Multi-spindle machining apparatus and multi-spindle machining me

Details Multi-spindle machining apparatus and multi-spindle machining me Multi-spindle machining apparatus and multi-spindle machining me

1998-01-27

1999-06-01

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 42, 408 53, 408707, 408128, 409131, B23B 3916, B23B 3500, B23B 4112, B23B 4716

Patent

active

059082704

ABSTRACT:
The present invention relates to the multi-splindle machining apparatus which carries out machining of the discontinuous surfaces of a plurality of workpieces simultaneously, and in order to restrain the amplification of chattering, oscillation or the like so as to prevent the machining precision from deterioration, the diameters of plural drive pulleys 7a, 7b, 7c connected to a driving motor are finely varied to change at random the rotational speeds which are transmitted from the drive pulleys 7a, 7b, 7c through belts 10 to driven pulleys 8 provided on each machining spindle 3a, thus changing irregularly the timings at which cutting edges 9 of the machining spindles 3a pass the discontinuities such as joint portions s.

REFERENCES:
patent: 3749507 (1973-07-01), Haley
patent: 3765787 (1973-10-01), Hart et al.

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