B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/120
B26D 5/12 (2006.01) B23D 25/04 (2006.01) B23D 36/00 (2006.01)
Patent
CA 1176971
ABSTRACT OF THE DISCLOSURE A shearing machine for cutting off a material being continuously fed at a constant high speed into a relatively short lengths requiring adjustment of the revolution speed of a driving motor only within a relatively small range. The shearing machine according to the present invention comprises mainly three sections: a reciprocating mechanism section driven by a motor to move cutters horizontally, a travelling assembly and double- acting cylinder device section to drive a movable cutter vertically while being moved horizontally, and a two-way rotary valve section driven by the motor to control the double-acting cylinder device in conjunction with the movement of the reciprocating mechanism. The reciprocating mechanism translates rotary motor motion into reciproc- ating linear motion of relatively small stroke and the two- way rotary valve is driven directly by the motor, thus facilitating synchronization of horizontal cutter speed with material feed speed and movement of the cutters quickly without any response delay. - 27 -
392256
Ishigami Hideo
Tohei Nobuo
Kabushiki Kaisha Meidensha
Robic Robic & Associes/associates
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