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Cutting Speeds Table Number 2

CuttingSpeedsTableNo2Chart.pdf

DRILL THRUST AND HORSEPOWER                                                        MM of one (cast iron)
DRILL DIA. DRILL POINT FEED*   IN./REV. HP@ 100 S.F.M. THRUST LBS. TORQUE IN-LBS.
1/16 .019 .0015 .014 31 0.14
1/32 .009 .0008 .004 10 0.02
3/32 .028 .0020 .028 45 0.4
1/8 .037 .0025 .047 66 0.9
5/32 .047 .0035 .082 110 2.1
3/16 .056 .0040 .113 131 3.4
7/32 .066 .0045 .148 168 5.3
1/4 .075 .0050 .188 194 7.7
9/32 .084 .0050 .211 210 9.8
5/16 .094 .0050 .235 227 12.
11/32 .103 .0055 .284 261 16.
3/8 .113 .0060 .338 296 20.
13/32 .122 .0065 .396 333 26.
7/16 .131 .0070 .460 372 33.
15/32 .141 .0075 .526 413 40.
1/2 .150 .0080 .600 474 49.
17/32 .160 .0080 .637 503 56.
9/16 .169 .0080 .675 533 62.
19/32 .178 .0085 .757 569 74.
5/8 .188 .0090 .844 587 87.
21/32 .197 .0090 .885 597 96.
11/16 .206 .0090 .928 627 105.
23/32 .216 .0095 1.025 685 121.
3/4 .225 .0100 1.125 729 139.
25/32 .235 .0100 1.175 750 151.
13/16 .244 .0100 1.218 771 163.
27/32 .253 .0105 1.335 822 185
7/8 .263 .0110 1.45 875 209.
29/32 .272 .0115 1.56 925 234.
15/16 .282 .0120 1.68 983 261.
31/32 .291 .0125 1.81 1097 291.
1 .300 .013 1.96 1164 322.
1 1/16 .319 .013 2.13 1180 364.
 1 1/8 .338 .014 2.37 1266 439.
1 3/16 .357 .014 2.50 1360 490.
1 1/4 .376 .015 2.64 1440 581.
1 5/16 .394 .015 2.70 1490 641.
1 3/8 .413 .015 3.04 1540 704.
1 7/16 .432 .015 3.23 1590 769.
1 1/2 .451 .015 3.37 1640 837.
1 9/16 .469 .016 3.78 1730 969.
1 5/8 .488 .016 3.94 1820 1048
1 11/16 .507 .016 4.07 1870 1131.
 1 3/4 .526 .016 4.35 1915 1216.
1 13/16 .544 .016 4.50 2005 1304.
1 7/8 .563 .017 4.75 2115 1483.
1 15/16 .582 .017 4.95 2165 1584.
2 .601 .017 5.12 2211 1688.
You can also see the following chart for more information: http://www.drill-hq.com/?page_id=785

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