Based on the principle of high-performance continuous gradient alloy near-net-forming technology, SANDI Technology has developed and launched the selective laser melting gradient metal printing equipment AFS-M120X and AFS-M120XT, in which AFS-M120X can realize the continuous gradient change of two (or more) powder materials along the X-axis direction, and keep the same in the Y-axis and Z-axis direction, and obtain the continuous and dense metal gradient material by selective fusion through laser, and can also realize the customized ratio change manufacturing by changing the powder storage mechanism. AFS-M120XT can realize precise control of material gradient in horizontal/vertical direction, with vertical multi-layer gradient supply/layer system to complete the alternating laying of dissimilar powders, and can realize multi-dimensional additive manufacturing of gradient materials of more than three elements.

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This series of equipment is suitable for the research and development of the properties of composite metal materials. The powder supply system can realize the continuous gradient accurate powder supply of two and more kinds of metal materials; with horizontal/vertical gradient change direction, which reduces the process complexity, saves powder raw materials and improves the research and development efficiency; it can realize the gradient change of two kinds of materials in the horizontal direction, and prepare two-phase full proportion change gradient materials; with high molding precision, it can macroscopically mark the gradient proportion on the manufacturing materials; it can realize the customized proportion change manufacturing by changing the powder storage mechanism. Realization of customized ratio change gradient alloy manufacturing.

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Compared with the international mainstream gradient material preparation process "coaxial powder feeding laser melting technology", SLM selective laser melting gradient metal printing process not only has high molding accuracy, can prepare parts with complex shapes, but also has the ability to realize continuous gradient material and three-dimensional gradient controllable change, is the additive manufacturing technology, composite material processing field, the frontier direction. Additive manufacturing technology, composite material processing field of the frontier direction. According to the characteristics of continuous gradient materials, it can be widely used in aerospace, vehicles, energy, material composition development and genetic composition of materials in higher research institutions and other fields.

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Horizontal/vertical gradient function

• Particularly suitable for research and development of the properties of composite metallic materials.
• The powder supply system can realize the continuous gradient accurate powder supply of two or more kinds of metal materials.
• With horizontal/vertical gradient change direction, it reduces process complexity, saves powder raw materials and improves R&D efficiency.
• Gradient change of two materials in the horizontal direction can be realized, and two-phase full-scale change of gradient materials can be prepared.
• High molding accuracy, macroscopic marking of gradient proportions in the material of manufacture.
• Gradient alloy manufacturing with customized ratio changes can be achieved by changing the powder storage mechanism.