Hob clamping system

Details Hob clamping system Hob clamping system

1987-06-10

1988-07-26

Weidenfeld, Gil

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

409 11, 409233, 409236, B23Q 3155, B23F 2312

Patent

active

047591137

ABSTRACT:
A tensioner having screw threads tightened by rotation of a hob drive (15) is used for applying clamping pressure to a hob (10) in a working position in a hobbing machine. The tensioner extends through the hob between the end supports (11 and 12) of the hobbing machine and has threads arranged so that a wrench system can hold part of the tensioner against rotation while the hob drive tightens the threads to a predetermined clamping torque. The tensioner can be a single draw rod (20) extending from driving end support (11), through hob (10), and into threaded engagement with idler end support (12); and the tensioner can include a hob mounting arbor (45) having threaded ends into which a pair of opposed tensioner rods (20 and 46) are threaded.

REFERENCES:
patent: 4015510 (1977-04-01), Hodgson
patent: 4137822 (1979-02-01), Behnke
patent: 4287659 (1981-09-01), Erhardt et al.
patent: 4536110 (1985-08-01), Farrell et al.
patent: 4590661 (1986-05-01), Lunazzi

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