Question

A pair of straight bevel gears consists of 28 teeth pinion meshing with 42 teeth gear having module 5 mm. The pitch cone distance will be
Options
210 mm
126.19 mm
175 mm
140 m​

Answer 1

Answer:

50 is yours answers ...

Answer 2

Answer:

The pitch cone distance is 126.19mm.

Explanation:

Given:

Diameter of pinion ($d_{p}$) = 28, diameter of gear ($d_{g}$) = 42, module ($m$) = 5mm

To find:

Pitch cone distance ($D$)

Formula:

$D=\sqrt{(\frac{d_{p} }{2}) ^{2} + (\frac{d_{g} }{2} )^{2}} * m$

Solution:

Substituting the given values in the above formula

$D=\sqrt{(\frac{d_{p} }{2} )^{2} +( \frac{d_{g} }{2}) ^{2}} * m$

$D=\sqrt{(\frac{28}{2}) ^{2} + (\frac{42 }{2} )^{2}} * 5$

$D=\sqrt{14 ^{2} + 21^{2}} * 5$

$D=\sqrt{196 + 441} * 5$

$D=\sqrt{637} * 5$

$D=25.239*5$

$D=126.195$

Therefore, for the given pair of straight bevel gears, the pitch cone distance will be 126.19mm.

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