straight seam HF welded pipe machine
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The introduction of straight seam HF welded pipe mill
The plate in certain width afterslitting line and stripping is unfolded and bent into pipe state. The edge ofthe steel plate is melted by making use of the proximity effect and skin effectof high frequency current. Then, the plate is extruded and welded into the pipeby extruding roller. Straight seam welded pipe mill also is called ERW mill.
The forming styles of straightseam welded pipe can be divided into roll
forming，cage forming, flexible forming, full auto flexibleforming. The mill developed by our company adopts roll forming when havingsmall diameter （Φ≤114） The cageforming is adopted when having middle or small diameter （Φ≤165）. Full auto flexible forming is adoptedwhen having large diameter（Φ≤711）.
According to the productsfunctions, straight seam welded pipe mills are divided into API model, nationalstandard model.
API model mainly produces highlevel steel pipes, such as delivery pipe of petroleum and natural gas, oil wellcasing and so on. The requirements for material and quality are very strict.The mill is equipped with section equipment and technological equipment, suchas IF annealing, air-cooled roll table, ultrasonic inspection, and highpressure hydraulic pressure testing machine, and drifter and so on.
National standard model mainlyproduces the steel pipe, such as water-gas pipe, structure pipe and so on.
- 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 is rolling forming processing?
- Rolling process is a kind of pressure finishing, which is a kind of cold plastic characteristic of metal under normal condition.
- Q: Improvement in rolling forming process
- Can not meet the slender rod, thin-walled tubes and other rigid parts of the processing.
- Q: Introduction of roll forming process
- With the progress of technology and the development of production, more and more attention has been paid to the roll forming process.
- 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?
- Generally speaking, to consider the use of rollers in the requirements, including: 1., good wear resistance, 2. toughness, 3., high hardness, 4. hardened layer (easy to wear after repeated repair)
- Q: What is the surface rolling forming machine process?
- Due to the rolling surface of metal plastic deformation, so that the surface microstructure of cold hardening and grain refinement, forming a dense fibrous, and the formation of residual stress, hardness and strength, so as to improve the surface wear resistance, corrosion resistance and compliance.
- Q: Process mould for rolling forming process
- Press forming is an advanced processing technology, and its remarkable characteristics have been paid attention to by the automobile industry at home and abroad.
- Q: Material and equipment for roll forming process
- The most common type of roll forming is reciprocating flat wire twisting machine. Therefore, for the manufacturers of cold heading machines and screw rolling mills, the design of rolling dies is only a matter of design.
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straight seam HF welded pipe machine
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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