Description:

ZHONGYUAN ERW TUBE MILL TO MAKE MAX Φ130×6MM TUBES YEAR 2008

Used second hand ERW tube mill to make max Φ130×6mm tubes.
Basic Information
The production line is used to product longitudinal ERW tubes and cold-roll shaped steel material. The material to be processed is mild steel or low alloy steel (бb≤580Mpa，бs≤380Mpa), eg. Q195-Q345, 510L, 16Mn, SPHC, 09CuPTiRe.
Year: 2008
Make: Zhongyuan, China
Status: in line, not under power.
Technical details
Product specification
Tube diameter: Φ40mm－Φ130mm
Wall thickness: 1mm－6mm
Production speed: 0－50m/min
Production flow
Uncoiler – peeler - end shear and welder – guiding stand – spiral accumulator – forming mill – welder – inner and outer flash remover – cooling sink – sizing mill – turkey head – straightener – flying saw – tube discharge
3. Equipment list and major specification
1. Single hydraulic uncoiler
Hydraulic expansion; quick coil loading; pneumatic brake
Coil max. weight: 3000 kg
Coil inner dia.: 508mm

2. Peeler
Hydraulic cylinder driven; Pressing roller driven motor: 4 kw
Strip thickness: 1- 6 mm
Strip width: 500 mm
Coil outer dia.: 1600 mm
Feeding motor: 15 kw
Pressing motor: 2.2 kw
Flattening width: 500 mm
Pressing roller: 7 (thickness: 1 – 6 mm; width: 500 mm)
Flattening speed: 60 m/min

3. End shear and welder
Hydraulic shear
Width: 500mm; Thickness: 1 – 6 mm

4. Horizontal spiral accumulator
Strip guiding roller
Double roller feeder
Horizontal spiral accumulator
Strip guiding roller
Feeding speed: ≥200m/min
Accumulation dia.: 5.5 m
Accumulation capacity: ≥5000kg
Strip width: 150 – 500 mm
Horizontal accumulator, motor: AC 22 kw
Double roller feeding, motor: AC 18.5 kw

5. Forming mill
Spindle size: φ110 mm; material: 40Cr
Vertical roller size: φ65mm; material: 40Cr; Annealed and quenched
Forming mill motor: DC 200 kw
Forming stands: horizontal roller stands: 7; vertical roller stands: 9
Sizing mill: horizontal roller stands: 6; vertical roller stands: 6;
Turkey head stands: straightening roller, 3 vertical roller, 4 vertical roller
Welding pressing roller, three roller pressing
Flash removal, 2 tools, pneumatic adjustment

6. Computerized flying saw
Computerized auto control
Saw dragging motor: 22 kw
Sawing motor: 55 kw
Thickness: 6mm
Length: 4m – 10m
Max. dia.: φ130mm
Accuracy: ±3mm
Saw blade: Φ800mm×Φ110mm×4mm

7. Run out table and conveyor: Driven motor 5.5KW

8. 400kw solid state HF induction welder specification
Input power: 3P, 380V, 50HZ
Output power: 300kw
Output control: computerized control
High-voltage rectifier: 40A
High-voltage transmission: 3P, 380V, 400KVA