Grinding fixture

Details Grinding fixture Grinding fixture

1974-07-22

1976-02-03

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

269296, B24B 4106

Patent

active

039356795

ABSTRACT:
A grinding fixture for grinding cylinder head castings. The fixture includes a row of aligning pins that extend upwardly from the fixture and the lower ends of each pair of adjacent pins are engaged with the ends of a balancing plate which is fulcrumed within the fixture. The outer projecting ends of the pins are received within the combustion chambers in the cylinder head casting, and the aligning pins and balancing plates tend to level the casting in a longitudinal direction. The lower surface of the casting is adapted to engage three targeting pins, and the lower ends of the targeting pins are engaged with a pivotable balancing plate to thereby level the casting in a transverse direction. Spring loaded locking pins extend upwardly from the fixture and engage the bottom surface of the casting. When the casting is leveled through use of the aligning pins and targeting pins, the locking pins are locked to hold the casting rigidly in place for the grinding operation.

REFERENCES:
patent: 1125566 (1915-01-01), Lang
patent: 1312306 (1919-08-01), Campbell
patent: 2086024 (1937-07-01), Flygare
patent: 2696764 (1954-12-01), Sternbergh
patent: 2828589 (1958-04-01), Hercik
patent: 3181858 (1965-05-01), Daniels
patent: 3274867 (1966-09-01), Sell
patent: 3347543 (1967-10-01), Zak
patent: 3537701 (1970-11-01), Claycomb

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