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For any FDM application, bead blasting with plastic media is an ideal solution. Inexpensive and quick, your model, part, pattern or tool can have a great surface finish without sandpaper, fillers or solvents.
While sanding a rapid prototype can take hours, bead blasting an FDM part takes only a few minutes. This simple process also preserves a part’s quality since it will not distort it or change its dimensional accuracy.
Plastic blast media (PMB) is a recycled material made of finely reground thermoplastics. This media lasts longer than glass bead, and it is available with abrasiveness that ranges from mild to harsh. PMB costs U.S. $110.00 per 50-pound (22.7 kg) bag.
After removing support structures, apply masking tape to areas of the model where a bead blasted surface is undesirable. Masked areas may include parting surfaces of tools or sharp, outside corners that could be rounded by bead blasting.
Holding the spray gun at a 60-degree angle from the part, lightly bead blast all surfaces. Do not dwell in one area. Instead, use a continuous sweeping motion similar to that for spray painting. To avoid damaging the part, use several light passes of the bead blaster rather than one aggressive pass. After bead blasting the part, inspect it and repeat as necessary. When complete, rinse the part. The FDM part is now ready for use as a functional prototype, pattern or tool.
Enhance the aesthetic appeal, strength, and durability of your product.
Objective3D is a leading provider of Additive Manufacturing (AM) solutions in Australia and New Zealand. They offer a range technology solution for thermoplastic and photopolymer from Stratasys, ceramics from Lithoz, as well as Artec 3D Scanners and Materialise AM Software. Supported by the Stratasys Direct Manufacturing Global Network, Objective3D also offers manufacturing on-demand services and is ISO 9001 certified.
Contact Us
Head Office: 33-35 Yazaki Way, Carrum Downs, VIC 3201, Australia
AU Phone: +613 9785 2333
NZ Phone: +649 801 0380
Email: [email protected]
