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ڵλ: ҳ >> >> 42crmo淬火后硬度HRC58-62选择什么刀片加工更合适?
42crmoӲHRC58-62ѡʲôƬӹʣ
λ:֣ݻⳬӲ˾. : Ʒ֪ʶ . ʱ:2019/7/27. : 3065 .
42CrMoڳǿȸ֣иǿȺԣӲ58-62HRCϴ42CrMoμӹѡʲôƬӹʣ ӹ42crmoǵ߳⣺ (1)¶ȸߣΪ˸ɢѡСƫǺƫǡʱҪҪнϺõĹϵͳԡ 2ױ顢ĥ𣺳ӹм뵶нӴ̣ȼڵпڸʹбĥ 3ϵͣȺͨмߣӿ˵ĥ 42crmoӹߵѡ 1ӲʺϽߣӲ89-94HRA൱71-76HRCHRC40ϵĴּӹʱӲʺϽƬյĥҼӹЧʵͣ˲ʺϼӹ40cr/42crmo 2մɵƬڴ̫ױHRC45-55֮ĴӹΪû㣬մɵƬԴֻܶС 3CBNƬĿǰCBNƬǺɫӹӲߵĵ߲ϣ֤CBNƬһӲʺϽƬմɵƬļʮĿǰϳڼӹ42crmoĵ߲ж£
CBNƬӹ42CrMoʱ 1ӹ42crmoʱӲȸ45HRCЧãӲԽߣٶȡֵӲΪHRC5565IJʱCBNƬٶӦ50120m/minϳʱVc=100160m/minÿӽVf=70160mm/minʱVc= 60130m/minap=0.10.2mmf=0.07-0.2mm/r 242crmo0.10.3mm0.050.025mm/rĹֲڶΪRa0.30.6mߴ羫ȿɴ0.013mmܲøԺõıسӹߵĸԺúпڷĹֲڶȿɴRa0.3mߴ羫ȿɴ0.01mmɴﵽĥӹˮƽ CBNƬӹ42crmoеİ :ӲHRC58-62 ӹеȶ ѡõƬ:BN-H10 RNGN090300 :ap=1mm(),ap=0.15mm()Fr=0.45mm/rVc=145m/min ӹЧijƷCBNƬ50%Ч20% |