Gear Geometry and Applied Theory Episode 3 Part 4 pptx
... m (c) 43 · m (c) 21 = (−1) N 3 N 4 · (−1) N 1 N 2 = (N 3 )(N 1 ) (N 4 )(N 2 ) . ( 23. 2.5) Equations ( 23. 2 .4) and ( 23. 2.5) yield ω 4 ω c = 1 −m (c) 41 . ( 23. 2.6) The ratio (ω 4 /ω c ) represents the ... 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...
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 ... February 27, 20 04 1:28 19. 13 Prospects of New Developments 6 13 where E hg and E wg are the center distances between the hob and the worm -gear and between the worm a...
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... 88-C- C 035 ). Litvin, F. L. 19 94. Gear Geometry and Applied Theory. Englewood Cliffs, New Jersey: Prentice Hall, Inc. Litvin, F. L. 1998. Development of Gear Technology and Theory of Gearing. ... Mechanism and Machine Theory, 10(5), 36 5 37 3. Litvin, F. L., & Gutman, Y. 1981. Methods of Synthesis and Analysis for Hypoid Gear Drives of Formate and Helixform. Par...
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Gear Geometry and Applied Theory Episode 3 Part 1 potx
... CB672/Litvin-v2.cls February 27, 20 04 1:28 19.7 Geometry and Generation of K Worms 587 The final expressions for both sides of the right-hand and left-hand worms and the surface unit normals are ... February 27, 20 04 1:28 610 Worm -Gear Drives with Cylindrical Worms Figure 19.12 .4: Area of meshing for a standard worm -gear drive with the ZA (Archimedes) worm (ζ = 0). The quality...
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Gear Geometry and Applied Theory Episode 3 Part 3 ppsx
... 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 = −2d 13 d 23 d 33 sin 2σ (1p) k t + k p = k f + k h + d 2 13 + d 2 23 d 33 . (21.5.28) Equation (21.5. 24) is ... 2σ (g2) = −2c 13 c 23 c 2 23 − c 2 13 − (k g − k u )c 33 k q − k s = −2c 13 c 23 c 33 sin 2σ (g2) k q + k s = k g + k u + c 2 13 + c 2 23 c 33 . (21.6...
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Gear Geometry and Applied Theory Episode 3 Part 5 ppt
... addition 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 1 + N 3 = m (3) c1 . ( 23. 3.5) Using the ... into mesh with gears 1 and 3 [Fig. 23. 3.2(b)] because δ (2) 3 and δ (2) 1 differ from zero. Step 3: To put gear 2 (2) into mesh with gears 1 and 3, it...
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Gear Geometry and Applied Theory Episode 3 Part 6 pps
... (Fig. 25.1.1), 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 ... forging of a gear. Generation of conventional spiral bevel gears and hypoid gears by the CNC 746 P1: GDZ/SPH P2: JXR CB672-26 CB672/Litvin CB672/Litvin-v2.cls Februar...
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Gear Geometry and Applied Theory Episode 3 Part 8 docx
... 262, 40 4, 40 5, 40 8, 42 7, 44 0, 44 1, 44 4, 44 5, 45 0, 45 6, 508, 538 , 656 point (contact), instantaneous, 202, 225, 230 , 242 , 252, 260, 261, 2 64, 40 5, 40 8, 41 4, 42 7, 44 0, 44 1, 44 4, 508, 525, 533 , 538 , 656 Contact ... 30 2 Centrodes circular gears, of, 38 , 45 , 49 , 50, 115, 137 , 211, 2 74, 280, 288, 289, 296, 298, 35 2 noncircular gears, of, 31 8,...
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Gear Geometry and Applied Theory Episode 2 Part 4 pdf
... (u,φ, and m): a 11 u + a 13 m = b 1 a 21 u + a 22 φ + a 23 m = b 2 a 31 u + a 32 φ + a 33 m = b 3 . ( 14. 4. 14) P1: GDZ/SPH P2: GDZ CB672- 14 CB672/Litvin CB672/Litvin-v2.cls February 27, 20 04 0 :39 39 4 ... this point [see Eqs. ( 14 .3. 6)]. The subscript “1” in designations for u 1 , θ 1 , r b1 , ρ 1 , α t1 , and φ 1 has been dropped. Equations ( 14 .3. 5), ( 14 ....
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Gear Geometry and Applied Theory Episode 2 Part 5 pptx
... (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 of the angular tooth thickness on pitch circle of gear 2 E shortest axes distance (Fig. 14. 5.1) F (12,n) normal ... surface (Fig. 14. 4 .3) r b radius of base cylinder (Fig. 14. 4 .4) r o radius of operating pitch cylinder, axode r pi radius of pitch cylinder i (Figs. 14...
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