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Da 4 3 a 1 2 DD Da

Da 4 3 a 1 2 DD Da

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 18RQ: Describe Dalton's law as it relates to a confined mixture of non-reactive gases.
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A gearbox consists of four gears. Dimension the gearbox for a gear ratio of 18:1. The gear ratio should be as even as possible. In the first stage, module 4, in the second stage module 5. All shafts are in the same plane. Calculate the distance between Da.
Da=45mm
Db=40mm

u=ωin/ ωout= nin/ nout= dout/ din= Mout/ Min= Zout/ Zin
d=m·z)da=m·(z+2)   (top diameters)
df=m·(z-2.5)  (bottom diameters)
tooth limits
z1      z2
13     13-16
14     14-26
15     15-45
16     16-101
17     17-1314
18     18- .......

Da 4 3 a 1 2 DD Da
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