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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. : 134 .

42CrMoڳǿȸ֣иǿȺԣ͸Ӳ58-62HRCϴ42CrMoμӹѡʲôƬӹʣ

ӹ42crmo󹤼ǵ߳⣺

  (1)¶ȸߣΪ˸ɢѡСƫǺ͸ƫǡʱ񶯣ҪҪнϺõĹϵͳԡ

2ױ顢ĥ𣺳ӹм뵶нӴ̣ȼڵпڸʹбĥ

3ϵͣȺͨмߣӿ˵ĥ

42crmo󹤼ӹߵѡ

1ӲʺϽ𵶾ߣӲ89-94HRA൱71-76HRCHRC40ϵĴּӹʱӲʺϽƬյĥҼӹЧʵͣ˲ʺϼӹ40cr/42crmo

2մɵƬڴ̫ױHRC45-55֮Ĵ𹤼ӹΪû㣬մɵƬԴ󣬲ֻܶС

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ȿɴ0.013mmܲøԺõı׼سӹߵĸԺúпڷ򾫳ĹֲڶȿɴRa0.3mߴ羫ȿɴ0.01mmɴﵽĥӹˮƽ

CBNƬӹ42crmoеİ

:ӲHRC58-62

ӹеȶ

ѡõƬ:BN-H10 RNGN090300

:ap=1mm(),ap=0.15mm()Fr=0.45mm/rVc=145m/min

ӹЧijƷCBNƬ50%Ч20%