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热镀锌管中螺旋钢管是如何生产的?

来源:http://www.n-impact20.com

【 发布于:2019-04-10 16:36:33 】


螺旋钢管的工艺流程:

The technological process of spiral steel pipe:

原资料即带钢卷,焊丝,焊剂。在投入前都要经过严厉的理化检验。

The original data are strip coil, welding wire and flux. Strict physical and chemical tests are required before investment.

带钢头尾对接,采用单丝或双丝埋弧焊接,在卷成钢管后采用自动埋弧焊补焊。

The head and tail of strip are butted by submerged arc welding with single or double wires, and repaired by automatic submerged arc welding after coiling into steel pipe.

热镀锌管厂家中螺旋钢管的工艺流程

Process Flow of Spiral Steel Pipe in Hot Galvanized Pipe Manufacturers

热镀锌管厂家带钢经过矫平、剪边、刨边,外表清算保送和予弯边处置。

Hot-dip galvanized pipe manufacturer strip steel after leveling, trimming, edge shaping, surface clearing, delivery and bending disposal.

采用电接点压力表控制保送机两边压下油缸的压力,确保了带钢的平稳保送。

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The electric contact pressure gauge is used to control the pressure of the cylinder on both sides of the conveyor to ensure the smooth delivery of the strip.

采用焊缝间隙控制安装来保证焊缝间隙满足焊接请求,管径,错边量和焊缝间隙都得到严厉的控制。

Weld clearance control installation is adopted to ensure that weld clearance meets welding requirements, pipe diameter, offset and weld clearance are strictly controlled.

热镀锌管厂家中螺旋钢管的工艺流程

Process Flow of Spiral Steel Pipe in Hot Galvanized Pipe Manufacturers

大富彩票平台内焊和外焊均采用美国林肯电焊机停止单丝或双丝埋弧焊接,从而取得稳定的焊接标准。

Both internal and external welding use Lincoln electric welding machine to stop single wire or double wire submerged arc welding, so as to achieve stable welding standards.

切成单根钢管后,每批钢管头三根要停止严厉的首检制度,检查焊缝的力学性能,化学成份,溶合情况,钢管外表质量以及经过无损探伤检验,确保制管工艺合格后,才干正式投入消费。

After cutting into single steel pipe, the strict first inspection system should be stopped for each batch of steel pipe heads, and the mechanical properties, chemical composition, dissolution, appearance quality of steel pipe and non-destructive inspection should be checked to ensure that the pipe-making process is qualified before formal consumption。

热镀锌管厂家中螺旋钢管的工艺流程

Process Flow of Spiral Steel Pipe in Hot Galvanized Pipe Manufacturers

大富彩票平台带钢对焊焊缝及与螺旋焊缝相交的丁型接头的所在管,全部经过X射线电视或拍片检查。

The tube where the butt weld of strip steel and the T-joint intersected with the spiral weld are all inspected by X-ray television or photography.

每根钢管经过静水压实验,压力采用径向密封。实验压力和时间都由钢管水压微机检测安装严厉控制

After hydrostatic test, the pressure of each steel pipe is sealed radially. The experimental pressure and time are strictly controlled by the installation and testing of the water pressure of steel pipes by a computer.



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