淺談一下精密無縫鋼管的加工(gong)工(gong)藝和制作流程步驟到底是怎么進行(xing)的？

通俗的來講精密無縫鋼管的生產加工(gong)工(gong)藝大致可分(fen)為兩種，一種是(shi)冷(leng)拔無(wu)縫鋼管，另一種是(shi)熱軋(ya)無(wu)縫鋼管。

但(dan)(dan)是(shi)冷軋(ya)(ya)(ya)(ya)精(jing)密無縫鋼管(guan)(guan)的(de)(de)(de)生(sheng)產流程(cheng)一般(ban)要(yao)(yao)(yao)比(bi)熱(re)(re)(re)軋(ya)(ya)(ya)(ya)要(yao)(yao)(yao)復雜，管(guan)(guan)坯首先要(yao)(yao)(yao)進(jin)行(xing)(xing)(xing)(xing)(xing)三輥連軋(ya)(ya)(ya)(ya)，擠壓后(hou)要(yao)(yao)(yao)進(jin)行(xing)(xing)(xing)(xing)(xing)定徑測試，如(ru)果(guo)表(biao)面(mian)沒(mei)有響應裂紋后(hou)圓管(guan)(guan)要(yao)(yao)(yao)經(jing)(jing)(jing)過割機進(jin)行(xing)(xing)(xing)(xing)(xing)切割，切割成長度約一米的(de)(de)(de)坯料。然(ran)后(hou)進(jin)入退火流程(cheng)，退火要(yao)(yao)(yao)用酸性液體進(jin)行(xing)(xing)(xing)(xing)(xing)酸洗，酸洗時要(yao)(yao)(yao)注意表(biao)面(mian)是(shi)否有大量(liang)的(de)(de)(de)起(qi)(qi)泡(pao)產生(sheng)，如(ru)果(guo)有大量(liang)的(de)(de)(de)起(qi)(qi)泡(pao)產生(sheng)說明(ming)鋼管(guan)(guan)的(de)(de)(de)質量(liang)達不(bu)到響應的(de)(de)(de)標準。外觀(guan)上(shang)冷軋(ya)(ya)(ya)(ya)精(jing)密管(guan)(guan)要(yao)(yao)(yao)短于熱(re)(re)(re)軋(ya)(ya)(ya)(ya)精(jing)密管(guan)(guan)，冷軋(ya)(ya)(ya)(ya)精(jing)密管(guan)(guan)的(de)(de)(de)壁厚(hou)一般(ban)比(bi)熱(re)(re)(re)軋(ya)(ya)(ya)(ya)精(jing)密管(guan)(guan)要(yao)(yao)(yao)小，但(dan)(dan)是(shi)表(biao)面(mian)看起(qi)(qi)來(lai)比(bi)厚(hou)壁精(jing)密管(guan)(guan)更加(jia)明(ming)亮，表(biao)面(mian)沒(mei)有太(tai)多(duo)的(de)(de)(de)粗糙，口徑也沒(mei)有太(tai)多(duo)的(de)(de)(de)毛刺(ci)。 熱(re)(re)(re)軋(ya)(ya)(ya)(ya)精(jing)密管(guan)(guan)的(de)(de)(de)交貨狀態一般(ban)是(shi)熱(re)(re)(re)軋(ya)(ya)(ya)(ya)狀態經(jing)(jing)(jing)過熱(re)(re)(re)處理后(hou)進(jin)行(xing)(xing)(xing)(xing)(xing)交貨。熱(re)(re)(re)軋(ya)(ya)(ya)(ya)精(jing)密管(guan)(guan)在(zai)經(jing)(jing)(jing)過質檢后(hou)要(yao)(yao)(yao)經(jing)(jing)(jing)過工(gong)作(zuo)人員的(de)(de)(de)嚴(yan)格的(de)(de)(de)手工(gong)挑選，在(zai)質檢后(hou)要(yao)(yao)(yao)進(jin)行(xing)(xing)(xing)(xing)(xing)表(biao)面(mian)涂油，然(ran)后(hou)緊接著是(shi)多(duo)次(ci)的(de)(de)(de)冷拔(ba)實驗(yan)，熱(re)(re)(re)軋(ya)(ya)(ya)(ya)處理后(hou)要(yao)(yao)(yao)進(jin)行(xing)(xing)(xing)(xing)(xing)穿(chuan)(chuan)孔(kong)的(de)(de)(de)實驗(yan)，如(ru)果(guo)穿(chuan)(chuan)孔(kong)擴(kuo)徑過大就要(yao)(yao)(yao)進(jin)行(xing)(xing)(xing)(xing)(xing)矯直矯正。在(zai)矯直后(hou)再由傳送裝置傳送到探傷(shang)機進(jin)行(xing)(xing)(xing)(xing)(xing)探傷(shang)實驗(yan)，最后(hou)貼(tie)上(shang)標簽、進(jin)行(xing)(xing)(xing)(xing)(xing)規格編排(pai)后(hou)放置到到倉(cang)庫當中。

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