heat sink 3

Project Details

Application: Heat sink

Customer: Large outdoor consumer products supplier

Timeline: 8 weeks (from receipt of tool to first article submission, which included substantial work done on the tool for maintenance and adding cavity pressure transducers for process control)

Heat sink case study cover

The Objective

Successfully manufacture PPS plastic components to eliminate testing through high levels of process control.

The Challenge

A large outdoor consumer products supplier had difficulty injection molding, in-house, a highlyfilled thermally conductive PPS. Parts were being 100% manually leak tested prior to assembly, adding additional time and cost to production processes at low levels of product reliability.

The customer was seeking a PPS injection molding solution that would not only eliminate ongoing 100% leak testing but also supply ongoing processes with higher levels of product reliability.

Knowing PPS is a very difficult material to process, the customer asked Allegheny Performance Plastics to manufacture PPS plastic components. We eagerly accepted the challenge, knowing we could apply our experience with highperformance polymers, implement process controls utilizing scientific molding and ultimately eliminate additional leak testing.

The Solution

We proposed a plan to transfer the tools in a fashion that would not jeopardize continued supply. After we submitted our proposal, the customer’s engineering, quality and purchasing team visited our facility and were very impressed with our process control technology.

As pioneers in creating polymer components, part of our high-performance plastic testing and analysis capabilities include the use of RJG sensors. These sensors allow a machine to make adjustments within a certain range. The RJG eDART® process control system is the most powerful process control system for plastic component applications and is essential to ensuring high-quality parts are produced cost-effectively.

We put together a full proposal, which included our tooling manager and engineering manager visiting the customer’s site to gather as much information as possible about the tooling and the problems with their molding processes, to minimize the timeline and further prevent supply risk. We also proposed to bring the leak testing in-house and do it for them temporarily with the goal of not having to 100% test the components in the future.