Philip D Arnold

US Patent:

62209469, Apr 24, 2001

Filed:

Jan 29, 1999

Appl. No.:

9/240311

Inventors:

Philip D. Arnold - Clinton Township MI

International Classification:

B24B 2102

US Classification:

451307

Abstract:

A belt polishing machine has a moving endless abrasive coated polishing belt that wraps around and travels over a substantial portion of a circumferential surface of a rotatable workpiece for finishing the surface. A drive pulley drives the polishing belt in a continuous path at a desired surface speed over the circumferential surface of the workpiece while the workpiece is being rotated at a desired rotational speed. Guide pulleys direct the polishing belt around and into engagement with a substantial portion of the circumferential surface and may supply tension to the polishing belt during finishing operations. Separate tensioning pulleys may be provided. A coolant feed applies coolant against the polishing belt for separating and carrying away removed material from the belt and cleaning the abrasive for a subsequent pass. A backup shoe may be provided to selectively apply additional pressure through the belt upon portions of the polished surfaces to improve cylindricity. In-process gaging of the surfaces during the polishing process may also be provided.

US Patent:

49227858, May 8, 1990

Filed:

Jun 24, 1988

Appl. No.:

7/211504

Inventors:

Philip D. Arnold - Bloomfield Hills MI
Roy G. Kaywood - Stockbridge MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

F16H 5300
B23P 1500
B21D 3900
F01L 146

US Classification:

74567

Abstract:

Camshaft assemblies are disclosed with methods for making them by the expansion of tubular shafts into prelocated cams, journals and other elements, if desired. Features of the camshafts include trilobe or polylobe element openings, preferably splined or serrated for low energy filling and high torque capacity and High Strength Low Alloy mild steel tubular shaft material.

US Patent:

48358320, Jun 6, 1989

Filed:

Jun 24, 1988

Appl. No.:

7/211178

Inventors:

Philip D. Arnold - Bloomfield Hills MI
Roy G. Kaywood - Stockbridge MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

B21D 3914

US Classification:

29523

Abstract:

Camshaft assemblies, methods and apparatus are provided for making camshafts by the expansion of tubular shafts into prelocated cams, journals and other elements, if desired. Features of the camshafts include trilobe or polylobe element openings, preferably splined or serrated for low energy filling and high torque capacity and High Strength Low Alloy mild steel tubular shaft material. The method emphasizes trapping, or loading, the shaft of prevent axial lengthening during expansion such as by mechanical ballizing. The apparatus includes adjustable thrust blocks and locating plungers with incorporated flush pin gages together with hydraulic or other loading means all for use in carrying out the assembly method with various benefits from the incorporated features.

US Patent:

48416274, Jun 27, 1989

Filed:

Jun 24, 1988

Appl. No.:

7/211505

Inventors:

Philip D. Arnold - Bloomfield Hills MI
Roy G. Kaywood - Stockbridge MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

B23Q 1526

US Classification:

29720

Abstract:

Camshaft assemblies, methods and apparatus are provided for making camshafts by the expansion of tubular shafts into prelocated cams, journals and other elements, if desired. Features of the camshafts include trilobe or polylobe element openings, preferably splined or serrated for low energy filling and high torque capacity and high strength low alloy mild steel tubular shaft material. The method emphasizes trapping, or loading, the shaft to prevent axial lengthening during expansion such as by mechanical ballizing. The apparatus includes adjustable thrust blocks and locating plungers with incorporated flush pin gages together with hydraulic or other loading means all for use in carrying out the assembly method with various benefits from the incorporated features.

US Patent:

46901124, Sep 1, 1987

Filed:

Feb 20, 1986

Appl. No.:

6/831423

Inventors:

Philip D. Arnold - Pleasant Ridge MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

B21D 5310

US Classification:

123195R

Abstract:

An improved crankcase structure and manufacturing method for engine blocks and the like wherein the crankcase is initially cast or otherwise formed with bearing caps integral therewith. The caps are preferably secured by severable connecting portions unidirectionally longitudinally adjacent their associated bearing receiving portions in the transverse webs of the cylinder block. The complete crankcase is then machined and the bearing caps are separated for subsequent assembly to the crankcase in conventional fashion. The invention reduces the amount of tooling and machining time and equipment required for manufacturing crankcases for engine blocks and the like.

US Patent:

47196777, Jan 19, 1988

Filed:

May 26, 1987

Appl. No.:

7/054283

Inventors:

Philip D. Arnold - Pleasant Ridge MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

B23P 1500

US Classification:

291564R

Abstract:

An improved crankcase structure for engine blocks and the like, may be fabricated wherein the crankcase is initially cast or otherwise formed with bearing caps integral therewith. The caps are preferably secured by severable connecting portions unidirectionally longitudinally adjacent their associated bearing receiving portions in the transverse webs of the cylinder block. The complete crankcase is then machined and the bearing caps are separated for subsequent assembly to the crankcase in conventional fashion. Consequently, the invention reduces the amount of tooling and machining time and equipment required for manufacturing crankcases for engine blocks and the like.