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The five shortcomings of liquid photosensitive polymer selective curing technology

Time:2014-08-05 15:19 source: Leecheer Author: Leecheer Click:
1.Difficult to guarantee the dimension precision due to the chemical and physical changes in 
the forming process , and the will creep ;
2.Must to scan and curing the whole cross section , forming time is very long,need to make 
curing process after forming;
3.The part not exposured by laser beam is still liquid, so need to design the support of the 
overhanging in advance, remove after curing;
4.Photosensitive resin is brittle,easy to fracture after curing. The processing ability is bad,
the  working temperature should not exceed 100 ℃,will hygroscopic and expansion, the 
corrosion resistant ability is not strong, and expensive (140-2404 / kg).
5.The laser tube life which produce ultraviolet laser is about 2000 hours.
 
Keywords: The,five,shortcomings,liquid,photosensitive,polymer, 
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