The Surface Engineers

Heavy duty machines and vehicles

Excavators, mining and road repair equipment, agricultural machines and military vehicles and many more large and small machines are running under very challenging environmental conditions. Dirt, dust and slurries, changing temperatures, wet and dry weather, longer times of standstill or 24/7 operations demand a lot from the components used in the mechanical assemblies. From a distance, such equipment looks very robust. However, at a closer look there is a lot of precision mechanics to be seen.

External forces cause wear

The external conditions bring hard particles into the tribological systems and cause 3 body abrasive wear. The surfaces of the precision mechanics show undesired wear levels that cause equipment downtimes due to frequent servicing or unexpected failure. Tribobond™ wear resistant coatings offer the desired protection. Their hardness is several times higher than that of steel or hard chrome plated surfaces. With their thickness of only a few µm they can be applied onto most existing components without the need to re-engineer. When designed into new equipment, cost savings can often be achieved as the components can be downsized and expensive electroplating with post machining steps eliminated.

Low friction coatings

Vehicles and machines that have been standing still over longer periods of time often suffer from excessive wear when put into operation again. Oil films on engine components, in gearboxes, running gear and actuators are very thin and take a while to build up to the desired strengths for full lubrication. Tribobond™ 40 series low friction DLC coatings have excellent dry running properties and protect mating surfaces from wear until the full lubrication is restored. They also act as a safety net in case of unexpected loss of lubrication fluids or oil pump failure.

Val Lieberman

Segment Head Components
Phone: +41 62 287 85 60

 

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