Calculating Gearbox Torque for Rotating a 500kg Load with a Handwheel Setup

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The discussion centers on calculating the torque required to rotate a 500 kg load using a gearbox and a handwheel setup. The user, Raj, applies the formula Torque = Force x Perpendicular Distance x Coefficient of Friction, arriving at a torque value of 2800 Nm. However, forum members point out potential inaccuracies in the application of the coefficient of friction and question the appropriateness of the handwheel setup depicted in the attached image. Clarification on the actual setup is recommended for accurate assistance.

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Rajashekar
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Hi team
In my one of the application I have to use the gear box to rotate 500 kg load
I have to use handwheel to rotate
I am using the formula
Torque= force x per. Distance x coefficient of friction
= 500x.7x.8 : 2800 Nm
Is it correct to calculate the torque
I have attached the image for clarity could you please help

Thanks in advance
Regards
Raj
 

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Rajashekar said:
Hi team
In my one of the application I have to use the gear box to rotate 500 kg load
I have to use handwheel to rotate
I am using the formula
Torque= force x per. Distance x coefficient of friction
= 500x.7x.8 : 2800 Nm
Is it correct to calculate the torque
I have attached the image for clarity could you please help

Thanks in advance
Regards
Raj
Your use of coefficient of friction seems incorrect. Moreover you have mentioned that a hand-wheel would be used for rotation but the figure shows something far different from a hand-wheel setup. If you can sketch the actual setup, take a pic of it and post it then it will be easier to answer your question.
 
benny_91 said:
Your use of coefficient of friction seems incorrect. Moreover you have mentioned that a hand-wheel would be used for rotation but the figure shows something far different from a hand-wheel setup. If you can sketch the actual setup, take a pic of it and post it then it will be easier to answer your question.
Hi Benny
Thanks for your reply
I have attached the image for your understanding
The gearbox is mounted to a block
The block has a guide rod and that swivels when gearbox is operated
The gearbox is a double reduction gearbox
 

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