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模具钢淬火有哪几种方式?

  

  MOJUGANGCUIHUOFANGSHIYIBANYOUWUZHONG,XIAMIANFENBIEJIESHAO。

  1、FENJICUIHUOFA:

  JIANGJIAREDAOAOSHITIHUAWENDUDEMOJUGANGHUOGONGJIANCUIHUOWENDUZAIMASHITIZHUANBIANWENDUFUJINDELENGQUEJIEZHI(CHANGYONGDEWEIYANYU)ZHONG,TINGLIUYIDUANSHIJIAN,SHIGONGJIANBIAOMIANHEZHONGXINWENDUZHUJIANQUYUYIZHIHOUQUCHUKONGLENG,YIJIAODIDELENGQUESUDUWANCHENGMASHITIZHUANBIAN。FENJICUIHUOFANENGXIANZHUJIANSHAOBIANXINGBINGQIETIGAOGANGDERENDU,SHIMOJUGANGJIANCHANGYONGDECUIHUOFANGFAZHIYI。

  FENJICUIHUODEWENDUXUANZEYOULIANGZHONG:YIZHONGSHIQUBEICHULIGONGJIANGANGZHONGDEMASHITIZHUANBIANKAISHIWENDU(MsDIAN)YISHANG10~30℃;LINGYIZHONGSHIXUANQUMsDIANYIXIA80~100℃。FENJIDETINGLIUSHIJIANYEYAOZHANGWOHAO,GUODUANZEWENDUBUGOUJUNYUN,WEINENGDADAOFENJICUIHUODEMUDE;GUOZHANGZEKENENGFASHENGFEIMASHITIXIANGBIANERJIANGDIYINGDU。

  2、SHUANGYECUIHUOFA:

  CUIHUOLENGQUEGUOCHENGSHIZAILIANGZHONGLENGQUEJIEZHI(ZUICHANGYONGDESHISHUI、YOU)ZHONGPEIHEWANCHENGDE,ZAIZHUGUANGTIZHUANBIANQUYUKUAISULENGQUE,ZAIMASHITIZHUANBIANQUYUHUANMANLENGQUE,SHILENGQUEGUOCHENGJIAOWEILIXIANG。JUTIZUOFASHI,JIANGJIAREDAOAOSHITIHUAWENDUDEMOJUGANGHUOLINGJIANXIANCUIRUGAOWENQUKUAILENGDEDIYIZHONGJIEZHIZHONG(TONGCHANGSHISHUIHUOYANSHUIRONGYE),YIYIZHIGUOLENGAOSHITIDEZHUGUANGTIBIANHUA,DANGLENGQUEDAO400℃ZUOYOUSHI,XUNSUQUCHUZHUANGRUDIWENQUHUANLENGDEDIERZHONGJIEZHIZHONG(TONGCHANGWEIYOU)。YOUYUMASHITIZHUANBIANZAIJIAOHUANHEDELENGQUETIAOJIANXIAJINXING,KEYOUXIAODIHUANJIEHUOFANGZHIBIANXINGHEKAILIE,SUCHENGSHUICUIYOULENG。

  SHUANGYECUIHUOFAXUYAOJIAOGAODECAOZUOJIQIAO,YOUSHIKELIJIEWEISANZHONGJIEZHI,JIXIANSHUI、HOUYOU、ZUIZHONGSHIKONGQI。

  3、PENSHECUIHUOFA:

  DAXINGFUZATEBIESHIHOUBOCHADADEGONGJIAN,WEISHILENGQUEJUNYUNBIMIANGUODADECUIHUOYINGLI,KONGZHIHAOLENGQUEGUOCHENGBUTONGBUWEIDELENGSUDEFANGFA。

  PENSHECUIHUOYOUPENYE(SHUIHUOSHUIRONGYE)、PENWU(YASUOKONGQIHESHUIJINGWUHUAPENSHEDAOLINGJIANBUTONGBUWEI)、QICUIDENGDUOZHONGFANGSHI,QIYOUDIANSHIKEKONGZHIBUTONGJIEZHIHUOBUTONGLIULIANG、YALILAIKONGZHIHEDIAOJIEGEWENDUQUYUDELENGSU,HUOGAIBIANBUTONGPENZUISHULIANGHEWEIZHIKESHILENGQUEJUNYUN。MUQIAN,ZAIMOJURECHULIZHONGZUILIUXINGZHENKONGGAOYAQICUIHUO。

  4、DANYECUIHUOFA:

  JIANGMOJUGANGHUOLINGJIANJIAREDAOAOSHITIHUAHOUCUIRUSHUI、YOUHUOQITALENGQUEJIEZHIZHONG,JINGGUOYIDINGSHIJIANLENGQUE(LENGQUEDAODIYUZHUGUANGTIXINGZHUANBIANWENDUQUYUHUOMASHITIZHUANBIANWENDUQUYU)QUCHUKONGLENG。YOUYULENGQUEGUOCHENGZAIDANYIDELENGQUEJIEZHIZHONGWANCHENGDE,CHENGDANYECUIHUOFA。

  5、DENGWENCUIHUOFA:

  将加热到奥氏体化温度的模具钢工件淬入温度稍高于被淬火钢钢种Ms点的热浴中等温停留,完成相变以获得下贝氏体组织或下贝氏体和马氏体混合组织。等温淬火法有缓解变形和开裂、淬火应力小的优点,具有与回火马氏体相近的强度和韧度。

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