CTI Gearbox, refurbishment, British Steel
CTI Gearbox, refurbishment, British Steel
British Steel
Project details
Client: | British Steel |
Application: | Overhead track drives |
Gearbox: | CTI |
Reported Problem: | Persistent & frequent failures of geared components & bearing journals |
Considerations: | Thin wall SG iron gear case. Some shock loadings. Some mis-alignment. |
Brief: | Graph gears to ascertain optimum contact. Manufacture replacement gears to upgraded specification. EN19 flame hardened. Refurbish gear unit introducing EN24T bearing sleeves. |
Result: | Improved working practices, OEM bearings & reversed engineered parts now see MTBF increased to over 18 months |
Unit in-situ
Gear unit fitted to hook assembly
Gear running condition
Modifications
Modification proposal
Replacement gears
Unit as Received
Worn bearing journal & pinion
Completed refurbishment
Refurbished gear units with new gears & bearing bushes