HIGH PRECISION STEEL COIL SLITTING LINE

(0.2mm-0.8mm1250mm)

Main Technical Parameters:

NO.	Name	Parameters
1	Control model	Frequency conversion control
2	SuitableMaterials	Carbon steel coil, PPGI coil, stainless steel coil
3	Coil tHickness	0.2mm-0.8mm
4	Coil width	500Mm-1250mm
5	Coil I.D.	508mm,610mm
6	Coil O.D.	Max.2000mm
7	Max. Load of coil car	10000kg
8	Slitting blade shaft	1801300mm
9	Blade specification	D320d180T10mm
10	Material of blade	6CrW2Si, quenching hardnessHRC 58 -60
11	Line speed	50m/min
12	Powerfor slitting	45kw
13	Powerfor recoiling	75kw
14	Quantity of strips (Max)	0.2mm/8 strips,0.8mm/25 strips
15	Width tolerance	0.05 mm
16	Voltage supply	380V/3Ph/50Hz (Customized)
17	Operation people	1 technician and 2 general workers
18	Color	Green  (Customized)

 

Machine Components of the Whole Line:

1. Hydraulic coil car

2. Hydraulic single-arm uncoiler

3. Feed roll unit, coil entry crop shear

5. Looping pit bridge table

4. Side guide

5. Slitter

6. Scrap winder

7. Pit bridge table

8. Slit Strips separator

9. Recoiling and pressing device

10. Coil unloading car

11. Hydraulic units

12. Electrical control system

 

Main process of the line:

Coil car--single-arm uncoiler, coil entry peeler--pinch roll feed, hydraulic entry crop shear--looping pit bridge table--side guide--slitting--scrap winding--looping pit bridge table--slit strips dividing, tension station--slit strips recoiling--unloading car

Main Technical Specification:

Coil Car:

1. Structure: Consisted of mechanic base, guide post, V-shape support, lift and move system

2. Power for moving: hydraulic motor-- BM30-315

3. Power for lifting: hydraulic cylinder--160700mm

4. Lifting distance:700mm

5. Moving distance:3000mm

6. Max. Load: 10000Kg

 

Single-armuNcoiler,Coil entry peeler:

1. Type: Consisted of bottom base and support base, main mandrel, inner tension design, power supply, tension cylinder and drive cylinder.  

2. Specification of uncoiler shaft: 5081350mm, 610mm with filler plate

3. Tension range:485--520mm

4. Cylinder for tension: 160100mm

5. Structure of peeler frame: steel plate welded frame, lifting up and down by hydraulic cylinder

6. Cylinder for peeler frame lifting: 80500mm, 2 pieces

7. Specification of peeler rolls: 250400mm with rubber coated

8. Power for peeler rolls: hydraulic motor--BM3-195

9. Applicable width coil: 50mm-1250mm

10. Max. Applicable outer diameter of coil: 2000mm

11. Max. Applicable weight of coil: 10000Kg

12. Brake type: pneumatic brake

 

Feed roll unit:

Structure and function: Consist of coil entry shovel board, pinch rolls and coil entry crop shear. Assist in moving material from the uncoiler to the slitter.

Coil entry shovel board:

1. Power for shovel board lifting: hydraulic cylinder, 63400mm

2. Power for shovel board stretching: hydraulic cylinder, 63400mm

Pinch rolls:

1. Specification of pinch rolls: 1801300mm, bottom roll is powered

2. Material of pinch rolls: iron rolls coated with rubber

3. Cylinder for pinch rolls lifting: 80100mm, 2 pieces

4. Power for pinch rolls feeding: 5.5kw AC equipped with reducer and pneumatic clutch

Coil entry crop shear:

1. Hydraulic coil entry shearing device: this device is used to shear the head of coils to ensure the material go through the slitter very conveniently, and it can also be used to cut the big coils into the small coils.

2. Max. Coil shearing with: 1300mm

 

Looping pit bridge table I:

Function:the looping pit bridge table's unique design incorporates two tooling bars that guide the material into and out of the pit at the correct calculated radius to reduce coil set and cross bow. the cantilevered design spans the pit to aid in feed-up and pivots down into the pit during the slitting operation.

1. Type: concrete pit, single-side bridge table 

2. Specification of the pit: 3m1.6m5m(LWH)

3. Structure of bridge table: steel tube welded structure with sliding rolls on two sides and wearable plastic on surface

4. Power for bridge table pivot: hydraulic cylinder, 80750mm

 

Side Guiding:

Structure: It is consisted of guide roller, adjustment device, movable platform and multi-roller wheel. the vertical rollers on the both sides guide the sheet right into the slitter.

1. Specification of vertical rolls: 90125mm, 2 pairs, high-frequency quenching

2. Specification of press roll: 1001300mm

3. Power for press roll: hydraulic cylinder--80100mm

4. Power for adjusting: manual adjusting

5. Range of adjusting: 500mm-1250mm

 

Slitter:

1. Slitting thickness: 0.2mm to 0.8mm

2. Specification of slitting shaft: 1801300mm

3. Material of slitting shaft: 40Cr, forging and tempering; MID-frequency quenching: HRC48-50, finish grinding

4. Specification of slitting blade: D320d180T10mm

5. Material of slitting blade: SKD-11, quenching hardness: HRC60-62

6. Power for slitting: DC 45kw motor equipped with reduction box and universal joint

7. DC motor control:Euro-therm 590 controller

8. Power for adjusting the gap between the up and down shaft: 2.2kw cycloidal motor equipped with worm and gear box

9. Slitting blade replacing: hydraulically pushing the adjustable side of the shaft stand; specification of the cylinder: 63450mm

10. Slitting speed: 0-120m/min adjustable

 

Scrap winding:

1. Type: double sides scrap winding

2. Specification of winding wheel: 8001000mm

3. Power for crap winding: 3kw AC motor, 2 sets, friction disc eliminates the slip, frequency conversion control

4. Scrap winding: Hydraulic powered oscillating guides ensure consistent scrap buildup.

5. Scrap removal:  A hydraulic cylinder powers a linear retractable arbor to allow removal of the scrap ball.

 

Looping pit bridge tableII:

Function:the looping pit bridge table's unique design incorporates two tooling bars that guide the material into and out of the pit at the correct calculated radius to reduce coil set and cross bow. the cantilevered design spans the pit to aid in feed-up and pivots down into the pit during the slitting operation.

1. Type: concrete pit, single-side bridge table 

2. Specification of the pit: 3m1.6m5m(LWH)

3. Structure of bridge table: steel tube welded structure with sliding rolls on two sides and wearable plastic on surface

4. Power for bridge table pivot: hydraulic cylinder, 80750mm

 

Slit strips diving and tension station:

1. Specification of dividing shaft: 951300mm

2. Specification of dividing dis: 2003mm, 65Mn quenching

3. Dividing disc assembly: manual push the adjustable stand of the dividing shaft

4. Type of tension: up and down beam press tightly with wooden plate and wool felt in-between

5. Power for tension: hydraulic cylinder 80150mm, 2piece  s, pressure adjustable

6. Specification of length measuring roll: 3201300mm, surface galvanized

 

Recoiling:

1. Structure and type: driven by gear box, the recoiling mandrel expand through sliding block

2. Specification of recoiling shaft: 2301350mm

3. Specification of recoiling block:5081350mm

4. Power for expanding: hydraulic cylinder 160100mm

5. Recoiling shaft support frame: steel welded, hydraulic cylinder 80350mm

6. Specification of pressing shaft: 801250mm, pressure adjustable

7. Power for recoiling: 75KW DC Motor

8. Control: Euro therm 590 controller

9. Recoiling speed: 0-120m/min, adjustable

10. Max. Recoiling weight:100000Kg

 

Unloading car:

1. Structure: Consisted of mechanic base, guide post, V-shape support, lift and move system.

2. Power for unloading car moving: hydraulic motor BM30-315

3. Power for unloading car lifting: hydraulic cylinder--160700mm

4. Max. Load: 10000Kg

HydraulicUnits:

1. Hydraulic station, control valve, oil pipe

2. Pressure: 16Mpa

3. Power: 7.5KW-4

4. Oil tank volume: 450L

        

Electrical system:

1. Electrical control cabinet: 1 piece

2. Operating cabinet: 2 pieces

3. Total power: 125kw

 

Spare Parts List:
Slitting Blade: 
1. Specification of slitting blade: D320d180T10mm, 20 pcs     
2. Material of slitting blade: skd-11, HRC60-62      
3. Slitting blade spacer: D230d180mm, thickness: 28mm

 

Thickness/mm	Quantity/pcs	Thickness/mm	Quantity/pcs	Thickness/mm	Quantity/pcs
0.95	10	1.6	10	6.0	10
0.97	10	1.7	10	7.0	10
1.0	15	1.8	10	8.0	10
1.1	10	1.9	10	10	20
1.2	10	2.0	10	20	20
1.3	10	3.0	10	30	20
1.4	10	4.0	10	40	20
1.5	10	5.0	10	50	20

 

Separator Disc:
1. Specification of separator disc: D200d95T3mm, 20 pcs

3. Material of separator: 65Mn, hard quenching
3. Separator disc spacer: D125d95mm, 280 pcs        

Thickness/mm	Quantity/pcs	Thickness/mm	Quantity/pcs	Thickness/mm	Quantity/pcs
10	10	15	10	20	10
11	10	16	10	30	10
12	10	17	10	40	10
13	10	18	10	50	10
14	10	19	10

 

Rubber Ring:

Specification/mm	Quantity/pcs
D320d230T30/40/50mm	15
D318d230T30/40/50mm	15

 

Tension Filling: 16mm, 4m²