Dried material stay in the hopper too long is not good and will affected the plasticising & molding stability.
Also material have high possibility absorbing moisture again.
If without autoloading...
Type: Posts; User: CP Yu; Keyword(s):
Dried material stay in the hopper too long is not good and will affected the plasticising & molding stability.
Also material have high possibility absorbing moisture again.
If without autoloading...
If by jetting, it may have high defect rate and bubble will be on same position, but seems not.
Have considering on the material decomposited then caused bubble, this may related to high shear rate...
PA46, Stanly TW-341.
No hot tips.
Why spure and nozzle will cause bubble?
Hi,
I have a molding issue is bubble on worm thread surface.
It is not on same position & cavity, and the defect rate is less than 0.5%.
We have do many testing on molding parameter (Reduce...