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1、3 D PRINTINGGuangxi UniversityApr.1 8 th,2 0 1 7 What is 3D printing?3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file.I t i s a r a p i d p r o t o t y p i n g technology,based on the digital model file, using powdery metal , plastic an
2、d other adhesive materials, through the layers of the way to build objects to the technology. How does 3 D printing work? Three elementsdigital file 3 D printermaterial metal Nylon glass fiber PLAResin rubberPhotosensitive resin Three elementsdigital file 3 D printermaterial 3 D printing mainstream
3、technologyFDM（Fused Deposition Modeling）SLA（Stereolithigraphy Apparatus）3DP（Three Dimensional Printing and Gluing）SLS (Selecting Laser Sintering) FDM（Fused Deposition Modeling）熔融沉積快速成型By melting the filamentous material，those molten material will melt and squirt out from the nozzle.It will be deposi
4、ted in the production panel or a layer of solidified material.When the temperature was lower than the curing temperature,It will began to cure, and form the final product through stacking materials layer by layer.Advantages： Simple structure Easy to design Low manufacturing costsMain materi l： ABS P
5、LA Composite SLA（Stereolithigraphy Apparatus）光固化成型SLA is the earliest developed rapid prototyping technology, and also is one of the most in-depth,mature and widely used rapid prototyping technology.The main materials of SLA is photosensitive resin.It through ultraviolet light or other light source
6、solidification molding, layer by layer curing, get the final product ultimately. 3DP（Three Dimensional Printing and Gluing） 三維粉末粘接3 DP working principle:Firstly paving a layer of powder, and then using the nozzle to spray the adhesive in the need to shape the area, so that the material powder bonded
7、 together and form of cross-section.Advantages： forming fast the product is rich in colorMain material： ceramic powder metal powder plastic powder SLS (Selecting Laser Sintering)選擇性激光燒結The powder material is sintered under laser irradiation and is piled up by a computer control.But the overall technical is very difficulty and the manufacturing and maintenance costs are very high. Thanks for listening
3D Printing 3D打印英文介紹PPT012
