Display Part Finishing Solutions-
Mass Finishing 

Improve the surface of your FDM models or prototypes by creating a glossy finish through the process of mass finishing.  

 

   

 

3D Printing - Display Part Finishing Solutions - Mass Finishing  

Mass finishing is a process used to improve the surfaces of 3D printed materials through the printing of FDM (Fused Deposition Modeling) technology. Mass finishing adds a polished and glossy look to your FDM parts and can scrape away layer marks in a sanding process called "cutting". To achieve the polishing and cutting processes we must employ a two-step process. Mass finishing is a process ideal for parts such as models representing injection molded parts, housings, vents and duct work or master patterns. 

How it works 

Examining an FDM part up close, you’ll see that the outer toolpaths have a slight bulge of about 0.002 inches from the layer deposition process. Mass finishing works by smoothing material from the outside surface of the part, removing 0.0015 to 0.003 inches from the surface. 

The following mass finishing media have been developed by Stratasys and are available in our manufacturing facility: ceramic, synthetic, plastic and corn cob. With the exception of corn cob, media comes in many sizes and shapes. 

Ceramic is the heaviest and most aggressive media and best suited for the most robust FDM materials: PC, ULTEM and PPSF. Ceramic media is available in many shapes and sizes for cutting and/or polishing, depending on your desired finish. Ceramic polishing media can achieve a glossy surface on all FDM materials.
Synthetic Media, mainly used for cutting, works well with M-30 and PC-ABS. Because it’s lighter than plastic or ceramic, cycle times may increase. The lighter the media, the lower the risk of damaging the part. If the weight of a ceramic or plastic media alone in a tub or bowl might break thin part walls or fine features as the part flows through the media, synthetic may be a good alternative.
Plastic is best suited for M-30 and PC-ABS, but in most cases will work for PC as well. This media is less aggressive because it weighs less than ceramic and is softer. Mainly used for cutting, plastic comes in many shapes and sizes.
Corn Cob, mainly used for polishing, can also be combined with compounds for cutting and improved polishing. Stratasys testing on this media is still preliminary; M-30 may be the only material for which corn cob is a suitable cutting media. Corn cob should be used as a final polish after a wet polish is complete. Corn cob may cause some discoloration, which is easily washed away. 


The Proto3000 Advantage

Create highly precise FDM parts or functional prototypes with our lineup of Stratasys Production 3D Printers. The Proto3000 manufacturing facility is equipped for mass finishing processes. Call the Proto3000 Services Team NOW for your display part finishing projects. 
Contact us for further information on how we can help you with this solution. If you want to speak to a LIVE PERSON - CALL 1-888-88-PROTO (77686). 

 

The Technology Used for Our Display Part Finishing Solutions   

Fused Deposition Modeling (FDM) Technology 

Using FDM technology allows affordability and durability by printing concept models with production-grade thermoplastics. 
FDM 3D Printers are office friendly and they produce small models in hours and large models in days. The FDM printed models can be drilled, sanded and painted according to your preference to create a perfect finishing of your prototype. 

     

PolyJet 3D Printing Technology

As a 3D printing process, this technology produces amazingly realistic models. The printing technology builds accurate models by incorporating multiple materials into one automated part to create prototypes that look and feel like finished products. With fine details, smooth surfaces, rigid housings, soft-touch buttons, lettering, rubberlike seals and even clear components, your models can look the part at a trade show, a presentation or even during a sales pitch. 

 

 

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