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. Calculate the material constant K if surface hardness is 400BHN.
A. 1.25 N/mm²
B. 4.05 N/mm²
C. 3.25N/mm²
D. 2.56N/mm
Answer:C
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. Calculate the material constant K if surface hardness is 400BHN.
A. 1.25 N/mm² B. 4.05 N/mm² C. 3.25N/mm² D. 2.56N/mm