Shear for cutting rod-form material

Details Shear for cutting rod-form material Shear for cutting rod-form material

1982-05-12

1984-10-09

Schran, Donald R.

Cutting

By means to misalign aligned apertured tools

Rotary relative movement solely about a single pivot

83196, B23D 2300, B23D 1500

Patent

active

044754230

ABSTRACT:
In shears for rod-form material, especially in connection to roll trains, the problem exists of a space-saving construction, especially in the sidewise direction, in view of the multiple arrangements, as well as increased safety (reliability) of operation for the high-pressure hydraulic system of the cutting drive.
The shear provided with two knife holders (MT1, MT2) and a fluid drive element (ZK) as well as a respective pressure feeding device (DS), is so designed, for this purpose, that the pressure work chambers (DA1, DA2) of the drive element, such as a double-acting cylinder-piston arrangement, and the elements carrying pressure fluid (high-pressure pumps, etc.) of the pressure feeding device (DS) are designed to be movable in common with a knife holder (MT1) which is movable in relation to the machine frame or a conduction (SF) of material to be cut, and preferably fixed in space with this latter (MT1).

REFERENCES:
patent: 3664221 (1972-05-01), Breetvelt
patent: 4385538 (1983-05-01), Bieri et al.

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