Cutting – With randomly actuated stopping means – Responsive to tool detector or work-feed-means detector
Patent
1985-06-25
1987-06-23
Meister, James M.
Cutting
With randomly actuated stopping means
Responsive to tool detector or work-feed-means detector
83 72, 83360, B26D 724, B23D 5300
Patent
active
046743740
ABSTRACT:
A band saw machine is provided with a fixed and movable blade guide arm which are set apart by a distance which is proportional to the width of workpiece to be cut. A detector mounted on one of the guide arms senses the lateral deviation of the saw blade during cutting and a control circuit outputs a termination signal to shut down the machine when the deviation is larger than a desired maximum value. When a workpiece of a different width is to be cut the guide arms are reset apart by a distance proportional to the width of the new workpiece and a detector is provided which senses the change of distance between the guide arms and outputs a signal to a revising circuit. The revising circuit then revises the maximum value of deviation to be allowed based on the change of distance between the guide arms.
REFERENCES:
patent: 2914100 (1959-11-01), Lindholm
patent: 4085636 (1978-04-01), Eklund
patent: 4355555 (1982-10-01), Kobayashi et al.
patent: 4437367 (1984-03-01), Hauser
patent: 4557168 (1985-12-01), Tokiwa
Sadahiro Toru
Taguchi Masayuki
Terajima Takeshi
Tokiwa Toru
Amada Company Limited
Meister James M.
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