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Low voltage AC motors & generators

Low voltage AC motors & generators

Our low voltage motor department caters for the following types of machines:

  • Plant motors from 0 to 350 kW and with voltage ranging to 1000 Volt
  • All sizes scraper winch motors including flame proof winches
  • Vibrator motors
  • Alternators

Our facilities include a work shop equipped with a computer aided data verification system ensuring motors and generators are rewound to the most advanced specifications. We have a fully equipped mechanical shop and micro welding department, as well as test facilities that cater for all routine tests.

Scraper winch motors

Calibrated equipment is used in the assembling department such as bearing heaters and torque wrenches to ensure that bolts are fastened to the specified torque settings. M&C has also designed the 55 kW MAC 200 motor and 37 kW motor specifically for African conditions.

Vibrator motors

Vibrator motors are specialised motors. M&C has the necessary skills in order to repair vibrator motors to the highest standard. The specifications regarding the bearings, shaft and housing tolerances are vastly different from normal motors. To ensure that vibrator motors have been correctly assembled, M&C load tests all vibrator motors on a specialised test bed.

Axial vent fans

This department undertakes the repair and refurbishment of axial vent fans. The fans are tested on the most modern state of the art conical inlet test column, ranging from 305 mm to 1016 mm. Full speed balancing of fans is carried out. Computer generated performance test reports accompany all repaired fans.

Pumps

M&C’s pump department undertakes the rewinding and refurbishment of all makes and models of pumps for the mining and industrial sectors, including centrifugal, submersible and vertical spindle pumps.

To ensure that each repaired unit meets the performance criteria, M&C conducts a complete pump performance test which measures the flow rate against the head. This is then compared with the OEM’s standards to ensure that each unit leaving the factory is within the original design specifications. A test certificate is issued for each pump that M&C repairs.