Re: bubbles in SL5170

From: Karl Watne (Narvik Institute of Technology)
Date: Wednesday, May 10, 1995

From: Karl Watne (Narvik Institute of Technology)
To: Chris Ainsley
Cc: RP-ML
Date: Wednesday, May 10, 1995
Subject:       Re: bubbles in SL5170
Hi all RP'ers!

The same problem appeared at our SLA at Narvik Inst. of Tech., so 
your problem in Liverpool is not unique. I belive that it could have 
somthing to do with the age of the resin or the condition of the 
resin. Is it possible that the resin changes properties during 
storage in daylight.
Some of the models that we build have curved surfaces when they 
actually should be plane.A guess is that the surface tension in the 
resin increases by aging.

Karl Johan Watne
Narvik Institute of Technology


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