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耐高温轴承

影响耐高温轴承性能和状态的主要内在因素

[ 关键词:影响耐高温轴承寿命的内在因素 发表日期:2021-09-16 09:52:05 ]

  影响耐高温轴承寿命的材料因素,主要指钢的硬度、强度、韧性、耐磨性、抗蚀性和内应力状态制约。影响这些性能和状态的主要内在因素有如下几项:

1、CUIHUOGANGZHONGDEMASHITI

  GAOTANGEGANGYUANSHIZUZHIWEILIZHUANGZHUGUANGTISHI,ZAICUIHUODIWENHUIHUOZHUANGTAIXIA,CUIHUOMASHITIHANTANLIANG,MINGXIANYINGXIANGGANGDELIXUEXINGNENG。QIANGDU、RENXINGZAI0.5%ZUOYOU,JIECHUPIBEISHOUMINGZAI0.55%ZUOYOU,KANGYAKUINENGLIZAI0.42%ZUOYOU,DANGGCr15GANGCUIHUOMASHITIHANTANLIANGWEI0.5%~0.56%SHI,KEYIHUODEKANGSHIXIAONENGLIZUIQIANGDEZONGXIELIXUEXINGNENG。

  YINGGAIZHICHU,ZAIZHEIZHONGQINGKUANGXIAHUODEDEMASHITISHIYINJINGMASHITI,CEDEDEHANTANLIANGSHIJUNYUNHANTANLIANG。SHIJISHANG,MASHITIZHONGDEHANTANLIANGZAIWEIQUNEISHIBUJUNYUNDE,KAOJINTANHUAWUSIZHOUDETANNONGDUGAOYUKUOBIETANHUAWUYUANTIESUTIBUFEN,YINERTAMENKAISHIFASHENGMASHITIZHUANBIANDEWENDUBUTONG,CONGERYIZHILEMASHITIJINGLIDEZHANGDAHEXIANWEIXINGTAIDEXIANSHIERCHENGWEIYINJINGMASHITI。TAKEBIMIANGAOTANGANGCUIHUOSHIYICHUXIANDEXIANWEILIEWEN,ERQIEQIYAJIEGOUWEIQIANGDUYURENXINGJUNGAODEWEICUOXINGBANTIAOZHUANGMASHITI。YINCI,ZHIYOUDANGGAOTANGANGCUIHUOSHIHUODEZHONGTANYINJINGMASHITISHIZHOUCHENGLINGJIANCAIKENENGHUODEKANGSHIXIAONENGLIZUIJIADEJITI。

2、CUIHUOGANGZHONGDECANLIUAOSHITI

  GAOTANGEGANGJINGZHENGCHANGCUIHUOHOU,KEHANYOU8%~20%Ar(CANLIUAOSHITI)。ZHOUCHENGLINGJIANZHONGDEArYOULIYEYOUBI,WEILEXINGLICHUBI,ArHANLIANGYINGSHIDANG。YOUYUArLIANGZHUYAOYUCUIHUOJIAREAOSHITIHUATIAOJIANYOUGUAN,TADEDUOSHAOYOUHUIYINGXIANGCUIHUOMASHITIDEHANTANLIANGHEWEIRONGTANHUAWUDESHUMU,JIAONANZHENGQUEFANYINGArLIANGDUILIXUEXINGNENGDEYINGXIANG。WEICI,GUDINGAOSHITIAOJIAN,LIYONGAOSHITITIHUAREWENDINGHUACHULIGONGYI,YIHUODEBUTONGArLIANG,ZAICIYANJIULECUIHUODIWENHUIHUOHOUArHANLIANGDUIGCr15GANGYINGDUHEJIECHUPIBEISHOUMINGDEYINGXIANG。SUIZHEAOSHITIHANLIANGDEZENGDUO,YINGDUHEJIECHUPIBEISHOUMINGJUNSUIZHIERZENGJIA,DADAOFENGZHIHOUYOUSUIZHIERJIANGDI,DANQIFENGZHIDEArHANLIANGBUTONG,YINGDUFENGZHICHUXIANZAI17%ArZUOYOU,ERJIECHUPIBEISHOUMINGFENGZHICHUXIANZAI9%ZUOYOU。DANGSHIYANZAIHEJIANXIAOSHI,YINArLIANGZENGDUODUIJIECHUPIBEISHOUMINGDEYINGXIANGJIANXIAO。ZHEISHIYOUYUDANGArLIANGWEIJISHIDUIQIANGDUJIANGDIDEYINGXIANGBUDA,ERZENGRENDEZUOYONGZEBIJIAOMINGXIAN。YUANYINSHIZAIHEJIAOXIAOSHI,ArFASHENGSHAOLIANGBIANXING,JIXIAOJIANLEYINGLIFENG,YOUSHIYIBIANXINGDEArJIAGONGQIANGHUAHEFASHENGYINGLIYINGBIANYOUFAMASHITIXIANGBIANERQIANGHUA。DANRUZAIHEDASHI,ArJIAODADESUXINGBIANXINGYUJITIHUIJUBUCHANSHENGYINGLIJIZHONGERPOLIE,CONGERSHISHOUMINGJIANGDI。YINGGAIZHICHU,ArDEYOULIZUOYONGBIXUSHIZAIArWENDINGZHUANGTAIZHIXIA,JIARUZIFAZHUANBIANWEIMASHITI,JIANGSHIGANGDERENXINGJIJUJIANGDIERCUIHUA。

3、CUIHUOGANGZHONGDEWEIRONGTANHUAWU

  CUIHUOGANGZHONGWEIRONGTANHUAWUDESHUMU、XINGMAO、DAXIAO、FENBU,JISHOUDAOGANGDEHUAXUECHENGFENHECUIHUOQIANYUANSHIZUZHIDEYINGXIANG,YOUSHOUAOSHITIHUATIAOJIANDEYINGXIANG,YOUGUANWEIRONGTANHUAWUDUIZHOUCHENGSHOUMINGDEYINGXIANGYANJIUJIAOSHAO。TANHUAWUSHIYINGCUIXIANG,CHULEDUINAIMOXINGYOULIZHIWAI,CHENGZAISHIYINHUI(TEBIESHITANHUAWUCHENGFEIQIUXING)YUJITIYINQIYINGLIJIZHONGERCHANSHENGLIEWEN,CONGERHUIJIANGDIRENXINGHEPIBEIKANGLI。CUIHUOWEIRONGTANHUAWUCHULEZISHENDUIGANGDEXINGNENGCHANSHENGYINGXIANGZHIWAI,HAIYINGXIANGCUIHUOMASHITIDEHANTANLIANGHEArHANLIANGJIFENBU,CONGERDUIGANGDEXINGNENGCHANSHENGFUJIAYINGXIANG。WEILEJIESHIWEIRONGTANHUAWUDUIXINGNENGDEYINGXIANG,CAIYONGBUTONGHANTANLIANGDEGANG,CUIHUOHOUSHIQIMASHITIHANTANLIANGHEArHANLIANGXIANGTONGERWEIRONGTANHUAWUHANLIANGBUTONGDEZHUANGTAI,JING150℃HUIHUOHOU,YOUYUMASHITIHANTANLIANGXIANGTONG,ERQIEYINGDUJIAOGAO,YINERWEIRONGTANHUAWUSHAOLIANGZENGGAODUIYINGDUZENGGAOZHIBUDA,FANYINGQIANGDUHERENXINGDEYAKUIZAIHEZEYOUSUOJIANGDI,DUIYINGLIJIZHONGMINGANDEJIECHUPIBEISHOUMINGZEMINGXIANJIANGDI。YINCICUIHUOWEIRONGTANHUAWUGUODUODUIGANGDEZONGXIELIXUEXINGNENGHESHIXIAOKANGLISHIYOUHAIDE。SHIDANGJIANGDIZHOUCHENGGANGDEHANTANLIANGSHIJINBUZHIJIANSHIYONGSHOUMINGDETUJINGZHIYI。