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Draw neat labeled sketches of Acme and square thread profile and state its relative characteristics.

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Question: 

Draw neat labeled sketches of Acme and square thread profile and state its relative characteristics.

Answer: 

 

Characteristics of Acme thread : (i)thread angle is 290 (ii) permit the use of split nut (iii)easy to manufacture (iv) max. bursting pressure on the thread Characteristics of Square thread : (i) zero profile thread angle (ii) minimum bursting pressure on the nut