ZTL-4x1600 Steel Slitting Machine 0.8-4mm Coil Thickness 90-150m/min

Ztl-4x1600 Coils Open Speed 90-150m/Min Steel Slitting Machine

I.Main Technical parameter

1.  Material specification

Material :Low carbon HRC(Q235, σs=250Mpa,σb=500Mpa )

Coil Thickness 0.8-4 mm

Coil Width 800-1600mm

Coil Weight ≤30 t

Inner diameter Φ508/Φ610/Φ760mm

Outer diameter ≤Φ2200mm

2. Finished product specification

Slitter number( Excluded edge)

Coil weight 30t

Inner diameter Φ508/Φ610/Φ760mm

Outer diameter Φ2200mm

Width precision ±0.20 mm(thickness 0.8-4)

Burr accuracy ≤5%  Plate thickness,(0.08-0.20mm)

        new blade or proper blade gap

3.  Coils open speed 90-150m/min (Reference by Slitter ability table)

4.  Equipment datas

(1) Power

Voltage 380V

Frequency 60HZ

Installed power Approx.330kw

(2)  Air power

Pressure 0.4-0.8Mpa

                 Air demand 0.2m3/min( State of compression)

(3)  Line direction   Face the operation console,Left to Right

5. Painting : According to the buyer’s requirement

II. Equipment composition 1600x4

Equipment structure description

1.Coil storage rack

Purpose: to store steel coils to be opened.

       Structure: v-shaped structure, steel plate welding, two bolts fixed on both sides of roadway.

 Technical specification:

2. Coil car

Purpose: to transport the coil material to the uncoiling machine.

Structure: the car is installed in the roadway below the floor, which is mainly composed of the vehicle seat and traveling wheel shaft, v-shaped material frame and guide bar, traveling deceleration motor and lifting oil cylinder.

Technical specification:

V-shaped bracket is welded by steel plate, and nylon plate is laid on the surface

  Motor AC4KW

 Lifting oil cylinder Ø200X850st

Guide bar number four, Ø 110 mm diameter, chrome plated

One protective chain and one pair of rail

3.  Uncoiler

Use: support raw steel coil.

Structure: double support type.By the expansion and contraction of the drum, transmission box, transmission mechanism, pneumatic drum brake, roller on the middle slide.When the belt is worn, the motor opens the material head actively. When the production line is working continuously, the output shaft of the decelerating motor disengages through the clutch, and the motor does not work. The coil material is driven by the traction straightener or slitting machine.The uncoiling tension is provided by the drum brake.

Technical specification:

Drum three steps, increases range of respectively Φ 470-520 mm, Φ 570-620 - mm , Φ 720-760 - mm.

Increases and oil cylinder specifications Ø 150 x100mm, 2pcs.

ü Drum reducer motor AC4kw

ü  Disc damped brake 2sets .

ü  Medium oil cylinder Ø100X1000mm,2pcs.

ü Main material

Main shaft 40Cr  Quenched and tempered

Volume pantile plate ZG45 Quenched and tempered

Gear 40Cr,Quenched and tempered

Stand: Steel plate welding, annealing shot blasting

4.Pressure leading device

Purpose: to shovel out the bent material head and introduce it into the traction straightening machine.

Structure: it is composed of roller, roller and plate.Bending roll coating, hydraulic pressure to tighten the roll material head, electric rotation of the exhibition of materials;The shovel head supports the plate with night pressure expansion and hydraulic swing, and the plate head is drawn out by aligning the material head;The bending roll is pushed by the oil cylinder and matched with the support plate of the shovel head to press the plate head straight so as to facilitate the material head to expand into the traction flatting machine.

Technical specification:

ü Roller reducer motor 1  set

ü  Oil cylinder 4  pcs 5.Pull&Straightener

Purpose: to calibrate the plate material and feed the material head into the slitting machine.

Structure: it consists of 1 pair of pinch feeding roller, 5 leveling rollers, frame and drive system.The clamping roller is raised and lowered by the oil cylinder, 5 leveling rollers are arranged on the top 2 and the bottom 3, and the upper roller is pressed down by electric force.The work roll is driven by dc motor through gear distribution box and universal coupling.

 Technical specification:

ü Main motor AC55kw,1000rpm

ü  Pressure cylinder Ø80X60st 2 只 pcs

ü Press motor 1 只 pc

ü  Clamp roller  Diameter Ø220mm,42CrMo chromeplate

ü Straightener roller Diameter Ø160mm,42CrMoThe surface is hardened and plated with hard chromium

               ü Disc brake 1set 6. Shearing

Usage: cut off irregular plate head for subsequent processing of steel plate.

Structure: it is composed of wallboard, upper and lower knife seat, rectangular blade

(four sides of the blade can be used), clearance adjusting mechanism, synchronous gear shaft and driving cylinder.Manually controlled clipping.Discharge side with hydraulic swing bridge, under the bridge collection plate head.

Technical specification:

ü Blade material Cr12MoV

ü  Oil cylinder Ø150X80mm 2 pcs

7. 1#Accumulator

Structure: hydraulic double swing bridge, which is composed of curved material frame and swing bridge with roller table.

Transition roller diameter 90-100mm

A transition plate is laid between the rollers to facilitate the passing of the material 

Swinging cylinder Ø 100 x1000mm 2 pcs

               Size of pit: length x width x depth = about 5000X2200X3000mm

8. Centering device

Usage: guide the straight direction of sheet material, improve the straightness of cutting sheet material.

Structure: adopt vertical roller guide, mainly composed of screw rod, polished rod, slide seat, vertical guide roller, regulating motor, regulating hand wheel and idler.

Technical specification:

Roller diameter Ø90mm, surface chromium plating.

Two motors drive guide wheel respectively to adjust guide width

9. Pinch roll

Usage: clip feed head to slitting machine

  Structure:A pair of feeding roller, roller diameter Φ 200 mm, polyurethane rubber roller bread.

The lower roller is driven by ac motor with clutch device. Upper roller passive, cylinder lifting.

10. Slitter machine( double knives base type)

Usage: to cut the sheet material lengthways into various widths

Structure: slider type.By the two sides of the tool, upper and lower shaft, shaft spacing adjustment mechanism, transmission device and so on.Dc motor drives the tool shaft rotation through reducer, gear box and universal coupling, and the motor drives the side tool rest to open and close for convenient tool change.Include quick change knife device .

Technical specification:

Knife shaft specifications: 250 x1750mm Ø, material is 42 crmo, surface hard chromium plating.

Shoulder jump of knife axle table 0.01mm;Cutter shaft diameter jump 0.025mm/1m;Knife shaft parallelism 0.03mm/1m

Knife disc specification Ø250X380X20mm

Knife pouch specification Ø250X290X  differnece thickness

Discharge of synthetic Ø290X Ø 380,375,372,369 X30,50T

Knife disc fastening mode  nut

 Main motor AC110kw,1000rpm

Adjustable motor 2  sets

      Disc brake 1 set

11. edge rewinder(2 sets)

Purpose: to collect the scrap edge of sheet material cut by slitting machine

Structure: horizontal.Located on both sides of the production line, ac speed regulating motor drive.It is composed of motor, reducer, rolling claw and discharging device.The edge wire is derived from the tic-tac-toe wheel

Technical specification:

Edge rewinding width 3-20mm

 Rewinding weight 400kg/  set

Rewiding speed 0-150m/min

             Motor YVP7.5kw,2 台 sets 12．

2#Accumulator

Purpose: used to control the speed synchronization between slitting machine and winding machine

Structure: single swing bridge, which is composed of arc-shaped material rack and swing bridge with roller table

13．Coil seperator

Purpose: guide strip separation

Structure: there are two groups of separators, which can be moved out horizontally to replace isolation plates. The hydraulic pressure roll is installed between the two groups of separators to prevent the slats from jumping out of the isolation plate

14．Tension plate

Use: to produce winding tension, easy to tighten sheet material.

Structure: the tension station is hydraulic pressure table, the oil cylinder is pressed tight, the reducing valve regulates the pressure.The pressing medium is industrial felt.

Presser surface gouge out tooth groove, embedded tightly felt piece

Technical specification:

üSwaging size 1800X250(Lenght X Width)

ü  Swaging lift ＞150mm

15.  3-roll tension burr extruding machine

Purpose: to add tension and squeeze burrs

 Structure:

3 roller type, upper 2 lower 1 arrangement, upper roller fixed, lower roller by oil cylinder or screw lift Φ180mm,42CrMo.

Roller diameter Φ180 mm, the material is 42CrMo chrome plated

16． Turning roller + feeding holder

Usage: the steering roller is installed between the tension station and the rewinding drum to form the Angle of rewinding and wrapping.

Structure: the steering roller is chromium-plated on the surface, and the end part is equipped with speed gauge plate.The supporting plate is raised and dropped by the cylinder. The surface of the supporting plate is chrome plated

17. Recoiler

Usage: rewind the material after slitting.

Structure: the roller is composed of main shaft, wedge slide block, pull rod, clamp mouth and arc plate.The drum is driven by dc speed regulating motor, the cylinder drives radial expansion and contraction, and the arc plate has clamping jaws.The hydraulic tape separator on the reel can automatically rise with the increase of the steel

coil.With pneumatic brake device.With hydraulic push plate, auxiliary unloading.The rear side of the drum is equipped with hydraulic auxiliary material pressing plate and auxiliary material pressing head.

Technical specification:

ü Drum round Ø508mm(Have seam type)

ü Coil weight 30T

ü Recoiler diameter Ø2200mm

ü Recoiler power YVP132kw,1000rpm

ü Expansion and shrinkage cylinder specifications:Ø180X100mm,1pc

 18. Recoiler support

Purpose: to support the cantilever end of the reel to increase its rotation rigidity under load.

         Structure: closed door structure, the conical hole set on the cylinder driving support is on the uncoiling conical support roller.

19．Unloading car