• <ruby id="pjnoh"><acronym id="pjnoh"></acronym></ruby>

        国产精品人妇一区二区三区,A三级三级成人网站在线视频,国产精品中文字幕二区,色偷偷www.8888在线观看,377P欧洲日本亚洲大胆,国产综合一区二区三区麻豆,国产女人高潮视频在线观看,国产人妻熟女呻吟在线观看
        “"From manufacturing to intelligent manufacturing, making inspection tools simpler", welcome to Ziyuan Metal!

        Company News Industry News

        The structure and classification of hardware molds?

        Publisher: Administrator Date:2024-01-10

        In industrial production, hardware molds are used in various presses and specialized tools installed on presses. So what are their structures and classifications? Let's briefly introduce it below!
        Structure: Generally, a simple stamping die is composed of a convex die, a concave die, a convex die fixing plate, a concave die fixing plate, a discharge plate, a base, an upper support, a cushion plate, etc.
        Classification:
        (1) According to their process properties, they are divided into cutting dies, punching dies, trimming dies, bending dies, drawing dies, forming dies, and flanging dies, etc;
        (2) According to their combination of processes, they are divided into single process molds, composite molds, and continuous molds;
        (3) According to the structural form, it can be divided into unguided molds, guide pillar molds, and guide plate molds according to the upper and lower mold guidance methods; Divided into fixed unloading die and elastic unloading die according to the unloading device; According to the form of material blocking, it is divided into fixed material blocking nail punching die, movable material blocking pin punching die, guide pin punching die, and side edge fixed distance punching die, etc;
        (4) According to the materials used for convex and concave molds, they are divided into hard alloy molds, steel hard alloy molds, steel sheet dies, rubber dies, and polyester dies, etc.
        • Service hotline

          0769-84566818

          CopyRight ? Copyright 2024 Dongguan Ziyuan Metal Products Co., Ltd.
          粵ICP備2021104822號

        Research

        主站蜘蛛池模板: 亚洲国产成人自拍视频网| 久久综合九色综合欧洲98| 欧美国产日韩在线三区| 亚洲国产欧美在线人成AAAA| 亚洲产在线精品亚洲第一站一| 九九热在线观看视频精品| 欧美va亚洲va在线观看| 久久人妻av一区二区三区| 日韩av中文字幕有码| 午夜精品福利亚洲国产| 日韩亚av无码一区二区三区| 蜜臀av一区二区三区日韩| 国产精品午夜福利资源| 潮喷失禁大喷水无码| 妺妺窝人体色WWW看人体| 国产AV无码专区亚洲AV| 久久国产精品色av免费看| 久久久久青草线蕉亚洲| 内地偷拍一区二区三区| 无套内谢少妇毛片在线| 高潮videossex潮喷| 免费黄色福利| 国产成人高清精品亚洲| 久久亚洲精品ab无码播放| 国产极品丝尤物在线观看| 亚洲国产精品久久久久婷婷图片| 色成人精品免费视频| 日韩成人一区二区三区在线观看| 日韩人妻少妇一区二区三区| 亚洲无码a∨在线视频| 中文字幕在线精品视频入口一区| 国产成人午夜精品影院| 成人无码区免费视频网站| 国产精品国产三级国快看| 欧美性一区| 好男人官网资源在线观看| 亚洲AV无码精品色欲av| 久久夜色精品久久噜噜亚| 天天爽天天摸天天碰| 国产成人精品亚洲高清在线| 免费视频一区二区三区亚洲激情 |