Numerical - Dynamic factor, given sum of errors

Q.  What is the deformation or dynamic factor if sum of errors on meshing teeth of steel pinion and gear is 32 x 10-3 mm?
- Published on 19 Oct 15

a. 284.8 N/mm
b. 300.23 N/mm
c. 320.5 N/mm
d. 368 N/mm

ANSWER: 368 N/mm

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    Discussion

  • M.waqas   -Posted on 09 Aug 17
    Really good page
  • SATYAM    -Posted on 28 Sep 16
    For steel and pinion gears tooth form factor (K) is 0.111 and modulus of elasticity for pinion and gear is 207 x 103 N/mm2.
    Substituting these values in formula for deformation factor

    C = K.e [(Ep x Eg ) / (Ep + Eg )]
    C = 11500e

    Therefore substituting value of e = 32 x 10-3, we get
    C = 368 N/mm
  • RAHMATALI   -Posted on 04 Aug 16
    Hiii
  • Sravanthi   -Posted on 25 Sep 15
    For steel and pinion gears tooth form factor (K) is 0.111 and modulus of elasticity for pinion and gear is 207 x 103 N/mm2.
    Substituting these values in formula for deformation factor

    C = K.e [(Ep x Eg ) / (Ep + Eg )]
    C = 11500e

    Therefore substituting value of e = 32 x 10-3, we get
    C = 368 N/mm

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