Guangzhou Metalstar Prototype Co., Ltd.
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6061 Aluminum 3D Printing:
6061 aluminum is a widely used alloy for metal additive manufacturing due to its combination of strength, corrosion resistance, and machinability.
The most common 3D printing processes for 6061 are powder bed fusion techniques like selective laser melting (SLM) and electron beam melting (EBM).
These processes build up the 3D part layer-by-layer by selectively fusing aluminum powder using a high-energy heat source (laser or electron beam).
Parts fabricated through SLM or EBM typically exhibit mechanical properties comparable to wrought 6061, with tensile strengths around 310 MPa in the as-printed condition.
Printing Accuracy:
The general achievable printing accuracy for 3D printed 6061 aluminum parts is in the range of ±0.05 mm to ±0.2 mm.
This level of dimensional accuracy is possible using state-of-the-art SLM or EBM 3D printing systems with tight control over process parameters.
Factors Affecting Accuracy:
Powder particle size and distribution - Finer powder particles (10-45 μm) enable higher printing resolution.
Layer thickness - Thinner layers (typically 20-100 μm) result in better part accuracy.
Laser/electron beam power and scan speed - Higher power and faster scan speeds can improve feature definition.
Part orientation - Carefully orienting the part in the build chamber can minimize distortion and improve accuracy.
Post-processing - Heat treatments, HIPing, and CNC machining can further refine the part dimensions.
In general, the best printing accuracy for 6061 aluminum parts using powder bed fusion 3D printing is around ±0.05 mm to ±0.2 mm. This level of precision allows for the fabrication of intricate, high-tolerance components in industries like aerospace, medical, and industrial tooling.
Contact us for more information about our 3D metal printing capacity or raw material selection options.