WOODWARD 9907-147 Digital input module

Fastening is performed while sampling the amount of torque change against a fastening angle of 1 deg and making a judgment. It is possible to divide the zone between the ANG start torque and a judgment is made. This function is used to monitor the condition of a workpiece and the condition of fastening. A Back Rate Monitor function is also available. It works by calculating the torque rate after the completion of fastening, using the point obtained by returning the set angle as a start point and checking whether the result is within the range between the set upper limit and lower limit.

MASTER CONTROL UNIT

The Master Control Unit is capable of controlling a maximum of 31 AXIS Control Units. Its advantages include Sequenced Fastening Program which makes PLC programing simple, Serial communication with PLC or Fieldbus communication with PLC which reduces wiring, and Multiple Work Groups management, to realize high performance fastening.Indicate the status of System error, communication with AXIS Unit, communication with PLC, PC.

Installation of Tool Unit

As this Nutrunner system has a mechanism for detecting the torque reaction from the rotation torque of the output shaft to the unit body, please be aware that the tool unit body should not have mechanical interference When the tool unit mounting bracket or the work jig etc., moves because of the torque reaction force generated at the time of fastening, this causes scatter of the fastening accuracy. When the center deviation is large, an excessive force acts onto the shaft, and this can cause shaft breakage. Special care is required in regard to insufcient strength of the mounting bracket etc., and in regard to center deviation.

Quality assurance service

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