Material Introduction
Metal Additive Manufacturing
Material Introduction
Additive manufacturing is a manufacturing technology that accumulates special materials layer by layer based on digital model files. This is carried out by means of extrusion, sintering, melting, light curing, and spraying, using software and numerical control systems to manufacture solid parts.
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Additive manufacturing process |
Definitions |
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Laser powder bed fusion |
Additive manufacturing process using laser selective melting of powder bed regions |
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Adhesive spray |
Selective spray deposition liquid adhesive bonded powder material additive manufacturing process |
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Material extrusion |
Additive manufacturing process of extruding materials through nozzles or orifices |
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Laser powder bed fusion |
Adhesive spray |
Material extrusion |
Specifications and Performance
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Additive |
Powder bed |
Adhesive spray |
Material extrusion |
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Speed/cm3·h-1 |
100 |
800 |
600 |
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Minimum feature size/μm |
80 |
150 |
300 |
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Multiple components |
Customization |
Customization |
Customization |
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Post-processing |
Heat Treatment |
Degreasing and sintering |
Degreasing and sintering |
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Density |
≈Precision casting |
≈ Powder sintering |
≈ Powder sintering |
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Maximum molding size, mm/mm |
250x250x300 |
450x450x500 |
500x500x600 |
Fabrication Process
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1）Digital model design |
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Combines the usage requirements with additive manufacturing process characteristics to optimize digital models |
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2）Prototype verification |
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Prototype verification is carried out to test the applicability of the process and its application. |
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3）Batch production |
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Optimized design for batch production of parts |
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4） Post-processing |
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Further processing based on usage requirements and additive manufacturing processes (degreasing, sintering, hot isostatic pressing, etc.) |
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5）Quality control |
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100% quality control based on application requirements. |
Advantage
Rapid flexible prototyping without molds, great freedom in product design.
The manufacturing cycle is short, with low production costs for small batch parts.
Near net shape, small machining allowance and high material utilization.
Processed parts have higher structural strength and less processing stress concentration.
Used to make traditional hard-to-process materials (active metals, refractory metals and ceramics, etc.).
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