No unplanned downtime since 1997
2nd Quarter 2014
Hydraulic systems & components
The Indonesian mining company, Bukit Asam is expanding its operations at Tanjung Enim Coal Mine in Sumatra, Indonesia. For 10 new belt conveyors the company deploys 14 Voith TVVS fluid couplings from 55-315 kW.
“We’re very impressed with the performance of the TVVS constant-fill fluid couplings. They’re very easy to maintain – only oil changes are needed – and the reliability is great,” says Kris Tjahajaning Tyas, manager of maintenance planning. The mine operates 24/7, and any equipment downtime means loss of production. In older sections of the mine they’ve been using TVVS on belt conveyors since 1997 without any unplanned downtime. “Proven reliability is why we wanted to have Voith fluid couplings in the new conveyor drives,” adds Tatra Muis, senior manager of maintenance.
The Voith fluid couplings are well suited for use in extreme environments and are completely insensitive to harsh conditions. The fine coal dust in Tanjung Enim Coal Mine has no effect on performance. The couplings dampen torsional vibrations in the driveline and protect it against overload, extending the lifetime of the entire system. Because torque is transmitted by a fluid, the power transmission of the fluid couplings is wear-free, reducing maintenance to a minimum.
Muis and Tyas are happy with the many benefits that the fluid couplings provide. They also appreciate the useful advice and after-sales support from the local Voith team, along with unmatched know-how on the entire drive system. The 13 existing belt conveyors in the mine still rely on TVVS fluid couplings rated from 55 to 500 kW that were installed more than 17 years ago.
For more information contact Terry-Lynn McIntosh, Voith Turbo, +27 (0)11 418 4036, [email protected], www.voith.com
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