This case study highlights the efficient mass production of complex mechanical couplings using Industrial SLA 3D printing. By utilizing high-precision Black and White resins, the project overcame the limitations of traditional manufacturing for intricate internal geometries. The solution delivered high-dimensional accuracy, superior surface finishes, and significant cost savings by eliminating tooling, proving ideal for bridge manufacturing and functional testing.
Challenge:
A client required the mass production of small, cube-shaped mechanical couplings with intricate internal spline geometries. Traditional injection molding was cost-prohibitive due to high tooling costs for this batch size, while standard FDM printing could not achieve the necessary dimensional precision or smooth surface finish for the internal teeth.
Solution:
We utilized Industrial SLA (Stereolithography) technology to print these components in high-performance resin.
· Material Versatility: We produced batches in both Matte Black Resin (for UV resistance and aesthetic contrast) and Standard White Resin (for high detail visibility).
· Precision Engineering: The additive process allowed for the creation of complex internal splines without support structures inside the holes, ensuring perfect fitment.
· Scalability: By optimizing the build platform density, we achieved a rapid turnaround for large quantities, bridging the gap between prototyping and mass production.
Results:
· High Precision: Achieved tight tolerances (±0.1mm) essential for the coupling mechanism to function smoothly.
· Superior Surface Finish: The parts emerged with a smooth, matte texture, requiring minimal post-processing.
· Cost Efficiency: Eliminated mold costs entirely, reducing the total project budget by 40% compared to low-volume injection molding.
3D printing and CNC on the same quote. Open a process, then upload CAD.
Precision Machining Services use high-precision CNC machine tools and related equipment to cut, form, and finish metals, plastics, and other materials at micrometer-level accuracy — meeting stringent requirements for dim…
Create a quote
Stereolithography (SLA) cures liquid photopolymer with a precision UV laser, building parts layer by layer.
Create a quote
Digital Light Processing (DLP) solidifies an entire layer of photopolymer at once using a projected image.
Create a quote
Fused Deposition Modeling (FDM) extrudes heated thermoplastic filament in thin beads, stacking layers to form a part.
Create a quoteResins, nylons, metals, and more. Each card jumps to the catalog row.
Process, finish, and file notes from the shop — not a marketing blog.
Company, payment, shipping, and process answers by topic.
Review AIH commitments to print quality, secure handling of your files, transparent pricing, and support for every 3D printing order.
Recommended answers about AIHFABS, technologies, materials, pricing, privacy, and file preparation.
This case study illustrates the critical role of Design for Additive Manufacturing (DFAM) in SLS 3D printing. Faced with a large-scale nylon frame featuring sub-optimal wall thickness (<1.5mm), our team worked closely with the client through multiple design iterations. By reinforcing critical structures and optimizing geometry for the SLS process, we successfully delivered a durable, warp-free industrial component. This project highlights how expert engineering support can bridge the gap between
This case study demonstrates the large-scale application of Selective Laser Melting (SLM) technology for producing complex cross-shaped metal connectors. The project utilizes both Aluminum 6061 and Stainless Steel 316L as printing materials. Through advanced post-processing techniques, including precision polishing and black anodizing, the solution successfully overcomes the geometric and surface finish bottlenecks of traditional CNC machining. The result is a highly efficient, high-volume produ
This case study highlights the successful application of Direct Metal Laser Sintering (DMLS) for manufacturing complex humanoid robot joint modules. Overcoming traditional manufacturing bottlenecks like structural limits, high tooling costs, and long lead times, the team utilized topology-optimized aluminum alloy printing. This approach consolidated multi-part assemblies into single components, achieving a 28% weight reduction and a 70% shorter delivery cycle. Furthermore, comprehensive costs dr
A high-performance automotive engineering firm required a small-batch production run of exhaust manifolds for a limited-edition track vehicle. The design demanded significant weight reduction to improve vehicle dynamics, but traditional casting was economically unviable for low volumes. Additionally, the complex internal geometry needed for thermal management could not be achieved through conventional manufacturing without expensive assembly and welding.
We use cookies to personalize your experience. By using this site, you agree to our Privacy Policy
Accept
