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Machine Drawing with AutoCAD by Goutam Ghosh, Goutam Pohit

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Chapter 7

Keys, Cotter Joints, Pin Joints

Chapter Outline

 

Key, cotter, and pin are employed as temporary fasteners to join two components to transmit motion and forces from one element to another. Perhaps the most common of these motion-transmitting connections are keys. Keys are usually driven parallel to the axis of the shaft that are subjected to torsional motion. Cotters are normally driven at right angles to the axes of the connected parts.

KEY JOINTS

The major function of keys is to prevent relative rotation between the members connected by keys and keyways, for example, motor shaft and pully, gears, couplings crank, crankshaft and so on. In addition ...

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