Design of Machine Elements - 2 - Mechanical Engineering (MCQ) questions and answers for Q. 11764

Q.  What is the shortest distance between worm gear and axes of the worm for a worm gear pair designated as 2/40/10/8?
- Published on 19 Oct 15

a. 50 mm
b. 200 mm
c. 320 mm
d. 360 mm

ANSWER: 200 mm

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    Discussion

  • Sravanthi   -Posted on 01 Oct 15
    Shortest distance between worm gear and axes of worm is called as centre distance. Therefore centre distance is calculated by the formula:

    Formula: 1) Centre distance = (dw + dg) / 2
    2) dw = m·q and dg = m·zg

    Substituting the given values we get,

    dw = 80 mm and dg = 320

    Therefore,
    centre distance = ( 80 + 320) / 2
    = 200 mm

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