Tribology Handbook 2E Episode 2 ppsx

... higher PVvalues can usually be tolerated than for dry operation. THE TRIBOLOGY HANDBOOK Second edition Edited by M. J. NEALE (>BE, BSc(Eng), DIC, FCGI, WhSch, FEng, FlMechE qUTT ... 3 09 3 OL I E t 00 L S 9 9V s6ulJeaq 1eJaU .J SnoJod Contributors Section Selection of bearing type and form Selection of journal bearings Selection of thrust...

Ngày tải lên: 27/06/2014, 18:20

... 12 23 ⁄ 32 9 2 1 ⁄ 4 26 to 8 1 3 ⁄ 8 12 3 1 ⁄ 4 4 10 to 12 3 ⁄ 4 9 1 ⁄ 2 2 1 ⁄ 2 26 to 8 1 7 ⁄ 16 12 3 1 ⁄ 4 4 10 to 12 25 ⁄ 32 9 1 ⁄ 2 2 1 ⁄ 2 28 to 10 1 1 ⁄ 2 12 1 ⁄ 2 3 1 ⁄ 2 4 10 to 12 13 ⁄ 16 9 1 ⁄ 2 2 1 ⁄ 2 28 ... 22 12 15 3 ⁄ 4 1 12 4 1 ⁄ 2 2 1 ⁄ 2 24 7 3 ⁄ 4 11 4 6 1 ⁄ 2 2 1 ⁄...

Ngày tải lên: 05/08/2014, 12:20

... 11.60 22 .50 180 27 5 5.80 11.70 22 .75 5.90 11.80 23 .00 6.00 11.90 134 20 5 23 .25 6.10 97 148 12. 00 23 .50 6 .20 12. 10 23 .75 185 28 2 6.30 12. 20 24 .00 6.40 12. 30 24 .25 6.50 12. 40 24 .50 6.60 12. 50 24 .75 6.70 ... 189 27 .25 49.50 13.80 27 .50 50.00 14.00 27 .75 50.50 22 5 374 14 .25 114 21 2 28 .00 51.00 22 5 4 121 4.50 28 .25 175 29 6 52. 00 14.75 28...

Ngày tải lên: 05/08/2014, 12:20

... 385-3 92 375-385 370-380 360-375 320 -365 320 -340 28 0-3 10 29 0-31 8 28 5 -29 0 24 0 -27 5 20 0 -24 8 1 60 -24 1 21 4 130 -23 4 70 -20 0 196 193 -21 4 196 -20 7 190 -20 0 20 0 170-1 90 150-1 86 1 72 ... 20 Engineering Materials 1 to Time t (year) Fig. 2. 2. The exponentially rising consumption of materials. r -C 100 (2. 2) where Co is the...

Ngày tải lên: 13/08/2014, 08:21

... 3 2. 88 3 .2 3. 52 ISO VG 5 4.14 4.6 5.06 ISO VG 7 6. 12 6.8 7.48 ISO VG 10 9.00 10 11.0 ISO VG 15 13.5 15 16.5 ISO VG 22 19.8 22 24 .2 ISO VG 32 28.8 32 35 .2 ISO VG 46 41.4 46 50.6 ISO VG 68 61 .2 ... 74.8 ISO VG 100 90.0 100 110 ISO VG 150 135 150 165 ISO VG 22 0 198 22 0 24 2 ISO VG 320 28 8 320 3 52 ISO VG 460 414 460 506 ISO VG 680 6 12 680 748 ISO VG 1000 900 1000 110...

Ngày tải lên: 13/08/2014, 16:21

... DC. 6 2. DRAWINGS 2. 2.4. Resistors 24 . General symbol. 25 . Old symbol sometimes used. 26 . Fixed resistor with a fixed tapping. 27 . General symbol, variable resistance (potentiometer). 28 . Alternative ... (female contact). 19. Coaxial plug. 20 . Coaxial socket. 2. 2.3. Inductors and transformers 21 . General symbol, coil or winding. 22 . Coil with a ferromagnetic core. 23 ....

Ngày tải lên: 13/08/2014, 16:21

... -( 31 76 11 000 overlay -(’I 11 4 16 500 tin- -( 31 -( 31 aluminium 15 00-2000 Aluminium-tin-silicon 11 8 13 000 10 -14 Aluminium-20% tin 90 13 000 14 2000 usually - Notes: (1) Fatigue ... "C 10 61 C W/m"C Btu/ft h "F Thermoplastics Nylon, acetal, 10 1. 5 10 0 10 0 0.24 0 .14 Inexpensive UHMWPE Thermoplastics Above+MoSz, 15 -20 2-3 15...

Ngày tải lên: 13/08/2014, 17:20

... 120 180 ~~ ~~ ~ ~ ~~ 69 90 18 72 72 1 42 1 42 2 12 90 140 18 85 85 165 165 24 5 140 24 0 18 100 100 1 92 1 92 28 4 24 0 300 18 110 110 21 4 21 4 318 Fit Journal Housing Clearance ... C2 .Nod c3 From Up to Min. Max. Min. Max. Min. Max. - 12 8 32 32 68 68 104 ~~~~~ 12 20 10 40 40 82 82 124 20 35 12 50 50 100...

Ngày tải lên: 13/08/2014, 17:20

... hardenability steel used for large sections 430 BT1$ MI0 430 0.85 0 .30 0.25 4.0 2.0 8.0 BMl 450 0.80 0 .30 0 .30 4.0 1.50 1.0 8.0 450 0. 83 0 .30 0 .30 3. 85 6.15 1.90 5.0 A21 COMPOSTION AND ... changed from (1). Flow Q* = 0.12 dm3/s, therefore actual flow rate Q = 4~0.12 - = 0.25 dm3/s, (::I3 cf. 1 .3 dm3/s for arrangement (1). Al9 .3 Selection o...

Ngày tải lên: 13/08/2014, 17:20

... 1,52 57 3,80 3,35 3,OO 2,7I 2 ,48 2,28 76 5,07 4, 47 4, OO 3,62 3,30 3, 04 1 14 7,60 6,70 6,OO 5 ,43 4, 96 4, 56 - - - 95 6,33 5,59 5,oo 4, 52 4, 13 3,ao Drive ratios can otherwise ... 22 32 6 8 11 14 19 40 40 40 40 40 50 75 125 200 355 > Smallest loaded pulley diameter 270 41 5 613 920 2570 1 540 5510 12000 10700 15200 72 90 152 306...

Ngày tải lên: 13/08/2014, 17:20

... 220-270 220-270 250 -300 270-320 270-320 54 0-6 18 54 &6 18 6 95- 850 740-8 95 740-8 95 850 -1000 9 25- 10 05 9 25- 1 0 05 6 95- 850 450 450 450 450 450 450 450 450 450 1390 1390 1390 ... 13 14 15 16 45. 0 110 1 45 45. 0 1 65 1 45 45. 0 130 172 45. 0 1 95 I72 45. 0 1 45 186 45. 0 207 1 86 45. 0 240 2 15 45. 0 172...

Ngày tải lên: 13/08/2014, 17:20

... Strand 13 X 6/ 6 X 19 180 Grade 110 Grade MBL kN 8X 0. 565 d X 0 .61 3 8 X 0.851 8 X 0.500 8 X 0. 368 d X 0.809 Wt kg/100 rn d X 0.407 d X 0.413 8 X 0. 563 8 X 0.550 ... 50-100 0.035 0.035 100-150 0. 06 0. 06 ~ ~~ ~ ~ ~~~ Diesel 75-1 75 0. 06 0.04 175-250 0.08 0. 06 25woo 0.10 0.08 40C -60 0 0.15 0.13 Over 60 0 0.15 0.13...

Ngày tải lên: 13/08/2014, 17:20

... 0.125-0.1 87 0.125-0.218 3-6 0.1 87- 0. 375 0.1 874 .4 37 ~ ___~ 6-9 0.250-0.500 0.250-0.500 9-16 0. 375 -0 .75 0 0.3 75 -0 .75 0 16-30 0.500-1.000 0.500-1.000 Table 17. 9 Types of joints Butt Scarf Lap ... 2 575 3-5 3-6 76 150 5-10 5-10 15 1-230 6-12 G12 (N.B Groove 230-400 10-19 10-19 tolerance H7) ~~ ~~ 400-800 12-25 12-25 - Inches 1-3 0.125-0.1 87 0.125-...

Ngày tải lên: 13/08/2014, 17:20

... to 12 above 12 to 18 18 to 25 25 to 50 50 to 90 90 to 150 150 3 5 6.5 8 10 12.5 15 up to 18 3 above 18 to 75 5 150 and above 10 75 to 150 7.5 82 5.3 C6 Other liau ... Yes Yes Rolling High DTD 55 98 (XG 287 ) bearings MIL 6-2 382 7A Clay None 55 (-65) Not Yes Yes Rolling High DTD 55 98 (XG 287 ) applicable+ bearings MILG-2 382 7A Dye 260...

Ngày tải lên: 13/08/2014, 17:20

... quality 7.10 0.303 0.70 0 .90 0 .90 1.22 1.22 0.028 0.036 0.036 0.048 0.048 3 I6 I I 16 3 4.80 - 6.40 i 7 .90 - 9. 50 a 12.70 I 0.70 0.70 0 .90 0 .90 0.028 0.028 0.036 ... I10 0. 394 ______ - 3 BRASS IS0 196 3.35 0.132 0.70 0.028 4.8 IS 4.50 0.178 0 .90 0.036 6.1 I Half-hard or normalised NYLON 6.10 0.240 0 .90 0.036 7 .9 - 16 5 7.1...

Ngày tải lên: 13/08/2014, 17:20