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Formula - Centre distance
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Design of Machine Elements - 2
Q. The shortest distance between worm gear and axes of the worm is given as ______________
- Published on 23 Sep 15
a.
m (z
w
+ z
g
) / q
b.
m (z
w
+ z
g
) / 2
c.
m (q + z
g
) / 2
d.
√m (q + z
g
) / 2
ANSWER: m (q + z
g
) / 2
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Discussion
Sravanthi
-Posted on 01 Oct 15
• The centre distance between axes of worm and worm gear is calculated using the formula [m (q + z
g
) / 2], where q is the diametral quotient, z
g
= number of teeth on pinion and m = module.
• The centre distance should be equal to 1 / 2 of pitch diameter of worm gear plus 1 / 2 of pitch diameter of worm.
Centre distance should be kept more, if desired centre distance cannot be maintained
➨
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