Mechanical Engineering Exam > Mechanical Engineering Questions > Tumbler gears area)bevel gears having the sam...
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Tumbler gears are
- a)bevel gears having the same module
- b)gears in lathe machine used for reversing the direction of rotation of driven gears
- c)gears in lathe head stock used to reduce the speed of spindle
- d)pair of gears in a machine that serves to connect the dividing head with table movement
Correct answer is option 'B'. Can you explain this answer?
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Tumbler gears area)bevel gears having the same moduleb)gears in lathe ...
Tumbler gears in a lathe machine
Explanation:
Tumbler gears are a crucial component in a lathe machine that is used to reverse the direction of rotation of driven gears. These gears are typically located in the gearbox of the lathe machine and are responsible for changing the direction of rotation of the spindle.
Function of tumbler gears:
The main function of tumbler gears is to allow the lathe machine to perform operations such as thread cutting, where the direction of rotation of the workpiece needs to be reversed. By engaging the tumbler gears, the operator can reverse the rotation of the gears, resulting in the reversal of the workpiece's rotation.
Working mechanism:
The tumbler gears consist of a pair of gears that are mounted on a shaft. These gears are usually of the same module, meaning they have the same pitch diameter and tooth size. When the lathe machine is in operation, the gears are engaged with the driven gears, which are connected to the spindle.
Engaging the tumbler gears:
To reverse the direction of rotation, the operator needs to disengage the spindle from the powered gears and engage it with the tumbler gears. This is typically done by shifting a lever or engaging a clutch mechanism. Once the tumbler gears are engaged, the rotation of the spindle is reversed, causing the workpiece to rotate in the opposite direction.
Applications:
The use of tumbler gears in a lathe machine is essential for various operations, including thread cutting, knurling, and reverse turning. These operations require the workpiece to rotate in the opposite direction, and the tumbler gears enable this functionality.
In summary, tumbler gears are bevel gears in a lathe machine that are used to reverse the direction of rotation of the driven gears. They play a crucial role in enabling operations such as thread cutting and allow for versatility in the lathe machine's functionality.
Explanation:
Tumbler gears are a crucial component in a lathe machine that is used to reverse the direction of rotation of driven gears. These gears are typically located in the gearbox of the lathe machine and are responsible for changing the direction of rotation of the spindle.
Function of tumbler gears:
The main function of tumbler gears is to allow the lathe machine to perform operations such as thread cutting, where the direction of rotation of the workpiece needs to be reversed. By engaging the tumbler gears, the operator can reverse the rotation of the gears, resulting in the reversal of the workpiece's rotation.
Working mechanism:
The tumbler gears consist of a pair of gears that are mounted on a shaft. These gears are usually of the same module, meaning they have the same pitch diameter and tooth size. When the lathe machine is in operation, the gears are engaged with the driven gears, which are connected to the spindle.
Engaging the tumbler gears:
To reverse the direction of rotation, the operator needs to disengage the spindle from the powered gears and engage it with the tumbler gears. This is typically done by shifting a lever or engaging a clutch mechanism. Once the tumbler gears are engaged, the rotation of the spindle is reversed, causing the workpiece to rotate in the opposite direction.
Applications:
The use of tumbler gears in a lathe machine is essential for various operations, including thread cutting, knurling, and reverse turning. These operations require the workpiece to rotate in the opposite direction, and the tumbler gears enable this functionality.
In summary, tumbler gears are bevel gears in a lathe machine that are used to reverse the direction of rotation of the driven gears. They play a crucial role in enabling operations such as thread cutting and allow for versatility in the lathe machine's functionality.
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Tumbler gears area)bevel gears having the same moduleb)gears in lathe machine used for reversing the direction of rotation of driven gearsc)gears in lathe head stock used to reduce the speed of spindled)pair of gears in a machine that serves to connect the dividing head with table movementCorrect answer is option 'B'. Can you explain this answer?
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