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7599583 |
Sensors with modular architecture
A modular sensing system architecture. A sensing system includes multiple planes that are in electrical communication. A power plane provides a power source and a communications module that can be...
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7195543 |
Machine tool with 5 machining axes with a continuous grinding tool profilling system
A machine tool for machining a part by on-head and continuous grinding tool profiling includes a part holder support driven into rotation by first driving means around a first axis in a vertical...
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7089081 |
Modeling an abrasive process to achieve controlled material removal
In general, techniques are described that allow an abrasive manufacturing process to achieve a controlled performance parameter, e.g., an amount of material removal, without requiring the use of...
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6546306 |
Method for adjusting incoming film thickness uniformity such that variations across the film after polishing minimized
A method comprising determining a polishing profile produced by a polishing tool and manufacturing a process layer with a surface profile prior to polishing operations based upon the determined...
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6478661 |
Apparatus and method for processing micro-V grooves
A voltage is applied between a cylindrical cutting grindstone 2 that rotates about a vertical axis Y and a cylindrical truing grindstone 6 that rotates about a horizontal axis X. The vertical outer...
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6398622 |
Polishing mechanism for vehicle bumper
A polishing mechanism for treating a vehicle bumper incorporating with a multi-shaft robot is disclosed. A polishing wheel is rotationally attached to an end of the robot. A rotational positioning...
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6217412 |
Method for characterizing polish pad lots to eliminate or reduce tool requalification after changing a polishing pad
The present invention is directed to semiconductor processing operations, and, more particularly, chemical mechanical polishing operations. The present invention is comprised of a method for...
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5643049 |
Floating contact gage for measuring cylindrical workpieces exiting a grinder
A gage for a thrufeed centerless grinder for post process gaging of a work piece in which the gage is mounted for movement so as to track along a moving work piece as it is moved along a path of...
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5620358 |
Method of dressing grindstone for NC grinder
A dressing method comprises the steps of rotating a rotary dresser at a high speed for dressing a surface of the grindstone, previous to contact of the rotary dresser with the surface of the...
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5375377 |
Internal tray for a vibratory mill
A vibratory mill includes a retractable separator basket for removing work parts from the work media after processing of parts has been completed. The basket is concentric with the work chamber...
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5335454 |
Procedure for the numerical control of a workpiece on a grinding machine
A procedure for the numerically controlled processing of a workpiece on a grinding machine having a workholder for the workpiece as well as a wheelhead equipped with a grinding wheel, the wheelhead...
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5183026 |
Method and apparatus for dressing an angular grinding wheel
A grinding machine having an angular type grinding wheel and a dressing apparatus therefor. The grinding wheel is formed with first and second grinding surfaces usable for grinding a cylindrical...
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5105584 |
Lens cutting assembly and method and apparatus for effecting rapid replacement of lens cutting tools
Quick-change methods and apparatus enable the cutting tool of a lens cutting machine to be exchanged with minimal down time of the machine. A replacement cutting tool is gauged in an off-machine...
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5072548 |
Process and apparatus for finish grinding splines or gear teeth
A process and apparatus for finish grinding splines or teeth on workpieces is disclosed which includes a device to check the cross-sectional shape of the grinding portion of the grinding wheel...
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4926604 |
Method for correcting abrasion in a robot having a wearing tool mounted thereon
Burring by way of a grind stone using a robot has been rarely practiced because the correction of abrasion of the grind stone involves a problem. There has been hitherto proposed a method for...
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4899718 |
Apparatus for truing grinding wheel
A truing apparatus for an angle grinding wheel with two grinding surfaces is provided with an AE sensor for detecting the contact of a truing tool with each of the grinding surfaces. The truing...
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4858391 |
Sizing apparatus for an internal grinder
Sizing apparatus for an internal grinder having an oscillation motor for oscillating a grinder wheel contacting the inner peripheral surface of an annular work piece, a sizing device to generate...
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4827751 |
Device for machining rolls in a rolling stand
A device for machining a plurality of rolls (4) which are mounted ready for use in a rolling stand (3) and form a common sizing pass (6) has at least one tool (5) which is disposed outside the...
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4815239 |
Apparatus for production of involute gear tooth flanks
An apparatus is disclosed in which only one working point or machining point on a machining tool, which in general can comprise a grinding wheel or disc, is in machining contact with a workpiece...
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4802311 |
Method of grinding rotary workpieces
The grinding of successive workpieces in a surface grinding machine with automatic transport of workpieces to and from the grinding station is interrupted at preselected intervals to replace the...
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4750298 |
Method and device for controlling the drive of different successively operated grinding disks
A method and a device for controlling a drive of successively operated grinding disks which are made of different compositions. The condition, for example metallic inclusions or the like, in each...
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4751647 |
Method for determining tool size and for machining
The method involves moving a reference or dummy tool of known size on a toolhead slide from a known position to actuate a limit switch, moving a working tool of unknown size on the same toolhead...
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4731954 |
Method and apparatus for initiating an operation for dressing a grinding wheel in conformity with its degree of bluntness
In the method for introducing an operation for dressing a grinding wheel, actual differential value is formed from its infeed distance and the material removed from a workpiece, which value is...
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4676030 |
Apparatus and method for detecting a tool edge
A force transducer and circuit are used to detect the edge of a rotating grinding wheel. The force transducer produces an output signal indicative of a force applied thereto. The output signal is...
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4651472 |
Method of and machine for grinding rotary workpieces
The grinding of successive workpieces in a surface grinding machine with automatic transport of workpieces to and from the grinding station is interrupted at preselected intervals to replace the...
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4571892 |
Method of dressing grinding wheels in grinding machines
In a grinding machine wherein a first carriage for the grinding wheel is movable at right angles to the axis of the grinding wheel toward and away from a second carriage which supports a dressing...
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4571891 |
Apparatus for compensating for dressing tool wear during the dressing of grinding wheels
The dressing tool is mounted on a cross-slide so as to be displaceable in parallel and normally with respect to the working surface or face of the grinding wheel which is to be dressed. After each...
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4559919 |
Grinding wheel profiler
A profiler for moving a dresser into and across a rotating grinding wheel to form or dress a predetermined configuration in the grinding wheel for use in grinding workpieces. The dresser is moved...
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4539779 |
Method of compensating for dressing tool wear during the dressing of grinding wheels
The dressing tool is mounted on a cross-slide so as to be displaceable in parallel and normally with respect to the working surface or face of the grinding wheel which is to be dressed. After each...
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4502458 |
Apparatus for truing a grinding wheel
An apparatus for truing a grinding wheel includes a stylus movable in response to movement of a truer in synchronism therewith, and a template disposed in confronting relation to the stylus with a...
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4502125 |
Numerical controller for an angular slide grinding machine
A numerical controller for an angular slide grinding machine capable of controlling movement of a work table with a dressing tool in a machine coordinate system in a dressing operation and a...
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4498259 |
Numerical controller for a grinding machine
In a computerized numerical controller for a grinding machine, various grinding modes in which a plurality of portions on a cylindrical workpiece are respectively ground and plural sets of...
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4490946 |
Grinding wheel feeder in grinding machines
Wear on the dressing tool is derived from an amount of movement that a grinding wheel is advanced until issuance of a signal from a sizing device for correcting data on the radius of the grinding...
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4461125 |
Control circuit for an apparatus for adjusting and dressing a grinding wheel
A control circuit contains, instead of the otherwise conventional feeler or scanner contact, a displacement pick-up or displacement path transmitter which delivers pulsating signals representative...
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4423570 |
Apparatus for dressing and adjusting a grinding wheel at a tooth flank-grinding machine
An apparatus for dressing and adjusting a dished or plate-shaped grinding wheel at a tooth flank-grinding machine for a gear has an adjustable grinding wheel support at which there is mounted the...
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4420910 |
Control device for a grinding machine
A device for controlling the feeding of a grinding wheel (2, 16) relative to a truing device (8, 19) for the grinding wheel at truing operations in a grinding machine incorporating a measuring...
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4358912 |
Grindstone clearance correcting device for spring grinding machine
A grindstone clearance correcting device for spring grinding machine comprises a drive unit for driving a pair of grindstones for grinding both ends of a coil spring in a direction perpendicular to...
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4295301 |
Dressing apparatus with means for detecting grinding wheel wear
An apparatus senses the extent of actual wear of a grinding wheel at an area where the wear will be the greatest during the grinding of a workpiece. The grinding wheel is dressed by removing...
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4291504 |
Method and apparatus for in-process gaging of tool elements
A method and apparatus for gaging the cross-sectional bore diameter generated by an abrading type finishing tool in an abrading machine. The tool and plug gage are mechanically mounted to the same...
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4233784 |
Lens edging apparatus
An apparatus for edging the periphery of an ophthalmic lens to a predetermined outline or edge configuration, is characterized by a work holder for supporting and rotating a lens while moving an...
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4217734 |
Grinding machine
A grinding machine with two spaced-apart coaxial grinding wheels wherein the workpieces are transported through the space between the neighboring parallel active surfaces of the grinding wheels. A...
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4213277 |
Method for dressing a grinding wheel
A method of intermittently dressing the ring-shaped surface or active rim of an axially adjustable dished grinding wheel of a gear grinding machine and which active rim acts upon a workpiece. The...
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4148159 |
Grinding machine
A grinding machine in which the grinding cycle is controlled by a stepping motor which receives pulses from a linear feed-controlled generator and which is operative to give an adjustable diamond...
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4110938 |
Infeeding method for internal grinders
Infeeding method for internal grinders has rough grinding infeeding and fine grinding infeeding speeds. The changing point from the rough grinding to the fine grinding is shifted earlier in...
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4095377 |
Method to compensate infeed for the error caused by the outer diameter error of a workpiece in a centerless internal grinder
An inprocess size measuring device has at least two feelers which respectively detect inner surface positions of an annular workpiece rotatably supported at the outer periphery thereof by a pair of...
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4058933 |
Internal grinder
A grinding wheel dressing device is mounted, together with a grinding wheel head, on the cut feed carriage, and the grinding wheel head, the grinding wheel dressing device and a direct sizing...
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4053289 |
Grinding method and apparatus with metal removal rate control
Grinding method and apparatus in which metal removal rate of workpieces is controlled to predetermined values at least during fine grinding. The metal removal is measured out by an in-process size...
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4045920 |
Cam-controlled grinding machine
In the cam-controlled "sizematic" type grinding method and apparatus therefor, a novel "in process" "gagematic" type measuring means has been introduced so as to maintain the strong points of the...
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4018010 |
Method and relative apparatus for controlling and regulating the working cycles of a machine tool
A method for controlling and regulating the working cycles of a machine tool on a workpiece, including the steps of measuring the workpiece during the machining and programming the feed speed of...
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4015372 |
Cam-controlled grinding method
In the cam-controlled "sizematic" type grinding method and apparatus therefor, a novel "in process" "gagematic" type measuring means has been introduced so as to maintain the strong points of the...
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