Friction and Lubrication in Mechanical Design Episode 2 Part 13 pot

... minimum film thickness, 351 laws of, 25 1 coating thickness factor, 27 9 elastohydrodynamic, 25 3 hydrodynamic, 25 2 film thickness, 25 2, 25 4, 25 5 Rolling friction, 25 1 Rolling/sliding, ... regimes, 26 6 rolling, 27 1 in thermal regime, 27 2 transition coefficient, 27 1 unlayered surfaces, 30 1 in gears, 4 32 14, 25 6 -25 9 Frictional noise, 423 Fricti...

Ngày tải lên: 05/08/2014, 09:20

... (N/m2) x 106 (N/m2) 1 2 3 4 5 6 7 8 9 10 11 12 13 0. 025 1 0.0361 0. 025 1 0.036 1 0. 025 1 0.036 1 0 .2 198 0 .2 198 0 .2 198 0.031 I 0.031 1 0 .26 49 0 .26 49 3. 72 ... 7 Friction and Lubrication in Rolling/Sliding Contacts 7.1 ROLLING FRICTION The frictional resistance to rolling in dry conditions was extensively inves- tigat...

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... in. 2. 5658 in. 2. 5637 in. 2. 5 620 in. 0.5766 in. 0.659 in. 12 0.1719 in. 0.3 0.0 021 in. 0.0038 in. Brass Mild steel 8-10 pin rms (10.99947 cm) (4.99 922 8 cm) (2. 6 924 cm) ... condition (2) = 0 .25 (2) = 0.50 (2) = 0.75 I. Uniform thickness and external loading 73,456.4 70,378.9 50,506.1 2. Uniform thickness and internal loading 27 2...

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... data: h2 = 0.000 6in. , m = 0.000 9in. /in. , 18 spm, SAE 5 oil, 25 °C. at four different instances in time, as indicated by (a), (b), (c), and (d) in Fig. 13 .20 . The corresponding instantaneous ... Figure 13 .24 m = 0.001 1 in. /in. , SAE 20 oil, 25 °C. Pressure-speed characteristic of slider bearing: h2 = 0.0010 in. , steel plate and the loadin...

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... coating thickness factor, 27 9 elastohydrodynamic, 25 3 hydrodynamic, 25 2 film thickness, 25 2, 25 4, 25 5 Rolling friction, 25 1 Rolling/sliding, 25 1 Scoring, 329 , 339 Self-excited vibrations, ... 0. 026 0 .27 0.78 1.59 0 .23 4350 0.49 0.66 0.009 0. 025 0 .25 0.77 1.61 0 .23 534 Chapter 13 2. 3. 4. 5. 6. 7. 8. 9. 10. I I. 12. 13. 14. 15. 16. 17...

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... (N/m2) x 106 (N/m2) 1 2 3 4 5 6 7 8 9 10 11 12 13 0. 025 1 0.0361 0. 025 1 0.036 1 0. 025 1 0.036 1 0 .2 198 0 .2 198 0 .2 198 0.031 I 0.031 1 0 .26 49 0 .26 49 3. 72 ... the Plane Inclined Slider Bearing,” Proc. Inst. Mech. Engrs, 1963, pp. 34-44. Vol. 199(C2), pp. 95-1 02. Vol. 199(C2), pp. 103-1 11. 29 8-307. Vol. 2, pp. 52- 58. 1968, p...

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... 1 .22 , k = 0. 026 . Drozdov and Gavrikov [ 171 investigated friction and scoring under conditions of simultaneous rolling and sliding with a roller test machine. The formula for determination ... 94,703, 189,406 ,28 4,109, and 378,8 12 N/m; the slide/roll ratios were 0,0.08,0.154,0 .22 2,0.345; the rolling speeds varied from 0.3 to 2. 76 m/s, and the sliding spee...

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... 1 .22 , k = 0. 026 . Drozdov and Gavrikov [ 171 investigated friction and scoring under conditions of simultaneous rolling and sliding with a roller test machine. The formula for determination ... Table 7 .2 Material Properties Steel 43 7800 473 20 3.4 Copper 40 1 8930 386 103 Chromium 94 7135 450 25 0 Tin 67 728 0 22 2 46 10W30 0.145 888 1880 - Rollin...

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... and Es for AT, K1, c1, p1, El and K2, c2, p2, E2 in Eqs. (7 .27 ) and (7 .28 ), where f is replaced byf,, L is replaced by L = 32J'm. 2. U1 + U2 3. Mean rolling ... (12pin.), W = 378,812N/m (21 601bf /in. ), 10W30 oil, U1 = 3 .2 m/sec ( 126 in. /sec), R = 0. 023 4 m (0. 92 in. ). Figure 7.38 shows calculated coefficient of friction ve...

Ngày tải lên: 05/08/2014, 09:20