<em id="b06jl"></em>
      <tfoot id="b06jl"></tfoot>
      <tt id="b06jl"></tt>

        1. <style id="b06jl"></style>

              狠狠干奇米,国产igao,亚卅AV,污污内射在线观看一区二区少妇,丝袜美腿亚洲综合,日日撸日日干,91色鬼,夜夜国自一区
              您好,歡迎來到易龍商務網!

              圣霖國際魚尾板廠家服務為先,圣霖國際創新發展

              發布時間:2020-10-27 08:43  

              【廣告】







              合理的模具設計。在級進模中,下料順序的安排有可能影響到沖壓件成形的精度。針對沖壓件細小部位的下料,一般先安排較大面積之沖切下料,再安排較小面積的沖切下料,以減輕沖裁力對沖壓件成形的影響。

              Reasonable mold design. In progressive die, the order of blanking sequence may affect the accuracy of stamping forming. In order to reduce the impact of punching parts, the punching and cutting blanking of small area is arranged in the light of the blanking of the small parts of the stamping parts.





              將閉合的模具放置于雎力機工作臺或墊板上適當位置,如果使用氣墊,先要放好頂桿,并標記好模具的擺放位置。

              手動扳動沖壓機床飛輪(或操縱點動按鈕),使機床上滑塊下行并停于下死點位置。


              Place the closed mould on the bench or pad of the mandrel machine. If the air cushion is used, the ejector pin should be placed first and the placement of the mould should be marked.

              Manually pull the flywheel of the stamping machine (or  the moving button), so that the slider on the machine tool will be downhill and stop at the bottom dead center.