Flexo Printing Digital CTP Plate Imaging Washing Exposing System

                                                                              Flexo Printing Digital CTP Plate Imaging Washing Exposing System

 

   How to make the flexo polymer plate by CTP and washing processor system?

 

   

Step1: Back exposure by the exposure machine (26seconds)

Step2:CTP Plate Autolading

tear off the profection layer of the plate

CTP plate autoloading : open the CTP plate drum clamp and check alignment, close the clamp ,the CTP plate is autoloaded on the drum and close the tail clamp.

Step3:Load the file on the computer and check the plate setting parameters(size of CTP plate, laser power,drum speed,focus and imaging time and so on),

Step4: Unload the CTP plate from the drum after imaging. The plate for different colors are imaged on one plate.

Step5: Main exposure: dedusting before exposing, the main exposure is by UVA LED light,which has long working life. Exposing speed is about 2cm/s, it takes about 25mins.

Step6: To make the CTP plate feed in the washing machine, it needs to be cut and punched with holes. Load the plate on the washing machine set the wash time and parameters. It takes about 30mins for washing.

Step7: The final step is plate drying and detacking,it takes about 90mins, if the CTP plate is not thoroughly dried, it will affect the plate's durability and cause deformation.

 

Model	VULCAN-5080S	VULCAN-5080F
Exposing Mothod	External Drum
Imaging System	1064nm filber laser device (H256 heads)
Throughput	3 sqm/hour at 5080 dpi	5 sqm/hour at 5080 dpi
	50*80 inch, takes 45 minutes	50*80 inch, takes 30 minutes
Exposing Size	Max.size 1270*2032mm, min. Size 200*200mm
Media Type	Dry ablation film, Digital water washing letterpress plate. Digital water washing flexo plate, Digital solvent washing flexo plate
Plate Thickness	0.140mm to 6.35mm
Resolution	5080DPI (compatible with 2540DPI) , can extend to support 10160DPI
Plate Loading	Automatic/Manual plate loading
Net Weight	2500kg
Machine Size (WxLxH)mm	2970*1705*1537mm (L*W*H)
Power Supply	Three phase voltage: 380V, Max. Power (peak value) 16 kw
Operation Environment	recommended:15-30℃, Max.21-25℃, humidity:40-70%

 

5080 Computer To Flexo Plate system adopts the latest development of H256 laser head technology.

A full size of 50 inch×80 inch plate output only needs 30 minutes.

 

Digital Flexo CTP Plate making process
First, use a computer to create the graphics, images, text, etc. to be engraved.

Then special computer imaging software will convert the graphic information of the original into executable relevant parameter data such as depth, size and shape for modulation of the laser beam.

The control system then controls the movement of the laser beam according to the command. The laser acts on the surface of the material and uses the power of the laser to ablate graphic information into dots.

After the ablation, the dot residues are processed by a special device.

 

Advantages of laser direct engraving of flexo printing plates
(1) There is no need to dry and rinse, which saves a lot of money and reduces costs.
(2) Save plate making time
(3) The engraving quality is stable and easy to control, and there will be no printing plate expansion without plate washing.
(4) Eliminating a large amount of auxiliary equipment and reducing investment
(5) The engraving dots are sharper and steeper than traditional dots, and the dots are round. High contrast and small dot increase rate.
(6) The entire work process is fully digitalized, and the industrial process is greatly simplified. Quality control is also easier to achieve.

 

Other Equipment needed for flexo plate making:

 

Flexo Plate Back Film Exposing machine

 

Flexo Plate Washing Machine

 

Flexo Plate Light Treatment Dring Machine

 

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