H.F pipe line 508mm pipe mill

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[Product introduction]

Material to be processed:Carbon Steel, Cold Hot Rolled pre slit strip coils of weld able grade with max. 0.2% carbon
Type of Production: * Round Tubes*Squar *Square and Rectangular Hollow Sections
Round Tube Outside Diameter: Min 219 Max 508mm
Square Hollow Section: Min 170 x170 Max 330x330 mm
Rectangular Hollow Section: Min 150x 200mm Max300x 250 mm
Tube Thickness: Min 3.0mm Max 18.0 mm (X70≤14mm)
Forming Line Speed: Max 30m/min (Square and Rectangular Hollow Shapes are produced at lower speeds depending on side to wall thickness ratio)
Tube Cut Length: Min 4 Max 15 meter
Length Accuracy: ± 3mm

Line Composion

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:Improvement in rolling forming process: It is difficult to control the rolling process and can cause waste easily.

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: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.

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: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: Rolling process is a cold forging process, which can be used for rolling and forming a lot of materials. Among them, low carbon steel is a material commonly used in rolling forming, and non-ferrous metal is more suitable for roll forming.

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.

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