WORMS AND KEYS - Quiz

1) Which gear drive is used to connect 'two non-parallel, not intersecting shafts' right angles to each other

Helical Bevel Spur Worm and worm wheel

2) Calculate the 'Lead of worm' its module is 2 mm and single start.

6.28 2 3.14 1

3) What is ?Lead of worm/?d? in worm calculations?

Lead of worm Lead angle of worm Length of worm Tooth thickness

4) What is 6 in spline designation ?6 x 28 x 34?, IS:2327?

Inner diameter Number of keys Outer diameter Diametral pitch

5) Which is used to measure chordal thickness of the gear teeth?

Outside micrometer Inside micrometer Depth micrometer Flange micrometer