A.Scope of supply:

    coil car

   double uncoiler

   shear welder

   horizontal accumulator diameter 15m

   forming and sizing machine

   600kw HF welder 

   Friction saw

   Run out table

   one set of tooling

B.Specifications:

   tube square min 150x150, max 250x250mm,

   max wall thickness: 12mm

   horizontal shaft diameter: 230mm

   forming:11 horizontal stands, 250kw+280KW DC motor

   sizing: 5 horizontal stands, 200kw DC motor x1

   accumulator: 3xDC motor: 90kw

   600kw HF welder made by Sanyi

   total machine weight: approximate: 550--600 t

 C.Unit overview:

This unit is a set of production line which can produce 100x100 ~ 250x250 square hollow section steel.The unit adopts direct square forming process, and the ratio of width to height reaches 1:3.It has the characteristics of stable molding and wide range of products.PLC system and full digital DC speed control system are used in electrical control, which has the advantages of high precision, low failure rate and convenient operation and maintenance.

D.Technical performance and parameters of equipment:

1.   Raw material: hot rolled or cold rolled strip after slitting.Width: 400-1000 mm

Thickness: 3-14 mm

Material: Q235, Q345, Q390, lg510l

Coil weight: < = 15t

                   2. Product program and typical specification table:

2.1Product program

E.Process flow:

Rewinding → coiling → uncoiling → straightening → pinching → leveling → cutting head (tail) → butt welding → looper storage → forming → HF welding → deburring → cooling → sizing → cutting to length →roller output → collection

F. Equipment composition:

  Made in 2009.