天气预报 > 其他 > 公螺纹与母螺纹怎样区别
公螺纹与母螺纹怎样区别
更新时间: 2020-08-14 00:00:00  

公螺纹:外圆柱表面带螺纹的零件,叫公螺纹,一般称螺丝、螺栓、螺钉等;母螺纹:螺纹孔,一般称螺帽、螺母。搓丝板上面的螺纹就是母螺纹,它要生产数以万计的螺丝杆。“母螺纹”精度不好,“母螺纹”的精度要求比较高,这条丝杠是为加工螺纹时用的,内孔带螺纹的零件,叫母螺纹。

关键词: 螺纹 怎样 区别

公螺纹与母螺纹怎样区别相关经验

天气预报

最新推荐

页面:/news/view-1477791/ | 耗时:0.3347 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1477791 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1477791 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1477791 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1716550,495392,1086394,211283,1611912,1131063,1117043,150553,150594,185318,805730,1667150,1083473,1127587,1113417,1672165,1114590,2225033,1055758,1125540,1122801,997166,1060505,1068564,1106360,1356713,318109,1698474,1126548,849529) ORDER BY field (ArticleID,1716550,495392,1086394,211283,1611912,1131063,1117043,150553,150594,185318,805730,1667150,1083473,1127587,1113417,1672165,1114590,2225033,1055758,1125540,1122801,997166,1060505,1068564,1106360,1356713,318109,1698474,1126548,849529)