what is the significance of pressure angle in spur gear?
What is meant by self locking in worm and worm gear?

Answer Posted / asma aslam

pressure angle in gear set is defined as the angle between
the line of action (common normal) and the line
perpendicular to the line of center.pressure angle rotated
in the direction of driven gear.
Significance:
increase of pressure angle
1-reduction in the danger of undercutting and interference
2-reduction of slipping speed
3-increase rigidity of toothing

Is This Answer Correct ?    8 Yes 6 No



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