Threading clutch for a multi-spindle machine

Details Threading clutch for a multi-spindle machine Threading clutch for a multi-spindle machine

1999-06-03

2000-10-03

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Operators

192 4891, 192 8718, F16D 2510

Patent

active

061259829

ABSTRACT:
A threading clutch apparatus 40 and method for a multi-spindle machine that is pneumatically actuated and electronically controlled. The threading clutch apparatus 40 shifts from a low speed side 48 to a high speed side 46 at a selected time interval. An electrical circuit 106 is in electrical communication with a limit switch 112 which is operatively connected to a threading tool. At a desired time in the machining process, limit switch 112 is tripped and electrically starts a count down timer 114,116 to energize solenoid valve 102 for selectively activating the high speed side 46 of the threading clutch apparatus 40. The threading clutch 40 allows varying static torque capacity with variable pressure control to eliminate clutch adjustment and electronically monitoring tap depth adjustment.

REFERENCES:
patent: 4644819 (1987-02-01), Zugel
patent: 5480270 (1996-01-01), Read
patent: 5730037 (1998-03-01), Manning
patent: 5947250 (1999-09-01), Kalinsky

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