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上傳時間:2018-03-17 08:55:42來源:幾種主要軋管工藝的誕生
繼周期軋管工藝之后,世界上又先后出現了多種軋管工藝。其中包括艾哈德軋管、自動軋管、狄塞爾軋管、三輥軋管、熱擠壓管、連續軋管、冷拔(軋)管、熱擴管等8種軋管工藝。現分別予以介紹。

JIZHOUQIYAGUANGONGYIZHIHOU,SHIJIESHANGYOUXIANHOUCHUXIANLEDUOZHONGYAGUANGONGYI。QIZHONGBAOKUOAIHADEYAGUAN、ZIDONGYAGUAN、DISAIERYAGUAN、SANGUNYAGUAN、REJIYAGUAN、LIANXUYAGUAN、LENGBA(YA)GUAN、REKUOGUANDENG8ZHONGYAGUANGONGYI。XIANFENBIEYUYIJIESHAO。

1 艾哈德(Ehrhardt)軋管工藝

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2 自動軋管工藝

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3 狄塞爾軋管工藝和Accu Roll軋管工藝

Sam DiescherSHOUXIANGOUSIJIANGXUANZHUANDAOPANYINRUERGUNXIEYAJIDAITIYUANXIANDEDAOBAN,YIJINXINGYANSHENYAGUAN,BINGYU1932NIANDANSHENGDIYITAIDISAIER(Diescher)YAGUANJI。BANGESHIJIZHIHOU,MEIGUOASGONGSISHOUXIANJIANGZHUIXINGGUNYINRUXIEYAGUANJIBINGHUODEZHUANLI,1989NIANSHIJIESHANGDIYITAIAccu RollYAGUANJIZAIWOGUOYANTAITOURUSHENGCHAN。

4 三輥軋管工藝

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5 熱擠壓管工藝

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6 連續軋管工藝

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7 冷拔(軋)管工藝

WEILEKUODA、BUCHONGJITIGAOREYAWUFENGGANGGUANDEPINZHONGHEZHILIANG,SUOCAIYONGDEGUANCAIERCIJIAGONGJISHU——LENGBA(YA)JIREKUOGUANGONGYIYIDEDAOXIANGYINGFAZHAN。

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刘伯温四肖期期免费 CAIYONGLENGBA(YA)FANGFABUJINKEYISHENGCHANREYAFANGFANANYISHENGCHAN(HUOBUJINGJI)HUOWUFASHENGCHANDEGUIGEPINZHONGJIGAOZHILIANGYAOQIUDECHANPIN,ERQIEYEKECAIYONGCHUANYAMAOPIDAITIREYASHENGCHANXIAOGUIGEGANGGUANJIGAOZHILIANGDETESHUPINZHONG(RUZHOUCHENGGUAN、BUXIUGANGGUANDENG)。MUQIANWOGUOLENGBA(YA)CHANPINZHANWUFENGGANGGUANZONGCHANLIANGDE20%ZUOYOU,YUANGAOYUMEIGUO、RIBEN、ELUOSIDENGGUODECHANLIANG。

8 熱擴管工藝

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現今熱軋無縫鋼管生產的基本工藝是:坯料準備→加熱→穿(沖)孔→ 再加熱軋管→定徑→精整、檢查、測試(冷卻、矯正、切(鋸)頭、取樣、探傷、水壓、測重稱重、防腐等)→包裝入庫。

其中主要熱變形工序是穿(沖)孔、軋管及定(減)徑刘伯温四肖期期免费。穿(沖)孔主要是將實心管坯變成中空的荒管;軋管主要是減壁及控制壁厚,亦是縱向延伸變形的主要工序;定(減)徑主要是減徑及控制外徑,同時也可調整壁厚(張力減徑)。

由于軋管工序不僅是軋管縱向變形的主要工序,而且對壁厚控制,表面質量,以至整個機組的生產效率都起著至關重要的作用。因而人們已習慣于將軋管工序的名稱稱為該機組的型式,如連軋管機組、自動軋管機組、精密軋管機組等。

由于對無縫鋼管質量的高要求及熱軋鋼管機組高效、快速發展,促使鋼管精整工藝和設備進一步發展及現代化。步進式冷床、多輥式鋼管矯直機、高效切管機及排管鋸、快速銑頭倒棱機、自動測長、稱重、噴印及機械化捆扎裝置等相繼出現并廣泛應用。而相關技術的發展,特別是連鑄圓坯工藝的日趨成熟以及在線檢測、自動控制技術的運用更加推動了無縫鋼管生產技術的發展。對產品的更高質量要求及專用管材還需進一步進行熱處理(正火、退火、調質等)和機加工(車絲扣、扒皮、磨光、端部加厚等)。

 

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