I. Description of tube mill

Tube mills produce pipe and tube by taking a continuous strip of material and continuously rollforming until the edges of the strip meet together at a weld station. At this point the welding process melts and fuses the edges of the tube together and the material exits the weld station as welded tube.

The welded pipe making machine, also called welding pipe making machine or pipe making machine, is used to produce different types of products, such as round types, square types, and rectangular types. The equipments use roll pass design, so the production line can produce welded steel pipes which has the feature of good quality machining and precision assembling.Our World Technology Machinery Company is expertise to producing the welded pipe making machine, therefore, different diameter and wall thickness are available. At the same time, we can design and produce products in accordance with clients’ requirements.

II. Process flow

Uncoiler---Pinch leveler---Shear and end welder---Strip accumulator---Forming entry---Forming section---Welding section---Cooling box--- Sizing section---Straightening machine---Cut off machine---Run out table---Packing machine--Warehousing

III. Main technical parameters

Raw material: CRC, HRC, galvanized steel, low alloyed steel

I.D. of strip: Φ650-Φ710mm

O.D. of strip: Φ900-Φ1800mm

Coil weight: ≤5.0Tons

Strip width: Min.180mm, Max.360 mm

Strip thickness:1.5-4.0mm

Dia. of round tube: Φ16-Φ140 mm

Wall thickness of round tube: 1.5-4.0 mm

Wall thickness of square tube: 1.5-3.5mm

Wall thickness of rectangular tube: 1.5-3.5 mm

Tube length: 4000-8000 mm

Line speed: 20-60 m/min

Overhead crane: each set of 10T and 5T crane used

IV. Line composition

Uncoiler, pinch and leveler, hydraulic shear and end welder, strip accumulator, forming and sizing unit, cut off machine, run-out table, end facing and chamfering machine, packing machine, 300kw solid state high frequency welder, DC speed-adjusted