Volume 16 - Machining Part 12 pdf

... 4 5-5 2 HRC 1 0-1 2 5-1 2 2-4 3-7 -5 to -1 0 0 to -1 0 2-4 5-8 12 5-4 25 1 0-1 2 5-1 2 3-5 4-8 -5 to -1 0 0 to -1 0 2-5 5-8 Wrought and cast alloy steels 4 5-5 2 HRC 1 0-1 2 5-1 2 2-4 3-7 -5 to -1 0 0 to -1 0 ... -5 to -1 0 0 to -1 0 2-4 3-6 Wrought armor plate 25 0-3 20 0-5 0-5 2-4 3-7 -5 to...

Ngày tải lên: 10/08/2014, 13:20

... 50 0-7 00 7 0-1 00 9 3-9 4 3. 5-4 .5 3. 2-4 .1 Al 2 O 3 -ZrO 2 70 0-9 00 10 0-1 30 9 3-9 4 5. 0-8 .0 4. 5-7 .3 Al 2 O 3 -TiC 60 0-8 50 9 0-1 20 9 4-9 5 3. 5-4 .5 3. 2-4 .1 Al 2 O 3 -SiC w 55 0-7 50 8 0-1 10 9 4-9 5 4. 5-8 .0 ... 0.01 2- 0.025 9 1-1 22 30 0- 400 0.1 3- 0.51 0.00 5- 0.020 33 0-4 50 C5 5 3-9 1 17 5- 300 0....

Ngày tải lên: 10/08/2014, 13:20

... Resulfurized (free-cutting) low-carbon steels 1 112 1111, 1113, 1119, 121 2, 121 3, 121 3 + Te 1117 1108, 1109, 1115, 1118, 1120 , 1126 , 1144, 121 1 Resulfurized (free-cutting) medium-carbon steels ... single-point and box tools High-speed steel 0.1 3-0 .38 0.00 5-0 .015 Carbide 0.1 3-0 .38 0.00 5-0 .015 Ceramic 0.0 8-0 .51 0.00 3-0 .020 For form tools High-s...

Ngày tải lên: 10/08/2014, 13:20

... steel. Diameter Depth mm in. mm in. 5 0-6 4 2-2 61 0-7 62 2 4-3 0 6 5-8 9 2 -3 76 2-1 065 3 0-4 2 9 0-1 15 3 -4 106 5-1 780 4 2-7 0 For holes 116 mm (4 in.) in diameter and larger, maximum ... difficult-to-machine D2, however, speed had to be reduced by about 30% and feed by 50%. The metal removal rate in roughing was only about one-...

Ngày tải lên: 10/08/2014, 13:20

... average • R max • maximum peak-to-valley roughness height • R q • root-mean-square roughness average • R y • maximum peak-to-valley roughness height • R z • ten-point height (roughness average) ... • parts per million • PSA • pressure-sensitive adhesive • psi • pounds per square inch • PTP • point-to-point • PVD • physical vapor deposition ... friction energy per unit vol...

Ngày tải lên: 10/08/2014, 13:20

... Cam (1018) Grind 0.4 0-0 .80 1 6- 32 Key (1018) Mill 3.2 125 Holder (1018) Mill 3.2 125 Bracket (1018) Mill 3.2 125 Plate (1018) Mill 3.2 125 Block (1018) Mill 3.2 125 Junction block (1018) ... 0.8 0-1 .60 3 2-6 3 Dovetails Broached 0.8 0-1 .60 3 2-6 3 Corner breaks Mass media finished 0.80 32 Compressor casing (M-152 stainless steel) Flowpath (inside diame...

Ngày tải lên: 10/08/2014, 13:20

... of first 1 8-4 -1 composition (AISI T1) 1 912 3 to 5% Co addition for improved hot hardness 1923 12% Co addition for increased cutting speeds 1939 Introduction of high-carbon high-vanadium ... + b 12 x 1 x 2 Partial second-order model ln t = b 0 + b 1 x 1 + b 2 x 2 + b 12 x 1 x 2 + b 11 + b 22 Full second-order model ln t = b 0 + b 1 x 1 + b 2 x 2 + b 3 x 3 +...

Ngày tải lên: 10/08/2014, 13:20

... Tantung 144, % Cobalt 4 2-4 7 4 0-4 5 Chromium 2 7-3 2 2 5-3 0 Tungsten 1 4-1 9 1 6- 21 Carbon 2-4 2-4 Tantalum or niobium 2-7 3-8 Manganese 1-3 1-3 Iron 2-5 2-5 Nickel 7 (a) 7 (a) ... for machining aircraft parts. At a Fig. 15 Variation in fracture toughness (K Ic ) with temperature for a number of WC-Co base alloys. A, 86WC- 2TaC...

Ngày tải lên: 10/08/2014, 13:20

... 2 0-6 5 5-1 7 1 9-3 2 mm (0.7 5-1 .25 in.) diameter 4 0-1 50 1 0-4 0 3 2-3 8 mm (1.2 5-1 .50 in.) diameter 6 4-1 90 1 7-5 0 Internal chip removal type 7. 9-9 .4 mm (0.3 1-0 .37 in.) diameter 2 0-3 0 5-8 9. 4-1 9 ... diameter 7-1 1 2-3 Drilling, large 0.3 to 0.43 × diam, mm 2-3 × diam, in. Gundrilling External chip removal type 4. 6-...

Ngày tải lên: 10/08/2014, 13:20

... free-cutting metal 0.34 3-0 .991 0.013 5-0 .0390 24 20 26 1.0 2-2 .44 0.040 0-0 .0960 21 18 24 2.4 9-3 .05 0.098 0-0 .120 0 18 16 22 3.2 6-6 .35 0 .128 5- 16 14 20 6.5 3-8 .7 0.257 0- 14 12 ... SAE 1063 E 1 2-1 8 0.10 0.004 0.6 3-1 .5 2 5-6 0 SAE 1070 E 5-1 0 0.05 0.002 0.7 1-1 .5 2 8-6 0 SAE 1 112 . . . 87 HRB 0.025 0.001...

Ngày tải lên: 10/08/2014, 13:20