Cutting – Interrelated tool actuating means and means to actuate work... – Work clamp
Patent
1973-12-19
1976-02-17
Abercrombie, Willie G.
Cutting
Interrelated tool actuating means and means to actuate work...
Work clamp
83519, B26D 542
Patent
active
039384152
ABSTRACT:
A double-cut tube cutoff machine for severing steel tubing in such a way as to produce minimum deformation of the tube in the severed area. The machine comprises a base carrying opposing die jaws to clamp the tube, and a ram assembly which moves vertically and reciprocally relative to the base. The ram carries a sharp-pointed severing blade which actually cuts the tubing. A first cam arrangement synchronizes the opening and closing of the die jaws to clamp the tube during a transverse slotting operation as well as during the final severing step. A second cam arrangement synchronizes the motion of a cross slide to ram movement to drive a slotting blade transversely across the tube to notch or slot the top wall part way through prior to the severing operation. The slotting blade is carried in a blade holder which receives inserts of varying thickness so slotting blades of conversely varying thickness all pass over the workpiece in the plane of the severing blade.
REFERENCES:
patent: 2205389 (1940-06-01), Borzym
patent: 2250931 (1941-07-01), Grieder
patent: 2361595 (1944-10-01), Broersma
patent: 3099182 (1963-07-01), Alverson
patent: 3129624 (1964-04-01), Auer
Abercrombie Willie G.
Briggs W. R.
Young Thomas N.
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