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The double guide arm structure Gravure coater

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The double guide arm structure Gravure coater
The double guide arm structure Gravure coater

The double guide arm structure Gravure coater

  • Width of roll surface 800mm-1900mm
  • Coating method Comma scraper coating form
  • Adaptive size Acrylic/silicone oil /UV light-cured adhesive, etc.
  • Scope of application Coat film/photovoltaic backplane film /PET optical protective film coater/label paper
  • Suitable substrate: PET/PETG, TPU, PVC etc.
  • Mechanical speed/coating speed: 30~150m/min (speed depends on process conditions)
  • Bellows length 32m
  • Adaptive winding diameter Max. φ 800 m (or 1000mm)
  • Coating thickness 5 μm/15μm/20μm/30μm
  • Oven structure Fully active roller arc oven
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Comma Coater

Comma coater is composed of unwinding, traction, corona, dust removal, comma scraper coating head, oven, rectification, second unwinding and stripping winding, compounding, storage, winding, heating, air duct and control system, among which the coating head and oven runner are the core technologies. The working principle of the equipment is that the coiled PETG or TPU substrate is conveyed by the unwinding unit, and then enters the comma transfer coating head unit through traction, corona, dust removal and other devices, wherein the function of the coating head is to uniformly coat the slurry on the surface of the substrate. The principle is that the slurry is metered and transferred to the coating roller by adjusting the gap between the coating roller and the comma scraper, and then by adjusting the gap between the back roller and the coating roller, The slurry measured on the coating roller is transferred to the surface of the substrate, and then enters the oven for drying. At the outlet of the oven, the dried material is corrected, and then a protective film stripped by the second unwinding is attached by a large-diameter roller and a rubber pressing roller, and finally the finished product is rolled.

Equipment advantages

Comma Coater

1. Inflatable shaft chuck adopts mechanical chuck mode, with compact structure, simple maintenance, wear resistance, strong bearing capacity and high reliability.

2. The structure of over-roller transmission is optimized to reduce abnormal sound and improve the service life of bearings.

3. Double closed-loop tension control, tension swing roller adopts low friction cylinder and electric proportional valve, air pressure closed-loop control.

4. Brand-new anti-wrinkle technology, according to the design of equipment path, various forms of flattening roller, arc flattening roller and spiral flattening roller are configured.

5. The temperature in the bellows is uniform, and the error is within ±2°C. PID closed-loop adjustment is energy saving and environmental protection (electricity/steam/oil can be selected).

6. Through the fluid simulation of the bellows channel, the structure is optimized to ensure that the inner channel of the bellows has no dead angle and no vortex flow, and the wind speed fluctuates smoothly.

7. Carry out fluid simulation and optimize the structure of pipes and tuyeres to improve the utilization rate of hot air and save energy consumption.

8. The coating roller and comma scraper are designed with quick release structure, which is convenient for replacement, cleaning and maintenance.

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  • Customization ability

    1.Optional coating forms: Comma transfer coating, gravure coating with anilox roller, extrusion coating, etc.
    2.Number of coating heads: Single machine or multiple machines are suitable for different process applications.

  • Customization ability

    3.Coating substrate: Plastic film, paper, PP nonwoven fabric, aluminum foil, copper foil, etc.
    4.Width: 300mm~2100mm

  • Customization ability

    5.Speed: 50~250m/min
    6.Length of single oven: 2 ~ 5m/section

  • Customization ability

    7.Total length of oven: 4m ~ 100m.
    8.Oven structure: Roller type, suspension type.

  • Customization ability

    9.Drying form: Hot air and UV curing.
    10.Unwinding structure: Single-station and double-station manual/automatic material receiving.

Customization ability
Customization ability
Customization ability
Customization ability
Customization ability
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FAQS

1.Q: Which company in China developed and produced the car coat film coating machine with the best stability? Is the operation the most user-friendly?

A: The TPU car coat film coating machine produced by Dongguan Pengjin Machinery Technology Co., Ltd in Dongguan, Guangdong Province, People's Republic of China (PRC) ranks first in the industry in terms of stability and energy saving effect; The operation mode of the equipment is based on the research and development and design improvement summarized by the front-line personnel in the workshop for many years, which conforms to the industry operation safety standards and enjoys the first reputation in the industry.

2.Q: How long is the oven of car coat film coating machine? How fast? How many square meters can be produced every day?

A: The total length of the oven of the car coat film coating machine produced by Dongguan Pengjin Machinery Technology Co., Ltd in Dongguan, Guangdong Province is 32 meters; Speed 50 m/min; 8 hours a day can theoretically produce 38 thousand square meters.

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