A herringbone speed reducer consist of 20 teeth pinion driving a 100 t – McqOptions

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1.	A herringbone speed reducer consist of 20 teeth pinion driving a 100 teeth gear. The normal module of gear is 2mm. The face width of each half is 30mm and Lewis factor is 0.4. If permissible bending stress is 500N/mm², then calculate the beam strength.
A.	15000N
B.	12000N
C.	8000N
D.	10000N
Answer» C.

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