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How to make PC light tube in two colors by vacuum calibration extrusion?
Sep 11, 2017

How to make PC light tube in two colors by vacuum calibration extrusion?


1. The details of cooling water tank for PC light tube: 


Vacuum pump 2.2KW: (fixed outside to reduce shock and improve product quality)

3 dimensional adjustable machine frame;  

Precise vacuum pressure meter   

Water tank length3000MM

Water tank materialstainless steel 304   


2. Normally we make co-extrusion die for dual color PC light tube extrusion production, in this way, only one vacuum pump is equipped in the cooling water tank for calibration. 


3. For some complicated dual color PC light tube, two parts of light tube would be calibrated separately,  thus two vacuum pumps are required for this purpose.  



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