Specifications

1.slitting line for steel strip
2.High efficiency, high quality
3.Steady running
4.Full automation
5.Easy operating

slitting line for steel strip

 

1.Parameter of uncoiler and steel coil:

1)Applicable material:plain carbon steel, galvanized steel, painted steel and so on

2)Thickness of material:0.5~3mm.

3)Width of steel coil:600~1600mm.

4)Inner diameter of steel coil:Φ508mm, Φ610mm, Φ720mm

5)Outer diameter of steel:Φ1800mm

6)Weight capacity of steel coil:25000Kg.

2.Technical process:

Coil car —— double-head uncoiling —— coil-head leading, shoveling, feeding —— coil-head cutting —— rectify deviation —— slitting —— side scrap winding —— loop —— material pre-dividing, tension —— uncoiling —— unloading car —— hydraulic control —— electrical control

3.Main parameter of equipment:

Coil car:

1) Structure:steel welded structure with four wheels for moving

2) Transmission power:2.2kw pinwheel cycloid motor

3) Max. capacity:25000Kg.

Double-head uncoiler:

1) Type:two sides moving, inner expanding

2) Expanding drum type:with three steps, oil cylinder drive taper slide for radial expanding

3) Specification of steps:Φ458~Φ508mm, Φ560~Φ610mm, Φ710~Φ760mm

   4) Steel coil centering:two holders axial moving (single and double)

   5) Braking:pneumatic pressure regulating braking

   6) Applicable steel coil width:300~1600mm.

   7) Max. applicable outer diameter of steel coil:1800mm.

   8) Max. applicable weight of steel coil:25000Kg.

Coil-head leading, shovel:

1) Structure of coil-head leader:steel plate weld assembly, hydraulic oil cylinder lifting

2) Traction power:2.2KW pinwheel cycloid motor

3) Structure of coil-head shovel:iron plate weld assembly, big holding board up and down, small holding board stretch and back.

Roller feeder:

1) Structure of feeder: iron plate weld assembly, couple rollers for feeding

2) Material of feeding roller:down roller 40Cr, coated with chrome; driving roller coated with nitrile rubber

Equipped with 3×1600mm hydraulic shearing machine (one set).

Rectify deviation:

1) Structure of machine frame:steel plate welded structure, vertical roller for limit, couple rollers for pressing material

2) Rectify power:double lead screw single surface manual control

Slitter:

1) Structure:single station type with disc blades for cutting

2) Material of blade shaft:40Cr, forged piece with heat treatment, coated with chrome, accurate grinded.

3) Material of disc blade:6CrW2Si, quenching hardness HRC60°~62°

4) Slitting drive:DC 90kw with gearing-down tooth box and cardan shaft

5) DC motor control:EUROTHERM controller

6) Slitting depress drive:2.2kw pinwheel cycloid motor with worm gear

7) Blade changing:hydraulic cylinder push back station

8) Slitting speed:0~100m/min, adjustable

Side scrap winder:

1) Type:both sides winding

2) Winding disc power:each side has a motor for frequency converting control, friction plate achieve slip frequency

3) Unloading:hydraulic cylinder push winder umbrella rod to shrink.

4) Winding displacement:hydraulic cylinder control rod back and forth

Loop:

1) Type:concrete pouring, two-sided turning board table

2) Turning board structure:welded square steel tube, two side with slide roller, surface paving wear-resisting plastic plate

Pre-dividing, tension:

1) Specification of pre-diving shaft:Φ95×1700mm.

2) Specification and material of dividing sheet:Φ200×3mm, 65Mn, quenching treatment

3) Fix dividing sheet:manually push one side of single station

4) Tension:cross beam press, with wooden plate and felt between up and down beams

Recoiler, press dividing:

1) Structure and type:box type gear drive, hydraulic cylinder drive taper slide expanding and shrink

2) Recoiler supporting structure:steel structure

3) Recoiling power:110KW DC motor

4) Motor control:EUROTHERM controller

5) Recoiling speed:0~100m/min, adjustable

6) Recoiling weight capacity:20000Kg.

Unloading car:

1) Structure and type:steel welded structure, four wheels for moving

2) Drive power:3kw pinwheel cycloid motor

3) Max. weight capacity:20000Kg.

Hydraulic control:

Hydraulic station, control valve, oil circuit pipeline 1 set, oil tank capacity

Electrical control:electrical control cabinet 1 set, operating table 2 sets

 

Condition	Value	Condition	Value
Width tolerance	Within ±0.03mm	Outer diameter	Φ1000~1800mm
Camber deviation	Within ±0.10mm/m	Inner diameter	≥Φ508mm
Recoiling tower	With 0.5mm	Coil weight	Max.20000kg
A batch of slitting	Min.1200 T	Min. strip width	25mm
Side scrap	1.5~25mm	Burr	5% of panel thickness
Slitting strips	0.3t*15 strips 1.0t*12 strips 2.0t*10 strips 3.0t*7 strips	Surface quality	No edgefold, bevel, scratch, side break, greasy dirt, roller mark, and so on defect