3Diligent's Metal Injection Molding Service provides customers a cost-effective avenue for pursuing large production runs. A major difference between this process and other injection molding methods is the post processing steps that take place to create a finished metal part.
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Metal injection molding starts with the fine, powdered metal. These particles are filtered into a barrel cavity, along with a binder agent, that rotates and mixes the two agents into an inject-able consistency. The rotating rod quickly jams forward, inserting the mixture into the negative space of the workpiece. Air escapes the workpiece's negative space through microscopic holes, allowing the metal filament to fully fill the cavity without exiting the workpiece like the air did.
After the parts are compressed and ejected from the cavity, they must go through post processing; often a de-binding step to remove the binder agent and a sintering step to solidify the metal part for end use.
Stainless steel, carbon steel, tungsten alloys
~ +/-.003" (.080 mm)
Per tooling quantity exceeds 10,000/year