Document Type and Number:
Japanese Patent JPH0464803
Kind Code:
B2
Abstract:
A metal saw cutter has a first motor for rotating a workpiece to be cut and a second motor for rotating a metal saw independently of the first motor. A control apparatus of the metal saw cutter has a detector for detecting variations in an electrical output depending on the variation of the cutting resistance acting on the metal saw during cutting, and a controller for controlling the speed of the second drive in accordance with the detection signal from the detector.
Inventors:
KAWACHI TAKASHI
TAMAOKI HIDEKI
TAMAOKI HIDEKI
Application Number:
JP22112282A
Publication Date:
October 16, 1992
Filing Date:
December 18, 1982
Export Citation:
Assignee:
REX IND CO
International Classes:
B23D21/00; B23D45/12; B23D47/04; B23D59/00