Contact us at

Our 24×7 Helpline

+1 866 398 2788

Contact us at

Our 24×7 Helpline

+1 866 398 2788

Mining and Tunneling

No matter whether you are in surface, strip or underground mining or whether you are digging tunnels: The heavy duty equipment that you use has to operate like clockwork, day in day out. You ensure this by regularly carrying out preventive maintenance and by monitoring the performance of your machinery. And should a breakdown or unforeseen stoppage occur, then you want to act as early and as fast as possible to minimize downtime and losses.

QuantiServ has been supporting the mining and tunneling industries for a number of years with fast, flexible and reliable maintenance and repair solutions. Our customers include large and small mining companies and construction firms across four continents.

Dragline used for strip mining

Our engineers and technicians are well trained and experienced on a wide variety of rock excavation and processing equipment and they are usually available at short notice, particularly in emergency situations. We are very responsive and are ready to serve you out of fifteen locations across the globe.

Read more about the services that QuantiServ provides to mining and tunneling companies all over the world by clicking on one of the links below.

In-Situ Machining

Repairing a machinery component in-situ can save a very significant amount of time and money while restoring full functionality and reliability.

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Metal Stitching & Welding

Often, broken parts such as frames and casings can be repaired in-situ by metal stitching or by specialized welding without dismantling.

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Deutz High-Speed Engines

QuantiServ is the sole authorized service and parts dealer for Hong Kong and Macau, offering new parts, new engines and field service.

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Epoxy Resins

QuantiServ’s engineers have accumulated a wealth of experience in using epoxy resins to a wide range of equipment.

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Alternator Cleaning

QuantiServ’s engineers excel in in-situ cleaning of alternators and large electro motors in a very safe and efficient way.

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White Metal Bearings

We carry out static and centrifugal re-babbitting services for any kind of white metal bearings at our workshops.

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Case Studies

Our technicians recently repaired a crack in a dragline spurgear in an American lime stone quarry.  All of the repair work was carried out in-situ. There was no dismantling required at all, leading to huge savings in equipment downtime.

A dragline excavator in a limestone quarry in Florida
A dragline excavator in a limestone quarry in Florida
A gear wheel attached to the hoisting reel was found cracked.
Crack location at the spur gear wheel
Crack location at the spur gear wheel
Installation of a very strong, large lock at the horizontal top face of the spoke
Installation of a very strong, large lock at the horizontal top face of the spoke
Locks are always installed perpendicular to the crack. They add extra strength.
Locks are always installed perpendicular to the crack. They add extra strength.
The spur gear after successful repair; stitching pins and locks were installed.
The spur gear after successful repair; stitching pins and locks were installed.

The following photos show the re-babbitting and subsequent machining of a very large trunnion bearing from a mine in Canada:

Static re-babbitting with White Metal
Static re-babbitting with White Metal
Machining on a CNC vertical lathe
Machining on a CNC vertical lathe
Reconditioned trunnion bearing
Reconditioned trunnion bearing

Image Gallery

Trouble shooting a drill's engine in a subway tunnel in Hong Kong
Trouble shooting a drill's diesel engine in a subway tunnel in Hong Kong
Metal stitching a crack inside the eccentric shaft of a dragline's walking mechanism in a mine in North America
Metal stitching a crack inside the eccentric shaft of a dragline's walking mechanism in a mine in North America
Metal stitching a radial crack in a ball mill cover in a North American iron ore mine
Metal stitching a radial crack in a ball mill cover in a North American iron ore mine
Coal mill rollers awaiting reconditioning (robotic welding, followed by machining) at QuantiServ Genoa
Coal mill rollers awaiting reconditioning (robotic welding, followed by machining) at QuantiServ Genoa
New excavator buckets being produced at QuantiServ in the Netherlands
New excavator buckets being produced at QuantiServ in the Netherlands
Pedestal bearing after reconditioning at QuantiServ Canada
Pedestal bearing after reconditioning at QuantiServ's workshop in Vancouver, Canada
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