天气预报 > 其他 > 水钻钻头怎么开刃
水钻钻头怎么开刃
更新时间: 2020-09-18 00:00:00  

水钻钻头不需要开刃。

水钻钻头切削部分是金刚石的,在钻孔过程中,金刚石颗粒起切削作用,粘接剂一般为铜合金,硬度小于金刚石而不断被磨损,使新的金刚石颗粒不断露出进行钻孔切削,只要还有金刚石颗粒就不需要开刃,而当金刚石使用完则应当重新换取水钻钻头。

关键词: 钻头 怎么

水钻钻头怎么开刃相关经验

天气预报

最新推荐

页面:/news/view-374698/ | 耗时:0.0897 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=374698 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=374698 LIMIT 0,1
select * from tbl_Articles_sphinx where id=374698 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1091251,1122751,1056672,1126328,1072745,1111618,1092040,1107337,1108165,1093675,1126740,1114000,1065087,1124849,1104763,1121872,1123271,1105029,1106250,1089616,1089612,1046926,1071759,1123377,1115267,1074250,1094795,1108982,1110590,1125047) ORDER BY field (ArticleID,1091251,1122751,1056672,1126328,1072745,1111618,1092040,1107337,1108165,1093675,1126740,1114000,1065087,1124849,1104763,1121872,1123271,1105029,1106250,1089616,1089612,1046926,1071759,1123377,1115267,1074250,1094795,1108982,1110590,1125047)