• H.F pipe line 325mm Pipe Mill System 1
  • H.F pipe line 325mm Pipe Mill System 2
  • H.F pipe line 325mm Pipe Mill System 3
H.F pipe line 325mm Pipe Mill

H.F pipe line 325mm Pipe Mill

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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 114  Max 273mm

  • Square Hollow Section: Min 130 x130  Max 215 x 215 mm

  • Rectangular Hollow Section: Min 80x 100  Max140x 200 mm

  • Tube Thickness: Min 3.0mm Max 10.0 mm (X70≤8mm)

  • Forming Line Speed: Max 45m/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

Line Composion
  • V-shape pre-discharging table ( V coil stand)

  • Hydraulic charging wagon (coil car)

  • Hydraulic discharging machine (uncoiler).

  • Leveler & flattener

  • 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: 600 kW, Solid State Type(Vaccum Tube Type)

  • Rolls: Rolls are manufactured out of AISI D3  D2 or E52100

  • Hydraulic Units

  • Electrical Panels


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
Can not meet the slender rod, thin-walled tubes and other rigid parts of the processing.
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 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?
Rolling process is a kind of pressure finishing, which is a kind of cold plastic characteristic of metal under normal condition.
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
With the progress of technology and the development of production, more and more attention has been paid to the roll forming process.

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