Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1987-10-26
1990-03-13
Rose, Robert
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 34R, B24B 508
Patent
active
049073729
ABSTRACT:
A finishing apparatus includes an upright frame mounted finishing head driven by a hydraulic cylinder controlled by a proportional valve or a servo drive which ball screw under the control of a central processor unit in accordance with the type of an engine block being finished. The different types of engine blocks are oriented to have the cylinder bores thereof finished by common finishing tool(s) mounted on the head. The apparatus includes a linear positioning element, either in the form of an expandable collet or in the form of a fixed diameter mandrel, which is selectively engageable with the block at the crankshaft bores thereof to locate the block with respect to the finishing tools, and a rotating mechanism is included to tilt the block in accordance with the type of block being processed so as to vertically align the cylinder bores of either in-line or V types of enging blocks with the finishing tool(s).
REFERENCES:
patent: 1933149 (1933-10-01), Poole
patent: 2738625 (1956-03-01), Strnad
patent: 3032932 (1962-05-01), Bargren
patent: 3380197 (1968-04-01), Fitzpatrick
patent: 4187644 (1980-02-01), Fitzpatrick
patent: 4423567 (1984-01-01), Raven, III
Bidigare Richard G.
Molitor Gerald R.
Evans John C.
Micromatic Operations Inc.
Rose Robert
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