Общий каталог Mitsubishi 2020 - 2021 - страница 1608

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RECOMMENDED CUTTING CONDITIONS y LB Type Aluminum Alloy (Si<5%) Austenitic Stainless Steel (5% < Si < 10%) Work Material AISI A6061, A7075 etc. ASTM 333.0 etc. Drill Dia. DC Cutting Speed vc Feed fr Cutting Speed vc Feed fr (Min. ─ Max.) (Min. ─ Max.) (Min. ─ Max.) (Min. ─ Max.) inch mm (SFM) (IPR) (SFM) (IPR) .1181 3.0 395 (310─460) .0039 (.0043 ─ .0063) 395 (310─460) .0059 (.0063 ─ .0083) .1575 4.0 395 (310─460) .0059 (.0051 ─ .0079) 395 (310─460) .0079 (.0079 ─ .0106) .1969 5.0 395 (310─460) .0079 (.0067 ─ .0098) 395 (310─460) .0098 (.0098 ─ .0130) .2480 6.3 490 (395─560) .0098 (.0083 ─ .0126) 490 (395─560) .0138 (.0126 ─ .0165) .3150 8.0 490 (395─560) .0118 (.0106 ─ .0157) 490 (395─560) .0177 (.0157 ─ .0209) .3937 10.0 490 (395─560) .0157 (.0130 ─ .0197) 490 (395─560) .0217 (.0197 ─ .0264) .4724 12.0 655 (525─755) .0197 (.0157 ─ .0236) 655 (525─755) .0276 (.0236 ─ .0315) .5512 14.0 655 (525─755) .0197 (.0157 ─ .0236) 655 (525─755) .0276 (.0236 ─ .0315) Aluminum Alloy (Si>10%) Work Material ASTM 380.0, A390.0 etc. Drill Dia. DC Cutting Speed vc Feed fr (Min. ─ Max.) (Min. ─ Max.) inch mm (SFM) (IPR) .1181 3.0 395 (310─460) .0059 (.0063 ─ .0083) .1575 4.0 395 (310─460) .0079 (.0079 ─ .0106) .1969 5.0 395 (310─460) .0098 (.0098 ─ .0130) .2480 6.3 490 (395─560) .0138 (.0126 ─ .0165) .3150 8.0 490 (395─560) .0177 (.0157 ─ .0209) .3937 10.0 490 (395─560) .0217 (.0197 ─ .0264) .4724 12.0 655 (525─755) .0276 (.0236 ─ .0315) .5512 14.0 655 (525─755) .0276 (.0236 ─ .0315) Note 1) When using the drill with a length over L/D 10, it is necessary to use a prep hole as the pilot. (If no prep-hole is used then drill breakage can occur) Note 2) For pilot hole drilling, Mitsubishi Materials MNS-LB, MAE-MB or MAS-MB drill is recommended. M M135 DRILLING