Servo driven draw roll for bag machine

Details Servo driven draw roll for bag machine Servo driven draw roll for bag machine

B - Operations, Transporting

31

B

93/3

B31B 1/00 (2006.01) B31B 19/10 (2006.01)

Patent

CA 1313789

ABSTRACT OF THE DISCLOSURE A machine for the continuous production of plastic bags utilizes a servo drive motor to drive the machines film web draw roll assembly and through a seal roll index gear also to drive a seal roll of the machine in coordination with the servo driven draw roll. Control of the servo motor is through a motion controller receiving inputs from the servo motor. A master encoder on a machine main drive shaft provides machine degree pulses about which servo commands are profiled.

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