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MESYS Calculation Software

The load can be defined defining a torque on the pulley and its pretension coming from a belt.

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The direction of torque can either be defined by its sign or by the selection “Shaft is driven”/Shaft is driving”. The positioning of the contact surface is given by an angle of first contact, which starts clockwise from zero on the y-axis, and followed by the wrap angle as shown in the picture below. The pulley diameter can be set straight away or by means of its teeth number and pitch.

A torque will lead to an increase force on one side of the belt and to a decreased force on the other side. This is the correct model in case no tensioning pulley is used.