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camshaft grinding patent

EP0342528A2 Method of grinding the cams of a

The method serves to grind the cams of a camshaft (12) by means of a numerically controlled camshaft-grinding machine (10). The camshaft (12) is arranged in a work-holding fixture (11) in such a way that it can be rotated at predetermined angular velocity ( omega ) in predetermined angular steps about its longitudinal axis. A grinding carriage (17) with a grinding wheel (18)

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US4621463A Method of grinding cams on a camshaft

A method of successively grinding a plurality of cams on a camshaft by performing a grinding cycle for each of the cams after each cam is brought into alignment with a grinding wheel through indexing movement in the axial direction thereof. The grinding cycle is performed with said camshaft being rotated and rocked respectively about its axis and a pivot axis parallel thereto

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US4885874A Method of grinding two or more cams of a

A method serves for grinding two or more cams of a camshaft. Initially the camshaft is chucked in a mounting position between a driver of a work headstock seated to rotate about a first axis (C axis), and a footstock. Then the camshaft is rotated in a defined rotary angle/time relationship. A rotating grinding wheel is advanced in the direction of a second axis (X axis) extending

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Process for grinding cams of a camshaft Fortuna-Werke

The invention relates to a process for grinding of cams of a camshaft by means of a numerically-controlled camshaft grinding machine, whereby the camshaft is arranged in a workpiece mounting rotatably at preset angular velocity in predetermined angle steps about its longitudinal axis, and whereby a grinding wheel slide with a grinding wheel is infeedable in an axis vertical to the

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Camshaft belt grinder General Motors Corporation

A camshaft belt grinder as in claim 9 wherein said plurality of grinding belts is less than the number required to simultaneously grind all the cams on a camshaft workpiece and portions of said belt driving and tensioning and said contouring means are movable longitudinally of the camshaft to sequentially grind selected groups of the cams.

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US5392566A Process and device for numerically

An apparatus and a method are disclosed for numerically controlled grinding of cams of a camshaft. The cams have a convex circular base section and a convex circular tip section with concave transitional sections interconnecting same. The concave transitional sections have a minimum radius of curvature. The cam is first ground with a first grinding wheel of a radius

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DUAL-CYCLE CAM GRINDING MACHINE WITH

As can be seen in the Hill patent, the camshaft blank -- master cam assembly is mounted on a rocker bar which pivots the assembly to and from the grinding wheel and includes a pivoted position wholly away from the grinding wheel to allow longitudinal displacement from one cam to the next without interference by the grinding wheel or master cam

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Copier for grinding cam shaft repair

It is also known copier for grinding Cam shaft camshaft fuel pump type LP-21 repair by a COP who reference modules [2] In the composition of the working module device includes: a device for installation and repair of the workpiece (the Cam shaft, prepared for processing) in the form of a fixed bearing sliding and removable support center within

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Plunge-grinder, especially for grinding the cams of engine

I claim: 1. A plunge-type grinding machine for grinding cams of a camshaft comprising a baseplate having a front end and a rear end, a table with means for rotatably supporting a camshaft, means adjustably securing said table on said baseplate to facilitate movement of said table in a direction perpendicular to the axis of a camshaft to be rotatably supported thereon, a stationary cross

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Dual-cycle cam grinding machine with electrical pulse

Camshaft grinding machines have been used by the automobile industry and related industries for almost half a century. These machines have it in common that a camshaft blank is mounted in line with a master cam assembly and a grinding wheel is fed into the camshaft blank to grind various cam positions thereon to the desired cam configurations.

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Camshaft belt grinder General Motors Corporation

A camshaft belt grinder as in claim 9 wherein said plurality of grinding belts is less than the number required to simultaneously grind all the cams on a camshaft workpiece and portions of said belt driving and tensioning and said contouring means are movable longitudinally of the camshaft to sequentially grind selected groups of the cams.

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Cam Patents and Patent Applications (Class 451/62

2016-11-14  Abstract: A cam grinding method includes: a common base circle portion setting step of obtaining an angular range of a common surface based on first cam lift data of a first cam and second cam lift data of a second cam; a first cam grinding step of grinding the first cam; a second cam grinding step of grinding the second cam; and a common base circle portion traverse grinding step of, after

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Copier for grinding cam shaft repair

It is also known copier for grinding Cam shaft camshaft fuel pump type LP-21 repair by a COP who reference modules [2] In the composition of the working module device includes: a device for installation and repair of the workpiece (the Cam shaft, prepared for processing) in the form of a fixed bearing sliding and removable support center within

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United States Patent US 6,473,964 ~1 Anderson et al.

2012-3-26  accurately grinding cam lobes produced from powder metal predetermined axial position and angular orientation. The material can be complex and expensive. More generally, Cam lobe may be affixed the camshaft tube using any grinding of cam lobes requires the use of expensive grinding technique for permanently affixing One

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Patents Assigned to Ernst Thielenhaus KG Justia Patents

2000-1-24  Filed: October 18, 1991. Date of Patent: October 21, 1997. Assignee: Ernst Thielenhaus KG. Inventor: Ernst Thielenhaus. System for honing camshaft cams. Patent number: 5655952. Abstract: An outer surface of a cam on a camshaft extending along a camshaft axis is honed by continuously rotating the camshaft about its axis while holding a grinding

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US Patent for Method for journal finishing of crankshafts

2017-11-14  Using a grinding process to achieve a desired geometry is known in the art and thus the detailed description thereof is omitted herein for clarity. After the grinding of the main bearing journals 20 and/or the pin journals 22 of the crankshaft 12 to achieve a desired geometry is completed, the first spindle 30 is moved away from the crankshaft 12.

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James D. Phillips Inventions, Patents and Patent

1993-12-2  Filed: October 5, 1990. Date of Patent: September 1, 1992. Assignee: J. D. Phillips Corporation. Inventor: James D. Phillips. Variable camshaft. Patent number: 5129407. Abstract: A camshaft is provided having longitudinally spaced cams for operating the valve lifters of an engine. Each cam has juxtaposed first and second cam lobes for operating

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Research on constant grinding depth model for cam

2014-6-1  In order to mitigate the problems in CNC grinding of a camshaft caused by varying grinding depth along the periphery of the cam, a novel grinding strategy is proposed to keep the grinding depth constant during the process. In comparison with the current cam grinding strategy, analysis results derived from the modelling of the process indicate that it is applicable to keep the grinding depth

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ED ISKENDERIAN RACING CAMS iskycams

2018-6-12  was a great deal of business for the few racing camshaft manufacturers on the west coast. Their production schedules were taxed, which resulted in slow delivery. During the five month waiting period for his special camshaft, Ed decided to enter the cam grinding business. He bought a used conventional cylindrical grinder.

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Fortuna-Werke Maschinenfabrik GmbH, Patent Owner, D

1993-10-12  Expired/Abandoned/Withdrawn Patents. Patent # Title Status Filing Date Issue/Pub Date Intl Class. 5251405 Method for circumferential grinding of radially non-circular workpieces ExpiredJul 24, 91Oct 12, 93[B24B] 5193953 High-speed drilling or milling spindle ExpiredAug 12, 91Mar 16, 93[F16C, B23C] 4934106 Grinding machine ExpiredSep 13, 88Jun

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United States Patent US 6,473,964 ~1 Anderson et al.

2012-3-26  accurately grinding cam lobes produced from powder metal predetermined axial position and angular orientation. The material can be complex and expensive. More generally, Cam lobe may be affixed the camshaft tube using any grinding of cam lobes requires the use of expensive grinding technique for permanently affixing One

get price

Patents Assigned to ThyssenKrupp Presta TecCenter AG

2018-12-12  Accommodating assembly for the grinding of a camshaft and method for grinding the camshaft Patent number: 10898984 Abstract: Receiving arrangements for receiving camshafts and methods for grinding machining camshafts may be used with camshafts that have a shaft body that extends along an axis of rotation and includes functional elements.

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Patents Assigned to Ernst Thielenhaus KG Justia Patents

2000-1-24  Filed: October 18, 1991. Date of Patent: October 21, 1997. Assignee: Ernst Thielenhaus KG. Inventor: Ernst Thielenhaus. System for honing camshaft cams. Patent number: 5655952. Abstract: An outer surface of a cam on a camshaft extending along a camshaft axis is honed by continuously rotating the camshaft about its axis while holding a grinding

get price

James D. Phillips Inventions, Patents and Patent

1993-12-2  Filed: October 5, 1990. Date of Patent: September 1, 1992. Assignee: J. D. Phillips Corporation. Inventor: James D. Phillips. Variable camshaft. Patent number: 5129407. Abstract: A camshaft is provided having longitudinally spaced cams for operating the valve lifters of an engine. Each cam has juxtaposed first and second cam lobes for operating

get price

Patented Magnetic Filtration Systems Eclipse Magnetics

Camshaft Grinder. Schaudt Mikrosa GmbH is a leading OEM of precision grinding machines for the automotive industry supplying some of the leading names in vehicle component manufacture. Case Study . Fuel Tank Wash System. Filtramag greatly reduces product reject rates on fuel tank wash system.

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YHMCNC8336-16 High-speed Numerical Control Camshaft

2.Adopts the high-speed spindle bearing(patent No:ZL 2009 2 0063655.8),with static ant dynamic pressure of balancing, and the CBN grinding wheel to achieve the high-speed grinding for camshaft at80-

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Implement proven, state-of-the-art grinding techniques

Implement proven, state-of-the-art grinding techniques. Grinding Institute. The goal of the IGI is twofold: 1) perform state-of-the-art research in grinding; 2) take ready-to-use research and apply it to real-world production. Applied research and advanced development are carried-out to address a real, tangible need of your company, as

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ED ISKENDERIAN RACING CAMS iskycams

2018-6-12  was a great deal of business for the few racing camshaft manufacturers on the west coast. Their production schedules were taxed, which resulted in slow delivery. During the five month waiting period for his special camshaft, Ed decided to enter the cam grinding business. He bought a used conventional cylindrical grinder.

get price

Camshafts Cam Reseach Custom Ford Camshafts

Cam and lifter kits are priced from $225 to $725. Don’t forget to ask about pre-installation break-in of your flat tappet. As inventors and patent holders of the CamKing, this service is offered exclusively by Cam Research. CALL RIGHT NOW FOR AN EXPERT CONSULTATION 303-762-0022.

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Fortuna-Werke Maschinenfabrik GmbH, Patent Owner, D

1993-10-12  Expired/Abandoned/Withdrawn Patents. Patent # Title Status Filing Date Issue/Pub Date Intl Class. 5251405 Method for circumferential grinding of radially non-circular workpieces ExpiredJul 24, 91Oct 12, 93[B24B] 5193953 High-speed drilling or milling spindle ExpiredAug 12, 91Mar 16, 93[F16C, B23C] 4934106 Grinding machine ExpiredSep 13, 88Jun

get price

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