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A worm gear set gives a reduction of 20:1, and has a helix angle of 15°. The center distance is 4.9138 in. and the norma
Posted: Thu May 05, 2022 6:10 pm
by answerhappygod
- A Worm Gear Set Gives A Reduction Of 20 1 And Has A Helix Angle Of 15 The Center Distance Is 4 9138 In And The Norma 1 (117.61 KiB) Viewed 31 times
A worm gear set gives a reduction of 20:1, and has a helix angle of 15°. The center distance is 4.9138 in. and the normal diametral pitch Pdn is 5. Find suitable number of teeth for gear. N₁P Axial pitch of worm = cir. pitch of wheel, P₂ Lead of worm L=N₁ P₂ d₂ (a) Worm 20 40 2 2 P #1 P₁ Pn sin X d₁= N₁ P₁1 (b) Developed pitch cylinder of worm 1+ ²d²N = 7