Dimpleless tube cutting apparatus

Details Dimpleless tube cutting apparatus Dimpleless tube cutting apparatus

1984-04-03

1987-01-20

Schran, Donald R.

Cutting

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

Tool carrier shuttles rectilinearly parallel to direction of...

83 54, 83456, B23D 2100, B23D 2504

Patent

active

046372873

ABSTRACT:
An apparatus for use in a tube manufacturing plant wherein a coiled strip is made into a continuous tube. The tube is fed to the apparatus at a given speed and severed into a specified length with minimized errors in accordance with the contemplated use by a cutting assembly traveling in synchronism with the feed of the tube. When the speed of the cutting assembly matches the speed of the tube, a ram is lowered from above by a crank assembly to cause a notching blade and a cutoff blade to cut the tube without dimples. The ram is elongated and supported by a plurality of crankshafts which are adapted for synchronous rotation optimally by a synchronizing link. For dimpleless cutting, the notching blade is revolved and thereby moved at an increased speed to form a deep and wide notch in the tube.

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patent: 4361064 (1982-11-01), Susaki
patent: 4376401 (1983-03-01), Borzym
patent: 4499803 (1985-02-01), Borzym et al.

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