Example 8-2 Fig 8-10 shows a planetary gear train, in which the numbers of teeth of gears are z₁-100, z₂-101, Z₂-100, z3-99 .Determine the gear ratio İH1- 2'- 2 H Fig. 8-10 Train with two pairs of external gears (双排外啮合周转轮系)

Example 8-2 Fig 8-10 shows a planetary gear train, in which the numbers of teeth of gears are z₁-100, z₂-101, Z₂-100, z3-99 .Determine the gear ratio İH1- 2'- 2 H Fig. 8-10 Train with two pairs of external gears (双排外啮合周转轮系)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Power Transmission Elements

It is defined as the energy transfer from one location to another location. The energy will start moving from the energy generation source to the energy applied position to obtain the work output. From this method, a large amount of electric energy moves from the power station to various electrical substations.

Question

Example 8-2 Fig 8-10 shows a planetary gear train, in which the numbers of
teeth of gears are z₁-100, z₂=101, Z₂-100, z3-99 .Determine the gear ratio iH1-
2'
2
H
Fig. 8-10 Train with two pairs of external gears
(双排外啮合周转轮系)
3

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3.[填空题] For a pair of standard gears, the module is m=2.5mm, pressure angle is a=20 °. h,*=1. c*=0.25. The teeth number on gear 1 is z1=22. The standard center distance is a=68.75mm. Find the following parameters of gear 2: the teeth number, z2 = ( ) %D the diameter of reference circle, d2= Omm the diameter of addendum circle da2 =( Omm the diameter of dedendum circle df2 =( )mm
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A compound shaft drives three gears, as shown. Segments (1) and (2) of the compound shaft are hollow bronze [G= 6,500 ksi] tubes, which have an outside diameter of 2.15 in. and a wall thickness of 0.2100 in. Segments (3) and (4) are solid 1.00-in.-diameter steel [G= 11,500 ksi] shafts. The shaft lengths are L₁ = 78 in., L₂ = 12 in., L3 = 20 in., and L4 = 26 in. The torques applied to the shafts have magnitudes of TB = 990 lb-ft, Tp = 450 lb-ft, and TE = 160 lb-ft, acting in the directions shown. The bearings shown allow the shaft to turn freely. Using the sign convention presented in Section 6.6., calculate: (a) the magnitude of the maximum shear stress in the compound shaft. (b) the rotation angle of flange C with respect to flange A. (c) the rotation angle of gear E with respect to flange A. TB TD (1) TE (3) Answer: (a) Tmax (b) DC/A = (C) ΦΕΙΑ = LI (2) B psi rad rad C L3 D (4) LA E -X