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Categories  >>  Engineering  >>  Mechanical Engineering
 
 
 
Question 
what is the significance of pressure angle in spur gear?
What is meant by self locking in worm and worm gear?
 Question Asked At ::
 Question Submitted By :: pravin
I also faced this Question!!     Rank Answer Posted By  
 
Answer
 
This is correction for Karthick's answer:

TAN of the lead angle should be less than the coefficient 
of friction, then self-locking occurs

 		 Totallamp
 
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