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Hope you are doing good and enjoying your weekend. I have a question regarding calculation of torque and tilting moment for a slew drive. Slew drive (motorised) will be used at the base of a manipulator arm to facilitate the arm rotation in 360°. image here.

For tilting moment : (the mass of each part of manipulator arm) * (perpendicular distance between CG of each part and axis of rotation) (as shown in image)

For operating torque : I am not quite sure how to calculate that because torque is also mass of each part * perpendicular distance between CG and axis of rotation. Then I thought that acceleration torque itself is the operating torque in my case (please correct me if I am wrong).

There is no existing slew drive on the manipulator so I have no reference point.

Could someone please guide me with the formula for calculating operating torque and holding torque for a slew drive based on the image shown?

Thank you for your valuable time and info. Have a great sunday :)

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