Being the differences of process method, work condition, forging dies used in generalpress have different lose-efficacy forms and life span.
一般压力机用锻模，视其工艺方法、工作条件的不同，其失效形式和使用寿命亦各不相同。
2
The generalpress (enabled by services like Yipit) is able to track with pretty good accuracy what the scale is of the various competitors and their relative growth rates.
A description has been made on a structure and principle of progressive die used on a generalpress for shear, upsetting and automatic feed used for forming small axial parts.