Shearing machine

Details Shearing machine Shearing machine

1981-12-16

1984-03-20

Kazenske, E. R.

Cutting

Cutting motion of tool has component in direction of moving...

Tool carrier shuttles rectilinearly parallel to direction of...

83639, B23D 2506, B26D 160

Patent

active

044373724

ABSTRACT:
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 comprises mainly three sections: a reciprocating mechanism driven by a motor to move cutters horizontally, a travelling assembly and double-acting cylinder to drive a movable cutter vertically while being moved horizontally, and a two-way rotary valve driven by the motor to control the double-acting cylinder device in conjuinction with movement of the reciprocating mechanism. The reciprocating mechanism translates rotary torque into reciprocating linear motion of relatively small stroke length. The two-way rotary valve is driven directly by the motor, facilitating synchronization of horizontal cutter speed with material feed speed and rapid movement of the cutters without any response delay.

REFERENCES:
patent: 2079974 (1933-11-01), Traut
patent: 2582332 (1946-10-01), Homer
patent: 2755858 (1956-07-01), Siegerist
patent: 3125918 (1964-03-01), Small
patent: 3566728 (1971-03-01), Ohmasu
patent: 3581616 (1971-06-01), Kawae et al.
patent: 3730223 (1973-05-01), Reece
patent: 3945284 (1976-03-01), Wetzels et al.
patent: 4143676 (1979-03-01), Ivony et al.
patent: 4165665 (1979-08-01), Shimizu et al.

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