“QIANLIZHIDI，HUIYUYIXUE” ，YIGEXIAOXIAODEMAYIDONG，KEYISHIQIANZHANGZHANGDIKUIJUE。LUOSIBEIYUWEIGONGYEZHIMI，SUIRANWEIXIAODANJUEBUMIAOXIAO，KESHI，LISHISHANGYINWEIHUSHILUOSIERNIANGCHENGDAHUODESHIJIANBIBIJIESHI。
ZHENDUILUOWENJINGUJIANSONGDONGDEWENTI，JISHUYUANCAIQULEGEZHONGJIJIYOUXIAODECUOSHI，WEILUOWENJINGUJIANDEFAZHANZHURULEXINDEHUOLI，LUOWENJINGUJIANFANGSONGJISHUHEFANGSONGJIEGOUHENDUO，JUTIDEJIEJUEFANGFARUXIA。
控制预紧力
KONGZHIANZHUANGYUJINLISHIFANGZHILUOWENJINGUJIANSONGDONGDEJINGJIYOUXIAOCUOSHIZHIYI，ZHEIZHONGFANGFALIYONGLUOWENDEZISUOTIAOJIAN，BUXUYAODUILUOSHUAN、LUOMUJIEGOUZUORENHEGAIDONG，TONGGUOBAOZHENGHESHIDEYUJINLILAIFANGSONG。DUIYUANZHUANGKONGZHIYAOQIUTEBIEGAODESHIYONGCHANGHE，CAIYONGZHIJIEKONGZHIDEFANGFA，ZAIANZHUANGGUOCHENGZHONGCELIANGYUJINLI，BINGJIAYIKONGZHI，YIBANQINGKUANGXIA，ZHIJIEKONGZHIANZHUANGYUJINLIXUYAOSHIYONGZHUANMENDEZHUANGZHIHUOZHANGWOZHUANMENDEJISHU，NANYUTUIGUANG。WEILEYIJINGJIDEFANGFAHUODEMANYIDEYUJINLI，GENGDUODECAIQUJIANJIECELIANGHEKONGZHIYUJINLIDEFANGFA，JINIUJUKONGZHIFA。
NIUJUKONGZHIFATONGGUONIUJUXISHUJIANGYUJINLIHUANSUANCHENGZHUANGPEINIUJU，SHIYONGDINGNIUJUHUOCENIUJUZHUANGPEIJIHUOBANSHOUKONGZHIZHUANGPEINIUJU，HUOLIYONGJINGUJIANZISHENJIEGOUBAOZHENGNINGJINNIUJU（RUNIUJIANXINGLUOSHUANLIANJIEFU），JIANJIEDADAOKONGZHIYUJINLIDEMUDE。WEILEDADAOYUQIDEMUDE，YAOQIULIANJIEFUDENIUJUXISHUNENGYUXIANZHUNQUECEDING，BINGBAOZHENGTONGPILINGJIANDENIUJUXISHULISANXINGBUDA。RU， GB/T1231-1991ZHONGMINGQUEGUIDINGTONGPILIANJIEFUDENIUJUXISHUPINGJUNZHIWEI 0.110-0.150，NIUJUXISHUBIAOZHUNPIANCHAYINGXIAOYUHUOGUAIYU 0.001%。ZAIGONGCHENGSHIJIANZHONG，YEYOUCAIYONGZHUANJIAOFA、QUFUDIANNINGJINFADENGKONGZHIFANGFADE。
有效力矩型紧固件
YOUXIAOLIJUXINGJINGUJIANSHIZAIPUTONGJINGUJIANJIEGOUJICHUSHANGZENGJIALEYOUXIAOLIJUBUFEN，QIZUOYONGSHIZAILIANJIEFUZHONGZENGJIAYIGEBUSUIWAILIBIANHUADEZULIJU。
YOUXIAOLIJUBUFENZHUYAOSHIJIAZAILUOMUSHANG，ZAIWAILUOWENSHANGJIAYOUXIAOLIJUBUFENDECHANPINBIJIAOSHAOJIAN。 QUANJINSHUYOUXIAOLIJUXINGSUOJINLUOMU，YILEISHILIYONGLUOMUTISHANGLUOWENJIAGONGWANCHENGHOULUOMUTIBIANXING，SHILUOWENFASHENGZHOUXIANGHUOJINGXIANGBIANXING，ZAOCHENGZHUANGPEISHINEIWAILUOWENJUBUCHUXIANGANSHECHANSHENGYOUXIAOLIJU，YOUYUSHOUBIANXINGLIANGHEBIANXINGQIANMAOPIBIANXINGZULIHEJIHEJINGDUDEYINGXIANG，DUIJIAGONGGONGYIYAOQIUGAO，YOUXIAOLIJUKONGZHINANDUDA；LINGYILEISHIJIANGYOUXIAOLIJUBUFENJIANBO，SHOUKOUHUOKAICAOHOUSHOUKOU，MUQIANGUONEIZHUYAOZAIJUNGONGXINGYESHIYONGJIAODUO；DISANLEISHIZAILUOMUTINEIQIANRUJINSHUDANXINGYUANJIAN，ZHUANGPEISHIWAILUOWENPOSHIDANXINGYUANJIANBIANXING，CHANSHENGYOUXIAOLIJU，ZHEILEILUOMUDUIDANXINGYUANJIANDANXINGJIQIANJIANDEWEIZHIDEYAOQIUJIAOGAO，YOUSHIHUIHUASHANGWAILUOWENBIAOMIAN。
使用垫圈
MUQIANSHIYONGDEDIANQUANZHUYAOYOUPINGSHIQUAN、DANHUANGDIANQUAN、DANXINGDIANQUAN。
PINGDIANQUANZHUYAOYONGYUGAISHANZHICHENGMIANDEJIECHUZHUANGTAI，BAOZHENGZHICHENGMIANDEMOCAXISHUWENDING，DUIFANGSONGYOUYIDINGDEZUOYONG；DANHUANGDIANQUANLIYONGQIDANXINGCHANSHENGZHOUXIANGLI，TIGAOLIANJIEDEDANXING，HENGXIANGZHENDONGSHIYANJIEGUOBIAOMINGQIZAIZHEIZHONGSHIYANTIAOJIANXIAFANGSONGXIAOGUOJIAOCHA；DANXINGDIANQUANDENIUQUDECHIBEININGJINDELUOMUYAPING，SHILUOWENFUZHOUSHENYAJIN，TONGSHIJUBUQIANRUZHICHENGMIAN，DANXINGJUNYUN，FANGSONGXIAOGUOJIAOHAO，HUIHUASHANGLINGJIANBIAOMIAN。ZAIMOUXIETEDINGDECHANGHEXIA，HUASHANGLINGJIANBIAOMIANZHENGSHIRENMENSUOXIWANGDE，RUYONGYUBIAOMIANTUQIDELINGJIANSHANGDEJIEXIANZHU，KEYIHUAPOQIPI，BAOZHENGDAODIANXINGNENG。
直接锁住
ZAININGJINLUOMUHOUSHIYONGSUOJIN（ZHIDONG）YUANJIANJIANGLUOMUHELUOSHUANSUOZHU，FANGZHITAMENXIANGDUIZHUANDONG。ZUICHANGYONGDESHISHIYONGKAIKOUXIAO、CHUANLIANGANGSIHEZHIDONGDIANQUANDENG。KAIKOUXIAOYUMODUANDAIKONGLUOSHUANJIKAICAOLUOMUPEITAOSHIYONG，FANGSONGKEKAO，YIBANLUOMUKAICAOJIAJIAOWEI60°，ANZHUANGSHIBIXUBAOZHENGCAOKONGDUIZHENG，ZHUANGPEIBUBIAN；YONGDITANGANGSICHUANRULUOSHUANTOUBUHUOLUOMUDEJINSHUSIKONGNEI，SHIJIGELUOSHUANHUOLUOMUCHUANLIANYIQIXIANGHUZHIYUE，FANGSONGKEKAO；ZHIDONGDIANQUANKAODIANQUANSUXINGBIANXINGKAZHULUOMU，CHAIXIESHIYAOXIANJIANGDIANQUANYAPINGFUYUANZAININGSONGLUOMU，YONGYUBUJINGCHANGCHAIXIEDEZHONGXING、DONGZAIHELIANJIE，RUFEILUNLUOMU。
破坏运动副关系
SHIYONGCHONGTOUSHILUOSHUANHELUOMUDELUOWENJUBUBIANXING，PIANLIYUANYAXINGLUNKUO，SHIQIJUBUBUNENGYUZHENGCHANGLUOWENXIANGNIEHE，POHUAIYUANYUNDONGFUDEYUNDONGGUANXI，XINGCHENGBUKEZHONGFUSHIYONGDELIANJIE，RUYUCHAIXIE，XUSHIYONGJIAODADENIUJUJIANGLUOMUNINGCHUHUOJIANGQIPOHUAI，ZHEIZHONGFANGFAMUQIANYIHENSHAOSHIYONG。
粘结
ZHANJIESHIJIANGLUOSHUANHELUOMUHUOYUBEILIANJIEJIANZHANJIEZAIYIQI，DADAOFANGSONGDEMUDE。YONGYUDAPILIANGSHENGCHANDEZHANJIELUOSHUAN，YIBANSHIZAIJINGUJIANZHIZAOCHANGJIANGYANYANGJIAOTUZAILINGJIANSHANGBINGJINGGANZAOCHULI，XINGCHENGWEIJIAONANG，ZHEIZHONGWEIJIAONANGBIAOMIANGANZAO，MEIYOUZHANGAN，ZHUANGPEISHI，WEIJIAONANGSHOUJIYAPOLIE，JIAOYEYICHU，JIANGLUOSHUANHELUOMUZHANJIELAOGU。CHAIXIESHIZHIYAOSHIJIAZUGOUDELIJUJIKE，YIBANQINGKUANGXIA，ZAIYIDINGDEQIXIANNEI，KEYIZHONGFUSHIYONGYOUXIANCISHU。