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My experience: PA+GF,the barrel and nozzle temperature from the material supplier is 280 degree.the surface is awful,while the temperature decrease t0 235-240 degree,all is ok.
also many times,my...

I couldn't agree any more,the same problem occured here,too long and thin sprue,some circle undercut on inner surface.
shorten the sprue bush(lathe a hole on the cavity side) and change a good...

Hi Pilot,
As far as I know,most hoturnner system components are standard,very few is customised.

Hi
It happened that I have a website for the PC injection molding treatment:http://www.myplasticmold.com/injection-moulded-product.html

No,I didn't heard that

Hi ,I have build a calculator for the calculation of the cooling time of injection molding,it is totally free:http://www.myplasticmold.com/cooling-time-calculation-of-injection-molding.html

Yes,Ruhlj,But I think water basin shouldn't be small one,and my question is :when did you find this problem?form the begining of manufacturing or after a period of time?

Yes,there are other brand for the hotrunner system,like yudo from korea,ZDQ from china.We normally use the heat coil "hotset " from Germany.