Assembly-Sonic Welding & Pad Printing

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Finished component

3 molded components assembled and pad printed

In addition to custom plastic injection molding, Stack Plastics performs a number of light assembly processes in-house, to deliver more complete finished products. Our assembly services include sonic welding and pad printing, that add value to your parts and components, and help speed up your overall production process.

Stack Plastics performs mechanical assembly to turn several subcomponent parts into a finished assembly, which can then be shipped to our customers for further manufacturing and assembly. We utilize specialized pneumatic presses that can meld two or more freshly molded parts using applied pressure. We offer sonic welding services to fuse separately molded plastic parts using state-of-the-art ultrasonic bonding equipment. We also work with a number of specialty adhesives, including UV light-activated bonding agents, to connect two or more custom plastic injection molded parts. Our pad printing services can add company logos, instructional graphics, or any design you need to the surface of your injection molded plastic parts.

We perform many of our assembly services in a HEPA-level filtered assembly room. Working in this more controlled, cleaner environment ensures the highest quality of our in-house assembly processes. This results in the best finished products possible for our customers.

Stack Plastics offers these pad printing, sonic welding, and other assembly services and many more value-added secondary operations to give our custom plastic injection molded parts an extra level of quality. Contact us today to put our assembly processes and other unique services to work on your next project.