Multi-spindle machine retrofit system

Details Multi-spindle machine retrofit system Multi-spindle machine retrofit system

1997-06-06

2000-04-18

Pitts, Andrea L.

Turning

Lathe

Multiple

29 37A, 29 27R, 74335, 192 488, B23B 334

Patent

active

060501626

ABSTRACT:
A retrofit system for a multi-spindle machine which includes a brake clutch (72), a feed clutch (70), and a high speed clutch (68) which are incorporated into the drive train gear layout of the multi-spindle machine. All three clutches are controlled by an electrical control circuit which includes a timer (80). When the multi-spindle machine shifts from high speed to low speed the control system activates the brake clutch for a short time period set in the timer, which causes the drive train gears to quickly slow down, allowing synchronous meshing with the low speed drive train of the multi-spindle machine and enabling a reduction in machine cycle time.

REFERENCES:
patent: 3081523 (1963-03-01), Retz
patent: 3760661 (1973-09-01), Eichanhofer
patent: 3982618 (1976-09-01), Horsch
patent: 4644819 (1987-02-01), Zugel
patent: 5150637 (1992-09-01), Ninomiya et al.
patent: 5193422 (1993-03-01), Mukai
patent: 5473959 (1995-12-01), Lasoen
patent: 5730037 (1998-03-01), Manning

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