Friction and Lubrication in Mechanical Design Episode 2 Part 7 pdf

... smaller increases in the mineral content ratio resulted from the lower compressive loads. This result is interesting in view of the finding of Radin et al. [88] that increased calcification and ... I Torque =22 .6*(1 -cos (2& apos;pi'Pt)) /2 N-m =20 0'( 1 -cos (2& apos;pi'f9)) /2 Ib -in - f=100 HZ Figure 9. 37 The heat flux at four key points under t...

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... I Torque =22 .6*(1 -cos (2& apos;pi'Pt)) /2 N-m =20 0'( 1 -cos (2& apos;pi'f9)) /2 Ib -in - f=100 HZ Figure 9. 37 The heat flux at four key points under the fretting contact ... Torque =22 .6‘( 1 -cos (2* pi’ft)) /2 N-m =20 0’(1 -ws(P*pi’ft))l2 Ib -in 0 0 0.1 0 .2 0.3 0.4 0.5 0.6 0 .7 0.8 0.9 1 Time (sec) Figure 9.41 Fretting wear p...

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... “Modern Trends in Cutting Tools,” Society of Manufacturing Engineers, 19 82, pp. 82- 87. Podop, M., “Sputter Ion Plating of Titanium Nitride Coatings for Tooling Applications,” Indust. Heat., ... Rickerby, D. S., and Matthews, A., Advanced Surface Coatings: A Handbook of Surface Engineering, Blackie and Son, New York, NY, 1991. Sander, H., and Petersohn, D., Friction...

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... fluid 13 .26 ~ Vegetable oil 13 . 27 a SAE 80W90 13 . 27 b Residual compound 13 . 27 ~ Water-miscible cutting fluid 178 75 0 178 75 0 178 75 0 45, 89, 133, 300 178 1000 45, 89, 133, 300 178 1000 ... 30.5 7. 75 11 .7 1.511 19. 47 64.8 45 .75 10.95 17. 5 1.600 29 .10 61 .2 61.0 13.4 22 .6 1.686 37. 6 58.8 91.5 18 .7 34.0 1.818 55.6 53.9 easily seen that...

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... contacting solids with surface layers, as identified in Table 5.1. The resulting equations are given as follows: + A2 + B2) A1 +ZI +A2+Z2 ("- qt TB1 a= (5 . 27 ) (5 .28 ) (5 .29 ) ... Let: 0. 6 27 (5 .25 a) then: and let: then: To - Ts - = CB 41 (5 .25 b) (5 .26 a) (5 .26 b) Equations (5 .23 b)-(5 .26 b) are valid for the following range of operating...

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... 3. 72 4 .25 7. 44 8.50 14.88 17. 00 3.54 7. 09 14. 17 2. 853 5 .70 5 0.1 17 0 .23 4 0.0933 0.1534 0.18 67 0.3069 0. 373 4 0.61 37 0 .77 9 1.5 57 3.115 0.089 0. 177 0.03 1 0.0 62 0.0038 ... (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....

Ngày tải lên: 05/08/2014, 09:20

... 3. 72 4 .25 7. 44 8.50 14.88 17. 00 3.54 7. 09 14. 17 2. 853 5 .70 5 0.1 17 0 .23 4 0.0933 0.1534 0.18 67 0.3069 0. 373 4 0.61 37 0 .77 9 1.5 57 3.115 0.089 0. 177 0.03 1 0.0 62 0.0038 ... (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....

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... were 94 ,70 3, 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 speeds were in the range ... = 6 72 4 - 16, 825 kg/cm2 RollinglSliding Contacts 27 1 (7. 19) (7 .20 ) W E’R sec R Load W = - x 105 Surface roughness S = - x 106 Sec is calculated...

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... Table 7 .2 Material Properties Steel 43 78 00 473 20 3.4 Copper 40 1 8930 386 103 Chromium 94 71 35 450 25 0 Tin 67 72 8 0 22 2 46 10W30 0.145 888 1880 - Rolling/ Sliding Contacts 25 7 ... were 94 ,70 3, 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...

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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 ... (b) Misharin; (c) Kelley; (d) Drozdov. 304 Chapter 7 19. 20 . 21 . 22 . 23 . stokes), substitute ml, Tl and m2, T2 into Eq. (7. 32) , respec- tively, and solve t...

Ngày tải lên: 05/08/2014, 09:20