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How gear tests were performed
It's all in Gears Accuracy
The accuracy grade of a gear can basically be considered as the combination of all tolerance limits, the deviations from the absolute perfection of the main features of the gear teeth.
International standards ISO and DIN has deemed it essential to qualify the range of such tolerance limits. The accuracy of these components using progressive number from 1 to 12.
ISO and DIN GEAR CLASS
Class 1 is the most accurate Class 12 is the least accurate
Higher gear class can generate demand of current up to 35% more
Class 5 Gear
TEST PERFORMED ON WENZEL MEASURING MACHINE
Higher Efficiency
Lower Noise
Lower Backlash
Class 8 Gear
TEST PERFORMED ON WENZEL MEASURING MACHINE
Lower Efficiency
Higher Noise
Higher Backlash
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