Machine Design
For hardening alloy steels and high speed steels, they are heated to

700 to 900°C
500 to 600°C
1300 to 1500°C
1100 to 1300°C

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Machine Design
When a belt drive is transmitting maximum power,

Effective tension is equal to centrifugal tension
Driving tension on tight side is twice the centrifugal tension
Driving tension on slack side is equal to centrifugal tension
Effective tension is half of centrifugal tension

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