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如何有效提高螺母聯接強度

發布日期:2015-06-05 作者: 寧吉羽立

  1、均勻螺紋牙受力分配

  JISHISHIZHIZAOHEZHUANGPEIJINGQUEDELUOSHUANHELUOMU,CHUANLISHIQIXUANHEGEQUANLUOWENYADESHOULIYEBUSHIJUNYUNDE。WEILESHILUOWENYASHOULIBIJIAOJUNYUN,KEGAIJINLUOMUJIEGOU:

  1)XUANZHILUOMU,SHIMUTIHESHUANGANDEBIANXINGYIZHIYIJIANSHAOLUOJUBIANHUACHA,KETIGAOLUOSHUANPILAOQIANGDUDA40%;

  2)NEIXIELUOMU,KEJIANXIAOYUANSHOULIDADELUOWENYADEGANGDUERBALIFENYIDAOYUANSHOULIXIAODEYASHANG,KETIGAOLUOSHUANPILAOQIANGDUDA20%;

  3)HUANCAOLUOMU,LIYONGLUOMUXIABUSHOULAQIEFUYUDANXINGKETIGAOLUOSHUANPILAOQIANGDU30%。ZHEXIEJIEGOUTESHUDELUOMUZHIZAOFEIGONG,ZHIZAIZHONGYAODEHUODAXINGDELIANJIEZHONGSHIYONG。

  4)RUGUOLUOMUCAILIAORUAN、DANXINGMOLIANGDI,LIRUGANGLUOSHUANPEIYONGYOUSEJINSHULUOMU,ZEKEGAISHANLUOWENYASHOULIFENPEI,TIGAOLUOSHUANPILAOQIANGDUDA40%。

  2、減小附加應力

幸运飞艇很难玩   ZHUYAOZHIWANQUYINGLI。LUOWENYAGENDUIWANQUHENMINGAN,ZAIXIANGDANGDADELAYINGLIXIAWANQUYINGLIDUILUOSHUANDUANLIEQIGUANJIANZUOYONG。

  JIZHONGJIANXIAOHUOBIMIANWANQUYINGLIDECUOSHI:a.CAIYONGQIUMIANDIANQUAN。b.CAIYONGXIEDIANQUAN。c.CAIYONGTUTAI。d.CAIYONGCHENTOUZUO。e.CAIYONGHUANYAO。

  3、減輕應力集中

幸运飞艇很难玩   LUOWENDEYAGENHESHOUWEI、LUOSHUANTOUBUYUSHUANGANJIAOJIECHU,DOUYOUYINGLIJIZHONG,SHICHANSHENGDUANLIEDEWEIXIANBUWEI;TEBIESHIZAIXUANHELUOWENDEYAGENCHU,YOUYUSHUANGANLASHEN,YASHOUWANJIAN,ERQIESHOULIBUJUN,QINGKUANGGENGWEIYANZHONG。SHIDANGJIADAYAGENYUANJIAOBANJINGYIJIANQINGYINGLIJIZHONG,KETIGAOLUOSHUANPILAOQIANGDUDA20%~40%;ZAILUOWENSHOUWEICHUYONGTUIDAOCAO、ZAILUOMUCHENGYAMIANYINEIDESHUANGANYOUYULIULUOWENDENG,DOUYOULIANGHAOXIAOGUO。

  4、降低應力幅

  LUOSHUANDEZUIDAYINGLIYIDINGSHI,YINGLIFUYUEXIAO,PILAOQIANGDUYUEGAO。ZAIGONGZUOZAIHEBUBIANDEQINGKUANGXIA,JIANXIAOLUOSHUANGANGDUHUOZENGDABEILIANJIEJIANGANGDUDOUNENGDADAOJIANXIAOYINGLIFUDEMUDE,DANYUJINLIZEZENGDA。

  JIANXIAOLUOSHUANGANGDUDECUOSHIYOU:SHIDANGZENGDALUOSHUANDECHANGDU;BUFENJIANXIAOSHUANGANZHIJINGHUOZUOCHENGZHONGKONGDEJIEGOU——ROUXINGLUOSHUAN。ROUXINGLUOSHUANSHOULISHIBIANXINGLIANGDA,XISHOUNENGLIANGZUOYONGQIANG,YESHIYUCHENGSHOUCHONGJIHEZHENDONG。

  5、選擇恰當的預緊力并保持不減退

  YOUYUDUOZHONGYINSUDEYINGXIANG,LUOSHUANHEBEILIANJIEJIANDEGANGDUBUBIAN,ZHIQIADANGDIZENGDAYUJINLI,NENGTIGAOLUOSHUANDEPILAOQIANGDU,ZHEJIUSHILUOSHUANYUJINYINGLIYOUSHIGAODA(0.7~0.8)S?DEYIGEYUANYIN。WEICI,ZHUNQUEKONGZHIYUJINLIBINGBAOCHIQIBUJIANTUISHIHENZHONGYAODE。

  6、改善制造工藝

  ZHIZAOGONGYIDUILUOSHUANPILAOQIANGDUYOUZHONGYAOYINGXIANG。CAIYONGZHANZHILUOWENSHI,YOUYULENGZUOYINGHUADEZUOYONG,BIAOCENGYOUCANYUYAYINGLI,JINSHULIUXIANHELI,LUOSHUANPILAOQIANGDUKEJIAOCHEZHILUOWENGAO30%~40%;RECHULIHOUZAIGUNYADEXIAOGUOGENGHAO。

幸运飞艇很难玩   TANDANGONGSHEN、SHENDAN、PENWANCHULIDOUNENGTIGAOLUOSHUANPILAOQIANGDU。

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