Torsion angle

Posted in: , on 28. Jan. 2008 - 09:58

Dear all,

I need clarification regarding torsion angle.

In text book torsion angle is explaining that one end is rigidly fixed another end is giving load.In this we can visualize theta

where as practical application motor coupled with line(transmitting lengthy shaft)shaft i cannot visualize theta becoz in this while transmitting load line shaft is properly supported at the ends& in between .Since rotatoinal free at both ends will it theta available?


our layout is shaft is coupled to one together in between load is


No of shafts -25,shaft(one shaft) length-1m,In between torque is

transmitted if we used standard formula will that is accepted one? also more than 25 shaft are copuled together and it joining by rigid couplings can we take Length as total length?

Thanks for the replies



Re: Torsion Angle

Posted on 29. Jan. 2008 - 04:21

Your application is leading towards the good old Holzer Table for lineshaft analysis. Methods to develop the table can be found in most of the older mechanical design textbooks.

John Gateley