Program-controlled frame bending method and apparatus

Details Program-controlled frame bending method and apparatus Program-controlled frame bending method and apparatus

B - Operations, Transporting

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B21D 43/28 (2006.01) B21D 7/12 (2006.01) B23D 45/00 (2006.01) B23D 45/06 (2006.01) B23D 47/04 (2006.01) B23D 59/00 (2006.01) G05B 19/18 (2006.01)

Patent

CA 1241899

Abstract of the Disclosure A tube bending apparatus made up of a drive motor, bend head and saw together with associated clamping units are mounted on a common work surface, the apparatus being programmed to form rectangular window frames by coor- dinating the speed of advancement, distance of travel bet- ween bends as well as the sequence of bending and cutting with operator input data relating to quantity and frame dimension. The machine can be operated either in a manual or automatic mode, and in the automatic mode is operable at different selected speeds, according to the length of sides of the frame, with a reduced speed interval at the end of each period of advancement preliminary to braking and clamping of the workpiece to perform either a bending or cutting operation.

490662

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