琪琪色原网站在线观看,国产伦精品一区二区三区免费,久久99精品久久久久婷婷,国产freesexvideos中国麻豆

Jiangmen hardware accessories factory analyzes its hardware molds according to the combination of processes, which are divided into?

2019-12-29 1060

  Life often see mold, then hardware mold according to the combination of processes, which can be divided into several?

  1. Single process module

  In one stroke of the press, only one stamping process is completed.

  2. Compound module

  There is only one working position. In one stroke of the press, two or more stamping processes are completed on the same working position hardware mold at the same time.

  3. Progressive die (also called continuous die)

  In the feeding direction of the blank, there are two or more stations. In one stroke of the press, two or more stamping processes are completed in different stations one by one. Continuous die (progressive die), press in a stamping stroke, using strip stamping raw materials, in a pair of die with several different stations at the same time to complete multiple stamping process of cold stamping die, die every time the completion of a stamping, the strip fixed distance movement once, until the completion of the product. In the process of continuous die stamping, the material strip always moves in one direction; the progressive die moves in two or more directions after the material strip inside the die is cut off; the automatic continuous die completes the material strip feeding inside the die; the mechanical hand or other automatic facilities of stamping die with different processes are used in a stamping production chain to complete the work piece by using the die or part movement Stamping rated die is called multi position die.

  Finally, let's popularize one of the key parts in the mold accessories - mold spring.

  Mold spring includes: Japanese standard mold spring, German standard mold spring, spring, polyurethane spring, usually mold spring refers to rectangular mold spring. Die spring is widely used in stamping die, metal die-casting die, plastic mold and other elastic motion precision mechanical equipment, automobile and other fields. The die spring is generally made of chromium alloy steel. Chromium alloy spring steel has the characteristics of high temperature resistance, high rigidity and long service life. The rectangular die spring has the characteristics of small volume, good elasticity, large rigidity, high precision, rectangular material, color separation spraying (plating) on the surface to distinguish different loads, beautiful appearance, etc.

  Jiangmen hardware accessories factory http://dealbeamer.com//


天堂资源最新在线| 久久久无码精品亚洲日韩按摩| 中文亚洲av片在线观看不卡| 久久人妻内射无码一区三区| 天天做天天爱夜夜爽| 久久精品国产99久久无毒不卡 | 亚洲日韩国产av无码无码精品| √8天堂资源地址中文在线| 精品久久人妻av中文字幕| 亚洲国产精久久久久久久| 麻豆精品国产精华液好用吗| 国产女人被狂躁到高潮小说| 免费无码av片在线观看播放| 边做边流奶水的人妻| 美女无遮挡免费视频网站| 后入内射欧美99二区视频| 国产精品污www一区二区三区| 艳妇臀荡乳欲伦交换在线播放| 亚洲永久精品ww47| 白天躁晚上躁麻豆视频| 免费看无码特级毛片| 亚洲成在人线在线播放无码| 久久无码专区国产精品| 亚洲av无码国产精品色| 欧美亚洲色综久久精品国产| 亚洲av无码一区二区一二区 | 色婷婷五月综合亚洲小说| 日欧一片内射va在线影院 | 国产精品无码v在线观看| 中文幕无线码中文字蜜桃| 亚洲va韩国va欧美va| 欧美综合自拍亚洲综合图| 最近免费中文字幕mv在线视频3| 久久亚洲av成人出白浆无码国产| 中国gay片男同志免费网站| 亚洲日韩国产精品乱-久| 国产色xx群视频射精| 久激情内射婷内射蜜桃人妖| 国产精品美女久久久久| 99久久夜色精品国产网站| 久久久久亚洲精品无码网址色欲|