Stocking Critical Spares for Rope Shovels

Posted by Chris Padman on 20 November 2020
Stocking Critical Spares for Rope Shovels
Zemek has supported Rope Shovel operators with stocks of critical spares for decades.  Today the Zemek Mackay warehouse holds the latest generation spares for Komatsu P&H 4100 and CAT Bucyrus 7495 series shovels.  These parts have been continuously upgraded in collaboration with operators and provide the best possible service.  Zemek Mackay holds- ·         Latch bars ·      &nb...
Posted in:Rope ShovelSpare Parts  

Dragline Rigging Repairs -1

Posted by Chris Padman on 2 October 2020
Dragline Rigging Repairs -1
Socket Repairs  Visible indicators
Wear in bore and surrounding area Mushrooming in bushes
Deformation and loss of material in rope groove Risk Accelerated wear in mating components Accelerated rope wear Catastrophic failure   ...
Posted in:Mining FAQ  

Case Study - Rope Shovel Trip Mechanism

Posted by Chris Padman on 14 September 2020
Case Study - Rope Shovel Trip Mechanism
P&H 4100XPC Queensland Coal  A Queensland Coal Mine operates electric rope shovels, these machines suffered frequent production losses to dipper trip mechanism failure.  This had the effect of shutting down the shovels themselves and standing down of the haul truck fleets.  Revised and optimised system components, along with improved alignment overcame the problem.  Challenge
A Queensland Coal mine operated Komatsu P&H 4100XPB/C rope shovels in overburden cle...
Posted in:Mining FAQ  

Case Study: Wearite Greaseless Excavator Bushes

Posted on 31 August 2020
Case Study: Wearite Greaseless Excavator Bushes
A NSW Coal Mine operating heavy excavators was suffering down-time due to failure of lubrication lines.  Wearite bushes were fitted to these machines, achieving 10,000hr life and reducing machine down-time.  Industry: Coal Mining                   Product: Wearite Blue Excavator Bushes Challenge A NSW Coal mine operated Hitachi EX3600 and EX5600 excavators as their principal digging equipment.  These machines had for yea...
Posted in:WEARITEMining  

FAQ - Time lost due to lubrication failure in excavators

Posted by Chris Padman on 23 July 2020
FAQ - Time lost due to lubrication failure in excavators
  A. Polymer bushes such as Wearite can replace lubricated steel bushes in many parts of the excavator mechanism.  These materials are rated to the duty of heavy mining applications and can operate without lubrication.  Wearite users have been able to reduce the number of vulnerable lubrication lines and thus reduce downtime associated with failures in these lines.  Experience in excavators in the 300 tonne + class has shown a trouble-free life over.  Savings are ...
Posted in:Mining FAQWEARITEZEMEK NewsMining  

What our Clients say

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The door is working very well and I can tell you it is much appreciated now we see how trouble free it remains.  & the guys loved fitting the door up with the bushes etc.  It went tog...

Reliance Sasan Mine, India