MJF
Multijet Fusion (MJF)
3D printing MJF, or Multi Jet Fusion, is a powder bed 3D printing technology developed by HP.
⚙️ Operating principle
The MJF technology binds the agent and powder in a manner similar to the binder jetting process. But unlike a point-by-point laser system, MJF was designed to selectively distribute detailing and fusing agents across the entire bed. Thus, these layers are fused together using what is known as infrared light; the result is a higher speed combined with higher accuracy compared to older stereolithography (SLS).
Pros & Cons
✅ Advantages
- Fast print speed
- High-volume production cycles
- Precise impression for fine details
- Low individual printing cost
- Design freedom as no support is necessary
- Less waste thanks to powder recycling
- Possibility of colouring parts in post-processing
- High-quality surface finish
- Constant mechanical properties...
⚠️ Limits
- All proprietary materials
- It's impossible to produce certain curved or hollow geometries
- The final product is grey and contains no colouring agents
🎯 Typical Applications
Functional prototypes
Small pre-series
Inspection or assembly jigs
Robot grippers
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