Turning – Process of turning
Patent
1981-05-22
1986-12-30
Vlachos, Leonidas
Turning
Process of turning
82 36R, 407101, B23B 100, B23B 2904, B26D 100
Patent
active
046319930
ABSTRACT:
The machine tool parts and method of making same includes providing cooperating attachment means between the shank and the tool bit head assembly, wherein a predetermined portion of the attachment means on the shank is located a first predetermined distance from a fixed reference on the shank and the cutting edge of the tool bit head assembly is located a fixed predetermined distance from a portion of the attachment means on the tool bit head assembly, corresponding to the predetermined portion of the shank attachment means, with the additive sum of the first and fixed predetermined distances defining a predetermined cutting height of the cutting edge. Preferably, the attachment means comprise a key formed on the head assembly and a correspondingly proportioned key-way formed on the shank. The fixed reference on the shank is its bottom surface and the predetermined positions on the attachment means are the lowermost abutting edges of the key and key-way. In addition, any increase or decrease to the cutting height is added or subtracted at the bottom surface of the shank. Advantageously, the tool bit head assembly includes only a support plate which supports the tool bit insert and on which the key is formed and a clamp member which is fastened directly to the support plate to clamp the insert against the support plate and which includes locating means cooperating only with the support plate for positively locating its clamping arm portion with respect to the desired location for the tool bit insert.
REFERENCES:
patent: 3534457 (1970-10-01), Mueller
patent: 3543363 (1970-12-01), Diemond
patent: 3545318 (1970-12-01), Anderson
patent: 3758927 (1973-09-01), Stein
patent: 3844008 (1974-10-01), Sletten
patent: 4118138 (1978-10-01), Takacs
"Indexible (Throw-Away) Insert Holders", USAS, B94.26, 1969.
"Precision Holders for Indexible Inserts", ANSI, B94.45, 1979.
General Electric Company
Vlachos Leonidas
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