Industrial Additive Manufacturing
PC 3D Printing (Polycarbonate) for Functional Industrial Parts
PC 3D printing typically refers to making parts in polycarbonate (PC) using FDM/FFF. PC is commonly selected for functional prototypes, fixtures, and mechanical components where higher strength and temperature resistance are needed compared with many general-purpose plastics.
RapidPrintParts produces industrial polymer parts in Shenzhen, China, with in-house FDM/FFF, SLA, SLS, and MJF. PC is a confirmed in-house FDM/FFF material.
When PC 3D Printing Makes Sense
PC is often a good fit when your part is expected to be used, not just evaluated visually. Typical use cases include:
- Functional prototypes for engineering validation
- Jigs, fixtures, and assembly aids that see repeated handling
- Brackets, housings, guards, and equipment parts
- Replacement parts where tooling is not available or not justified
- Bridge-production components before tooling
Process and Material Selection
Process and material selection should be based on real operating requirements such as load, temperature, tolerance, finish, quantity, and lead time.
RapidPrintParts evaluates these inputs before recommending a process. Guaranteed tolerance requires engineering review.
RapidPrintParts Process Fit for PC
Compare in-house polymer processes to determine the best technical fit for your application.
FDM/FFF (In-house)
Material availability: PC is listed among RapidPrintParts’ typical FDM/FFF materials.
Best-fit uses: fixtures, larger structures, and equipment parts.
Typical tolerance reference:
±0.2 mm or ±0.3%
Guaranteed tolerance requires engineering review
Typical FDM build envelope:
up to approximately 1,000 × 600 × 600 mm
SLA (Engineering Resins)
Best-fit uses: high-detail prototypes and fit/appearance validation.
Typical tolerance reference:
±0.1 mm or ±0.2%
Consider when PC FDM is not suitable for fine detail or surface-critical features.
SLS / MJF (Nylon)
Materials: PA11/PA12/TPU, and PA12 GF on MJF.
Best-fit uses: durable nylon parts and low-volume production.
Typical tolerance references:
SLS ±0.3 mm or ±0.3%
MJF ±0.2 mm or ±0.3%
Selection should be confirmed through engineering review based on the part’s environment and performance requirements.
Key Selection Factors for PC FDM Parts
Define your requirements clearly to determine if PC is the right material choice.
Performance and Environment Inputs
To determine if PC is appropriate, define:
- • Service loads (static vs. repeated)
- • Operating temperature
- • Exposure environment (chemicals, oils, etc., if applicable)
- • Critical dimensions and tolerances
- • Assembly interfaces (fasteners, inserts, mating parts)
RapidPrintParts evaluates these inputs before recommending a process.
Geometry and Printability Considerations
PC FDM parts are sensitive to design choices that affect stability and accuracy, including:
- • Large flat surfaces and long spans
- • Thin walls vs. stiffness needs
- • Hole features, threads, and mating faces
If a dimension is critical, plan for engineering review and consider whether secondary machining is needed.
Post-Processing Options (As-Needed)
Post-processing and functional finishing may include:
Limitations to Plan Around
-
Tolerance capability varies by geometry and build orientation. Use the typical tolerance references as guidance; guaranteed tolerance requires engineering review.
-
Surface finish is process-dependent. FDM typically shows layer texture; finishing may be required for sealing surfaces or precise interfaces.
-
Design intent matters. Parts intended for fixtures, brackets, housings, and equipment use can be good candidates, but the final recommendation depends on load, temperature, and interfaces.
Post-processing choices should be tied to the functional requirement (fit, surface interaction, assembly method) rather than aesthetics alone.
What to Provide for an Engineering Review (Fast Qualification)
For PC 3D printing (or an alternate process recommendation), prepare:
What the part is used for and its operating environment
Required quantity and whether it’s repeat demand
Material requirement (PC preference and why)
Critical dimensions/tolerances (2D drawing if available)
Load and temperature requirements
Finish and post-processing needs
Target lead time or milestone
STEP/STP file (plus NDA requirements if needed)
Engineering-Review CTA
If you’re considering PC 3D printing for a functional part, share your application, quantity, critical tolerances, and STEP/STP + drawing. RapidPrintParts can review the requirements and confirm whether PC FDM/FFF is the best fit or whether SLA, SLS, or MJF would better match the performance and dimensional needs.
Contact RapidPrintParts
Get in Touch
We are here to answer your questions about industrial additive manufacturing and functional 3D printed parts. Reach out to us through the following methods:
Email: [email protected]
Address: No. 17-1, Guanlan Avenue, Longhua District, Shenzhen, Guangdong Province, Shenzhen 3D Printing Industrial Park