常見例句Failure anlysis in unde(?) on the br(?)ak of flash welding seam of rail. 對鋼軌閃光焊縫脆斷做了失效分析。By way of studying thehardness of rail weld after flash welding or thermit welding, it is shown that bainite rail AB1 has higher. 介紹了熄焦車軌道改造前存在的問題,對鋁熱焊接進行了理論分析,闡述了鋁熱焊接行車軌道的社會效益及經(jīng)濟效益。Flash can be continual and steady,and then,the good welding joints could be obtained by properly controlling feeding speed of shifting unit of rail continuous flash welding. 有效地控制鋼軌連續(xù)閃光焊的動力柱送進速度,可以使整個焊接過程保持連續(xù)和穩(wěn)定的閃光,從而獲得優(yōu)良的焊接接頭。The features of manual downhill welding,semiautomatic welding,automatic welding and other welding technologies like butt flash welding and laser beam welding (LEW) and so on are analyzed. 分析了手工下向焊、半自動焊、自動焊及特種焊等焊接方法的特點,在選擇焊接方法時應(yīng)考慮管道直徑、壁厚、管道長度、設(shè)計條件、管子級別等因素。It elaborates on the movable flash welder, clamping and feed equipment, upsetting equipment, welding transformer and transformer cooling water pump station in billet welding. 描述了鋼坯焊接中的移動式閃光焊機的夾緊與饋電裝置、頂鍛裝置、焊接變壓器、變壓器冷卻水泵站等。Flash welding method of long rail 長軌接觸焊方法 返回 flash welding