国产不卡视频网站嫩模_亚洲欧美日韩第二页_一区二区三区四区高清视频在线_一本色道久久综合狠狠躁邻居_亚洲激情国产美女_黄网视频在线播放_成人av一区三区_欧美午夜性爱剧场_成人午夜888黄色视频_两个人的视频全免费高清

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

2019-12-29 1525

  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://identifyradio.com//


一级a性色生活片久久无 | 国产精品激情五月综合 | 美女白浆呻吟视频国产成人 | 亚洲国产AV人奶水出来了 | 久久国产免费观看精品3 | 中文字幕乱码亚洲中文在线 | 99ri精品视频在线观看播放动漫 | 91国内揄拍国内精品对白 | 国产中文字幕久久精品网址 | 人妻夜夜爽天天爽三区麻豆AV网站 | 亚洲乱妇老熟女爽到高潮的片 | 中文字幕一区二区三区精华液 | 日本不卡高字幕在线2019 | 亚洲AV秘 无码一区在线 | 国产一区二区三精品久久久无广告 | 免费日韩永久精品大片nba | 国产日韩精品一区二区hd | 欧美午夜精品一区二区蜜桃 | 无套内射在线无码播放 | 中文无码不卡中文免费中文 | 日本强好片久久久久久AAA | 91久久综合亚洲鲁鲁五月天 | 免费无码一区二区精品视频 | 欧美人妻精品一区二区三区 | 欧美日韩一区蜜臀在线播放 | 狠狠色综合7777久夜色撩人 | 国产成人综合青青草原 | 亚洲一区二区三区视频蜜柚 | 国产乱子伦精品无码码专区 | 美女很黄很黄的是免费www | 看国产黄大片在线观看 | 国产动漫一区二区三区无码 | 人妻91麻豆一区二区三区 | 国产精品一区二区久久人人 | 免费观看成人www精品视频在线 | 国产女人高潮视频在线观看 | WWW国产精品内射老熟女 | 日本親子亂子倫XXXX50路 | 中文字幕女人妻热女人妻 | 精品无码中出一区二区 | 久久乐国产精品亚洲综合 |