We are going to make some aluminum cavity inserts for 3 different molded parts that will be interchangeable in a single cavity mold base. I am most comfortable with a steel mold base but am concerned about thermal expansion. The inserts will be about 10" square. The material we will be running...
We have built a cavity to mold a 6" X 6" X 1/2 thick plate of Fortron with 40% glass (similar to ryton R4. We are having trouble with some slight porosity in the center of the parts. We then made the cavity smaller in steps to the point that the cavity is now 3" X 3". The runners are 5/16...
I am designing a 4 cavity mold. The parts are rings that are 1.5" OD, 1.25 ID by .375 thick molded of 325 valox (PBT). My customer would like to see the gates on the ID of this part. He machines these and from his experience if we were to subgate on the OD there can be a visual mark where the...
I am having trouble with balloons. I have two views on an assembly view drawing sheet. I use one for the hot half of my mold cavity and one for the ejector half. These views are of the same assembly, but are different display states to show the appropriate components.After I create my BOM, I...
When I create a mold cavity and then extract out a corepin using the core function, I end up with separate faces at the area where the core is extracted from the steel and the area where the core is part of the mold cavity. This shows up on the drawing as a line that is misleading because it...
