The positive linkage among chain and gear wheel allows for constant speeds even with torque fluctuations and very good reproducibility of speeds. Standard variable gear products force the 
transmission element by applying excessive force – this is unnecessary and decreases the degree of efficiency.
Adjustable chain drives apply a lever system, which applies only as much strain on the slat chain as necessary. This outcomes in low operating temperatures, extended life, high power density and an excellent efficiency – even in the PIV CHAIN CONVERTORS Variable Chain Drives partial load range.
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