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Conference Proceedings

The AusIMM Proceedings 1969

Conference Proceedings

The AusIMM Proceedings 1969

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Selection, Commissioning, and Operation of The Friction Winder at Cobar Mines

The specification for tender nominated the requirements for ore hoisting and servicing; this showed that one common duty winder could be selected. Foliowing the design of the shaft layout, the merits of fixed or rope guides were compared and the latter selected.The specification called for the supply and installation of the complete hoisting system. Construction of the winder tower and shaft bottom steel work had to proceed while mine development was in progress using the sinking winder and headframe. Guide ropes, winder ropes, and the sky shaft were installed in the shortest possible time, and as the shaft was not equipped with ladder-ways, a second means of access had to be provided.Very few problems were encountered witll the commissioning of the winder, and in the first 2 years of operation the only significant modification was to the circuitry associated witll the moving access platforms.Hoist rope tension checking and adjustment are simple, and non-destructive testing has shown no deterioration of these ropes. The operation of the balance ropes has been very satisfactory but cleaning presented problems in the early stages. Guide ropes have been trouble free and require minimum attention.Normal wear on the PVC rope groove inserts on the winder drum has been negligible.Since the commissioning on fully automatic control, the winder has operated with very few, minor delays.
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  • Selection, Commissioning, and Operation of The Friction Winder at Cobar Mines
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  • Published: 1968
  • PDF Size: 0.951 Mb.
  • Unique ID: P_PROC1969_1205

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