Complex plastic parts & assembly manufacturing projects can be expensive and time consuming, but ultimately necessary if there is are specific parts or families of parts you need. But is it possible to double, or triple, your complex parts & assembly manufacturing output, plus reduce costs and produce multiple components in one shot? Yes and stack molds are the answer.
Stack molding is a processing technique that can double, triple or even quadruple your injection mold output, while reducing the overall cost and saving time in the process. Stack molds are versatile, too. They can produce a family of parts or multiple molds of the same component at the same time.
Understanding Stack Molds
The premise of a stack mold is pretty simple. A stack mold is a series of interconnecting, single-face, same-sized molds that are stacked together. By stacking the molds, the platen size or tonnage isn’t increased so there at least double or triple the amount of cavities producing parts, if not more.
Most stack molds have an equal number of the same cavities in each side of the mold, or parting surface, but they can also have different cavities in each mold-parting surface to produce a family of parts per shot, with each part being a different shape and size.
Stack Mold Benefits
Stack molds have many benefits, almost too many to list. Here are just a few of the many areas stack molds can benefit your complex parts & assembly manufacturing output.
Some of these benefits include: