CIXIN MACHINERY TECHNOLOGY
3D Printed Lightweight Lattice Structural Bracket
Carbon fiber reinforced nylon 3D printed support bracket with generative lattice topology optimization design. It achieves obvious weight reduction while retaining high mechanical strength, perfectly replacing heavy solid metal brackets for equipment load-bearing trial production.
- Manufacturing Method: Selective Laser Sintering (SLS) 3D Printing
- Material: Black carbon fiber filled PA nylon
- Lead Time: 4 working days
- Tolerance: ±0.10mm
- Post-treatment: Media blasting, deburring
- Structure Feature: Generative hollow lattice frame, multi-mounting hole base, integrated shaft sleeve boss
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- Description
- Specification
- Application
- FAQS
This load-bearing bracket adopts generative design lattice structure to cut down redundant material compared with traditional solid machined parts. Multiple fixing holes on the bottom flange and integrated thickened shaft sleeve boss meet assembly and rotating connection needs. Conventional CNC machining cannot process the intricate internal hollow lattice cavities, and casting would involve long mold opening cycles with high modification costs.
We use SLS carbon fiber nylon 3D printing for one-step integral forming without support structures inside complex lattices. The carbon fiber reinforced nylon substrate delivers high tensile strength and impact resistance, suitable for dynamic load working conditions. Post-process blasting removes surface sintering particles and sharp burrs to smooth mating surfaces. Dimensional inspection verifies hole position accuracy and boss concentricity to guarantee bolt and shaft assembly fit. Design iterations only require updating CAD files for reprinting, no extra tooling expense for prototype optimization.
| Item | Specification |
|---|---|
| Print Technology | SLS Selective Laser Sintering |
| Raw Material | Carbon fiber reinforced PA nylon (black) |
| Dimensional Tolerance | ±0.10 mm |
| Minimum Lattice Strut Thickness | 1.2 mm |
| Delivery Cycle | 4 working days after drawing confirmation |
| Available Post Finish | Blasting, primer painting, CNC precision reaming for mounting holes |
| Weight Reduction Rate | Up to 40% vs solid machined aluminum counterpart |
Automotive test fixture brackets, robotic arm auxiliary supports, aerospace prototype structural parts, machinery equipment lightweight load-bearing frames, drone mounting supports
Q1: Is carbon fiber nylon bracket strong enough to replace metal brackets?
It matches the strength of ordinary aluminum alloy for medium-load scenarios; for heavy load, we can adjust lattice density or switch to aluminum metal 3D printing.
Q2: Will the thin lattice struts crack under vibration?
Carbon fiber filled nylon has good fatigue resistance. We optimize strut thickness and fillet transition in the generative model to eliminate stress concentration points.
Q3: Can mounting holes be precision sized for interference fit bolts?
Yes, we can reserve small machining allowance for critical holes, then perform secondary CNC reaming after printing to reach tighter tolerance.
Q4: Can I change the lattice shape or wall thickness quickly for testing?
No mold or fixture needed. Revised generative design files can be printed and delivered within 3–4 days for performance comparison tests.
Q5: Does SLS printing leave visible layer lines on lattice surfaces?
Media blasting post-treatment removes surface grain texture, delivering uniform matte black finish for both solid bosses and delicate lattice frames.
Q6: Is mass production feasible with this SLS process?
SLS fits prototype and small-batch runs (hundreds of pieces). For mass production over thousands of units, injection molding or die casting is more cost-effective long-term.
