Claculating force of arbor press

[xdoug92000]

How would one go about calculating the applied force of an arbor press assuming one knows the input torque to the pinion?

 

[Timelord]

The input torque divided by the pinion pitch radius should give you the force on a simple gear and rack arbor press. Keep your units consistant.

Timelord

 

[tbuelna]

xdoug92000,

Don't forget to account for mechanical (friction) losses at the bearing points.

Regards,
Terry

 

[Pressed]

Does your press have it's leverage ratio printed or stamped into it's name-tag? If it was for example, 25:1 then for every one unit input there would be 25 units of output.

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[Warpspeed]

An easier way to do it might be to just measure the direct motion ratio.

Lever travel divided by actual measured stroke.

 

[BillPSU]

Hang a five pound(kilo) weight from the arm and measure delivered force. You will need to know how far out the weight is positioned.