Last weekend we do some test of DRS line, after start spray on I find many white dust and some big melt particle come out from nozzle, could you please give us some suggestion about how to fix it, Thanks!
You can solve this problems as
When sprayer releases white smoke(so much white dust) pls. do following
1. First of all, check temperature every zone that actual values are matching with setting values or not
2. Check the temperature of Zone 3 and Zone 4, they should not be the over heat
3. Down temperature Zone 3 and Zone 4 about 3-5 degree celsius ( zone1,2 and 5 are fixed temperature)
When sprayer release some big melt particle, pls. solve as
1. Up temperature Zone 3 and Zone 4 about 3-5 degree celsius
2. Redo item1 until it becomes to normal condition
Finally if it is not able to solve pls. take off the screw extruder for being clean.
Any support, please let me know,