Paul Steck

ROMP-DCPD or polyurethane: which RIM material fits your part?

At What Volume Does RIM Make More Sense Than Injection Molding?

If you are running between 100 and 5,000 parts a year, reaction injection molding almost always...

What's the Largest Part You Can Mold With RIM?

There is no size ceiling written into RIM chemistry. The limit is equipment, and it is a much...

How Hot Can a RIM Part Get Before It Deforms?

It depends on which RIM material you are asking about, and on how much load the part carries while...

What Do You Need to Quote a RIM Part?

Four things get you a budgetary number: a sketch, approximate dimensions, an annual quantity, and...

Medical Device Enclosures: Design, Materials, and Manufacturing

Medical device enclosures carry a heavier specification load than almost any other housing: they...

Custom Plastic Enclosures: How to Specify Beyond Off-the-Shelf

Most searches for custom plastic enclosures end in one of two dead ends: an off-the-shelf box that...

Low Volume Injection Molding: When It Works and When RIM Wins

Engineering teams searching for low volume injection molding usually have the same problem. They...

How to Manufacture Large Plastic Parts Without Massive Tooling

Large plastic parts break the standard injection molding playbook. Press tonnage scales with...

The Material Science Behind 260% Stronger Ballistic Protection

When ballistic material suppliers claim performance improvements, engineers rightfully demand...

Why Does RIM Beat Sheet Metal and Injection Molding for Large Enclosures?

Large enclosures put engineers in a bind. The part is too big and too low-volume to justify an ...

How Do You Design Bosses, Inserts, and Fastening Points Into RIM Parts?

A molded part is only as good as the way it goes together with everything around it. Engineers who...