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Aside load insert system has been developed by a moldmaker that works with standardized mold base systems—allowing moldmakers to ship molds and mold inserts more quickly to their customers.

Kenton, OH-based Modular Mold Systems, a division of Pleasant Precision, Inc.—a moldmaker and a provider of interchangeable mold insert systems—developed the side load system in response to one of its customers who had been looking for a better way to use standardized mold base systems that are currently available. Modular Mold Systems President Ron Pleasant notes that the customer prefers a quick change system, which allows him to easily install the mold. However, Pleasant saw that the current system could work even better with some tweaking. “We decided we could standardize some aspects and then carry these products in stock,” Pleasant explains.

System Features
These systems—compatible with industry standard U-Frame sizes 08/09 and 10/12—have inserts that are standard laminated P-20 construction. Pleasant notes that solids and other steel types are available for special order. “Ejector plates are centered with the B plate and inserts are larger than standard to allow full useable space on the ejector plates,” he explains. “Inserts are still fully compatible with standard U-Frames and offer more cavity space for the ability to work with slides and accommodate larger parts.”

Pleasant notes that when the company designed the side load system, they added adjustability and standardized some of the methodologies required in the design process. “We placed everything on a true centerline and made everything a little bigger so we could get a little room in the smaller inserts,” he states. “Then the customer could get more of his product into the smaller units. Our customer wants to use all of their standard frames so we can’t really fool around with the interface side of it, but we can start to adjust some of the insert sizes above the master frame.”

“Another thing we decided was that we needed to have cover ejection,” Pleasant continues. “These parts tend to have lots of undercuts and are symmetrical. They need to come out of the cover and stick in the injector. If you don’t do that the mold will fail, so we needed a standardized method to put cover ejection in. This helped our ability to respond to those particular parts that needed cover ejection.

Applications

A completed mold with slides using the side load system. Photo courtesy of Modular Mold Systems.

According to Pleasant, this system is suitable for the automotive market because the parts are small, they tend to be generically similar to each other, and they have undercuts and slides. “Often, the customer will want four, eight or 16 cavities, which tend to fit in this small insert size and it meets the customers’ ability of being a lean setup where they can change mold inserts multiple times in a week and not have a lot of setup time,” Pleasant elaborates. “Standardized mold base systems serve these requirements quite well, so by building a side load insert that fits into that already well nested product, and then adding more standards to it—allows us to become yet more competitive with our delivery times and our cost per injection mold.”