Case Studies

Real projects, real results — see how we solve manufacturing challenges

Every project comes with its own set of requirements, constraints and opportunities. These case studies show how R&D Plastics works with customers to turn complex design and production challenges into precision-molded parts that perform. From engineering-driven design revisions to multi-process assemblies, each one reflects the collaborative, problem-solving approach our customers count on.

Two black, textured plastic handles are shown side by side on a light gray background. Each handle has a slight curve, finger grooves, and a hole at one end, likely for attaching to a tool or equipment.

OVERMOLDING & SONIC WELDING

A customer in the recreational products industry needed a fillet knife handle that combined attractive aesthetics, strong ergonomics and reliable performance — all at an economical price point

A blue plastic tool with a wide, flat circular top, a ridged middle section, and a narrow tapered end, set against a light background.

DOUBLE-LEAD HELIX

A customer in the medical industry needed a double-lead helix component for adjusting compression bands.

A black, circular plastic component with multiple angled blades evenly spaced around its perimeter, resembling a turbine or fan part, set against a light gray background.

SPINNING ROTOR

A customer in the waste management industry brought R&D Plastics a spinning rotor design that was functional for its intended purpose but presented opportunities for improvement in tooling and the injection molding process.

A rectangular metallic object with rounded edges and multiple parallel slits on one side, resembling a vent or a grill, against a light gray background.

DISK DRIVE HOUSING

A customer in the computer industry needed a PC/ABS housing to enclose disk drives.

A black, circular plastic object with six evenly spaced vertical rectangular fins attached to an open ring structure, displayed on a light gray background.

NYLON SPACE HEATER BLOWER

A custom nylon blower designed to circulate warm air in a space heater required precise flatness, rotational balance and dimensional tolerances for proper performance.

Two blue plastic rectangular components, one opened to reveal internal metal rollers and black brackets, both parts featuring ribbed surfaces and rounded corners.

FILTER UNIT DECORATION & ASSEMBLY

A customer needed a finished filter unit — not just molded parts.

THE CUSTOMER EXPERIENCE IS EVERYTHING.

“R&D Plastics has consistently demonstrated exceptional manufacturing capabilities, tight tolerance control, and dependable lead times. Their plastic injection molding expertise has helped us maintain consistent product quality. We value the partnership and highly recommend their services.”

— Jesse Lockwood, President, Lockwood Products