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  • ZG76 high frequency welded pipe line

    • High frequency tube mill

    • Pinching device

    • Decoiler

    • Vertical accumulator


    Layout flow: strip material → decoiler → shear and welder → accumulator → forming and sizing machine → flying saw → packing
    Moreover, include: electric control system, high frequency welder.
    Technical parameters:

    Input raw material: pre-slit carbon steel CR, HR coils
    Finished products: round tubes, square tubes and rectangular tubes as well as deformed tubes
    Round tube outside diameter: 22 -89mm
    Square tubes: min12 x 12mm, max70 x 70mm
    Rectangular tubes: min8 x 12, max60x 80 mm
    Tube thickness: 1.2 -4.0 mm
    Forming line speed: max 100 m/min
    (Square and rectangular tubes are produced at lower speeds while side to wall thickness ratios are different.)
    Tube cut length: 4 -12 m
    Length accuracy: ± 3mm
    Drive motor: DC 75kW×2, adjusted by eurotherm 590 speed controller
    Line composition:
    Hydraulic double mandrel uncoiler
    Shear and TIG welder
    Horizontal strip accumulator
    Forming, (seam guide, welding, squeezing, scraping), cooling , sizing and straightener section.
    Computer flying saw cut-off.
    Roller straightener
    End milling and chamfering machine
    Baling press
    Run out roll table, inspection table & collectors.
    Solid state H.F. induction welder: 200 kw, Solid state (or vacuum tube type)
    Rolls: rolls are manufactured complying with AISI D3 D2 or E52100
    Electrical control system