Общий каталог Mitsubishi 2020 - 2021 - страница 1060
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Square head, 4 flute, Irregular helix, Long cutting edge type
CARBIDE
RECOMMENDED CUTTING CONDITIONS
y Shoulder Milling (inch)
| W Mat | ork erial | Carbon Stee Copper, Cop | l, Alloy Ste per Alloy | el, Mild Steel | , | Pre-hardene Alloy Steel, | d Steel, C Alloy Tool S | arbon Steel, teel | Austenitic S Ferritic and Titanium All | tainless St Martensitic oy | eel, Stainless Ste | el, | |
| L/D | DC (mm) | Revolution n (min-1) | Feed Rate vf (IPM) | Depth of Cut ap | Width of Cut ae | Revolution n (min-1) | Feed Rate vf (IPM) | Depth of Cut ap | Width of Cut ae | Revolution n (min-1) | Feed Rate vf (IPM) | Depth of Cut ap | Width of Cut ae |
| 4 | 16 | 2000 | 28.0 | 1.260 | .031 | 1600 | 17.9 | 1.260 | .031 | 1200 | 14.9 | 1.260 | .031 |
| 20 | 1600 | 22.4 | 1.575 | .039 | 1300 | 14.6 | 1.575 | .039 | 950 | 11.8 | 1.575 | .039 | |
| 6 | 16 | 1200 | 13.4 | 1.260 | .031 | 990 | 8.0 | 1.260 | .031 | 790 | 7.6 | 1.260 | .031 |
| 20 | 950 | 10.6 | 1.575 | .039 | 800 | 6.4 | 1.575 | .039 | 630 | 6.0 | 1.575 | .039 | |
| Depth | of Cut | ae ap | |||||||||||
| W Mat | ork erial | Precipitation Cobalt Chro | Hardening mium Alloy | Stainless St | eel, | Heat Resist Inconel718 | ant Alloy | ||||||
| L/D | DC (mm) | Revolution n (min-1) | Feed Rate vf (IPM) | Depth of Cut ap | Width of Cut ae | Revolution n (min-1) | Feed Rate vf (IPM) | Depth of Cut ap | Width of Cut ae | ||||
| 4 | 16 | 1000 | 11.2 | 1.260 | .031 | 610 | 4.9 | 1.260 | .016 | ||||
| 20 | 800 | 9.0 | 1.575 | .039 | 490 | 3.9 | 1.575 | .020 | |||||
| 6 | 16 | 610 | 4.9 | 1.260 | .031 | 390 | 2.5 | 1.260 | .016 | ||||
| 20 | 490 | 3.9 | 1.575 | .039 | 320 | 2.0 | 1.575 | .020 | |||||
| Depth | of Cut | a a | e p |
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Note 1) The irregular helix flute end mill has a larger effect on controlling vibration when compared to standard end mills. However, if the rigidity of the machine or the work material installation is poor, vibration or abnormal sound can occur. In this case, please reduce the revolution and the feed rate proportionately, or set a lower depth of cut. Note 2) If the depth of cut is smaller, the revolution and the feed rate can be increased. Note 3) L/D will be +1 when using a long cutting edge type head. Note 4) For stainless steel, titanium alloy and heat resistant alloy, the use of water-soluble coolant is effective.