天气预报 > 其他 > 光洁度是如何定义的
光洁度是如何定义的
更新时间: 2020-09-27 00:00:00  

1、即表面粗糙度,是指加工表面具有的较小间距和微小峰谷不平度;

2、光切显微镜是一种专用测量粗糙度的设备,以光切法测量零件加工表面的微观不平度;

3、其两波峰或两波谷之间的距离很小,属于微观几何形状误差;

4、表面粗糙度越小,表面越光滑,表面粗糙度的大小,对机械零件的使用性能有很大的影响。

关键词: 光洁度 如何 定义

光洁度是如何定义的相关经验

天气预报

最新推荐

页面:/news/view-2533753/ | 耗时:0.0227 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=2533753 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2533753 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2533753 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1092868,1126577,1063559,1100527,1085842,1132883,1049836,1057545,1132859,1086698,1063467,996794,1048878,1132913,1077976,1061044,1106711,993145,1114270,1062999,1005452,585298,1041343,1126690,1057447,1052599,1128531,1108724,1052415,1090032) ORDER BY field (ArticleID,1092868,1126577,1063559,1100527,1085842,1132883,1049836,1057545,1132859,1086698,1063467,996794,1048878,1132913,1077976,1061044,1106711,993145,1114270,1062999,1005452,585298,1041343,1126690,1057447,1052599,1128531,1108724,1052415,1090032)