Finishing & Assembly

Many customers have come to rely on Proto Plastics for more than just plastic injection molding. Our secondary operations department offers a number of value added services that can simplify and streamline your production schedule.

Component sourcing — We purchase and inventory hundreds of standard and customized component parts from more than 100 qualified suppliers. These are used to meet customer assembly requirements.
Sonic welding — Ten Branson sonic welders are employed for jobs such as hermetic plastic-to-plastic joints, installation of windows and lenses into housings, and insertion of mechanical fasteners, studs, and threaded inserts into plastic injection molded parts.
Secondary machining — Activities include CNC machining, milling, turning, grinding, drilling and tapping.
Pad printing — Two Teca Print machines are used for dozens of color graphic applications in one, two or three colors. We have an in-house cliche maker, and can prepare a new graphic image for printing within 24 hours.

Assembly — Our Finished Assemblies Include Items Such As:

Touch panels
Covers with windows
Wire harnesses
Battery packs
Housings with hinges and fasteners
Mechanical clamp assemblies
Ink Tanks, and manifolds
Encapsulated filters

Our Skilled Secondary Operations People Can Perform Many Activities:

Mechanical fastening
Soldering
Bonding
Leak testing
Cleaning
Labeling
Kitting
Bar coding
Packaging

As many of our customers have discovered, Proto Plastics has the people, equipment and experience to be a true one-stop shop for your plastic design and manufacturing needs.

Pad Printing Video

Custom Plastic Injection Molding

Pad Printing Machine

Prototype Manufacturing

Plastic Part Design