The technical flow of the production line
{SteelTape}→→ Double-head un-coiler →→Strip-head Cutter and welder→→
Horizontal spiral accumulater →→Forming section(Flattening unit +Main driving unit +Forming unit +Guide unit +High frequency induction welding unit +squeeze roller)+ De-burr frame →→Cooling unit →→ Sizing unit and straightener →→Flying saw under computer-control →→ Run-out table
Basic conditions:
a) Steel Pipe Specification
1. Round Pipe diameter: Φ50 –Φ114mm
Pipe Thickness: 1.5 – 5.0mm
2. Square & Rectangle Pipe: 40X40mm –90X90mm
Pipe Thickness: 1.5 – 4.0mm
3. Pipe Length: 6.0m – 12.0m
4. Length Tolerance: 0-6mm
b) SteelTape Specification
1. Material: Carbon steel (δb≤500Mpa, δs≤235Mpa)
2. Steel Tape: Inner diameter: Φ470-510mm
Outer diameter: Φmax=1800mm
Strip steel width: 160mm-400mm
Strip steel thickness: 1.5mm-5.0mm
The maximum weight: 4.0 tons
c) Electric installed capacity: appro. 800KW
d) Size of the whole line: appro. 75X7.0m
e) Line Speed: 20-70m/min
ERW76 pipe making machine