http://www.hblsmj.com
Drawing die is very simple:
First select the hard alloy (such as YG8 YG15 YG20 YG6, etc.),
And then start to use the internal grinding to set the angle of the hole into the hole of the working area are fine grinding,
And then set (45#), and then the inside and outside station polishing, measurement, testing, packaging can be.
More information: hard alloy die http://www.hblsmj.com/
Drawing die http://hjlszsmj.cn.1688.com
Sealing mould http://www.hblsmj.com |
