HG127

II. The technical flow of the production line

{SteelTape}→→ Single-arbor 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→→Zinc Pinting machine →→Cooling unit →→ Sizing unit and straightener →→Flying saw under computer-control →→ Run-out table

III. Basic conditions:

a) Steel Pipe Specification

1. Round Pipe diameter:        Φ60 –Φ127mm

Pipe Thickness:             1.5 –5.0mm

2. Square & Rectangle Pipe:    50X50mm–100X100mm

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=1500mm

Strip steel width:  200mm-400mm

Strip steel thickness:1.5mm-5.0mm

The maximum weight:  4.0 tons

c) Electricity

1. Dynamic power:  AC380V±10%, 3phases, 50Hz±1.0%

2. Control Power:  AC220V±10%, one phase, 50 Hz ±1.0%

d) Electric installed capacity:       appro.700KW

e) Cooling water

 1. Reservoir for High Frequency equipment: 25m3, one set

 2. Reservoir for circulating cooling water:   20m3, one set

f) Compressed air

1. Pressure:   0.4Mpa

2. Flow:       1.5m³/h

g) Production capacity

Annual output: 45,000 ton, according to the yearly working days、daily working hours and the products.

h)  Line speed:  30-60m/min