Turning – Process of turning
Patent
1990-03-27
1991-10-29
Smith, James G.
Turning
Process of turning
82137, B23B 300
Patent
active
050605445
ABSTRACT:
A tool retracting method and apparatus is for retracting a tool in an NC machine tool upon the detection of the occurrence of an abnormal machining condition during operation of the NC machine tool. The tool retraction direction is determined which is counter to the direction of the cutting load acting on the work at the moment of the occurrence of the machining abnormality, so that the tool can be promptly retracted without interfering with the work.
REFERENCES:
patent: 4085890 (1978-04-01), Kimura et al.
patent: 4513646 (1985-04-01), McMurtry
Hanaki Yoshimaro
Yamamoto Kyoichi
Cruz Lawrence
Kabushiki Kaisha Okuma Tekkosho
Smith James G.
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