Additive Manufacturing Binder Removal From Binder Jet Printed Parts
Rapid Post Process For Additive Manufacturing Binder Removal
Debinding of feedstock extrusion and binder-jetting 3D-printed components constitutes critical stages in post-processing. Typically, the binder is removed to a porosity-inducing degree, enabling pathways for residual binder volatilization during sintering. The VCN Process offers a rapid, environmentally friendly, and cost-efficient method for binder removal. The EPA permits the use of chlorinated and other NESHAP-compliant solvents in our VCN (Vacuum Cycling Nucleation) systems, attributable to the minimal emissions observed over the past 25 years.
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This demonstration depicts the removal of a 3D binder via the Vacuum Cycling Nucleation (VCN) technique. The process typically necessitates a 5-10% binder elimination to achieve effective sintering, with 60% removal accomplished within 30 minutes. If less than 10% of the binder is removed, the cycle duration would be reduced to under 5 minutes. The component is subjected solely to mild vapor-assisted growth conditions, ensuring no damage to the most sensitive regions.