Общий каталог Mitsubishi 2020 - 2021 - страница 1599

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DRILLING (SOLID CARBIDE) MHS RECOMMENDED CUTTING CONDITIONS Mild Steel ( < 180HB) Austenitic Stainless Steel ( < 200HB) Carbon Steel, Alloy Steel (180-280HB) Ferritic, Martensitic Stainless Steel (>200HB) Work Material AISI 1010, 1045, 4140 etc. AISI 304, 316 AISI 431, 420 etc. Drill Dia. Cutting Speed Revolution Feed fr Cutting Speed Revolution Feed fr vc n (Min. ─ Max.) vc n (Min. ─ Max.) inch mm (SFM) (min-1) (IPR) (SFM) (min-1) (IPR) .0394 1.0 130 12700 .0012 (.0008 ─ .0016) 65 6400 .0012 (.0008 ─ .0016) .0472 1.2 160 13200 .0014 (.0010 ─ .0020) 95 8000 .0014 (.0010 ─ .0020) .0630 1.6 195 11900 .0020 (.0012 ─ .0026) 130 8000 .0020 (.0012 ─ .0026) .0787 2.0 230 11100 .0024 (.0016 ─ .0031) 160 8000 .0024 (.0016 ─ .0031) .0984 2.5 260 10200 .0030 (.0020 ─ .0039) 195 7600 .0030 (.0020 ─ .0039) .1260 3.2 260 8000 .0039 (.0028 ─ .0051) 195 6000 .0039 (.0028 ─ .0051) .1575 4.0 260 6400 .0039 (.0035 ─ .0043) 190 4800 .0035 (.0031 ─ .0035) .1969 5.0 260 5100 .0051 (.0043 ─ .0055) 195 3800 .0043 (.0039 ─ .0047) .2480 6.3 260 4000 .0063 (.0055 ─ .0071) 195 3000 .0055 (.0051 ─ .0059) .3150 8.0 255 3200 .0079 (.0071 ─ .0091) 190 2400 .0067 (.0063 ─ .0075) .3937 10.0 255 2600 .0098 (.0087 ─ .0110) 195 1900 .0087 (.0079 ─ .0091) .4724 12.0 260 2100 .0118 (.0106 ─ .0134) 185 1600 .0102 (.0094 ─ .0110) Pre-hardened Steel (35-45HRC) Hardened Steel (40-55HRC) Alloy Tool Steel ( < 350HB) Precipitation Hardening Martensitic Stainless Steel (<450HB) Work Material AISI P21, P20 AISI 431, 420 ASTM H13, AISI L6 etc. S17400, S17700 etc. Drill Dia. Cutting Speed Revolution Feed fr Cutting Speed Revolution Feed fr vc n (Min. ─ Max.) vc n (Min. ─ Max.) inch mm (SFM) (min-1) (IPR) (SFM) (min-1) (IPR) .0394 1.0 65 6400 .0010 (.0008 ─ .0012) 65 6400 .0008 (.0006 ─ .0010) .0472 1.2 95 8000 .0012 (.0008 ─ .0014) 95 8000 .0010 (.0008 ─ .0012) .0630 1.6 130 8000 .0016 (.0012 ─ .0018) 130 8000 .0014 (.0010 ─ .0016) .0787 2.0 160 8000 .0018 (.0014 ─ .0024) 160 8000 .0016 (.0012 ─ .0020) .0984 2.5 195 7600 .0024 (.0018 ─ .0030) 195 7600 .0020 (.0016 ─ .0026) .1260 3.2 195 6000 .0031 (.0024 ─ .0035) 195 6000 .0024 (.0020 ─ .0031) .1575 4.0 190 4800 .0031 (.0028 ─ .0039) 190 4800 .0031 (.0024 ─ .0039) .1969 5.0 195 3800 .0043 (.0035 ─ .0051) 195 3800 .0039 (.0031 ─ .0051) .2480 6.3 195 3000 .0051 (.0043 ─ .0063) 195 3000 .0043 (.0035 ─ .0051) .3150 8.0 190 2400 .0067 (.0055 ─ .0079) 190 2400 .0055 (.0047 ─ .0063) .3937 10.0 195 1900 .0083 (.0067 ─ .0098) 195 1900 .0067 (.0055 ─ .0079) .4724 12.0 185 1600 .0098 (.0083 ─ .0118) 185 1600 .0083 (.0067 ─ .0094) Note 1) When using the drill with a length over L/D 10, it is Hardened Steel (40-55HRC) necessary to use a pilot hole as a guide. (If no pilot Heat Resistant Alloy hole is used then drill breakage can occur) Work Material Note 2) Use the shortest drill with L/D<10 available in ASTM H13, AISI L6 Inconel718 etc. respective DC as a pilot drill. Note 3) For the spindle revolution of diameters not shown M Drill Dia. Cutting Speed Revolution Feed fr in the table, please adjust to the conditions of vc n (Min. ─ Max.) inch mm (SFM) (min-1) (IPR) larger and closest diameter, or calculate from the DRILLING cutting speed of the closest diameter. For the .0394 1.0 30 3200 .0006 (.0006 ─ .0008) feed rate per revolution, please set up within the .0472 1.2 30 2700 .0008 (.0006 ─ .0010) recommended feed rate of the closest diameter .0630 1.6 30 2000 .0010 (.0008 ─ .0012) appropriately. .0787 2.0 60 3200 .0014 (.0010 ─ .0016) .0984 2.5 65 2600 .0016 (.0012 ─ .0020) .1260 3.2 60 2000 .0020 (.0016 ─ .0028) .1575 4.0 95 2400 .0028 (.0020 ─ .0031) .1969 5.0 95 1900 .0031 (.0024 ─ .0039) .2480 6.3 95 1500 .0035 (.0031 ─ .0043) .3150 8.0 120 1500 .0047 (.0039 ─ .0051) .3937 10.0 120 1300 .0059 (.0051 ─ .0067) .4724 12.0 120 1100 .0071 (.0059 ─ .0079) M126