Additive Manufacturing Binder Removal From Binder Jet Printed Parts
Rapid Post Process For Additive Manufacturing Binder Removal
Debinding feedstock extrusion and binder-jetting 3D-printed parts are important steps in parts post-processing. Typically, the binder is removed to a level that creates porosity, providing paths for the remaining binder to burn off during sintering. The VCN Process is a fast, environmentally safe, cost-effective way to remove binder. The EPA allows chlorinated and other NESHAP solvents in our VCN systems due to the low emissions recorded in our systems over the last 25 years.
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This video shows a 3D binder being removed using the VCN process. The removal, which generally requires 5-10% to be effective for successful sintering, is 60% within 30 minutes. The cycle would be less than 5 minutes if less than 10% were removed. The part is only exposed to gentle vapor growth and does not damage the most delicate part.