Tool compensation mechanism

Details Tool compensation mechanism Tool compensation mechanism

1979-11-13

1982-01-12

Vlachos, Leonidas

Turning

Axial pattern

Pivoted tool rest

82 12, B23B 540

Patent

active

043099254

ABSTRACT:
A boring bar for machining an internal spherical surface. The bar has a cutting element and a holder therefor both of which rotate bodily with the bar and are simultaneously pivotable in a cutting operation about an axis transverse to the rotational axis. At the same time, the portion of the holder carrying the cutting element can be adjusted radially to the transverse axis for precise positioning of the cutting element. Remotely operable actuator mechanisms are provided, one for pivoting the holder to make the cut and the other for making the radial adjustment to set the cutting element initially to the desired radius dimension and subsequently to compensate for wear, the latter mechanism being uniquely constructed and arranged to make the adjustment while the boring bar is still rotating so as not to affect the normal cycle time of the machine and to provide solid support for the cutting element in all adjusted positions thereof.

REFERENCES:
patent: 2134210 (1938-10-01), Secor
patent: 2540520 (1951-02-01), Hoern
patent: 3914678 (1975-10-01), Chynoweth et al.
patent: 4224846 (1980-09-01), Eysel et al.

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