Blanking shear machine

Details Blanking shear machine Blanking shear machine

1986-11-05

1987-11-03

Bell, Paul A.

Cutting

With control means responsive to replaceable or selectable...

83216, 83548, 83559, 83917, B26D 508

Patent

active

047036788

ABSTRACT:
A blanking shear machine has a rotatable upper turret having a holder for an upper blade. The upper blade has two contiguous sides which form a right angle therebetween. A rotatably mounted lower turret has a holder for a lower blade which corresponds to the upper blade. Means for clamping and positioning a workpiece are provided between the upper and lower turrets. The turrets are rotated to position the blades to provide the desired cut. A plurality of strikers are provided above the upper turret at four positions above the upper blade at which the contiguous sides of the blade are aligned with the X-axis and Y-axis coordinates. Means for actuating the strikers are provided to lower the upper blade to engage the lower blade, shearing the workpiece between the two blades.

REFERENCES:
patent: 3370492 (1968-02-01), Treff
patent: 3691887 (1972-09-01), Roch
patent: 4606250 (1986-08-01), Krosbacher et al.

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