I. Summary

2.5” Include uncoiler,straight head and pinch leveling machine ,shear and welder, spiral accumulator.

II. Basic Conditions:

2.1 Steel pipe specification

2.11 Round Pipe: φ25—φ63.5mm Thickness:1-3mm

2.12 Square Pipe: 20X20-50X50mm Thickness: 1-3mm

2.2 Strip steel

2.2.1 Strip steel width: 70mm-200mm Strip steel thickness:1-3mm

2.2.2 Galvanized coils and HRC: δb≤500Mpa σs≤355MPa

2.2.3 Steel strip coil: Inner diameter: Φ508mm (customer confirm finally)

Outer diameter: Φ1000mm-2000mm (customer confirm finally)

2.2.4 Steel strip weight: Max 4.0T

2.3 Electric installed capacity: approximately 650KW Power supply: 380V, 60Hz (customer confirm finally)

III. Equipment makeup and main parameters of single unit:

• Double Cone Uncoiler

This equipment has double cone clamping . The end opener has press roller,. The uncoiler cones head clamp the steel coil with the function of cone. Then press roller of the end opener moves down to tighten steel coil. The uncoiler cone rotating, the ends opener peeler swings up and close to the coil. When steel coil head rotate to the peeler,

Inner diameter of the strip steel:Φ 508mm (the buyer supply finally)

Outer diameter of the strip steel:Φ max=2000mm

Strip steel width: 70mm-200mm

Strip steel thickness: 1-3mm

The maximum weight of the strip steel: 4.0T

Hydraulic expansion

Pneumatic break

2.Straight head and pinch leveling machine

This unit is main used to lead the new coil steel head feed into the flattener unit after uncoiler unit bring the coil into the working place.

straight head motor power :AC1.5KW

processing pressure:7Mpa

The leveling unit with 2 roll pinch and 5 roll leveling.

pinch roll diameter:Ф140mm

leveling roll diameter:Ф110mm

pinch and leveling motor:15kw

3.Shear and Welder

Function:

It is used to parallel cut the tail of the steel strip, which has just gone into the accumulator, and the head of the strip coming out of uncoiler, and then weld them together.

Structure:

Hydraulic Shearing and manual welding Strip steel width: 70mm-200mm

Strip steel thickness: 1-3mm

Centering way: manual

4. Spiral accumulator