Method for boring overhead cam engine cylinder heads

Details Method for boring overhead cam engine cylinder heads Method for boring overhead cam engine cylinder heads

1995-03-31

1997-01-07

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29 33R, B23P 1500

Patent

active

055904661

ABSTRACT:
A method and machine for repairing overhead cam engine cylinder heads. The method includes the steps of removing the caps from the bases of the bearing towers or housings, removing material from the legs of the caps to reduce their height, replacing the caps on the bases, and boring the resulting bearings to produce bearings of the proper diameter. The machine includes a device for machining a bearing cap and a device for boring the bearings. The device for boring the bearings has a boring bar that is supported only at opposite ends of the cylinder head. The bar does not sag or chatter because it is made of an extremely hard and dense material such as a dense tungsten alloy or a ceramic-coated metal.

REFERENCES:
patent: 4232437 (1980-11-01), Fair
patent: 4967458 (1990-11-01), Rosenberg et al.
Dura-Bond--Performance Racing Industry, Sep. 1994.
Acu-Bore--1994 Product Brochure.
Newen Genesys OHC Cylinder Head & Block Line Boring Machine--1995 Product Brochure.
Berco--1994 Product Catalog.
Sunnen Products Co.--1994 Product Brochure.
Serv-Equip, Inc.--Ad In Summer 1994 "Engine Rebuilder Trader" Magazine, p. 81.

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