camshaft grinding patents

US4621463A - Method of grinding cams on a

The grinding cycle is performed with said camshaft being rotated and rocked respectively about its axis and a pivot axis parallel thereto and includes first to fourth steps. The substantial part of...

EP0342528A2 - Method of grinding the cams of a

- Google Patents 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...

EP0334345A2 - Method for grinding cames of a

The invention relates to a method of grinding cams of a rotatably clamped camshaft by means of a numerically controlled grinding machine in which the cam shaft rotatable by a controllable first...

Cam grinding apparatus - NORTON CO

This invention consists broadly in providing a camshaft grinding machine in which the machine may be readily set up for grinding different camshafts. The machine is so arranged that the master camshaft and set of master cams may be readily interchanged.

US3919614A - Dual-cycle cam grinding ... - Google

- Google Patents Improved dual-cycle camshaft grinding machine, method of operation thereof, and improved wheel feed control subassembly therefor with a grinding wheel feed driven by an...

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 follower.

US Patent for Method for journal ... - Justia Patents

2017-11-14  The present disclosure relates to metal working processes, and more particularly to methods for grinding and finishing various surfaces of a crankshaft or a camshaft. BACKGROUND. The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

Research on constant grinding depth model for cam

Katsumi Y, Matsuda S, Inano T, Cam grinding apparatus with means to maintain the grinding speed constant, US Patents 4,102,082, 1978 Automatically controlled cam grinding system, US Patents

System for honing camshaft cams - Ernst Thielenhaus

1994-7-14  The apparatus for honing an outer surface of a cam on a camshaft extending along a camshaft axis has according to the invention means for continuously rotating the camshaft about its axis, a holder adjacent the cam, a grinding stone in the holder having a surface directed radially inward at the cam surface, and a biasing unit for urging the grinding stone radially of the axis against the stone and

Research on constant grinding depth model for cam

2014-6-1  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 constant. Consequently, in combination with a constant grinding infeed speed, the material removal rate (MRR) is also kept stable.

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 ...

Patents Assigned to ThyssenKrupp Presta TecCenter

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. A gearwheel may be mounted on the shaft body, wherein a receiving body is provided, by means of which the camshaft can be at least partially received for purposes of ...

US Patent for Method for journal ... - Justia Patents

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.

Development of Multi-grit cBN Grinding Wheel for ...

One of the first patents on crankpin grinding (published in 1986) attempts to improve the plunge grinding proces [6]. This is the first proposed angle plunge grinding process (Figure 3) . Figure 3: First proposed angle plunge grinding method (Adapted and modified from [6]).

camshaft grinding stone - visueelvertaler

Camshaft Grinding Wheels, Vitrified CBN Grinding Wheels. Vitrified bond CBN grinding wheels are used for grinding the cam lobes and journals of automobile camshaft. Optimum bond specifications have been set for each type of cam material, ... US4945683A Abrasive belt grinding machine Google Patents.

ATLANTIC :: R D

The range of activities conducted by our development department is diverse. We work with customers and manufacturers of grinding, honing and superfinishing machines to develop innovative grinding concepts, whose introduction to the market is often accompanied by applications for patents

MAHLE Aftermarket North America Installation Tips

Bearing ID's may be reamed, but the most practical means is to adjust camshaft journal diameters by grinding. Even if not ground to provide additional clearance, camshaft bearing journals should be polished to a surface finish of 10 micro-inches Ra or better with the camshaft rotating in the same direction it will rotate in the engine.

CVD CMP Pad Conditioner - EHWA DIAMOND

Semiconductor - Front End Application CVD CMP Pad Conditioner Various patterns can be arranged CVD diamond coated tips Apex of the CVD diamond coated tip is flat face Allows to engineer the critical pressure applied to each tip for pad conditioning EHWA has a patents on the tip

C8AX-6250-D Reissue Camshafts - 332-428 Ford FE

2020-2-6  Pricing for the cams looks like $190 each plus whatever actual shipping will be for your location. Comp said they will start grinding the cams within 7-10 days. The first run will be 20 cams, and successive runs will be based off demand. Cams will be marked with the C8AX-6250-D part number. Right now it looks like I have about 10-12 cams sold ...

MAHLE Aftermarket North America Installation Tips

Contact: MAHLE Aftermarket Inc. 23030 MAHLE Drive Farmington Hills, MI 48335. Phone 248-347-9700. Contact Us

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 ...

Development of Multi-grit cBN Grinding Wheel for ...

One of the first patents on crankpin grinding (published in 1986) attempts to improve the plunge grinding proces [6]. This is the first proposed angle plunge grinding process (Figure 3) . Figure 3: First proposed angle plunge grinding method (Adapted and modified from [6]).

camshaft grinding stone - visueelvertaler

Camshaft Grinding Wheels, Vitrified CBN Grinding Wheels. Vitrified bond CBN grinding wheels are used for grinding the cam lobes and journals of automobile camshaft. Optimum bond specifications have been set for each type of cam material, ... US4945683A Abrasive belt grinding machine Google Patents.

External cylindrical grinding and polishinhg machines

2020-1-1  Economical and precise camshaft grinding. The Lean Selection cam is an economical and flexible machine concept for grinding camshafts in any lot size. The wheelhead can be fitted with up to two high-capacity grinding spindles, and the swiveling B-axis allows parts to be rough and finish-ground in a single clamping set-up.

Elimination of straightening operation in induction ...

2019-6-7  treatment of the camshafts is followed by straightening and grinding/polishing stages. During those stages, the roughness of camshaft working surfaces is minimised and dimensional accuracy of an entire camshaft is ensured. Figure 1 Examples of diversity of geometries of automotive camshafts required to be induction surface hardened.

History - prctools

2012-9-21  4: On May 27, 2015, six patents such as “Abrasive Ceramics” were awarded a patent certificate; 5: The sales performance reached 3 million on December 31, 2016, marking the company entering a new stage; 6: On June 9, 2017, diamond cutting disc products were exported to Germany, marking the company's business began to expand overseas;

China Grinding Mill Manufacturers

What Do We Do? GMC has formed a production system integrating R D, production and sales of high-pressure mills and after-sales service. The high-pressure mill equipment produced by Shibang Industrial mainly includes the MTW European version of the trapezoidal mill, the SCM ultra-fine powder mill, the Raymond mill, the MTM medium speed trapezoid mill, the LM series vertical mill, and the T130X.

Flathead Parts Archives - The Flat-Spot

What we offer is custom camshaft grinding using original, performance or racing profiles for your vintage/obsolete, foreign, or domestic applications.We also have many years of experience with motorcycle, atv, marine and light industrial camshafts. If private label custom camshaft grinding is desired we offer that service as well.

C8AX-6250-D Reissue Camshafts - 332-428 Ford FE

2020-2-6  Pricing for the cams looks like $190 each plus whatever actual shipping will be for your location. Comp said they will start grinding the cams within 7-10 days. The first run will be 20 cams, and successive runs will be based off demand. Cams will be marked with the C8AX-6250-D part number. Right now it looks like I have about 10-12 cams sold ...

Replacement Parts for CATERPILLAR - Interstate McBee

2019-7-31  M-1878969 7 Camshaft Bushing MCBC13CB 1 Camshaft Bushing Kit M-1878969 7 Camshaft Bushing M-1152972 6 6 Connecting Rod Bushing M-9M2418 1 1 Rear Idler Bushing C12/C13 PARTS LISTING. 7 All manufacturer’s names, symbols and descriptions are used for reference only and it is not implied that any part is the product of these manufacturers.

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