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Scraper direct coating is mainly used for heavy coating or coating on the surface which is not smooth, such as woven fabric or non-woven fabric. The coating viscosity is generally between 500 and 10000 CPS, and the typical wet film coating thickness is between 25-125 microns. This unit contains a scraper with adjustable height and angle (mounted on a precision machining roll).

The gap between the scraper and the substrate is controlled by a micrometer. When the angle of the scraper is changed, the micrometer is equipped with a pivot along the end of the scraper to avoid interfering with the gap setting. Adjustable white baffle controls the width of coating, the maximum width is 270mm (the maximum width of reel material is 305mm)

Features of scraper coater:

1. The whole machine is controlled by 5 frequency conversion motor.

2. The form of discharging rack is electric turnover double position, and magnetic powder automatic tension control is adopted.

3. The coating method of comma scraper, the clutch adjustment of comma scraper roller adopts pneumatic swing arm type, the swing arm is equipped with micro adjustment device to control, and the glue thickness is controlled by feeler gauge.

4. Moire coating method: the coating scraper shaft adopts heavy-duty double shaft mechanical independent swimming, the scraper adjustment mode is manual with pneumatic, the angle can be adjusted arbitrarily, the coating amount depends on the mesh line of the moire roller, and the different mesh lines of the moire roller can be changed for different coating amount.

5. The oven is 10 meters, divided into 4 sections, with independent temperature control, electric heating, hot air entry drying system, adjustable internal circulation suction and exhaust device, strong air inlet and exhaust, and complete drying.

6. The guide wheel in the oven is synchronous with the main machine, and the synchronous belt wheel transmission is adopted to reduce the material stretching and deformation. The side door oven and the film piercing operation platform make it easy for the operators to work.

7. The intermediate tension between coating roll and traction steel roll is synchronously controlled by floating swing arm

8. Automatic meter and speed control device

9. EPC alignment machine is used for deviation correction, so as to make the material winding neat.

10. Key type air expanding shaft is adopted for retracting and releasing shaft, which is convenient for loading and unloading.

11. High precision up pressure traction device, water circulation type is adopted for steel roll cooling, through which the film is smoother, smoother and more effective.

12. The form of take-up frame is electric turnover double position, and the take-up is controlled by variable frequency motor and vector frequency converter.