Servo Motor Repairs

We are one of the leading servo motor repairers in the UK.

Servo motors are used in a wide range of applications, including CNC machines as well as robotics and a wide range of other industrial automation requirements where accurate control is required.

The construction of these units, with permanent magnet elements as well as intricate feedback devices means that servo motor repair demands are very different to those for standard AC motors.

At RJW, we have over 25 years experience in servo motor repair, making us one of the leading servo motor repairers in the UK. We have the personnel, skills, equipment and experience in covering all aspects of the repair providing a fast and effective solution taking the repair from initial inspection through to final testing. We repair all major makes and models of servo motors making us a one-stop shop for servo motor repair.

Comprehensive servo motor repair coverage

The RJW servo motor repair department covers the repair of AC and DC brushless, digital and other types of servo motors in addition to the older pancake disc style motors and stepper units together with the wide variety of feedback devices currently on offer today. Located within our electronics department, servo motor repairs are carried out in a dedicated, clean environment and are fully supported by our electronics repair engineers providing test and repair assistance on encoders, resolvers, hall effect and other feedback devices in addition to servo drives themselves.

Full support for feedback devices

With any servo motor repair the recording and resetting of feedback devices is critical to ensure the motor works fully according to it’s specification when returned to use. At RJW we have a range of jigs and measuring devices to ensure the resolvers, encoders or other feedback mechanism are correctly detailed when dismantled and later aligned correctly during the assembly of the motor.

Magnetising facilities

We are one of only a few servo motor repair companies with the comprehensive magnetising facilities critical in key areas of the servo motor repair process. Firstly these facilities enable the safe dismantling of pancake style DC servo motors, preventing possible damage that can occur when this process is omitted, they also enable us to remagnetise motors that have lost their field during the repair process, enabling us to restore the correct torque and speed characteristics to the motor. With over twenty years experience in servo motor repair, we have a large stock of jigs and fixtures to remagnetise most of the servo motors in use.

Testing of servo motors

The complete testing of servo motors following repair is vital in ensuring the motor is working correctly and the alignment of the feedback devices are correct. We have a range of drives and control equipment in addition to the necessary procedures to test an array of motors during the servo motor repair process to ensure that the units will return to service without a hitch when back on site.

Key links with manufacturers

We are approved repairers for a range of manufacturers with all workshop personnel manufacturer trained in servo motor repair.

24 hour availability

With 24 hour a day availability, both within our workshops and on site we are able to reduce potential downtime to a minimum. This, combined with comprehensive parts stocks and links with all types of parts suppliers means that we can return the motors quickly and efficiently keeping you up to date with the progress at any time.

Free quotations

All jobs offer a free no obligation quotation prior to repair providing complete details of what we are going to do to return the motor to specification and what parts we are replacing. In addition, where possible we also provide feedback as to the root cause of failure of the unit and assistance to prevent future occurrences.

Range of manufacturers we repair

Our servo motor repair facilities cover motors from, but are not restricted to the following manufacturers:

  • ABB
  • Allen Bradley
  • Baumuller
  • Contraves
  • Control Techniques
  • Danaher
  • Fanuc
  • Kollmorgen
  • Lafert
  • Lenze
  • Mavilor
  • Mitsubishi
  • Moog
  • Pacific Scientific
  • Parvex
  • Siemens

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