangular coordinates robot for grinding a corner of the spacer grid, and a control unit. The spacer grid holding unit includes a holding jig onto which the spacer grid is seated and held, and a rotary index table which is coupled to the holding jig to rotate the holding jig. The first and second rectangular coordinates robots are provided at predetermined positions adjacent to the spacer grid holding unit. The control unit controls the spacer grid holding unit, the first and second rectangular coordinates robots and all programs required to conduct the operation for grinding the spacer grid. | 11-24-2011 |
20120022681 | METHOD AND APPARATUS FOR GRINDING A CONTINUOUSLY CASTING PRODUCT - The invention relates to a method for grinding a continuous casting product ( | 01-26-2012 |
20120072008 | METHODS AND APPARATUS FOR GENERATING CONTROL DATA FOR THE FORMATION OF A TOOTH FLANK BY MILLING A WORKPIECE ON A MACHINE TOOL - A disclosed example method for generating control data for the formation of a tooth flank by milling a workpiece on a numerically controlled machine tool with at least 5 axes, at a universal machine tool, through successive passes with a milling cutter on the machine tool based on generated control data involves defining a geometry of a tooth flank, determining a contact pattern area on the predefined tooth flank geometry, determining parameters to vary the predefined tooth flank geometry, and generating control data on the basis of tooth flank geometry modified based on the defined contact pattern area and of the defined parameters. | 03-22-2012 |
20120072009 | METHODS AND APPARATUS FOR GENERATING CONTROL DATA FOR FORMING A TOOTH OF A SPUR GEAR TOOTHING BY MILLING A WORKPIECE AT A MACHINE TOOL - A disclosed example method for generating control data for forming a tooth of a spur gear toothing which has an intended widthwise crowning by milling a workpiece at a numerically controlled machine tool having at least 5 axes, at a universal machine tool, by successively moving a milling cutter of the machine tool along a plurality of machining paths based on the generated control data, involves providing a tooth flank geometry of at least one tooth flank of the tooth of the spur gear toothing. The method also involves determining parameters for specifying a change of the provided tooth flank geometry according to the intended widthwise crowing of the tooth. In addition, the method involves generating control data based on a tooth flank geometry which is changed based on the determined parameters, wherein the changed tooth flank geometry corresponds to a tooth flank geometry of the tooth having the intended widthwise crowing. | 03-22-2012 |
20120179285 | AUTOMATED REPAIR METHOD AND SYSTEM - A method and system for automated repair of a machine component is provided. According to the proposed method, a first geometry of the component, including a damaged portion of the component, is digitalized. A trough is then machined over the damaged portion of the component. The machining is numerically controlled using digitalized geometrical data of the first geometry of the component. A second geometry of the component is then digitalized subsequent to the machining, the second geometry including the trough. Subsequently, a material is deposited over the trough. The deposition of the material is numerically controlled digitalized geometrical data of the second geometry of the component. | 07-12-2012 |
20120259451 | ROLLER MILL AND METHOD FOR DRIVING A ROLLER MILL - The roller mill according to the invention substantially comprises a grinding table, at least one grinding roller which is in rolling engagement with the grinding table, a main drive system for driving the grinding roller and/or the grinding table and an auxiliary drive for driving the grinding table. The auxiliary drive comprises at least two linear drives for rotating the grinding table and a control device for individually controlling the linear drives in order to provide an uninterrupted rotational movement. | 10-11-2012 |
20130030562 | NON-CONCENTRIC MILLING - Technology for milling selected portions of a workpiece by a cutting tool of a numerical control machine is described. The described technology provides methods and apparatuses for milling areas of a part so that more aggressive machining parameters can be used in the toolpath, thereby resulting in reduced machining time and load. The technology creates a series of toolpath contours where arcs in the toolpath contours are non-concentric with arcs in other toolpath contours. The selected portions of the workpiece are milled by moving the cutting tool in accordance with the toolpath. | 01-31-2013 |
20140222188 | ENDPOINT CONTROL OF MULTIPLE SUBSTRATES OF VARYING THICKNESS ON THE SAME PLATEN IN CHEMICAL MECHANICAL POLISHING - A difference between a first expected required polish time for a first substrate and a second expected required polish time for a second substrate is determined using a first pre-polish thickness and a second pre-polish thickness measured at an in-line metrology station. A duration of an initial period is determined based on the difference between the first expected required polish time and the second expected required polish time. For the initial period at a beginning of a polishing operation, no pressure is applied to whichever of the first substrate and the second substrate has a lesser expected required polish time while simultaneously pressure is applied to whichever of the first substrate and the second substrate has a greater expected required polish time. After the initial period, pressure is applied to both the first substrate and the second substrate. | 08-07-2014 |
20150148937 | ARRANGEMENT WITH A HAND-GUIDED MACHINE TOOL AND A GRINDER - An arrangement includes a grinding wheel and a hand-held power tool. The hand-held power tool comprises a housing, a drive shaft, a drive unit configured to drive the drive shaft, a first handle and a second handle which are each fixed on the housing, a sensor, and an evaluation and control device. The sensor is configured to record at least one property information of the grinding wheel so as to determine a diameter of the grinding wheel. The evaluation and control device is configured to generate a setpoint value for a rotational speed based on the at least one property information of the grinding wheel recorded. | 05-28-2015 |
20150343598 | METHOD AND DEVICE FOR GRINDING METAL ANNULAR MEMBER - Provided is a grinding method capable of preventing variation in the outer diameter of a processed object | 12-03-2015 |
20160096251 | Selection of Polishing Parameters to Generate Removal or Pressure Profile - Values are selected for a plurality of controllable parameters of a chemical mechanical polishing system that includes a carrier head with a plurality of zones to apply independently controllable pressures on a substrate. Data is stored relating variation in removal profile on a front surface of the substrate to variation in the controllable parameters, the data including removal at a plurality of positions on the front surface of the substrate, there being a greater number of positions than chambers. A value is determined for each parameter of the plurality of controllable parameters to minimize a difference between a target removal profile and an expected removal profile calculated from the data relating variation in removal profile on a front surface of the substrate to variation in the parameters. The value for each parameter of the plurality of controllable parameters is stored. | 04-07-2016 |
20160187869 | NON-CONCENTRIC MILLING - Technology for milling selected portions of a workpiece by a cutting tool of a numerical control machine is described. The described technology provides methods and apparatuses for milling areas of a part so that more aggressive machining parameters can be used in the toolpath, thereby resulting in reduced machining time and load. The technology creates a series of toolpath contours where arcs in the toolpath contours are non-concentric with arcs in other toolpath contours. The selected portions of the workpiece are milled by moving the cutting tool in accordance with the toolpath. | 06-30-2016 |
20170232618 | MANIPULATOR COMPRISING A MANIPULATOR ARM | 08-17-2017 |