Clutch for a quill feed mechanism

Details Clutch for a quill feed mechanism Clutch for a quill feed mechanism

1985-03-20

1987-03-24

Levy, Stuart S.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Torque transmitted via frictional engagement of conical or...

74412TA, F16D 702

Patent

active

046522492

ABSTRACT:
In a milling machine, a quill power feed mechanism is provided an adjustable overload slip clutch capable of feeding the quill completely to a pre-set micrometer quill stop during a drilling or boring operation. The improved slip clutch includes an overload housing which is attached to a driven gear freely rotatable about a quill pinion shaft, and a clutch body attached to the quill pinion shaft. The overload housing has a smooth internal clutch face which interfaces with a corresponding smooth outer clutch face on the clutch body to drive the quill pinion shaft. The force with which the clutch body is passed against the smooth internal clutch face is adjustable to vary the resistance torque on the quill pinion shaft at which the interacting clutch faces will slip and allow the overload housing to rotate independently of the clutch body.

REFERENCES:
patent: 804778 (1905-11-01), Smith
patent: 1373810 (1921-04-01), Hansen
patent: 1994772 (1935-03-01), Landriani
patent: 3322369 (1967-05-01), Haenelt, Jr.
patent: 3722644 (1973-03-01), Steinhagen
patent: 3788158 (1974-01-01), Firth
Extract from Bridgeport Operation Manual.
Leadwell Turret Milling Machine Operation Manual.
Enco Turret Milling Machine Instruction Manual.

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