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廠家介紹精軋鋼管的技術特點如何?

發布時間:2018-12-06人氣:134

精軋鋼管采用新技術、冷拔方式生產高精度冷拔鋼管──液壓缸體與傳統的切削工藝比較,精軋鋼管具有以下特點:生產效率高:用傳統的方法生產一根內徑420毫米,12米長的缸筒需154小時,用冷拔方法生產隻需4分鍾。正品率高:由於鏜孔的滾壓頭兼起導向作用,在切削過程中,毛坯管由於自重產生撓度,致使滾壓頭和鏜刀走偏,造成廢品,正品率隻能達到60%左右,而用冷拔方法生產,正品率可達95%以上。

Compared with the traditional cutting process, the finishing steel pipe has the following characteristics: high production efficiency: 420 mm inner diameter, 154 hours for 12 meters long cylinder and 4 minutes for cold drawing. High rate of genuine products: Because the boring rolling head plays a guiding role, in the cutting process, because of the deflection of the blank tube due to self-weight, the rolling head and boring cutter deviate, resulting in waste products, the rate of genuine products can only reach about 60%, while the rate of genuine products produced by cold drawing method can reach more than 95%. 精軋鋼管能改善成品管金屬的機械性能:用拉拔方法生產,使毛坯得到30%以上的塑性變形,由於加工硬化而使成品管金屬的強度限大為提高,一般在成品管內層強度限提高達60%。高精度冷拔管是用無縫熱軋鋼管、直縫焊管為坯料,經過化學處理後在專用冷拔機上,通過特種變形原理設計的模具進行拉拔,生產出高精度管。

Finished steel pipe can improve the mechanical properties of finished pipe metals: by drawing, more than 30% plastic deformation of the blank can be obtained, and the strength limit of finished pipe metals can be greatly increased due to work hardening, generally up to 60% in the inner strength limit of finished pipe. High-precision cold-drawn pipe is made of seamless hot-rolled steel pipe and straight welded pipe. After chemical treatment, it is drawn on a special cold-drawn machine through a die designed by special deformation principle, and high-precision pipe is produced.


精軋鋼管是一種新型高技術節能特點,,高精度冷拔精密鋼管的推廣應用對節約鋼材,提高加工工效,節約能源所謂高精度冷拔無縫鋼管是指內、外徑尺寸精度(公差範圍)嚴格,內外表麵光潔度、圓度、直度良好。

Finish-rolled steel pipe is a new type of high-tech energy-saving feature. The popularization and application of high-precision cold-drawn precision steel pipe can save steel, improve processing efficiency and save energy. The so-called high-precision cold-drawn seamless steel pipe refers to the strict dimension accuracy (tolerance range) of inner and outer diameters, and good surface finish, roundness and straightness.

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