Case Study: Ski Boot Binding

Process: Metal Injection Molding

Material: MIM-6505

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End Use and Function

This award-winning component is used for right- and left-handed ski boot bindings. Manufacturing this component is a challenge due to the thick cross section throughout the length containing a varying contour that includes holes at one end. The component is also required to possess corrosion resistance properties because it is constantly exposed to a wet environment (snow).


A 2019 Grand-Prize Winner in the Hand Tools/Recreation category



Previously a casted component that involved multiple secondary operations to achieve dimensionality, the metal injection molding (MIM) process is a superior metal-forming process for manufacturing this product. The parts are made from MIM-6505 that is zinc-blue passivated for corrosion resistance. The tool design includes two slides from each side to make the twin-hole profile and a slide that functions extremely near the gate. Reaming and sizing are used to remove distortions from the sintering operation and to achieve the tight tolerance on the holes (4.1 +0.05 mm [0.16 + 0.002 inch] and 5.05 +0.05 mm [0.20 + 0.002 inch]).



Produced at a high volume (100k annually), this component is produced with reliable part-to-part uniformity and consistency. Using MIM resulted in little to no waste vs. casting and machining, and MIM is also significantly more cost effective than casting.

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