kinds & types of univerasl join

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Kinds of Universal Joint

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Kinds of Universal Joint

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1. Single Joint

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2. Double Joint

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3. Double

Expandable

Joint

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Types of Universal Joints

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I. Cardan/Hooke-type Joint

It consists of two Y-shaped yokes anda cross piece (spider). The horizontal

arms for example are connected to

the drive shaft and the vertical armsare connected to the driven shaft.

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Parts of Cardan/Hooke- type Joint

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II. Ball & Trunnion Joint

Consists of a ball type head which isfastened to one end of the propeller

shaft. A pin is also pressed through

this end of shaft. Two steel balls arefitted at the end of this pin. The joint

facilitates rotary motion through ball

and pin. The balls can also moveaxially.

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Parts of Ball & Trunnion Joint

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III. Constant Velocity Joint

allows a drive shaft to transmit powerthrough a variable angle, at constant

rotational speed, without an

appreciable increase in friction.