8 Color 300m/min 4+4 PP Woven Sacks Cement Valve Bag Flexo Printing Machine

Printing Unit

1.The machinery by Gear driving, Servo motor control,Printing method adopt Photosensitive resin plate, suitable for both water-based and solvent-based inks.Printing range: 400-1200MM,Repeat length: 5MM (For every increase or decrease of 1 tooth, the length increases or decreases by 5MM ).

2. Color registration method: Online vertical and horizontal electric precise quantitative positioning and fast registration, with automatic center return function, horizontal: ± 15MM vertical: ± 10MM,Color registration accuracy: ·Horizontal: ± 0.15MM Vertical: ± 0.15MM , the color registration accuracy will not change when the speed is increased or decreased.

3.The central drum adopts double-layer structural steel pipe, which is processed by multiple heat treatment shaping processes, and the surface electrical layer reaches more than 200um . The central drum of water cooling system (Water-cooled machines can be optionally equipped) ,maintain a constant temperature, and prevent the material from stretching due to the influence of temperature.

4.The gear of the ceramic anilox roller is thickened. The diameter of the anilox roller is 156MM. The speed is reduced during high-speed operation to improve stability. The concentric bearing machine keeps the anilox roller concentric during high-speed operation to reduce vibration. Large bearings are used to increase the life of the ink transport bearings. The ink is automatically transported when the machine is shut down to prevent the ink from drying out.

5. Chamber Doctor blade Introduced Danish technology, using Teflon technology ,Blade specification : 35x0.2 MM Hydraulic positioning.

6. When the machine is turned on, the hydraulic cylinder pushes the anilox roller close to the plate roller to apply ink, and the plate roller is close to the center roller for printing, locked, and the cylinder is pressed to position the printing.

7. When the machine is shut down, the locking cylinder automatically releases pressure, the hydraulic cylinder pushes the anilox roller away from the plate roller, and the plate roller leaves the center roller, but the gears are still engaged. When the machine is turned on again for printing, it automatically resets, and the plate registration/printing pressure does not change.

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