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Spur Gear Types and Materials

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Questions and Answers

What is the purpose of using a hunting tooth gear ratio in gears?

To reduce the teeth in a pair of meshing gears
To reduce the wear on gears
To distribute the wear more evenly (correct)
To increase the power transmission

What type of gears is the hunting tooth gear ratio used for?

Hardened gears only
Ground gears only
Both hardened and ground gears (correct)
None of the above

What is the formula to compute the design power?

Power to be transmitted / service factor
Power to be transmitted x service factor (correct)
Power to be transmitted - service factor
Power to be transmitted + service factor

What information should be marked on the gear?

Type, module, number of teeth, manufacturer’s name and/or trademark (C) Signup and view all the answers

What is recommended for safety and to avoid foreign materials from getting in contact with the drive?

Enclosing the drive with covers (A) Signup and view all the answers

How often should drive inspection be done?

On a periodic basis (C) Signup and view all the answers

What should be inspected during drive inspection?

Gear wear and tear, lubricant quality, and alignment (A) Signup and view all the answers

What information should be marked on the packaging?

Type, module, number of teeth, manufacturer’s name, trademark and address (D) Signup and view all the answers

What is the purpose of lubricant in gears?

To reduce the wear on gears (D) Signup and view all the answers

What is the purpose of periodic drive inspection?

To inspect gears for wear and tear, lubricant quality, and alignment (A) Signup and view all the answers