Mack Invests in New Plastic Injection Molding Presses for Cavendish, Vt., Plant

CAVENDISH, Vt. (Feb. 6, 2024) – Mack Molding, a leading custom plastic injection molder and supplier of contract manufacturing services, announced today the Company has expanded the press fleet at its Cavendish, Vt., facility.

mack molding e240 roboshot injection molding press
Mack Molding’s new 240-ton Milacron Electric Roboshot E240

The addition of a 240-ton Milacron Electric Roboshot E240 press with a shot size of 10.6 ounces, and a 125-ton Milacron Q110 Hybrid press with a shot size 9.6 ounces, brings the total number of presses at the Cavendish plant to 20. Mack’s investment of approximately $325,000 included the presses, robotics and essential infrastructure support.

“These state-of-the-art machines enable our skilled team to maintain tighter process windows, resulting in superior tolerances, enhanced quality aesthetics, and more precise, consistent part runs,” said Mack North Vice President of Manufacturing Operations Rich Hornby. “This, in turn, ensures that customer programs move into production at an accelerated pace, reflecting our commitment to providing customers with the highest quality parts while ensuring operational efficiency and quick turnaround times.”

mack molding q110 hybrid injection molding press
Mack’s new 125-ton Milacron Q110 Hybrid press.

Company-wide, Mack’s press fleet includes 125 plastic injection molding machines ranging in size from 28 to 4,000 tons, with barrel sizes ranging from .6 oz. to 800 oz. That includes 21 presses that are 1,400 tons or larger, making Mack one of the biggest U.S. non-automotive large-part molders.

About Mack Molding
Mack Molding is a leading custom plastics molder and supplier of contract manufacturing services. Mack specializes in plastics design, prototyping, molding, sheet metal fabrication, full-service machining and medical device manufacturing. Founded in 1920, Mack is a privately owned business that operates 12 facilities throughout the world. Will Kendall is President and CEO. For more information, go to

About Synectic Product Development: Synectic Product Development is an ISO 13485 certified, full-scale product development company. Vertically integrated within the Mack Group, our capabilities allow us to take your design from concept to production. With over 40 years of experience in design, development, and manufacturing, we strive for design ingenuity, cost-effectiveness, and aesthetics.  Learn more about our prototype development services and see how we can help your next project.

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