February 14, 2020
Update regarding the impacts of coronavirus on GGB Suzhou, C
On Feb 12th, GGB China received local government approval for re-opening after successfully...
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GGB Composite Bearing Design with Improved Tribology and Machinability for Aggressive Applications
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Variable Speed Fan Drives are used on agriculture equipment to regulate the ventilator’s fan speed according to the demand from the engine to supply the appropriate cooling which maximizes engine efficiency.
To vary the speed, a rubber belt driving the fan runs around a split pulley whose pitch diameter can be adjusted by the separation of the two halves of the pulley. Two plain bearings support and facilitate the linear movement of one of the pulley halves.
The bearings are exposed to operating temperatures from -40°C at a cold winter start to continuous operation at +130°C. With their excellent wear and temperature resistance HI-EX® plain bearings delivered optimal service life in this demanding application.
HI-EX® plain bearing structure is comprised of a steel backing with a porous bronze sinter interlayer and a pin indented sliding layer comprised of low friction PTFE (polytetrafluoroethylene), PEEK (polyether ether ketone) and other performance enhancing fillers.
The benefits gained from using HI-EX® plain bearings are:
Crop Sprayer Boom Arms
Crop Sprayer Steering Kingpins
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