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Module 6: Motion transmission

20247m

Describe Belt transmission: Component, application, advantage and disadvantage.

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Answer

Belt Transmission

Components: Driving pulley, driven pulley, belt (flat, V, timing) tensioned, idler.

Working: Friction (or teeth for timing) transmits motion. Velocity ratio i=N1/N2=D2/D1i = N_1/N_2 = D_2/D_1.

Advantages: Low cost, quiet, distance transmission, overload slip protects, damping.

Disadvantages: Slip/creep, limited power, tension maintenance, temperature sensitive, not precise.

Applications: Conveyor, robot wrist belt drive, 3D printer timing belt, fan.

Final: Belt pulley friction/timing transmission i=D2/D1i=D_2/D_1, cheap quiet but slip.

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