ZTL-13X1600 Steel Slitting Machine for Low Carbon HRC 4-13mm

ZTL-13X1600 Slitting Line Low Carbon HRC Steel Slitting Machine

Main Technical parameter

1.  Material specification

Coil Width 600-1600mm

Coil Weight ≤35 t

 Inner diameter Φ610/Φ760mm

Outer diameter Φ1500-Φ2200mm

2. Finished product specification

 Slitter number( Excluded edge)

            Inner diameter Φ610/Φ760mm  Coil weight 35t

 Outer diameter Φ1500-Φ2200mm

  Width precision ±0.15 mm( thickness 0.75-3.0)±0.20 mm( thickness 4-13)Burr accuracy ≤5%板厚 Plate thickness

new blade or proper blade gap

3. Slitter speed 10-40m/min

4. Equipment datas

(1) Power

Voltage 380V

Frequency 60HZ

 Installed power Approx.350kw

(2)  Air power

Pressure 0.4-0.8Mpa

 Air demand 3m3/min( State of compression)

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

5.  Painting According to the buyer’s requirement

Equipment composition 1600x13

Equipment structure description

1loading car:

1.1 Storage rack:

Function: Temporarily store the tape and coil for continuous entry into the unit. Place the coil on the material preparation rack with a crane, and transport the coil to the uncoiler by a trolley.

skills requirement:

Tape and reel storage: 2 groups

Coil outer diameter: φ1500～φ2200 mm

Roll width: 600～1600mm

Maximum roll weight: 35 T

1,2 loading car:

Function: Used to prepare strip coils and send the coils to the center of the decoiler.

Structure: It is composed of car body, walking device, lifting device and transmission device.

skills requirement:

Outer diameter of steel coil: Φ1500～Φ2200 mm

Inner diameter: Φ610 ,Φ760 mm

Width: 600～1600 mm

Traveling speed of trolley: ～5 m/min

Traveling distance of trolley: ～6m

Transmission motor power: AC3 KW

Lifting hydraulic cylinder diameter×stroke: Φ220×900 mm

Hydraulic system working pressure: 8-10 MPa

Upper thrust: 37T(10MPa)

Maximum roll weight: 35 T

2,uncoiler:

Function: It is used to carry the steel coil, the rotating steel coil cooperates with the straight pressure roller and the shovel to disassemble the steel coil. Align the center of the steel coil with the center line of the unit. The decoiler has a micro-brake device to prevent the coil from springing back and loosening during emergency shutdown. When the coiling car transports the steel coil to the center of the uncoiler, the left and right taper heads of the uncoiler support and clamp the steel coil, and then the motor of the uncoiler cooperates with the pressure roller and the blade to open the steel coil, and send the head of the steel strip to the pinch. In the leveler, after the steel belt is fed into the pinch leveler, the clutch of the uncoiler is opened, and the micro-brake device brakes. If the center of the steel strip does not coincide with the center line of the unit after the steel strip enters the pinch leveler, the left and right taper heads of the uncoiler can be moved to the left or right to align the center of the steel strip to the center line of the unit. The left and right taper heads of the decoiler can also move to the left or right with a single head.

Structure: Double-cone head left and right transversal device, double-cone head box, micro brake device, transmission device and base.

skills requirement:

Outer diameter of steel coil: Φ1500～Φ2200 mm

Inner diameter of steel coil: Φ610, Φ760mm

Width: 600～1600 mm

Thickness: 4～13mm

Cone head movement mode: hydraulic drive

Cone head mobile hydraulic cylinder diameter: Φ125/Φ90 mm

Cone head form: hydraulic expansion and contraction

Cone head expansion and contraction hydraulic cylinder diameter: Φ140/Φ100 mm

Uncoiling main motor: AC4KW

Unwinding speed: ～ 5.5m/min

Braking method: Disc brake

Brake model: 3×ADH205 brake

Clutch opening and closing method: air pressure

Clutch cylinder bore: Φ100mm

3,Straight pinch leveling machine:

3.1,straight head device:

Function: The straight-head device and the shovel are matched with the decoiler to disassemble the steel belt head, and send the steel belt into the straight-head pinch leveling machine. The shovel is matched with the straight-headed pressure roller to straighten the head of the steel strip and then the steel strip is sent to the pinch roller, and the shovel is on the unwinding type.

Structural form: gantry type straight head pressure roller device, shovel device, shovel swing device and other parts.

skills requirement:

Width: 600～1600 mm

Thickness: 4～13mm

Uncoiling form: upper uncoiling

Shovel telescopic cylinder: Φ110/Φ80mm

Blade swing cylinder: Φ140/Φ100mm

Blade material: 50Mn

Pressure roller swing cylinder: Φ125/Φ90mm

Roller drive form: hydraulic motor 1QJM43-4.0

Diameter of pressure roller: Φ320mm

Straight roller cylinder: Φ125/Φ90mm

Blade device: vertical blade

3.2 pinch leveling machine

Function: Straight-head device, pressure roller and shovel, cooperate with the decoiler to disassemble the steel strip head, and send the steel strip to the pinch leveling machine. The pinch roller is hydraulically pressed to clamp the steel belt, and the main motor is rotated to send the steel belt to the pinch roller. After the steel belt enters the pinch leveling machine, the leveling roller is pressed down to a suitable position to level the strip head. Flat, and send the steel strip to the shearing butt welding machine, and cooperate with the shearing butt welding machine to complete the shearing butt welding.

Structure: It is composed of vertical roller device, pinch roller device, leveling roller device, transmission device and other parts.

skills requirement:

Width: 600～1600 mm

Thickness: 3～13mm

Pinch roller form and pressure: two-roller type, hydraulic pressure

Pinch roller pressing down cylinder: Φ14/Φ100mm

Pinch the main motor: AC22KW (frequency conversion speed regulation)

Transmission form of pinch roller and leveling roller: Fully active up and down

Pinch roller diameter×length: Φ230×1700mm

Material of pinch roller: 42CrMo

Active pinch leveling speed: ～7m/min

Leveling roller form and pressing down: Upper two lower three rollers type, hydraulic pressing down

Pinch roller pressing down cylinder: Φ200/Φ140mm

Diameter×length of leveling roller: Φ200×1700mm

Leveling roller material: 42CrMo

Roll quenching hardness and depth: HRC58-62, depth: 5-8mm

Vertical roll diameter×height: Φ200×300mm

Vertical roller structure: I-shaped double vertical roller

Vertical roller material: 42CrMo

Vertical roller width adjustment motor: 2×AC2.2KW

Clutch opening and closing method: air pressure

Clutch cylinder bore: Φ100mm

4,Cross-cutting machine (hydraulic shear)

Function: It is used to cut the steel belt head, the structure is a guillotine shearing machine. The cross-cutting machine structure is equipped with a quick adjustment device for the side clearance of the upper and lower cutting blades.

skills requirement:

Shear angle: 2.5°

Shear blade backlash adjustment method: cam eccentric adjustment

The size of the backlash of the cutting blade: Display on the dial

The adjustment range of the backlash of the cutting blade: 0.1～1mm

Effective width of cutting blade: 1700mm

Cutting blade section size: 850×140×35mm

Cutting thickness: 4～13 mm (Q355)

Cutting blade material: 6CrW2Si

Hydraulic shearing cylinder bore: Φ320/Φ180mm

Shear hydraulic pressure: 8～12MPa

Cut form: upper cut

1. Neutral roller

Function: Prevent the strip from running off, with the function of centering and width adjustment. This machine is opened and closed left and right by the vertical roller driven by the oil cylinder, so that the strip steel enters the disc shear smoothly, and does not deviate during the cutting process.

Structure: It is composed of a motor-driven vertical roller device, a nip roller device and other parts.

skills requirement:

Width adjustment range: 600～1600mm

Strip steel width centering adjustment cylinder: Φ125/Φ90mm

Vertical roller diameter×height: Φ200×240mm

Vertical roller structure: Double vertical roller

Vertical roller material: 42CrMo

Vertical roll center transition roll diameter×height: Φ160×200mm

Model of vertical roll front and back flap cylinder: Φ63/Φ45mm

6,Disc cutter

Function: This machine is one of the main equipment in the slitting unit. Its purpose is to cut wide-band steel coils into narrow-strip steel coils of different widths, and provide required blanks for welded pipe units, cold bending units, etc.

Equipment structure: It is composed of disc cutter body, transmission device and so on. The disc cutter body is composed of three arches, which can provide very reliable support.

skills requirement:

Diameter of cutter shaft: Φ360mm

Tool shaft material: 42CrMo

Hardness and depth of cutter shaft quenching: HRC58-62, depth: 5-8mm

Shear blade specifications: Φ360×Φ600×30mm

Cutting blade material: H13K

Spacer: 45#steel

Rubber ring: Polyurethane

Main motor: DC160kw, 1500r/min (Z4-250-12)

Hard tooth surface reducer model: ZSY400-80

Shearing speed: 10～40 m/min

Depression drive: pin wheel cycloid motor AC2KW with worm gear screw lifter

Cardan shaft model: SWC315DH2

Tool changing method: Archway after the hydraulic cylinder moves

Cylinder bore: Φ110/Φ80mm

1. Waste edge coiling machine

Function: The machine is installed on both sides behind the disc cutter, and is used to wind the scrap edges after the disc cutter is divided into strips.

The machine is driven by a torque motor to drive the reducer to wind the waste edge, making full use of the constant tension of the torque motor to make the winding process smooth. When the coiling winding is completed, the non-power side cylinder retracts and discharges to realize automatic discharge.

skills requirement:

Form: Double cone head hydraulic opening and closing

Cone head opening and closing cylinder bore: Φ63/Φ36 mm

Swing rod cylinder bore: Φ50/Φ36 mm

Coiling speed: 0-50m/min

Diameter of take-up reel: Φ1000 mm

Winding reel power: Torque motor YLJ180-160-4

Crimping width: ≤half of the board width and thickness

8,Flap accumulator

Function: It is used to store the steel belt and adjust the speed difference between the disc cutter and the coiler.

skills requirement:

Intermediate bridge swing mode: 　　　　 hydraulic

Diameter of hydraulic cylinder: Φ110/Φ80mm

Looper length and depth: 6800×2120mm

Roller size: Φ105×1700mm

9,Tensioner device

Function: It is used to separate the cut strip and realize the adjustment of tension, and the lifting of the pallet feeds the coiler.

Equipment structure: It is composed of a pallet device, a pressing roller device, a vertical roller device, a separating device, a tension device, and a feeding device.

skills requirement:

Vertical roller width adjustment motor: 2×AC2.2KW

Vertical roller diameter×height: Φ220×200mm

Vertical roll structure: single vertical roll

Vertical roller material: 42CrMo

Tension structure form: top two next

Tension roller diameter×length: Φ250mm×1700mm

Number of tension rollers: 3 rollers

Tension roller material: 42CrMo

Roll quenching hardness and depth: HRC58-62, depth: 5-8mm

Tension roller reduction: hydraulic pressure

Press down the cylinder: Φ140/Φ100mm

Feeding flap lifting cylinder bore: Φ110/Φ63mm

Roller diameter×length: Φ250mm×1900mm

Diameter of separator: Φ350×Φ190×10 (15) mm

Separation sheet material: 50Mn

10,Coiler

Function: The coiler is one of the main equipment in the slitting unit. It mainly rolls the strip after slitting into a coil, and provides the required width of the coil for the welded pipe unit, the cold bending unit, etc.

Equipment structure: This machine is composed of a motor, a reducer, a brake, a rolling device, a gantry-type sub-rolling device, a crimping shaft, and a reel supporting device. The crimping shaft is hydraulically expanded and contracted and clamped.

skills requirement:

Maximum diameter of reel: Φ760mm

Maximum coiling weight: 35 tons

Coiling speed: 10～40m/min

Main motor for coiling: DC250KW, 1500r/min

Reel expansion and contraction hydraulic cylinder diameter: Φ250/Φ120 mm

Reel jaw form: mechanical jaw

Hydraulic cylinder diameter of rolling device: Φ125/Φ90 mm

Placement position of the rolling cylinder: Both sides of the gear box

Swing hydraulic cylinder diameter of reel support device: Φ125/Φ90 mm

Pressure arm device: adopts gantry type

Back pressure cylinder: Φ125/Φ90 mm

11,Unloading trolley

Function: The machine is installed under the reel of the coiler, and together with the rolling device in the coiler, the cut steel coil is unloaded from the reel and sent out to be lifted by the workshop crane.

Equipment structure: mainly composed of walking mechanism, bracket, cylinder, guide rail, etc. The center of the guide rail is set once during installation. The traveling mechanism is driven by a cycloid reducer to move the trolley, and the cylinder flange is connected to the bracket to make it rise.

skills requirement:

Traveling speed of trolley: ～5 m/min

Traveling distance of trolley: 3.5m

Transmission motor power: AC3 KW

Lifting hydraulic cylinder diameter×stroke: Φ220×900 mm

Hydraulic system working pressure: 8-10 MPa

Upper thrust: 37T(10MPa)

Maximum roll weight: 35 T

12,Electrical and control system

12.1 Electrical system environmental conditions

Ambient temperature: -10——40ºC

Humidity: 95% without condensation

Power supply: 380/220V

Electrical control: no strong vibration and no corrosive gas installation

Instrument control: no strong magnetic radiation

12.2 Standard Specification for Electrical System

Comply with GB50171----92 electrical installation engineering panel, electric control cabinet and secondary circuit connection construction and acceptance specifications.

12.3 Overall performance requirements

The electrical control mainly completes the process control and adjustment of the entire unit, and completes the process interlocking between related equipment in the unit to ensure that the entire unit equipment can perform corresponding and orderly actions normally, correctly and accurately in accordance with the production and process requirements.

The electrical components of the electrical system adopt products with excellent performance, and the advanced and reliable electrical components, meters and other equipment that are domestically mature, domestically made or manufactured in the country using foreign technology, and can be purchased domestically are used in the system.

12.4 Electrical configuration:

DC governor: Continental series

PLC: Siemens

Low-pressure vitality parts: Chint, LG

Operation buttons: Chint, LG

Electrical cabinet: GGD

13, hydraulic system

The hydraulic system is composed of hydraulic station, valve block, pipeline, etc.

System working pressure: 10; 12 MPa

Rated pressure of oil pump: 16 MPa

Flow rate: 73.5 l/m To To

Working medium: N46# anti-wear hydraulic oil

Working oil temperature: 20～60C○

Filtration accuracy: 30μm

Cooling water pressure of hydraulic pump station: 5-8Kg/cm2

Cooling water flow: 80～120L/min

Cooling water quality: clean water

Inlet water temperature: ≤30℃

The hydraulic system adopts water-cooling method in summer to meet the requirements of normal operation for 24 hours at a room temperature of 40 degrees; in winter, it has electric heating function, which meets the requirements of -20 degrees for continuous operation for 24 hours; the above hydraulic components do not leak oil.

The hydraulic system uses domestic high-quality hydraulic components, and the main control valve is Beijing Huade. The hydraulic system takes into account the local climate characteristics and adopts a water cooling device.

The oil tank, pipelines and joints adopt seamless pipes, and the oil tank has a heat dissipation system, which is convenient for oil filling and oil sampling.

The hydraulic system supply includes: hydraulic station, internal piping, intermediate piping and on-board piping.