Calculating Heat Load in a Mold & GPM of Coolant

Each injection molder's cost estimation methodology is unique During my quarter century in practice, I've developed costing models for a half-dozen injection molders and each one had unique features caused by the way the company operated and the ... Weld lines of injection molded plastic parts Weld lines is something you tend to get in an injection molded product with multiple flows. Question is 1) Is the weld line strong 2) Is the appearance acceptable. If there is only one/ two weld ... Compression Molding Pros and Cons Labor: A whole line would require only two people (the whole line is compounded by compression molding machine, folding, slitting and lining (EVA) machines). Maintenance: The compression molding and ... Choose wisely of hot runner manufacturers As having been the Asian tooling manager for a prominent US company for the past 15 years I can attest to numerous hot runner problems. Most hot runner problems resulted from the hot runner/injection ... Prevent silver streaks of injection molding With respect to suck back/ decompression, other than decreasing to rule out air introduction into the nozzle, also check that the final screw position before each shot is repeatable. A variable gain ...