No.

Project

                   Technical Parameter

     Notes

1. 

Head installation structure

Overall vertical plate installation (thickness 46mm, surface chrome plated) CNC machining.       

2. 

Drive connection method

The direct connection method of the motor and reducer makes the drive more stable and reduces the interference of motor vibration on the coating mold and coating roller.

3. 

Transmission structure of coating roller and feeding roller

The coating roller and front drive feeding roller are respectively driven by independent servo motors and precision reducers.

Yaskawa Servo, Japan

4. 

Extrusion mold push

The left and right propulsion uses cylinders to provide back pressure respectively; The lateral position of the mold is adjusted by the handwheel screw component to adapt to changes in the position of the baseband.

SMC cylinder

5. 

Extrusion mold

1. The mold is designed as a combination of upper and lower half molds, with the upper and lower half molds connected by gaskets;

2. The combination mold can adapt to effective coating of various slurries and thicknesses;

3. The design of the mold cavity ensures the stability of the slurry extrusion;

4. The surface roughness of the mold cavity is ≤ Ra0.2 to ensure smooth flow of the slurry.

5. The effective coating width of the mold is 680mm;

6. The straightness of the mold discharge port is ≤ 2um.

6. 

Extrusion mold gasket

Positive electrode: one gasket for each of 0.8mm, 1.0mm, and 1.2mm

Negative electrode: one shim for each 0.6mm, 0.8mm, and 1.0mm

The thickness and size of the gasket can also be customized according to the process requirements of the purchaser

7. 

Coating roller (steel roller)

The surface is plated with hard chromium, with a diameter of 265mm; Hollow structure,

Circular runout ≤ 1.5um

Straightness ≤ 2um

Tested with a Japanese Mitsubishi dial gauge

8. 

Front drive feeding roller (Steel roller+rubber roller)

Drive roller+pinch roller method

9. 

Drive roller: diameter Φ 150mm steel roller with hard chromium plating on the surface

Pinch roller: diameter Φ 120mm; Surface covered with EPDM

The pinch roller is driven and closed by a cylinder

10. 

Guide roller

φ120mm   Anodic oxidation of aluminum alloy surface

11. 

Adjustment of gap between mold and coating roller

1. Gap range: 1-2000um;

2. By rotating the screw through a servo motor, the wedge is driven to move, and the mold moves back and forth under the action of the left and right cylinders;

3. By using high-precision displacement sensors to detect the gap size, the left and right gap values are directly displayed on the touch screen, making adjustments faster and more accurate.

12. 

Head control screen

Touch screen+button combination operation

The commonly used action is the external button

13. 

Coating valve and return valve components

1. The valve body is made of SUS304 stainless steel material, and the internal pipeline is designed with streamline to reduce the resistance of the flow channel;

2. The connection between the two valves and the pipeline is a chuck type quick connect method, which is convenient for disassembly and cleaning;

3. The valve core is driven by a servo motor, ensuring quick opening and closing during coating and cutting;

14. 

Dynamic filtration feeding system

1. Stainless steel coating tank+servo Screw pump+dynamic filter (Japanese filter element)+pressure detection+liquid level detection;

2. Coating tank: equipped with low-speed stirring (0-30RPM) to prevent slurry settlement; With interlayer insulation function. Equipped with liquid level detection, it can monitor the current residual material quantity at any time to avoid material shortage during coating;

3. Servo Screw pump: the pulsation free Screw pump driven by servo motor can ensure the continuous and stable output of slurry to ensure the stability of coating amount;

4. Dynamic filter: ensures effective filtration of the slurry during transportation without the need to clean the filter screen midway; (Our patented design) The filter element is replaceable during use and has a long lifespan.

5. Pressure detection: Monitoring the pressure during slurry transportation can determine the stability of slurry transportation;

6. Pipeline: All slurry conveying pipelines adopt a chuck quick connect method, which greatly facilitates installation, disassembly, and cleaning.

7. The feeding system has the function of automatically controlling the slurry entering the coating tank according to the set liquid level of the coating tank

Screw pump is driven by servo motor

15. 

Thickness gauge

Second coating outlet configuration, integrated in the coating group

Optional

No.

        Project

                   Technical Parameter

     Notes

1. 

Oven structure

1. Independent inner liner design, with adjustable overall height of upper and lower inner liners;

2. The height of the hair dryer can be adjusted separately and can be disassembled.

3. Zones 1-3, 7-11, 10-12, and 16-18 are upward curved structures with a total drop of 260mm;

4. Inner liner: SUS304 stainless steel;

5. Outer liner: SUS 201 stainless steel

6. Negative pressure chamber at the inlet and outlet: effectively separates the hot air in the drying channel from the air convection in the operating room, reducing the odor in the operating room; At the same time, it can enhance the uniformity of the temperature in the first or last section of the oven

High speed box

2. 

Oven length

55 meters (5 meters per section, a total of 11 sections, each section is double layered);

3. 

Circulating air duct and exhaust duct

Sandwich insulation design

Inner liner: SUS304 stainless steel

Outer liner: SUS 201 stainless steel

4. 

Transmission mode of oven guide roller

1. The main transmission idler structure is located in zones 1-3, 7-10, 10-12, and 16-18;

2. Zones 4-6 and 13-15 are horizontal floating structures without rollers

3. Frequency converter+motor control, roller drive can strictly follow the baseband linear speed.

4. Roll diameter Φ 80mm, anodized on the surface of aluminum alloy;

5. 

Heating method

External steam heat exchanger heating, hot air circulation structure

6. 

Heating power of single zone oven

50KW/5m/zone (a total of 22 temperature zones);

Selection of other heat exchange methods (electricity, gas, heat transfer oil, etc.)

7. 

Temperature control

Each box has completely independent two-stage temperature control:

Level 1: Temperature control for normal operation of the box;

Level 2: Heating package temperature abnormal alarm control. When the heating package exceeds the temperature, an audible and visual alarm will appear, and the main heating power supply will be cut off.

8. 

Heating control

After PID calculation of the temperature controller, drive the electric proportional valve to adjust the temperature

9. 

Temperature inside the drying tunnel

Room temperature~150 ℃, with a temperature difference of<± 3 ℃ within each temperature zone,

10. 

Surface temperature of the box during operation

Outer surface temperature ≤ 50 ℃ (when ambient temperature ≤ 25 ℃)

11. 

Blowing method

1. The upper air duct of the boxes in zones 1-3 and 10-12 adopts a porous diffusion method, while the lower air duct adopts a horizontal blowing method of the air knife;

2. Zones 4-9 and 13-20 are centralized spraying of horizontal wind blades;

3. The upper and lower air ducts of each box share a heating element and a fan, which are separated by valves;

12. 

Fan control

1. All circulating fans (22 sets of 4kw) are controlled by frequency converters;

2. The dehumidification fans (8 sets of 4kw) are controlled by frequency converters;

13. 

Adjustment of Up and Down Blowing Air Volume for Single Section Box

The upper and lower air flow is independently adjusted through mechanical valves in the upper and lower air chambers; The total air volume is adjusted through a frequency converter.

14. 

Moisture exhaust air volume of single box and complete machine

The dehumidification air volume of a single box is adjusted through a mechanical dehumidification valve;

The total exhaust air volume of the entire machine is adjusted through a frequency converter.

15. 

Solvent recovery system

Not provided, only assisting with interface installation

16. 

NMP solvent concentration alarm(Optional NMP solvent configuration only)

Two sets of NMP concentration detection probes are configured for each upper and lower layer (a total of six sets)

(Optional) Install the detection probe on the circulating pipeline

17. 

Blast circulation air volume

Boxes in zones 1-3 and 10-12, with a single zone air volume of 800-4500 m3/h

Adjust the air valve to control the air volume according to the process (with a scale prompt)

Boxes in zones 4-9 and 13-20, with a single zone air volume of 1500-7000 m3/h

Adjust the upper and lower air valves according to the process to control the air volume

18. 

Make up fresh air and exhaust gas Engine displacement

Each zone 500~3000 ㎥/h

Control the air volume according to the process air valve

19. 

Total exhaust air volume

10000~65000 ㎥/h

Frequency converter+motor control air volume

20. 

Main insulation

Double layer structure, insulation layer thickness 100mm, Glass wool insulation

21. 

Explosion proof pressure relief port

One pressure relief port per section

22. 

Filter

Installation of primary filter for main circulation and fresh air inlet

23. 

Pressure monitoring

Equipped with three sets of pressure monitoring gauges: upper air inlet chamber, lower air inlet chamber, and inside the oven

No.

     Project

                    Technical Parameter

    Notes

1. 

Roller mounting structure

Overall vertical plate installation (thickness 30mm, surface chrome plated) CNC machining.                    

2. 

Rear Drive Tension Control System

1. Install a floating tension roller in front of the rear drive roller; Floating roller shaft installation angle sensor;

2. The sensor angle value is controlled by PID calculation to control the speed of the rear drive roller.

3. The tension of the floating roller is controlled by an electrical proportional valve, which is stable and digitally adjustable.     

3. 

Rear drive roller

Rear driven main roller (rubber roller)+pinch roller (aluminum alloy) mode

Drive roller: diameter Φ 150mm, surface covered with EPDM;

Pinch roller: diameter Φ 120mm, surface anodized hardened.

4. 

Process correction

Installation of drying outlet, automatic EPC control, swing ± 15 degrees

Fully automatic deviation correction

Can recognize transparent film

No.

     Project

                    Technical Parameter

    Notes

１

Roller mounting structure

Overall vertical plate installation (thickness 30mm), manufactured by CNC machining center;

Rotary frame wall panel cast iron (thickness 100mm), produced by CNC machining center;

Driving method

The servo motor drives the A/B material shaft to automatically rewind, automatically connect the material roll, and change the roll without stopping the machine;

The rotary frame is of a disc structure, and the motor drives the center to rotate by 1 revolution per minute;

Positioning with rotary encoder and locking with pneumatic brake;

２

Winding tension control system

1. Install a floating roller on the winding frame, and control the winding tension with a pneumatic conversion valve and PLC.

2. PTD control, stable tension and digital adjustable.

３

Winding correction

Automatic EPC control, stroke ± 75mm; The accuracy of the correction controller is ≤ ± 0.5mm.

Ultrasonic sensors can recognize transparent films

４

Material roll support method

The material roll is fixed with a 3-inch inflatable shaft, wound up, and supported by a safety clamp on both sides

５

Reel diameter

Ф 85~ Ф 600mm; Audible and visual alarm prompts for minimum and maximum roll diameter values

６

Maximum bearing capacity of inflatable shaft

750Kg/piece

７

Drum specifications

Length 720mm, inner diameter approximately 76mm (3 inches)

８

Number of winding inflatable shafts

Automatic switching of 2 A/B axes (dual axis winding)

９

Receiving platform

1. 4 cylinders/double rod pressure strip, with a scoring groove in the middle of the pressure strip platform;

2. When the belt is running, the pressure bar automatically bounces up, and when the belt is stopped, the pressure bar automatically falls down.

10

Automatic roll changing and cutting method

Tooth shaped cutter quick cutting method, upper material receiving method

11

Receiving and pressing roller

Pneumatic pressure roller, pressure adjustable; Make the winding flat and free from slipping

No.

Project

Technical parameter

1. 

Die head

Straightness ≤ 2um

2. 

Coating roller (steel roller)

Circular runout ≤ 1.5um, straightness ≤ 2um, smoothness ≤ Rc0.4

3. 

Deviation correction accuracy of winding and unwinding

±0.5mm

  Project

Mark

Standard（V=33m/min）

1)  Product accuracy for continuous coating

D (Edge effects area)

≤2mm，-10～+5um（Change in viscosity of slurry＜±300cps）

F (width error)

±0.2mm

M (width error)

±0.5mm

I (vertical alignment error of front and back sides)

≤±0.5mm

Single sided density error

Weight error≤±1.3%

Double sided density error

Weight error≤±1.2%

2) Measurement method

A. Measurement area: 5mm away from the edge and end, and 5mm away from the beginning;

B. Sampler size: Φ 44mm or according to the process requirements of the purchaser;