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Using Flexible Shafts

Using Flexible Shafts

Using Flexible Shafts

(OP)
Hi fellows,

I am working on design of a servo mechanism that needs shifting the rotation axis from one axis to another parallel one. I wonder If flexible shaft can be used to transmit the motion. Are flexible couplings precise in transmitting the motion or there is significant backlash or dead-zone between input and output angles? I need accuracy of less than 1 degree.

The motion is bidirectional. The mechanism should work in high temperature (300C). The speed and torque is relatively low and mechanism is used to positioning a vane.

P.S: What is the main difference between the flexible shaft and the universal shaft?

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