Machinery's Handbook, 31st Edition
MICROFABRICATION PROCESSES AND PARAMETERS 1195 Table 13a. Speeds and Feeds for Micro Milling/Drilling with Uncoated Carbide Tools (US Customary Units)
Drill speed (ft/min) Chip load ( m in/tooth), D = drill or mill diameter D < 0.04 in. D < 0.06 in. D < 0.08 in. D < 0.10 in. D < 0.12 in. 213 1400 1700 2000 2300 2600 141 1300 1500 1700 2000 2300 141 1300 1500 1700 2000 2300 125 600 600 800 900 1000 500 600 700 800 900 148 400 450 600 700 900 92
Vicker micro- hardness
Mill speed (ft/min)
Materials
Examples
12L14 1010 4063
< 120 558 < 265 453 < 208 361 < 318 246 < 265 223 < 318 230
Steel
409, 410, 446 304, 316, 316L 17-7 PH Pure nickel Monel 400 Inconel 718 Pure titanium Cast titanium Ti 6Al 4V
Stainless steel
197 138 295 266 243 98 971 617 689 623 623
92 66 56 52 52
500 600 700 800 900 500 600 700 800 900 300 300 350 400 500 650 700 850 950 1100 650 700 850 950 1100
Nickel
131 650 700 850 950 1100
Titanium
1100 A356 6061
1624 902 1500 1700 1950 2250 2550 1558 738 2100 2350 2700 3150 3600
Aluminum
492 2100 2350 2700 3150 3600 531 1299 1457 1693 1969 2244 531 1772 2047 2362 2677 3071 289 1457 1732 1969 2244 2598 492 5900 6800 7800 9000 10300
C17200 (soft Be-Cu) C85400 (annealed brass) C95400 (Al bronze)
Copper
ABS, PVC thermoplastics
Plastics
Table 13b. Speeds and Feeds for Micro Milling/Drilling with Uncoated Carbide Tools (SI Metric Units)
Chip load ( m m/tooth), D = drill or mill diameter D < 1.0 mm D < 1.5 mm D < 2.0 mm D < 2.5 mm D < 3.0 mm
Vicker micro- hardness
Mill speed (m/min)
Drill speed (m/min)
Materials
Examples
12L14 1010 4063
< 120 < 265 < 208 < 318
170 138 110
65 43 43 38 28 45 28 20 17 40 16 16
38 33 33 15 13 10 13 13 17 17 17 38 53 53 33 8 45 37
43 38 38 15 15 11 15 15 18 18 18 43 60 60 37 8 52 44
50 43 43 20 18 15 18 18 22 22 22 50 69 69 43 9 60 50
57 51 51 23 20 18 20 20 10 24 24 24 57 80 80 50 68 57
65 58 58 25 23 23 23 23 13 28 28 28 65 91 91 57 78 66
Steel
409, 410,446
75 68 70 60 42 30 90 81 74
Stainless steel
304, 316, 316L < 265
17-7 PH Pure nickel Monel 400 Inconel 718 Pure titanium Cast titanium Ti 6Al 4V
< 318
Nickel
Titanium
1100 A356 6061
495 475 296 188 210 190 190
275 225 150 162 162
Aluminum
C17200 (soft Be-Cu) C85400 (annealed brass)
Copper
C95400 Al bronze
88
ABS, PVC thermoplastics
Plastics
150
150
173
198
229
262
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