Cutting by use of rotating axially moving tool – With means to deform work temporarily
Patent
1978-07-26
1980-11-18
Bilinsky, Z. R.
Cutting by use of rotating axially moving tool
With means to deform work temporarily
51241S, 51290, 248646, 248651, 408111, 408709, 409175, 409189, B23B 4112
Patent
active
042342759
ABSTRACT:
A method and apparatus for positioning a boring machine relative to an engine block or the like has a base plate suitable for arrangement upon a deck surface of the block, the plate being formed with openings above each of the cylindrical bores as well as in alignment with threaded passages in the block. Preferably, bolts are threaded into the block to secure the base plate so that, during reboring, the bolts distort the block about the bores in a similar manner as during engine operation. Also preferably, adjustable means are arranged between the base plate and the deck surface of the engine block in order to position the base plate in precise alignment with the main bearing axis of the engine block so that the bores are formed perpendicularly to the main bearing axis.
REFERENCES:
patent: 1986006 (1935-01-01), McClellan et al.
patent: 2006159 (1935-06-01), Connor
patent: 2604284 (1952-07-01), Arp
patent: 3273423 (1966-09-01), Rottler
patent: 4117633 (1978-10-01), Yother
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