Cutting – With means to monitor and control operation – Including means to correct the sensed operation
Patent
1992-05-27
1995-10-10
Jones, Eugenia
Cutting
With means to monitor and control operation
Including means to correct the sensed operation
83168, 83169, 834114, 83412, 125 1301, 451 1, B23Q 15013
Patent
active
054561477
ABSTRACT:
An automatic saw is provided having a rotatable saw blade for cutting through a workpiece which is carried on a movable arm, which permits the workpiece to be moved into engagement with the saw blade. The saw blade is mounted on a first shaft while the workpiece and arm are mounted on a second, rotary shaft. Typically, a load cell is carried on the second shaft to sense torsional stress created by the pressure of the saw against the workpiece. This torsional stress is a direct measurement of the pressure of the saw against the load cell, and may be used in a feedback system for automatic adjustment of the sawing conditions. Also, it is preferred for the second shaft to be longitudinally movable in an automatic manner by means of a threaded, rotary arrangement for longitudinally advancing and retracting the second shaft between predetermined positions. A rotary encoder may be used to monitor the rotary position of the second shaft and arm.
REFERENCES:
patent: 2649646 (1953-08-01), Remmen
patent: 3491638 (1970-01-01), Idlis
patent: 3744361 (1973-07-01), Van Doorn et al.
patent: 4091698 (1978-05-01), Obear et al.
patent: 4942795 (1990-07-01), Linke et al.
patent: 5119310 (1992-06-01), Moriya
Buehler Ltd.
Jones Eugenia
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