Mandrel-holding slide or sleeve pod for numerical-control...

Details Mandrel-holding slide or sleeve pod for numerical-control... Mandrel-holding slide or sleeve pod for numerical-control...

2005-08-23

2005-08-23

Cadugan, Erica (Department: 3722)

Gear cutting, milling, or planing

Milling

Machine frame

C409S237000, C409S238000, C409S185000, C409S186000, C409S232000, C408S714000, C408S235000

Reexamination Certificate

active

06932549

ABSTRACT:
In a numerical-control machine tool use is made of a mandrel-holding structure that makes it possible for the machine tool to be used to smoothing/facing and polishing purposes under utilization of traditional pan-like tools, in which the force acting on the working tool is delivered by a pre-established adjustable pneumatic pressure, while the weight of the moving parts of the mandrel is compensated for by a compression spring. When the pneumatic pressure is substituted for by an oleodynamic, i.e. oil-pressure force acting in the opposite direction, the machine switches over to normal operating conditions as a regular numerical-control machine tool.

REFERENCES:
patent: 2259808 (1941-10-01), Ellenbecker
patent: 3146472 (1964-09-01), Long
patent: 3526938 (1970-09-01), Grabher
patent: 5590580 (1997-01-01), Nagai
patent: 1103339 (2001-05-01), None
patent: 2116465 (1983-09-01), None

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