<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!
              全國咨詢熱線:13904124287

              350rolling mill誠信企業(yè)推薦「多圖」

              【廣告】

              發(fā)布時間:2020-12-31 03:08  






              閉口式機架為一整體鑄件制成。這種機架形式在型鋼車間中小型軋機上應用較多。其優(yōu)點是強度和剛度較高,輥跳值較小,產品精度較高。其主要缺點是制造比較困難,裝卸、換輥不方便。關于機械產量,二十世紀七十年代后期,控制冷卻技術的發(fā)展使得鋼板軋制中的TMCP技術得到廣泛發(fā)展。軋制壓力較大、對軋件尺寸要求比較嚴格時常采用閉口式機架。如初軋機、型鋼連軋機和型鋼成品軋機等。

              The closed frame is made of a whole castings. This type of frame is used more in the small and medium mill in the steel workshop. Its advantages are that the strength and stiffness are high, the roll jump value is small and the precision of the product is high. Its main disadvantage is that it is difficult to manufacture, and it is inconvenient to load and load and change the roll. When the rolling pressure is larger and the requirements for the size of the rolled piece are strict, the closed frame is often used. Such as the early rolling mill, the type steel continuous rolling mill and the steel finished rolling mill, etc.


              半閉口式機架是機架與機架蓋之間采用斜楔連接的一種機架。這種機架兼有開口式機架和閉口式機架的優(yōu)點,裝卸、換輥方便,制造容易,并有較高的剛度,故一般大中型的型鋼軋機都采用這種形式的機架。



              A semi closed frame is a frame with a wedge between the frame and the frame cover. The rack has the advantages of open frame and closed frame. It has the advantages of loading and unloading, easy roll changing, easy manufacture and high rigidity. Therefore, a large and medium-sized steel mill is adopted in this form.


              軋機專業(yè)廠家介紹,在熱軋機運行的過程中,關于其的溫度控制系統(tǒng)主要包括兩個部分,分別為可逆軋機溫度控制系統(tǒng)以及連軋機溫度控制系統(tǒng)。



              In the process of rolling mill, the temperature system of the hot rolling mill mainly includes two parts, which are the temperature system of the reversible rolling mill and the temperature system of the continuous rolling mill.


              行業(yè)推薦
              主站蜘蛛池模板: 亚洲精品国精品久久99热| 天堂一区在线观看| 精品熟人妻一区二区三区四区不卡| 少妇高潮喷水久久久影院| 清苑县| 人妻精品视频| 亚洲人成网站观看在线观看 | 欧美黑人又粗又长| 99精品国产在热久久婷婷| 国产精品麻豆欧美日韩ww| 丁香花在线影院观看在线播放| 精品自拍网| 亚洲最大三级网站| 久久国产免费直播| 亚洲国产成人久久精品软件| 屁屁影院ccyy备用地址| 少妇特殊按摩高潮惨叫无码| 日本牲交大片免费观看| 91视频在| 精品九九在线| 南投市| 东京热加勒比综合| 国产午夜精品久久精品电影| 欧美激情 亚洲 在线| 久久被窝亚洲精品爽爽爽| 免费无码又爽又黄又刺激网站| av淘宝国产在线观看| 40岁成熟女人牲交片20分钟| 日日插中文字幕| 亚洲永久免费精网站| 偃师市| 木里| 任你艹| 国产成人久久久777777麻豆| 逆3p在线| 亚洲无码一区二区三区蜜桃| 另类天堂天堂av| 动性与另类XXXXX杂性| 九九热精品在线观看| 艳妇乳肉豪妇荡乳av无码福利| 男女做aj视频免费的网站|