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MEMMINGER-IRO

Advanced Knitting Technology

Memminger Iro - Advanced Knitting Technology

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MRA 2 - Motor belt drive

Application

The MRA 2 replaces the complete QAP assembly. Servo motors set new standards. Every drive belt is controlled, adjusted and monitored separately via the central terminal.
The MRA 2 can be used for all circular knitting machines. Set-up takes just a tenth of the previous time.

Main features

  • ​Closer adherence to stitch size, not otherwise possible with conventional processes
  • Improved fabric quality due to uniform yarn inlet rate for all machine series
  • Greater productivity with lower costs thanks to shorter set-up times

Technische DatenTechnical data

Line voltage

3 x 400 V AC, other voltages possible with upstream step-down transformer

Line frequency

45 – 66 Hz

Power

250 VA per servo motor

Max. number of driven feeders

60 MPF units per belt / servo motor
24 MER units per belt / servo motor

Max. belt speed

360 m/min (with 30-tooth drive pulley)
500 m/min (with 40-tooth drive pulley)
576 m/min (with 48-tooth drive pulley)

Length of connecting cable between control unit and servo motor

1,8 m or 3,0 m

VariantenVersions

ZubehörAccessories

Servo motors

Used to drive belts according to specified yarn feed rate.

Operation terminal

Used to enter all parameters necessary for installation and operation.

Control unit

Used to supply power to the max. 6 servo motors. Data from operation terminal and encoder are saved and transmitted to servo motors.

Capacitors

Ensure with a mains power failure that the system continues running until the machine comes to a complete standstill, so preventing yarn breakage.

Encoder

Detects cylinder movements and transmits them to the control unit in the form of pulses.

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