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has made a large investment in plastic injection molding presses with over $3 million dedicated to new presses, auxiliary equipment and automation enhancements. The custom plastics molder and supplier of contract manufacturing services says this is the largest investment in plastic injection molding presses it has made in more than 25 years.

According to the company, this substantial upgrade will augment its manufacturing capabilities, enhance efficiency and bolster the company’s ability to meet increasing customer demand.

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“Mack Molding has a long history of reinvesting in our operations to meet the evolving needs of our customers,” says Josh Pang, president of Mack North. “This investment in advanced injection molding technology underscores our commitment to delivering high-quality, precision-molded components while increasing efficiency and productivity.”

As part of the investment, multiple new Milacron presses have been installed across several of the company’s facilities. The Cavendish, Vermont, plant has added a 1,100-ton and a 500-ton press, while the East Arlington, Vermont, plant has upgraded its equipment with a 500-ton press, along with a 950-ton and a 1,500-ton press to replace older models. Mack’s Statesville, North Carolina, facility has also been updated with a 610-ton and a 1,100-ton press to further enhance its production capabilities.

“These new hybrid presses will significantly enhance our manufacturing capabilities,” says Bryan Campbell, president of Mack South. “Compared to traditional hydraulic models, they offer improved energy efficiency, reduced cycle times and greater precision, enabling us to better serve our customers while optimizing production processes. This investment reflects our commitment to growing alongside our customers, anticipating their needs and staying ahead of industry advancements to provide the highest level of quality and innovation.”

Mack Molding operates a fleet of more than 120 plastic injection molding machines, ranging from 28 to 4,000 tons with barrel sizes from 0.6 oz. to 800 oz. With 22 of these presses exceeding 1,400 tons, Mack says the investment makes it among the largest non-automotive large-part molders in the U.S.

It is said the hybrid presses will enable increased output while reducing energy consumption, which underpins the company’s commitment to sustainable manufacturing. With the additional capacity, the company says it is well-positioned to support growth across a variety of industries, including medical, industrial and transportation.

Mack Molding specializes in plastics design, prototyping, molding, sheet metal fabrication, full-service machining and medical device manufacturing. Founded in 1920, Mack Molding is a wholly-owned subsidiary of the privately-held Mack Group corp., which also includes three other divisions — Mack Technologies, Mack Prototype and Synectic Product Development. Mack Molding operates nine locations throughout the eastern United States with its headquarters in Arlington, Vermont.