天气预报15天查询> 其他> 冷冲压包括几个步骤

冷冲压包括几个步骤

更新时间: 2020-08-19 00:00:00     

冷冲压是利用安装在压力机上的冲模对材料施加压力,使其产生分离或塑性变形,从而获得所需要的零件(俗称冲压件或冲件)的一种压力加工方法。包括两道工序:

1、分离工序:冲压工件与板料沿要求的轮廓线相互分离。

2、成形工序:毛坯在不被坏的条件下发生塑性变形,获得所需形状,尺寸和精度的加工方法。

关键词: 冲压 包括 步骤

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1358648/ | 耗时:0.6698 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1358648 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1358648 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1358648 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(153886,198884,1131914,1126760,2114243,214438,1578059,2470999,2854517,1092642,1056202,112479,138639,1133399,2921282,127683,138006,190392,1122422,541014,316639,173180,1130556,153677,125337,123471,3380594,198663,1092428,1102957) ORDER BY field (ArticleID,153886,198884,1131914,1126760,2114243,214438,1578059,2470999,2854517,1092642,1056202,112479,138639,1133399,2921282,127683,138006,190392,1122422,541014,316639,173180,1130556,153677,125337,123471,3380594,198663,1092428,1102957)