Rotary knives shear machine

Details Rotary knives shear machine Rotary knives shear machine

1978-03-27

1980-08-26

Schran, Donald R.

Cutting

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

Orbital motion of cutting blade

83328, 83305, 83321, 83285, B23D 2508

Patent

active

042189446

ABSTRACT:
Improvements relating to shear machines to cut advancing bars and particularly a rotary knives dividing shears cutting device, wherein one improvement relates to the conversion of a conventional rotary knives shear machine to a planetary rotary knives shear machine, working at a multiple ratio high speed, the other improvement provides planetary rotary knives working at a fractional ratio in order to keep the rotating knives always directed in the same shear direction.

REFERENCES:
patent: 1140392 (1915-05-01), Novick
patent: 1989012 (1935-01-01), Kalko
patent: 3886830 (1975-06-01), Holthoff et al.

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