• <tfoot id="zghua"></tfoot>
    <wbr id="zghua"><span id="zghua"></span></wbr>
    <p id="zghua"><strike id="zghua"></strike></p>
    <tr id="zghua"><td id="zghua"></td></tr>

    久久国模吧,精品人妻一二,丰满的少妇愉情HD高清果冻传媒,人妻在线资源,亚洲精品专区,成人网中文字幕,无码中文幕熟AⅤ一区二区,九九精品视频在线免费观看
    Latest News
    2015/3/21
    Comparison bet
    2015/1/22
    The importance
    2015/1/21
    Troubleshootin
    2014/12/15
    Machinery Exhi
    2014/12/15
    Rayliter Works
    Search
    current position:Home > News > Company News

    Principle of screw head cold heading machine

    Source:http://m.yyoucheng.com     Author:冷鐓機(jī)     Time:2014/8/17     Click:
         The forging method of thickening the top of bar or wire at room temperature. Cold heading machines are mainly used to manufacture parts such as bolts, nuts, nails, rivets, and steel balls. The forging billet material can be copper, aluminum, carbon steel, alloy steel, stainless steel, titanium alloy, etc., and the material utilization rate can reach 80-90%. Cold heading is often carried out on specialized cold heading machines, which facilitates continuous, multi station, and automated production. The cold heading machine can sequentially complete processes such as cutting, heading, accumulation, forming, chamfering, wire rolling, diameter reduction, and edge cutting. High production efficiency, reaching over 300 pieces per minute, with a maximum diameter of 48 millimeters for cold heading workpieces. The schematic diagram of the cold heading bolt process is a typical process for cold heading bolts. The multi station nut automatic cold heading machine is a multi station nut automatic cold heading machine. The bar material is automatically fed into a certain length by the feeding mechanism, cut into blanks by the cutting mechanism, and then sequentially sent to the accumulation and punching stations for forming by the clamp conveying mechanism.
    主站蜘蛛池模板: 欧美老妇一区二区| 久热这里只有精品12| 超薄丝袜美腿尤物在线观看| 涟水县| 欲香欲色天天天综合和网| 美女黄18以下禁止观看| 亚洲中文无码手机永久| 亚州成人在线| 国产AV一区二区三区 | 亚洲欧美日韩精品色xxx| 亚洲人成电影在线播放| 亚洲av午夜福利精品一区二区| 婷婷五月麻豆| 无码人妻丰满熟妇区五十路百度| 欧美老熟妇videos极品另类| 亚洲一区二区三区在线播放无码| 亚洲熟女视讯2| 日本强伦姧人妻一区二区| 极品人妻videosss人妻| 久久久久亚洲av成人网址| 国产v片在线播放| 日日视频色| 少妇愉情理伦片丰满丰满午夜| 亚洲最大在线精品| 2025亚洲无码视频| 亚洲爆乳精品无码一区二区三区| 99re久久资源最新地址| 四虎在线成人免费观看| 伊人偷拍| 无码福利一区二区三区| 日本高清熟妇老熟妇| 久久久人妻| 金寨县| 国产妇女馒头高清泬20p多| 高清国产一区二区无遮挡| 2025AV在线| 国产成人亚洲综合无码| 国产精品乱码高清在线观看| 色啪视频| 高碑店市| 色一情一区二区三区四区|