Contacts & Flexible connectors

A very wide range is manufactured and repaired using a variety of specialised metal ALLOYS of SILVER, TUNGSTEN and COPPER. Work is carried out to suit customer requirements and the application.
Flexible Connectors are produced in braided or laminated copper.

Commutators

Commutators of all types are manufactured/repaired as screwed, bolted or moulded assemblies. Sizes range from 100mm diameter to 2000mm diameter for all types of motors including highspec RAILWAY TRACTION MOTORS.

Slipring Assemblies

Slipring Assemblies

All types and sizes of sliprings are manufactured and repaired. From 100mm diameter to 2000mm diameter for:

  • Electric Motors
  • Cable reels
  • Rotating machinery

Brush Holders

Manufacture of special brush holders is undertaken to customer specification. ADAPTOR PLATES and BRUSH ARMS are also designed and built for CONVERTING OLD MOTORS to use new type standard brush holders.

Insulating Components

Insulating components are manufactured in a variety of materials to customer requirements:

  • Epoxy Glass
  • Mica Epoxy Glass
  • Polyester Dough Moulding
  • Phenolic Paper/Fabric
  • Asbestos

Special Greases for Bi-Metalic Electrical Connections

A range of greases, formulated specially to protect sliding electrical contact surfaces, is now being marketed by Contact Engineering, the Boksburg based specialist in electro-mechanical manufacturing.

This dielectric compound has been specially formulated to solve many of the problems encountered in high and low voltage electrical systems.

The greases are non-petroleum based so they can be used in contact with high voltage premoulded EPDM rubber splices and other rubber insulating materials. These compounds display excellent characteristics as an aluminium oxide inhibitor enabling aluminium to aluminium and aliminium to copper busbar couplings and silver plated sliding contacts.

The grease functions effectively at temperatures exceeding 200oC with excellent adherence and no creep. They will not "run" at high temperatures, thereby ensuring that busbar to busbar joints and cable connections stay free from oxidation, the cause of high resistance interfaces.

Furthermore, the greases do not dry out and become powdery over time. This characteristic makes them the ideal solution for reducing maintenance on equipment and connections. The greases have proved their value for many years in overseas countries and can now play a key role in local applications to ensure reliable electrical connections.

Where stable performance of bolted aluminium to aluminium, and copper to aluminium connections under high current cycling conditions is required, the use of this grease is vital.

The grease is imported in bulk, repacked and marketed to end users such as Municipalities, Public Utilities and Original Equipment Manufacturers.

 

 

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