Gear Geometry and Applied Theory Episode 3 Part 5 ppt

... as P l =  (c) M 1 (ω 1 − ω c ). ( 23. 5. 5) Equations ( 23. 5 .3) , ( 23. 5. 4), and ( 23. 5. 5) yield η (3) 1c = 1 − ψ (c)  N 3 N 1 + N 3  . ( 23. 5. 6) P1: JXR CB672- 23 CB672/Litvin CB672/Litvin-v2.cls ... to Eqs. ( 23. 3.1) to ( 23. 3 .3) , we use equation N 2 = N 3 − N 1 2 ( 23. 3.4) obtained from Fig. 23. 2.4, and the equation [see Eq. ( 23. 2.12)] ω c ω 1 = N 1 N...

Ngày tải lên: 08/08/2014, 12:21

... of equations (21 .3. 13) and (21 .3. 14) or (21 .3. 13) and (21 .3. 16) enables us to represent  (a) 2 in two-parameter form as R (a) 2 (θ g ,ψ 2 ) = r (a) 2 (s g (θ g ,ψ 2 ),θ g ,ψ 2 ). (21 .3. 17) Similar ... R u ± P w 2 2 . (21 .3. 9) The upper and lower signs in Eqs. (21 .3. 8) and (21 .3. 9) correspond to the concave and convex sides of the gear tooth surfaces, respectively....

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... mechanism shown in Fig. 23. 2 .3 is designed with two pairs of gears, 1–2 and 3 4, being in internal meshing. Gear 1 is fixed, planet gears 2 and 3 have a joint Figure 23. 2 .3: Planetary gear train with internal ... mechanisms of Figs. 23. 2.2 and 23. 2 .3. The gear ratio m (c) 14 is negative for a planetary gear mechanism with mixed-type meshing of gears 1–2 and 3 4, as...

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... for Industry, 96, 33 0 33 4. Litvin, F. L., Krylov, N. N., & Erikhov, M. L. 19 75. Generation of Tooth Surfaces by Two- Parameter Enveloping. Mechanism and Machine Theory, 10 (5) , 36 5 37 3. Litvin, F. ... Synthesis and Analysis for Hypoid Gear Drives of Formate and Helixform. Parts 1, 2, and 3. ASME Journal of Mechanical Design, 1 03( 1), 83 1 13. Litvin, F. L., & T...

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... circle of gear 1 (Fig. 14 .3. 2) θ, θ 1 , and θ 2 surface parameter of the screw involute surface (Figs. 14 .3. 2 and 14 .3. 3) φ, φ 1 , and φ 2 angle of gear rotation (Figs. 14.4.1 and 14 .5. 1) η 2 half ... screw and plunging motions of the disk and the pinion. The generation of a double-crowned pinion tooth surface is illustrated in Fig. 15. 5 .3 and is accomplished as f...

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... cylinder is r po = r p + 1.25m ax = 56 mm; ρ = 46 mm; γ c = λ p = 14 ◦ 37  15  ; α n = 20 ◦ ; a = r p + ρ sin α n = 61. 733 mm; b = ρ cos α n = 43. 226 mm. 19.9 GEOMETRY AND GENERATION OF F-II WORMS ... E c cot α c cos θ c − pψ −a. 19.8 GEOMETRY AND GENERATION OF F-I WORMS (VERSION I) F worms with concave–convex surfaces have been proposed by Niemann and Heyer (19 53 ) and...

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... Contact and bending stresses for the pinion for design case 1a. (Ave. Crit.: 75% ) S, Mises +3. 653 e+06 +1.746e+01 +1.167e+ 05 +2 .33 3e+ 05 +3. 50 0e+ 05 +4.667e+ 05 +5. 833 e+ 05 +7.000e+ 05 +8.167e+ 05 +9 .33 3e+ 05 +1. 050 e+06 +1.167e+06 +1.283e+06 +1.400e+06 Bending ... equations are applied: tan 2σ (1p) = −2d 13 d 23 d 2 23 − d 2 13 − (k f − k h )d 33 k t − k p...

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... and y 1 (u c ,θ c ,ψ) + z 1 (u c ,θ c ,ψ) tan λ p = 0. ( 25 .3. 3) Equations ( 25 .3. 1) and ( 25 .3. 3) yield F (u c ,θ c ,ψ) = 0. ( 25 .3. 4) The system of Eqs. ( 25 .3. 2) and ( 25 .3. 4) represents two relations for the set ... λ p . ( 25. 4 .30 ) The range of ψ and θ c for determination of x  1 and z  1 is determined with Eqs. ( 25. 2.6) and ( 25. 2.7). The upper fille...

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... revolution, 55 57 , 679 Hypocycloid extended, 30 4, 30 7, 30 8, 31 1, 31 2, 31 4, 31 6, 35 2, 35 3, 35 5 ordinary, 35 3, 35 4 pseudo, 30 4, 30 7, 30 8 Hypoid gears, 679 face-hobbed, 6 85, 687, 689 face-milled, 6 85, 686, ... 718, 721 Helix (on a surface), 1 63, 1 75, 37 6, 37 7, 38 0, 38 8, 39 6, 54 7 55 0, 5 53 , 55 5, 56 9, 5 73, 57 4, 57 8, 680 Helix angle,...

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... 13. 2.1: Generation of extended epicycloid. 35 1 P1: GDZ/SPH P2: GDZ CB672- 13 CB672/Litvin CB672/Litvin-v2.cls February 27, 2004 0 :36 13. 5 External Pin Gearing 35 9 Figure 13. 4 .5: Centrodes of gears ... Y 1 =−r 1 cos φ 1 . ( 13. 5 .3) P1: GDZ/SPH P2: GDZ CB672- 13 CB672/Litvin CB672/Litvin-v2.cls February 27, 2004 0 :36 35 8 Cycloidal Gearing Figure 13. 4 .3: Lines of actio...

Ngày tải lên: 08/08/2014, 12:21