我國小直徑精密(mì)管有著廣闊的發展(zhǎn)前景,調查表明,到1995年需求(qiú)量為1.8X10*~2X10*,外徑(jìng)44.76~10 (12) mm的小直徑(jìng)精密管(guǎn)主(zhǔ)要用於電冰箱、製冷、汽車製造、機械、電氣和輕工業等方麵。長期以來,使用部門主要采用銅管、玲拔鋼管和(hé)雙層製釺焊我管(guǎn)(邦迪(dí)管》。其生產工藝(yì)複雜。成本高(gāo)。隨著電焊(hàn)鋼管技術的進步,焊管質量的提高,用冷乳帶鋼作原料,通過成型一爆接--冷或徑的方法,直接生產高質量(liàng)的小直徑(jìng)精(jīng)密焊管的(de)新工藝被(bèi)廣泛采用。由於其(qí)生產工藝簡單、效率高、質量好、成本飫,在很多領域銅管、冷拔管或邦(bāng)迪管已逐步被精密烘管取(qǔ)代。日本中4.76mm的精密燁管廣泛用於冰箱(xiāng)創造業,西德用φ1om以下的精(jīng)密(mì)焊普製造汽車的(de)刹(shā)車係統。
The survey shows that the demand for small diameter precision tubes in 1995 is 1.8X10*~2X10*, and the diameter of small diameter precision tubes is 44.76~10(12) mm. They are mainly used in refrigerators, refrigeration, automobiles manufacturing, machinery, electrical and light industries. For a long time, the use departments mainly adopt copper pipe, Lingpu steel pipe and double-layer brazing my pipe (Bondi pipe). Its production process is complex. High cost. With the development of electric welded steel pipe technology and the improvement of welded pipe quality, the new technology of directly producing high quality small diameter precision welded pipe with cold latex strip as raw material by forming a burst joint-cold or diameter method has been widely used. Because of its simple production process, high efficiency, good quality and low cost, copper tubes, cold drawn tubes or Bondi tubes have been gradually replaced by precision drying tubes in many fields. Japan's 4.76mm precision Ye tube is widely used in refrigeratory creation industry, while West Germany manufactures automobiles brake system with precision welding under 1 om.
1987年前後,我(wǒ)國已從澳大利亞引進3條邦迪管生產線,年產量為25001/線。另外,從意大利,土(tǔ)耳其引(yǐn)進多條雙層管生產(chǎn)線,加上其他單層管(guǎn)生產線(xiàn),生產能力(lì)已遠遠超過1x 10*t。因此建設:
Around 1987, China has introduced three production lines of Bondi Pipe from Australia, with an annual output of 25001/line. In addition, from Italy and Turkey, several double-layer pipe production lines have been introduced, together with other single-layer pipe production lines, and the production capacity has far exceeded 1 x 10*t. Therefore, construction:
①根據因內(nèi)的市場和現有的工(gōng)藝裝備狀況,1995年以前最多再新建2~ 4條小(xiǎo)直(zhí)徑精密焊管生產(chǎn)線。目前,山東、紅蘇、四川。河南等地正在(zài)新建或擬建這類生產線,請決策者慎(shèn)重全麵考慮。
According to the domestic market and the existing technological equipment, a maximum of 2-4 small diameter precision welded pipe production lines were built before 1995. At present, Shandong, Hongsu and Sichuan. Henan and other places are building or planning to build such production lines. Policymakers should consider them carefully and comprehensively.
②新建(jiàn)的小直徑精密焊(hàn)管機組應采用新型高(gāo)頻感應焊。它不僅經濟效益好,而且對擴大品種規格(φ25mmx 1mm)鍇力很(hěn)大。
(2) New type of high frequency induction welding should be adopted in the newly built small diameter precision welded pipe unit. It not only has good economic benefits, but also has great power to enlarge variety specifications (25mmx 1mm).






