Center for lathes

Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation

Patent

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Details

B23B 2304

Patent

active

040928853

ABSTRACT:
A center for lathes comprises a tubular casing with its interior serving as an oil chamber, a center rod fitting in the casing and having a conical front end projecting from the casing, front bearings and a rear bearing provided between the casing and the center rod, an oil feeding screw portion positioned between the front bearings and the rear bearing and formed on the center rod, and an oil reservoir provided on the casing. Forward and return oil channels extend between the oil reservoir and the oil chamber to permit the whole oil in the reservoir and the chamber to circulate within the center.

REFERENCES:
patent: 1782272 (1930-11-01), Power
patent: 1967004 (1934-07-01), Braden

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