【廣告】
碾環(huán)是指通過專用設(shè)備碾環(huán)機(jī)生產(chǎn)不同直徑的環(huán)形零件,主要用來生產(chǎn)汽車輪轂、火車車輪等輪形零件。特種鍛造包括輥鍛、楔橫軋、徑向鍛造、液態(tài)模鍛等鍛造方式,這些方式都比較適用于生產(chǎn)特殊形狀的零件。
Roller ring refers to the production of circular parts with different diameters through the roller ring machine of special equipment, which is mainly used to produce wheel hub, train wheel and other wheel shaped parts. Special forgings include roll forging, cross wedge rolling, radial forging,forging廠家, liquid forging and so on. These methods are suitable for producing parts with special shape.
若因溫度和變形程度選擇不當(dāng)而得到粗大晶粒時(shí),可利用熱處理相變細(xì)化晶粒組織,但對于熱處理中不發(fā)生相變的鋼種,如奧氏體鋼,就必須在鍛造過程中獲得細(xì)小而均勻的晶粒組織,因此對這樣的材料在鍛造時(shí)須加倍注意。
If the temperature and degree of deformation and improper selection of coarse grains, the grain refinement phase change heat treatment, but for the steel phase transition does not occur in the heat treatment,forging報(bào)價(jià), such as austenitic steel,forging采購, it must be in the forging process have fine and uniform grains, so this kind of material in the forging must pay more attention to.
二十世紀(jì)60年代以后,鍛造機(jī)械改變了從19世紀(jì)開始的,雞西forging,向重型和大型方向發(fā)展的趨勢,轉(zhuǎn)而向高速、高效、自動(dòng)、精密、專用、多品種生產(chǎn)等方向發(fā)展。
After 60s twentieth Century, forging machinery changed the trend from nineteenth Century to heavy and large direction, and turned to high speed, high efficiency, automatic, precision, special, multi variety production.
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