H.F pipe line 50 pipe line

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[Product introduction]

Product introduction：General Description
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 15 Max 63mm
Square Hollow Section: Min 10 x10 Max 50 x 50 mm
Rectangular Hollow Section: Min 10 x 15 Max 40x 60 mm
Tube Thickness: Min 0.5 Max 3.25 mm
Forming Line Speed: Max 100 m/min (Square and Rectangular Hollow Shapes are produced at lower speeds depending on side to wall thickness ratio)
Tube Cut Length: Min 4 Max 12 meter
Length Accuracy: ± 3mm
Main Drive Motor: DC 55kW×2
Line Composion
Double Mandrel Uncoiler
Shear and TIG Welder
Horizontal Strip Accumulator.
Forming, Welding, Cooling and Sizing Section.
Computer Flying Saw Cut-Off.
Driven Roller Run Out Table, Inspection table Collectors.
Solid State H.F. Induction Welder: 150 kW, Solid State(or 200kW,Vaccum Tube Type).
Rolls: Rolls are manufactured out of AISI D3 D2 or E52100
Electrical Panels

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?: Yes, the width of the bearing plate can be a deviation from the length.

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

Q: Introduction of roll forming process: Not only threaded fasteners industry applications, automobiles, bicycles and other industrial sectors also use rolling forming process, processing complex shapes of parts.

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: 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: 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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