Spiral Welded Pipe Mill With Best Quality
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 100 set/month
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The introduction of spiral welded pipe mill
The steel coils are unfolded and leveled by the millequipment. And they are sent to the forming machine in a certain angle.Supplemented by a certain angle, the continual pipes are formed in theprinciple of three-roll rolling machine. Continual spiral welding is welded bysubmerged-arc welding machine.
According to the different function of our products,the spiral welded pipe mills are divides in to API standard model, nationalstandard model and special purpose model. API standard model mainly producesthe delivery pipe with petroleum or natural gas (long distance).the materialand quality of the steel pipe need to be very good. The requirements for millequipment and testing equipment also are very high. National standard modelproduces the pipe used for short distance delivery of natural gas or water, thepipeline construction in the city, the structure pipe, column pipe and so on.The requirements for the material and quality of the steel also are very high,second only to that of API standard. Special purpose mill is used for somespecial purposes. For example, our company developed the special 60～214 mill aiming at the function of petroleum filter.
The specification of our products is fromΦ9 0 toΦ3500.The thickness of the wall is from 1mmto 25.4mm. The materialof our products is from Q235 to X80. Besides, special material such as thestainless steel is included. All of them cover all the mills.
- Q:What is the surface rolling forming machine process?
- The rolling process using metal at room temperature, cold plastic characteristic, through the rolling tool is the rolling tool to put some pressure on the metal surface, so that the workpiece surface by plastic deformation, the height to the lower tissue slip, the surface roughness decreased.
- Q:Improvement in rolling forming process
- It is difficult to control the rolling process and can cause waste easily.
- Q:A roll forming machine, rolling out of the length is always not up to a fixed size, not too small, that is, more than that, what is the cause?
- According to my experience, there should be a problem with the boot encoder (also known as the digital wheel). Thank you. I hope I can help you.
- Q:What kind of material and what heat treatment are used for pressing roller (molding, feeding, cutting force, heavy load, heavy load) of sheet steel rolling machine?
- Use 40Cr or 20Cr, Cr12.Cr12MoV, quenching and tempering treatment, think of hardness, high point, carburizing, nitriding, and consider adding lubrication device to extend its service life
- Q:Process mould for rolling forming process
- Rolling forming is more complicated and requires higher than rolling thread. The die design is based on the different shapes of the workpiece, the design of the rolling plate into a cross section or a few sections, can use synchronous type; also can use grading type.
- Q:What is rolling forming processing?
- A special rolling tool is used to exert certain pressure on the surface of the workpiece so as to make the surface metal flow.
- Q:Material and equipment for roll forming process
- Rolling molding is usually through upsetting a blank cold heading machine, thread rolling machine rolling after processed. The equipment for thread rolling and rolling forming includes various reciprocating flat rolling machines, planetary wire rolling machines, two cylindrical roller spinning machines and three cylindrical roller spinning machines.
- Q:Introduction of roll forming process
- Roll forming began around 1960s in europe. Because of roll forming, the working model has the advantages of high production efficiency, saving material and increasing product strength.
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Spiral Welded Pipe Mill With Best Quality
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 100 set/month
OKorder Service Pledge
OKorder Financial Service
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