Cutting by use of rotating axially moving tool – With stopping upon completion of prescribed operation
Patent
1984-03-26
1985-07-23
Weidenfeld, Gil
Cutting by use of rotating axially moving tool
With stopping upon completion of prescribed operation
10141H, 408 10, 408 73, 408142, B23B 4900
Patent
active
045306257
ABSTRACT:
An improved hydraulic stop for use with drilling and countersinking tools. The stop limits the penetration of the tool into the workpiece by dwelling at a pre-set depth while the machine spindle continues to travel (feed) through a hydraulic override system.
A safety relief valve, pre-set to a safe load, will permit the device to collapse or override if the hydraulic or mechanical override system should fail.
REFERENCES:
patent: 2967441 (1961-01-01), Miles
patent: 4273481 (1981-06-01), Corley et al.
Andert Charles M.
Corley John E.
Geen Joseph H.
Lark Russell D.
Wells Wesley G.
Finch George W.
Howell Daniel W.
McDonnell Douglas Corporation
Royer Donald L.
Scholl John P.
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