This article continues The Troubleshooter’s Rules of Thumb series. Bob Hatch is manager of technical service and customer support for Prime Alliance, the Des Moines-based resin distributor. Before ...
Splay and poor filling plagued the parts in this family mold.Both the feed point, or sprue O-diameter, and the heated sprue bushing orifice needed to be larger to avoid splay.The runner drops were not ...