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??????λ:֣?ݻ??ⳬӲ???????޹?˾. ???????: Ӧ?ð??? . ????ʱ??:2020/5/26. ???????: 95 ??.

ɲ??Ŀǰ????ɲ?͹?ɲ??????ɲ??????һЩ?ij??ܶ඼??ǰ?̺?ĵġ????ڵij??ܶ?ǰ??????ɲ?ġ???Ϊ??ɲ?Ϲ?ɲ??ɢ?Ⱥã??ڸ????ƶ?״̬?£??????ײ?????˥?ˣ???????????ƶ?Ч???á????ڵ?????բʱ???ƶ?Ч???????ɲ???۸?ȹ?ɲ?????????ںܶ??и߼??γ?????ȫ??ɲ??????ͨ?γ?????ǰ?̺?ģ?????Ե??٣?????Ҫ?ƶ?????Ŀ???????ʿ???Բ??ù?ɲ??

??ɲ??һ?ִ?ͳ???ƶ?ϵͳ???򵥵?˵?????ƶ??ͱ?,????,ɲ??Ƭ?͹??????,ɲ??ʱ???ƶ??ֱõĸ?ѹɲ?????ƶ??????? ????Ƭ?????ε??ƶ???Ƭʩ????????,ʹ??ѹ???????ڱ?,??Ħ??????ֹɲ????ת???Ӷ??ﵽ?ƶ?Ч????

??ɲ??????ɲ???̣?????˵????һ??Բ?????ӣ??????н?ʱ??Ҳ??ת???ġ??ƶ???ǯ??סɲ???̶??????ƶ????ģ???ɲ??ʱ????????סɲ?????𵽼??ٻ???ͣ???????á?ɲ?????ƶ?Ч???ã??ұȹ???ɲ??????ά????

1??ɲ???̡??ƶ??IJ??ʽ???  

 ɲ?????IJ????Dz????ҹ??Ļ?????250??׼?????HT250,??ͬ??????G3000??׼??

 ??ѧ?ɷ???????ҪԪ?ص?Ҫ??ֱ??ǣ?C:3.1-3.4 Si:1.9-2.3 Mn:0.6-0.9??

 ??е????Ҫ?󣺿???ǿ????206MPa??????ǿ?ȡ?1000MPa,?Ӷȡ?5.1mm??Ӳ??Ҫ???ڣ?187-241HBS֮?䡣

 ?ƶ?????????????????ʽ??????

 ?????ƶ??Ķ?ѡ?û???????HT200-300?dz????ƺš?

 ?ƶ??????ʽ????1???ɸְ??ѹ?Ĺ???????????Ȧ?????????һ?壬??????С???????ڽγ???????????????2??????Ϊ??Ͻ???ϣ??????Ͻ?ȣ????ڳ?????????Ȧ???????ƶ??IJ???????С??ɢ????Ҳ?ܺã??????ڽγ???

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2??ɲ???̡??ƶ??ĵļ??ӹ???????????

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 ?????ӹ?????????????ɲ???̡??ƶ???????Ҫ?ӹ????򣬸??ݸ???ҵҪ?󣬿?һ??װ??ȫ???ӹ????ߴ磨?֡????ӹ?һ????λ??ɣ???Ҳ?дּӹ??;??ӹ??ֳ???????λ??ɣ???һ??װ?????????????????ڶ???װ?????ȫ???ӹ????ߴ磬??֤??????Ⱥͳߴ羫?ȵ?Ҫ??

??1??ɲ???̸???ǰ

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??2??ɲ???̼ӹ????ƺ?

 ˫??ͬʱ???У? ƽ???һ???Ըߣ?Ч?ʳɱ???ߣ???????ˮ????ҵ??Ч????????????

??3???в۹??? 

 ?ɸ??Ϻ?????ʽת??Ϊ?????ṹ??ʽ???????????ڴּӹ??????ҿ?ʵ???ڲ۲???????

 

3????????ɲ???̡??ƶ??ļӹ????ߵ?ѡ??

??1??Ӳ?ʺϽ?Ƭ??

 Ŀǰ?ӹ???????ɲ???̡??ƶ??ĵ????????ߣ???????Ӳ?ȵͣ?Ӳ?ʺϽ?Ƭ??ȫ???Խ???????Ҽ۸???ˣ???????С????ҵ???Լӹ?????Ҫ?󲻸ߵ?????£??ʺ?ѡ??Ӳ?ʺϽ?Ƭ??

??2????????????Ƭ??

 ??????????Ƭ???ڳ?Ӳ???ߣ???????Ӳ?ȴﵽHRC95-100֮?䣬?ʺ϶?????????Ҫ??ϸߵ?ɲ???̡??ƶ???ר??????ˮ????ҵ??BNK30???ʼӹ???????ɲ?????????ٶȿɴﵽ2000m/min???????Ӳ?ʺϽ𵶾?Ч?ʳɱ???ߡ?

 

4??ɲ???̼ӹ????ߵĴ???

??1????????????λ?ӵ?Ƭ???????׵?Ƭ

 ???㵶?߶?λ???ر??ʺϷ??μӹ??͸?????????

 

??2?????????????޹??е?Ƭ

 ͬ?Ƚ?????????ø??ߵı?????????

 ͬ?ȱ???ֲڶȣ??ɲ??ô?Ľ??????????͵????ӹ?ʱ?䣬??߼ӹ?Ч?ʣ?

 ע?????μӹ??в???ѡ?ã????ڸ߸??ԵĻ????ͼӹ???

 

??3????????????Ϳ?㵶Ƭ

 ƽ??Ϳ????CBNĸ????????ϣ??ɻ?ø?????????????ܣ???߼ӹ????Ⱥ???????

 

5??CBN??Ƭ?????ӹ???????ɲ???̰???

??1??BN-S300 C06Ϳ??CBN??Ƭ?????ӹ?ɲ???̰???

 

???????ƣ?ɲ????

    ???????ϣ?HT250

    ????Ӳ?ȣ?HB210

    ѡ?õ?Ƭ??BN-S300 C06 SCGN090412

    ??????????Vc=900m/min??ap=0.3mm??Fr=0.25mm/r

    ????ֲڶȣ?Ra1.6

    ?ӹ???ʽ??ʪʽ????

??2??BNK30?ƺ?CBN??Ƭ?????ӹ?ɲ???̰???

 

???????ƣ?ɲ????

  ???????ϣ?HT250

  ????Ӳ?ȣ?HB170-210

  ѡ?õ?Ƭ??BNK30  TNGA120408-6S

  ??????????Vc=1000m/min??ap=0.3mm??Fr=0.2mm/r

 ?????ijŷϵƷ??CBN??Ƭ?????????????60%??Ч?????25%??

6??CBN?????????ӹ????????ƶ??İ???

??1??BN-S300?ƺ?CBN??Ƭ?ּӹ????????ƶ??İ???

 

???????ƣ??ƶ???

  ???????ϣ?HT250

  ????Ӳ?ȣ?HB170-210

  ѡ?õ?Ƭ??BN-S300 CNMN120716

  ??????????Vc=380m/min??ap=2.5mm??Fr=0.65mm/r

  ?????Ϳ??Ӳ?ʺϽ?Ƭ??BN-S300?ƺŵĵ?????????Ϳ??Ӳ?ʺϽ𵶾ߵ?5.3????Ч?????1.5????

??2??BNK30?ƺ?CBN??Ƭ???ӹ????????ƶ??İ???

 

 

???????ƣ??ƶ???

  ???????ϣ?HT250

  ????Ӳ?ȣ?HB170-210

  ѡ?õ?Ƭ??BNK30 WNGA080408-6S

  ??????????Vc=650 m/min??ap=0.5mm??Fr=0.2mm/r

 ?????ijŷϵƷ??CBN???ߣ?BNK30?ƺŵĵ??????????71%??