Thermal Paper Coating Machine Line

Thermal Paper Coating Machine Line
JRX THERMAL PAPER COATING MACHINE LINE-CONSISTENT PRODUCTION,STABLE COATING QUALITY

Designed for high-efficiency thermal paper production, this advanced coating line features double blade knife coating for precise application and uniform quality. It includes automated unwinding/rewinding with splicing, non-contact air flotation drying, and online calendering for superior surface finish. The integrated back wet coater prevents curling while hot/cooling cylinders ensure dimensional stability. With PLC control and premium components, it delivers reliable operation, reduced chemical costs, and excellent printing performance for thermal-sensitive papers.
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Parameters
Specifications
FAQ

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BASE PAPER TYPE

WOODFREE OFFSET PAPER;LWC PAPER

BASE PAPER WEIGHT

40-80 GSM

BASE PAPER WIDTH

1000-2000 MM

WORKING SPEED

100-350 METER/MIN

COATING DRY WEIGHT

5-15 GSM

COATING METHOD

BLADE KNIFE COATER

OVEN TYPE

AIR FLOATATION OVEN

OVEN TEMPERATURE

120-160 ℃

HEATING SOURCE

SATURATED STEAM;GAS BURNER

CONTROL SYSTEM

PLC WITH TOUCH SCREEN AND DISTRIBUTED AC VARIABLE FREQUENCY CONTROL

Key Features                

1-AUTOMATED UNWINDING AND REWINDING WITH SPLICING

2-HIGH EFFICIENT OPEN TYPE OVEN

3-DOUBLE BLADE KNIFE COATING FOR PRECISE COATING APPLICATION

4-ONLINE CALENDERING AND FINISHING SYSTEM WITH LOW ENERGY CONSUMPTION

5-EASY AND AUTOMATED OPERATION WITH TOCH SCREEN

Specifications


1.Automatic Unwinding and Rewinding with Splicer

This automatic splicing system employs a double-drum support and pneumatic splicer for continuous operation. This design ensures the continuity of the high-speed production process by maintaining a constant tension on the paper, thereby improving the quality of the final product and significantly reducing machine downtime and paper waste.


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2.Blade Kinfe Coater

This coating head has extremely high precision in applying the coating layer, ensuring that the coating weight on the roll material is uniform and of consistent quality. Its flexible design allows for easy adjustment of coating parameters and is easy to clean, which enhances operational efficiency. This results in the final heat paper products having reliable performance, minimal material waste, and excellent surface smoothness.



3.Drying Section

The dryer we used is air floatation type which could achieve no-contact drying mechanism.By suspending the coated sheet on a cushion of hot air, they perfectly preserve the pristine, smooth surface finish, preventing any marking or distortion. We have provided two drying options, saturated steam or gas burner heating.The customer can select different drying sources according to the actual situation.



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4.Back Wet Coater

The back wet coater applies a thin and uniform coating on the back of the paper roll. This process effectively prevents curling, enhances the stability of the paper during the processing, and improves the forming effect of the roll paper. Moreover, it has the necessary anti-adhesion properties and can be adjusted according to specific application requirements to control the ink absorption in the final application, thus ensuring the consistency of printing quality and the reliability of performance.


5.Hot and Cooling Cylinders

This dia 1.5 meter hot cylinder offers a large surface area, facilitating efficient heat transfer. It can effectively smooth the coating surface, eliminate wrinkles and improve the flatness of the paper. When used in combination with a dia 0.8 meter cooling cylinder, it enables precise temperature control, setting the paper structure, and stabilizing the final product size. This combination can provide excellent surface quality, enhance operational performance, and achieve outstanding dimensional stability, thus delivering outstanding results for thermal-sensitive paper.

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6.Double Roller Soft Calender

The soft pressing rollers in the thermal paper coating feature high-quality alloy chilled cast iron hard rollers and elastic soft rollers to create a uniform pressure area. This configuration effectively enhances the smoothness and surface glossiness of the paper, without over-compressing it. As a result, it improves the printing performance of the thermal head, maintains stable image quality, enhances the appearance of the product, while still preserving the basic breathability and physical properties of the paper.


7.Chemical Preparation System(Optional)

As a turnkey project solution provider,we offer support in chemical preparation system by supplying online recycling tanks and offline chemical preparation tanks with free customized formulation design. Online recycling tanks including coater tanks and back flow tanks to ensure waste rate of chemicals within 7%.Offline chemical preparation tanks would prepare chemicals for base coating and thermal coating process.With base coating process and self-prepared thermal coating chemical,custom would save over 20-30% in chemical cost with better paper quality.

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8.Outsourced Accessories

To ensure the stable operation of coating line,we have established a stable cooperative relationship with internationally renowned accessories manufacturers.

 .PLC system and touch screen:SIEMENS,GERMAN 

.Bearings:NSK,JAPAN

 .Pneumatic Control Components:FESTO,GERMAN

 .Frequency Converters and Servo Drive:SIEMENS,GERMAN

 .Drive Motors:GUOMAO,CHINA 


These components from those top brand were well-received by our customers and offered high-speed, reliable production of superior quality thermal paper with precise control in coating cost and quality.



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