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1.热轧无缝管一般在自动轧管机组上生产。实心管坯经检查并清除表面缺陷,截成所需长度,在管坯穿孔端端面上定心,然后送往加热炉加热,在穿孔机上穿孔。

1 hot rolling seamless pipe production in general automatic tube mill. Solid tube blank check and clear the surface defects, cut into required length, in the tube hole end surface of centering, then sent to a heating furnace, in punch.

在穿孔同时不断旋转和前进,在轧辊和顶头的作用下,管坯内部逐渐形成空腔,称毛管。再送至自动轧管机上继续轧制。最后经均整机均整壁厚,经定径机定径,达到规格要求。

In perforated while continuing to rotate and advance, in the roll and immediate action, tube gradually form a cavity, called capillary. Sent to the automatic tube rolling mill on rolling. Finally, all the machines are the whole wall thickness, diameter sizing machine, to meet the specifications.

利用连续式轧管机组生产热轧无缝钢管是较先进的方法。

It is an advanced method to produce hot rolled seamless steel tube by continuous rolling mill.

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2.若欲获得尺寸更小和质量更好的无缝管,必须采用冷轧、冷拔或者两者联合的方法。冷轧通常在二辊式轧机上进行,钢管在变断面圆孔槽和不动的锥形顶头所组成的环形孔型中轧制。冷拔通常在0.5~100T的单链式或双链式冷拔机上进行。

2 in order to obtain smaller size and better quality of seamless tube, cold rolling, cold drawing method must be used or combined. Cold usually in two roller mill, rolling ring groove tapered plug pipe in variable cross section circular slot and the composition of the. Cold drawing was usually in the 0.5 ~ 100T single chain or double chain drawbench.

3.挤压法即将加热好的管坯放在密闭的挤压圆筒内,穿孔棒与挤压杆一起运动,使挤压件从较小的模孔中挤出。此法可生产直径较小的钢管。

3 extrusion method is about to heat the tube billet in the closed extrusion cylinder, the punching rod and the extrusion rod move together, so that the extrusion parts from the smaller die extrusion. This method can produce smaller diameter steel pipe.

本文由 济钢代理商整理发布,您是不是对这些内容有所了解了呢?更多的内容请点击:http://www.jnyygt.com我们会有更多精彩内容等你查看。

This paper consists of Jinan agents finishing release, you are not to understand these contents? More information please click: http://www.jnyygt.com we will have more wonderful content you see.


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