DRILLING FEED RATE CHART
n
How to use this table to find the feed per revolution (f n ):
1. Find your Alpha Code on the product page (example: 197 U, “U“ is the Alpha Code). 2. Find the closest diameter for your cutting application in the top row of the table. 3. Find your Alpha Code in the left column of the table. 4. The intersection (cell) of the Diameter and Alpha Code is the feed per revolution (f n ).
f n
Feed per revolution (f n in mm/rev) Depending on the working conditions it might be necessary to adjust these values ±25 %.
DRILLING FEED RATE CHART (inch/rev)
ø DC
1/32” 1 mm
3/32” 2 mm
1/8” 3 mm
5/32” 4 mm
3/16” 5 mm
1/4” 6 mm
5/16” 8 mm
3/8” 10 mm
1/2” 12 mm
9/16” 15 mm
5/8” 16 mm
3/4” 20 mm
1” 25 mm
1.1/8” 30 mm
1.5/8” 40 mm
2” 50 mm
S .0003 .0006 .0008 .0010 .0012 .0015 .0020 .0031 .0039 .0048 .0051 .0059 .0070 .0070 .0090 – T .0006 .0011 .0016 .0020 .0024 .0028 .0035 .0043 .0051 .0063 .0067 .0075 .0080 .0090 .0100 – U .0010 .0019 .0028 .0031 .0035 .0042 .0055 .0067 .0079 .0088 .0091 .0094 .0110 .0120 .0140 – V .0015 .0027 .0039 .0045 .0051 .0060 .0079 .0098 .0110 .0122 .0126 .0134 .0160 .0170 .0200 – W .0019 .0035 .0051 .0059 .0067 .0079 .0102 .0130 .0150 .0165 .0169 .0177 .0190 .0190 .0200 – X .0022 .0041 .0059 .0071 .0083 .0098 .0130 .0165 .0189 .0210 .0217 .0228 – – – – Y .0027 .0049 .0071 .0087 .0102 .0125 .0169 .0217 .0276 .0276 .0276 .0291 – – – – Z .0037 .0068 .0098 .0128 .0157 .0210 .0315 .0394 .0433 .0463 .0472 .0472 – – – –
DRILLING FEED RATE CHART (mm/rev)
ø DC (mm)
0.15 0.50 1.00 2.00 3.00 4.00 5.00 6.00 8.00 10.0 12.0 15.0 16.0 20.0 25.0 30.0 40.0 50.0 100.0 S 0.002 0.004 0.008 0.014 0.020 0.025 0.030 0.037 0.050 0.080 0.100 0.123 0.130 0.150 0.170 0.190 0.220 0.240 – T 0.004 0.008 0.015 0.028 0.040 0.050 0.060 0.070 0.090 0.110 0.130 0.160 0.170 0.190 0.210 0.230 0.260 0.275 – U 0.007 0.013 0.026 0.048 0.070 0.080 0.090 0.107 0.140 0.170 0.200 0.223 0.230 0.240 0.270 0.300 0.360 0.375 – V 0.010 0.019 0.038 0.069 0.100 0.115 0.130 0.153 0.200 0.250 0.280 0.310 0.320 0.340 0.400 0.440 0.510 0.530 – W 0.012 0.025 0.049 0.089 0.130 0.150 0.170 0.200 0.260 0.330 0.380 0.418 0.430 0.450 0.470 0.490 0.520 0.540 – X 0.014 0.028 0.056 0.103 0.150 0.180 0.210 0.250 0.330 0.420 0.480 0.533 0.550 0.580 – – – – – Y 0.017 0.034 0.068 0.124 0.180 0.220 0.260 0.317 0.430 0.550 0.700 0.700 0.700 0.740 – – – – – Z 0.024 0.047 0.094 0.172 0.250 0.325 0.400 0.533 0.800 1.000 1.100 1.175 1.200 1.200 – – – – –
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