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热处理中齿轮淬火冷却中的质量问题及其解决办法

2019-06-10 17:22:05      点击:

BUGUANSHISHENTANCUIHUO、TANDANGONGSHENCUIHUO、GANYINGJIARECUIHUOHAISHIZHENGTIJIARECUIHUO,CHILUNCUIHUOLENGQUEGUOCHENGKENENGCHUXIANDERECHULIZHILIANGWENTIZHUYAOYOU:

1.CUIHUOHOUYINGDUBUZU、CUIHUOTAIYINGDUBUJUN、CUIHUOYINGHUASHENDUBUGOU;

2.CUIHUOHOUXINBUYINGDUGUOGAO;

3.CUIHUOBIANXINGCHAOCHA;

4.CUIHUOKAILIE;

5.YOUCUIHOUBIAOMIANGUANGLIANGDUBUGOU。

GONGCHANGCHUXIANDEZHEILEIZHILIANGWENTIWANGWANGYUCHILUNDECAIZHI、QIANCHULI、CUIHUOJIAREHECUIHUOLENGQUEYOUGUAN。ZAIPAICHUCAIZHI、QIANCHULIHEJIAREZHONGDEWENTIHOU,CUIHUOJIEZHIJIXIANGGUANJISHUDEZUOYONGJIUTEBIETUCHULE。SHISHISHANG,JINNIANLAIGUOWAIDUICUIHUOLENGQUEDEYANJIUYEZHENGMING,ZAIGAIJINHETIGAORECHULIZHILIANGDEGONGZUOZHONG,ZUIZHIDEZHUYIDEZHENGSHICUIHUOLENGQUE。

CUIHUOLENGQUEDADUOSHIZAIYETIJIEZHIZHONGJINXINGDE。CHILUNCUIHUOYONGDETONGCHANGSHICUIHUOYOU、SHUIRONGXINGCUIHUOJIEZHIHEZILAISHUI。YINCI,XIAMIANJIANGSHOUXIANFENXICHILUNCUIHUOLENGQUEKENENGCHUXIANDEYISHANGZHILIANGWENTIYUSUOYONGCUIHUOJIEZHIDETEXINGHEYONGFADEGUANXI,BINGZHICHUJIEJUEBUTONGWENTISUOXUCUIHUOYEDELENGQUESUDUFENBUTEDIAN。SUIHOUJIANDANJIESHAOCHANGYONGCUIHUOJIEZHIDELENGQUESUDUFENBUTEDIANHEXUANYONGSHIDEZHUYISHIXIANG。

一、淬火冷却中的质量问题

1.硬度不足与硬化深度不够

CUIHUOLENGQUESUDUPIANDISHIZAOCHENGCHILUNCUIHUOYINGDUBUZU、YINGDUBUJUNHEYINGHUASHENDUBUGOUDEYUANYIN,DANSHI,GENJUSHIJICUIHUOCHILUNDECAIZHI、XINGZHUANGDAXIAOHERECHULIYAOQIUBUTONG,YOUKEYIFENWEIGAOWENJIEDUANLENGSUBUZU、ZHONGDIWENJIEDUANLENGSUBUZUYIJIDIWENJIEDUANLENGSUBUZUDENGBUTONGQINGKUANG。BIRU。DUIYUZHONGXIAOCHILUN,CUIHUOYINGDUBUZUWANGWANGSHIZHONGGAOWENJIEDUANLENGSUBUZUSUOZHI,ERMOSHUDADECHILUNYAOQIUJIAOSHENCUIYINGCENGSHI,TIGAODIWENLENGQUESUDUJIUFEICHANGBIYAOLE。

DUIYUCUIHUOYONGYOU,YIBANSHUO,YOUDEZHENGQIMOJIEDUANDUAN、ZHONGWENLENGSUKUAI、QIEDIWENLENGQUESUDUKUAI,WANGWANGNENGHUODEGAOERQIEJUNYUNDECUIHUOYINGDUHEZUGOUDECUIYINGSHENDU。

GONGJIANZHUANGGUAFANGSHIDUICUIHUOLENGQUEXIAOGUOYEYOUMINGXIANYINGXIANG。YAOSHICUIHUOYOULIUDONGTONGCHANG,BINGPEIBEIHESHIYONGHAOJIAOBANZHUANGZHI,CAINENGDEDAOGENGHAODEXIAOGUO。

TIGAOSUOYONGCUIHUOJIEZHIDEDIWENLENGQUESUDU,WANGWANGKEYIZENGDACUIYINGCENGSHENDU。ZAISHENCENGTANNONGDUFENBUXIANGTONGDEQINGKUANGXIA,CAIYONGDIWENLENGQUESUDUGENGGAODECUIHUOYOU,WANGWANGHUODEGENGSHENDECUIHUOYINGHUACENG,YINCI,CAIYONGLENGQUESUDUKUAIDECUIHUOYOUHOU,KEYIXIANGYINGSUODUANGONGJIANDESHENTANSHIJIAN,YENENGHUODEYAOQIUDECUIHUOYINGHUACENGSHENDU。YAOQIUDESHENTANCUIYINGCENGSHENDUYUEDA,ZHEIZHONGFANGFASUODUANSHENTANSHIJIANDEXIAOGUOYUEMINGXIAN。

2.淬火后心部硬度过高

ZHEILEIWENTIKENENGYUSUOXUANJIEZHILENGSUGUOKUAIHUOJIEZHIDEDIWENLENGQUESUDUGUOGAOYOUGUAN。JIEJUEBANFAZHIYISHIGAIHUANCUIHUOYOULAIMANZUYAOQIU。BANFAZHIERSHIYUCUIHUOJIEZHISHENGCHANCHANGJIALIANXI,YOUZHENDUIDIJIARUSHIDANGDETIANJIAJILAIJIANGDICUIHUOYOUDEZHONGDIWENLENGQUESUDU。BANFAZHISANSHIGAIYONGCUITOUXINGGENGDIDEGANGZHONG。

3.淬火变形问题

CUIHUOBIANXINGSHIBUSHAOGONGCHANGSHANGTOULENAOJIN。ANXIGUAN,BIANXINGWENTIDEJIEJUETONGCHANGYAOQIANSHEDUOGEBUMEN,JIEJUEDEBANFAWANGWANGSHIZONGHECUOSHI。

ZUIJINFABIAOLEGUANYUCUIHUOBIANXINGDEWENZHANG,BAYINQIBIANXINGDEYUANYINZHUYAOGUIJIEWEILENGQUESUDUBUZUHELENGQUEBUJUN,BINGZAICIJICHUSHANGTICHULETIGAOLENGQUESUDUBINGSHEFASHIXIANJUNYUNLENGQUEDEJIEJUEYUANZEFANGFA,KEGONGCANKAO。TIGAOCUIHUOLENGQUESUDUDECUOSHIYEZAIGAICANKAOWENXIANZHONGLIECHU,YINGYONGSHIZHIYAOHELIXUANYONGXIANGTONGZUOYONGFANGXIANGDECUOSHIJIASHANGQU。JIUKEJIEJUEDABUFENCHILUNDECUIHUOBIANXINGWENTI。BIRU,CHILUNDENEIHUAJIANKONGBIANXING,WANGWANGSHISUOXUANDECUIHUOYOUGAOWENLENGSUBUZU,HUOZHESHUOYOUDEZHENGQIMOJIEDUANGUOZHANGDEYUANGU。TIGAOYOUDEGAOWENLENGSUBINGTIGAOYOUZAIZHENGGELENGQUEGUOCHENGDELENGSU,YIBANJIUNENGJIEJUENEIHUAJIANKONGDEBIANXINGWENTI。DUIYUZHONGXIAOCHILUN,YOUQISHIBIJIAOJINGMIDECHILUN,XUANHAOYONGHAODENGWENFENJICUIHUOYOUSHIKONGZHIBIANXINGBIBUKESHAODECUOSHI。

4.齿轮的淬火开裂问题

ZHEIGEWENTIZHUYAOCHUXIANZAIGANYINGJIARECUIHUOZHONG。XUANZEHAOSHUIXINGCUIHUOJIEZHI,BIRUGUONEIWAIPUBIANCAIYONGDEPAGLEICUIHUOJIEZHI(RUYANTAICHANGLONGHUAGONGYOUXIANGONGSISHENGCHANDEPAGCUIHUOYEDENG)DAITIYUANLAISHIYONGDEZILAISHUI,WENTIBIANJIEJUELE。GANYINGJIARECUIHUOCAIYONGPAGCUIHUOJIEZHI。KEYIHUODEGAOERJUNYUNDECUIHUOYINGDUHESHENERQIEWENDINGDECUIYINGCENG,CUILIEWEIXIANJIXIAO。

5.光亮问题

YOUZHEIFANGMIANYAOQIUDECHANGHE,YINGDANGXUANYONGGUANGLIANGCUIHUOYOUHUOKUAISUGUANGLIANGCUIHUOYOU。TONGCHANG,GUANGLIANGCUIHUOYOUDEGUANGLIANGXINGHAOZELENGQUESUDUBUGOUGAO,ERLENGQUESUDUHENGAODECUIHUOYOUDEGUANGLIANGXINGZEBUGOUHAO。CIWAI,REYOUDEGUANGLIANGXINGYIBANYEJIAOCHA,KEYIHUANXINYOUHUOBUJIATIGAOGUANGLIANGXINGDETIANJIAJI。

二、齿轮用淬火介质的选择

DANGQIANYONGYUCHILUNCUIHUODEJIEZHIZHUYAOSHIGEZHONGCUIHUOYOU,SHUIRONGXINGCUIHUOJIEZHIHEPUTONGZILAISHUI。YIXIAFENBIETAOLUNZHEIXIEJIEZHIZAICHILUNCUIHUOZHONGDEXUANYONGFANGFAHEZHUYISHIXIANG。

1.自来水

ZILAISHUISHIZUIJINGJIERYOUQINGJIEDECUIHUOJIEZHI。YIXIEHANTANLIANGDI、CUITOUXINGCHAQIEXINGZHUANGJIANDANCHILUNDEDIAOZHICUIHUOHEGANYINGJIARECUIHUO,WANGWANGKEYIYONGZILAISHUI。ZUOWEICUIHUOJIEZHI,ZILAISHUIDELENGQUETEXINGSHI:GONGJIANCHUYUGAOWENJIEDUANSHILENGDEHENKUAI,ERDAOLEGONGJIANCHUYUDIWENJIEDUANSHILENGQUEDEYEHENKUAI。LENGQUESUDUKUAIKEYISHICUITOUXINGCHAHEBIJIAOHOUDADEGONGJIANCUIYING。ZHEISHIZILAISHUIDEYOUDIAN。DANSHI,YONGZILAISHUICUIHUOYOUSANDAQUEDIAN,DIYISHIDIWENLENGQUETAIKUAISHIDUOSHUGANGZHONGHEGONGJIANRONGYIFASHENGCUILIE。DIERSHIGONGJIANGAOWENJIEDUANLENGQUETAIKUAI,BIJIAOXIZHANGYUJIAOBODEGONGJIANRONGYIYINWEIRUSHUIFANGSHIBUDANGERFASHENGCUIHUOBIANXING。DISAN,YESHIBUSHAORENRONGYIHUSHIDEQUEDIAN,SHISUIZHESHUIWENSHENGGAO,CUIHUOLENGQUEDEZHENGQIMOJIEDUANHUIZHUJIANZENGZHANG,QIEGONGJIANCHUYUZHONGDIWENJIEDUANSHIDELENGQUESUDUYEZHUJIANJIANGDI。YOUYUZHEIZHONGYUANYIN,DANGGONGJIANCAIQUJIAOMIJIDEDUIFANGFANGSHIRUSHUICUIHUOSHI,SHUIZHIYOUCHUANGUODUIZAIWAIMIANGONGJIANZHIJIANDEFENGXICAINENGJIECHUNEIMIANDEGONGJIAN。CHUANGUOWAIMIANDEGONGJIANSHISHUIWENHUIZHUJIANSHENGGAO。ZHEIYANG,DUIZAIWAIMIANDEGONGJIANJIECHUDESHUIWENDI,ERDUIZAINEIBUDEGONGJIANJIECHUDESHUIWENGAO。ZHISHIDUIFANGZAINEI、WAIBUDEGONGJIANDECUIHUOLENGQUEXIAOGUOBUTONG。WAIBUDEGONGJIANLENGQUEKUAI,CUIHUOHOUYINGDUGAO,BINGRONGYICUILIE。DUIFANGZAINEIBUDEGONGJIANJINGSHOUDELENGQUEMAN,CUIHUOHOUYINGDUDI。GONGJIANDUIFANGDEYUEMIJI,CUIHUOSHISHUIDELIUDONGYUEBUTONGCHANG,ZHEIZHONGCHABIEJIUYUEDA。ZHEIYIQUEDIANSHIZILAISHUIBUSHIYONGYUCUIMIJIDUIFANGDEXIAOGONGJIAN。SHIYONGYOUCUIHUOSHI,YOUWENTIGAO,LENGQUEDEZHENGQIMOJIEDUANSHAOYOUSUODUAN,ERYOUWENSHENGGAOSHIYOUDEZHANDUJIANGDILIUDONGXINGBIANHAO,YOULIYUTIGAOYOUDELENGQUESUDU,NENGSHIDUIFANGDEJIAOMIJIDEGONGJIANNEIWAILENGQUEXIAOGUOJIBENYIZHI。YINGDANGSHUO,ZHEISHIYONGYOUCUIHUODEYIGEYOUDIAN。

XUANYONGZILAISHUIZUOWEICUIHUOYESHI,YINGDANGZHIDAOTADEYOUDIANHEQUEDIAN。YONGHAOTADEYOUDIAN,ERBIMIANTADEQUEDIAN。SHEFAKONGZHIHAOSHUIDEWENDU。CAIQUDUIFANGFANGSHICUIHUOSHI,YAOSHEFASHIGONGJIANDUIFANGDESHUSONGYIXIE,BINGTONGGUOJIAODONGCUSHICUIHUOYETONGCHANGDICONGGONGJIANZHIJIANLIUGUO,YIJIANXIAONEIBUDESHUIWENCHA。

2.水溶性淬火介质

ZILAISHUIZUOWEICUIHUOJIEZHIDEZUIDAQUEDIANSHIQIDIWENLENGQUESUDUTAIKUAI,SHIDUOZHONGGANGZHIDEGONGJIANRONGYICUILIE。YINQIGANGJIANCUILIEDEZHUYAOYUANYINSHISHUIZAIMASHITIZHUANBIANDEWENDU(MsDIAN)JIQIYIXIADEWENDUFANWEILENGQUEDEGUOKUAI。YOUYUZHEIYANGDEYUANYIN,YANJIUKAIFASHUIRONGXINGCUIHUOJIEZHIDEDIYIMUBIAOJIUSHIJIANGDISHUIDEDIWENLENGQUESUDU。KAOLVDAODUOSHUJIEGOUGANGDEMsDIANZAI300℃FUJIN,TONGCHANGJIUYIGONGJIANLENGQUEDAO300℃SHISHUIRONGXINGCUIHUOYEDELENGQUESUDU,JISUOWEI300℃LENGQUESUDULAIBIAOSHIGAICUIHUOYEDELENGQUEXINGNENG。TONGCHANGKEYIYONGSHUIXINGCUIHUOJIEZHIDE300℃LENGQUESUDULAIDUIGAIJIEZHIDINGJI,YIBIANRECHULIGONGZUOZHEXUANYONG。JIANDANSHUO,SHUIXINGCUIHUOYEDE300℃LENGQUESUDUDI,QIFANGZHIGONGJIANCUILIEDENENGLIJIUQIANG;300℃DELENGQUESUDUGAO,QICUIYINGNENGLIYEGAO,DANGRANGONGJIANDECUILIEQINGXIANGYEDA。YINCI,XUANZESHUIRONGXINGCUIHUOJIEZHISHOUXIANYINGDANGLEJIETADE300℃LENGQUESUDU。TONGLEICUIHUOJIEZHIPINZHONGZHONG,DEDAOXIANGTONGDE300℃LENGQUESUDUSHIDENONGDUYUEDI,QISHIYONGCHENGBENYEJIUYUEDI。

SHUIXINGCUIHUOJIEZHIYOUHENDUOPINZHONG,BUTONGPINZHONGYOUBUTONGDETEXING。PAGLEIJIEZHILENGQUETEXINGKEDIAO,NONGDUCEKONGRONGYI。TAJISHIYONGYUZHENGTICUIHUO,YESHIYONGYUGELEIGANYINGJIARECUIHUO,QIENENGZHANGQIWENDINGDISHIYONG,YINERSHOUDAOPUBIANHUANYING,CHENGWEIDANGQIANGUONEIWAIRECHULIJIESHIYONGDEZUIGUANGFANDESHUIXINGCUIHUOJIEZHI。

YOUYUYEWENDUILENGQUETEXINGYINGXIANGJIAODA,SHIYONGSHUIRONGXINGCUIHUOJIEZHISHIYINGDANGPEIBEIHAOXUNHUANLENGQUEXITONG,YIBIANZAISHIYONGZHONGDIAOJIEYEWEN,YIBANSHUO,ZAISHUIRONGXINGCUIHUOYEZHONGCUIHUOSHI,GONGJIANYEBUYIZAIMIJIDUIFANGTIAOJIANXIARUSHUI,YIMIANZAOCHENGNEIWAIGONGJIANMINGXIANBUTONGDECUIHUOXIAOGUO。

3.普通机械油

GONGCHANGRECHULISHENGCHANZHONGSHIYONGDEZUIDUODEPUTONGJIXIEYOUSHIN32JIYOU(YUAN20HAOJIYOU)HEN15JIXIEYOU(YUAN10HAOJIYOU)。ZUOWEICUIHUOJIEZHI,ZHEILEIJIYOUDETEXINGSHI,ZAIGONGJIANGAOWENJIEDUANZHENGQIMOSHIJIANJIAOZHANG,CUIHUOLENGQUESUDUBUGAO,QIEDIWENLENGQUEJIAOMAN。

YOUDEZHENGQIMOJIEDUANZHANG,GONGJIANGAOWENJIEDUANDELENGQUEMAN,KENENGCHUXIANDEWENTISHIDITANGANGZHIDEGONGJIANRONGYIFASHENGXIANGONGXITIESUTIZHUANBIAN;ERXINGZHUANGFUZADEGONGJIAN,BIRUDAIHUAJIANKONGDECHILUNDENGYOUTEBIERONGYIBIANXING。ZAIZHONG、DIWENJIEDUANLENGQUEMAN,SHIBIJIAODADEGONGJIANBUYICUIYINGHUOCUIYINGCENGSHENDUBUZUBINGYINCIFASHENGCUIHUOBIANXING。

PUTONGJIYOUDEKANGYANGHUANENGLICHA,SHIYONGZHONGRONGYILAOHUABIANZHI,LAOHUABIANZHIDEZHUYAOFANYINGSHIYOUDEZHANDUTIGAODIWENLENGQUESUDUJIANGDI。BIANZHIDEYINGXIANGSHIGONGJIANCUIHUOHOUDEYINGDUHEYINGHUASHENDUJIANXIAO,QIECUIHUOBIANXINGZENGDA。ZHANDUTIGAOHECHANSHENGYOUNIZHAWANGWANGJICUIHUOHOUDEQINGXIZAOCHENGKUNNAN,YESHIYOUDEXIAOHAOLIANGZENGDA。

4.专用淬火油

ZHUANYONGDECUIHUOYOUYIBANFENWEIPUTONGCUIHUOYOU、KUAISUCUIHUOYOU、DENGWENFENJICUIHUOYOU(YEJIANCHENGREYOU)、ZHENKONGCUIHUOYOUYIJIGUANGLIANGCUIHUOYOUDENGLEI。HEPUTONGJIYOUXIANGBI,ZHUANYONGCUIHUOYOUDEREWENDINGXINGNENGJIAOHAO,NENGGENGHAODIBAOZHENGGONGJIANDECUIHUOZHILIANG。DANGRAN,ZHUANYONGCUIHUOYOUYOUYUPUTONGJIYOUDEZUIZHONGYAODEFANGMIANHAISHITAMENDELENGQUETEXING。HEPUTONGJIYOUXIANGBI,BUTONGDEZHUANYONGCUIHUOYOUZAILENGQUESUDUFENBUSHANGDOUYOUZHENGQIMOJIEDUANDUANDETEDIAN,YINERSHIGONGJIANZAIGAOWENJIEDUANNENGLENGQUEDEGENGKUAI。QIZHONGKUAISUCUIHUOYOUDEZUIGAOLENGQUESUDUDOUBIJIAOGAO,ZHONGDIWENJIEDUANDELENGQUESUDUKUAIMANZEYINCUIHUOYOUDEBUTONGPINZHONGERYOUJIAODACHABIE。REYOUZAILENGQUETEXINGSHANGDETEDIANSHIZHENGQIMOJIEDUANGENGDUAN,ERZAIGONGJIANCUIHUOLENGQUEDEDIWENJIEDUANLENGQUEJIAOMAN。

KUAISUCUIHUOYOUZHUYAOYONGYUSHAOHOUDADEGONGJIANHECUITOUXINGSHAODIDEGANGZHONG。REYOUZHUYAOYONGYUJIAOXIAOXINGDEGONGJIANHECUITOUXINGJIAOHAODEGANGZHONG。

YINGGAISHUO,RENHECUIHUOYOUDOUYOUSHIHETADEGONGJIAN。DANSHI,CHUSHAOSHUQINGKUANGWAI,MEITAIRECHULILUDOUXIWANGNENGCHULIBIJIAODUODEGANGZHONGHEBIJIAODUOYANGDEGONGJIAN,YINCI,DUOQINGXIANGYUXUANYONGSHIYINGFANWEIGENGGUANGDECUIHUOYOU。YIBANSHUO,CUIHUOYOUDEZHENGQIMOJIEDUANDUAN,ZHONGWENJIEDUANLENGQUEDEKUAI、DIWENJIEDUANLENGQUESUDUDA,ZHEIZHONGYOUDELENGQUENENGLIJIUHENQIANG,TADESHIYONGFANWEIJIUGUANG。BUSHAOYOUCUIGONGJIANDEBIANXINGSHIYUTADECUIHUOYINGDUBUZUHECUIYINGSHENDUBUGOUTONGSHICHUXIANDE。ERGAIYONGZHEIZHONGSHIYINGFANWEIGUANGDECUIHUOYOU,WANGWANGNENGTONGSHIJIEJUEGONGJIANDEBIANXING、YINGDUBUZUHECUIYINGSHENDUBUGOUDENGWENTI。CUIHUOYOUDEZHENGQIMOJIEDUANDUAN,YEJIUSHIYOUDEGAOWENJIEDUANLENGQUEDEKUAI。ZHEIYITEDIANYOULIYUFANGZHIXIANGONGXITIESUTIDEXICHU,YEYOULIYUFANGZHIDAINEIHUAJIANCHILUNDEBIANXING。JIANDANSHUO,CUIHUOYOUZONGDELENGQUESUDUGAOYOULIYUHUODEJIAOSHENDECUIHUOYINGHUACENG。DANCONGLENGQUESUDUFENBUSHANGFENXI,CHUZHONG、GAOWENJIEDUANYAOQIULENGQUEDEKUAIYIWAI,YOUDEDIWENLENGQUESUDUGAODIDUIHUODEDECUIYINGCENGSHENQIANZUOYONGGENGDA。DIWENLENGQUESUDUYUEGAO,CUIHUOYINGHUACENGWANGWANGYUESHEN。

JIAODONGCUIHUOYOUKEYITIGAOYOUDELENGQUESUDU。LENGQUESUDUBIJIAODIDEYOU,JIAODONGTIGAOQILENGQUENENGLIDEZUOYONGJIAODA;ERDUIYULENGQUESUDUGAODEZHUANYONGCUIHUOYOU,JIAODONGDEZUOYONGZEXIANGDUIJIAOXIAO。

CHILUNDECUIHUOZHILIANGWENTIZHONGHAIYOUYILEISHICUIHUOYINGHUACENGGUOSHEN。YINGHUACENGGUOSHEN,CHANGCHANGZAISHIYONGZHONGDUANCHI。JIEJUEZHEILEIWENTIDEYOUXIAOBANFAZHIYISHIJIANGDICUIHUOYOUDEDIWENLENGQUESUDU。

ZONGZHI,WEIBAOZHENGCHILUNDECUIHUOZHILIANGQUXUANZECUIHUOYOUSHI,YINGDANGGENJUSUOCHULICHILUNDEGANGZHONG、XINGZHUANGTEDIANHERECHULIYAOQIUCONGYOUDELENGQUESUDUFENBUTEXINGQUJINXINGXUANZE,ZUIHAONENGYUCUIHUOYOUSHENGCHANCHANGDEYOUGUANJISHURENYUANYIDAO,TONGGUOTAOLUNFENXIQUEDINGHESHIDECUIHUOYOUHEHELIDESHIYONGFANGFA。

三、淬火介质在使用中的变化

BUGUANSHICUIHUOYOUHAISHISHUIRONGXINGCUIHUOJIEZHI,TAMENZAISHIYONGZHONGDOUYAOJIECHUGAOWENGONGJIAN,YEDOUHUISHOUDAOBUTONGCHENGDUDEWURAN。JINRUKONGQI,JIEZHIHUIBEIYANGHUA。GAOWENKENENGYINQIYOUJIJIEZHIDEREFENJIE、YANGHUAHEJUHEDENGFANYING。WURANKENENGSHIJIEZHIDEYANGHUAHEQITABIANHUAGENGFUZA。SUOYOUZHEIXIEBIANHUAJIQILIUZAIJIEZHIZHONGDEBIANHUACHANWUDOUHUIYINQIJIEZHIBIANZHI。CUIHUOYOUDEYANSEBIANHUA、TOUMINGDUBIANHUA、ZHANDUBIANHUADENGDOUSHIBIANZHIDEBIAOXIAN。YINGDANGSHUO,MEIYOUBUBIANZHIDEJIEZHI。WOMENSUOGUANXINDEZHIYOUSANDIAN:YISHIBIANHUADUIJIEZHILENGQUETEXINGDEYINGXIANG,ERSHIBIANZHIDEKUAIMAN,SANSHIYONGSHENMEBANFALAILEJIEHEJIUZHENGBIANZHIDEYINGXIANG,YIBAOZHENGHUODEZHANGQIWENDINGDECUIHUOZHILIANG。

QIANMIANTANDAO,SHUIRONGXINGCUIHUOJIZHUYAOYONGLAIJIANGDISHUIDEDIWENLENGQUESUDU。ERSHUIRONGXINGCUIHUOYEZAISHIYONGZHONGDEBIANHUAQUSHIZEZHENGHAOXIANGFAN,BIANHUASHIDIWENLENGQUESUDUZHUJIANTIGAO,QITUHUIFUDAOBUJIACUIHUOJIZHIQIANDECHENGDU。

PUTONGJIYOUZAISHIYONGZHONGDEBIANHUAQUSHI,JIANDANSHUOJIUSHIKAISHISHIDIWENLENGQUESUDUZHUJIANJIANGDI、ZHENGQIMOJIEDUANZHUJIANSUODUANERZHONGGAOWENJIEDUANDELENGQUESUDUSHAOYOUTIGAO。SHIYONGSHIJIANZENGZHANG,YOUYUYOUDEZHANDUJINYIBUZENGGAO,YOUDEZHONG、GAOWENLENGQUESUDUYEJIANGJIANMAN,ZHISHIGONGJIANDELENGQUEXIAOGUOMINGXIANBIANCHA。

ZHUANYONGCUIHUOYOUZAISHIYONGZHONGDEBIANHUABIJIAOFUZA,TABAOHANSUOJIATIANJIAJIDEBIANHUAHEJICHUYOUDEBIANHUALIANGBUFEN,SHIZHEILIANGFANGMIANBIANHUADEZONGHEJIEGUO。BUTONGDECUIHUOYOUYIJIBUTONGDESHIYONGTIAOJIAN,BIANHUAQINGKUANGHUIYOUBIJIAODADECHABIE。YOUYIDIANXUYAOZHICHUDESHI,ZAIBUSHOUSHUIWURANDETIAOJIANXIA,JIHUSUOYOUDEZHUANYONGCUIHUOYOUJINGGUOZHANGQISHIYONGHOUDIWENLENGQUESUDUDOUHUIZHUJIANBIANMAN。DANGSHIYONGSHIJIANGENGZHANGSHI,GONGJIANCUIHUOXIAOGUOYEHUIMINGXIANBIANCHA。YOUDEWENDINGXINGHAO,BIANZHIDEMAN;YOUDEWENDINGXINGCHA,BIANZHIJIUKUAI。

YOUDESHIYONGWENDUYUEGAO,YOUBIANZHIDEYUEKUAI。PEIBEIXUNHUANLENGQUEXITONG,SHIYOUWENWENDINGZAISHIDANGFANWEI,BINGTONGGUOCAONEIDEXUNHUANJIAOBANFANGZHIJUBUGUOREDENGCUOSHIDOUKEJIANMANYOUBIANZHISUDU,YANZHANGYOUDESHIYONGSHOUMING。

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