Cutting machine for cutting flat workpieces

Details Cutting machine for cutting flat workpieces Cutting machine for cutting flat workpieces

1990-09-21

1991-11-05

Phan, Hien H.

Cutting

With means to monitor and control operation

Including means to correct the sensed operation

33 1PT, 36447432, 8352216, 83701, B23Q 1722

Patent

active

050623320

ABSTRACT:
A cutting machine for cutting a flat workpiece comprises a cutting table having a working surface for supporting the flat workpiece, a support movable parallel to the working surface, and a cutting unit mounted on the support above the working surface, the cutting unit comprising a cutting knife vertically adjustable relative to the working surface to regulate the cutting depth of the knife, a vertically displaceable carriage for the cutting knife for vertically adjusting the knife, a cutting knife holder rotatable about a vertical axis for orienting the knife in a desired direction, and drives actuatable for displacing the carriage, rotating the holder and moving the support in response to a programmable control. To engage the position of the cutting knife to be efficiently adjusted, a setting device is provided, the setting device comprising a vertically extending positioning path indicator arranged to indicate the actual position of the cutting knife in a set position and to transmit to the control a signal corresponding to a deviation of the actual position from a pre-set vertical position of the indicator relative to the working surface whereby a reference point for the vertical adjustment of the cutting knife is put in the control.

REFERENCES:
patent: 3183597 (1965-05-01), Donaldson et al.
patent: 3955458 (1976-05-01), Pearl
patent: 4133234 (1979-01-01), Gerber
patent: 4902495 (1990-04-01), Pilkington

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