DPrintingD打印英文介绍学习教案

1、会计学1DPrintingD打印英文介绍打印英文介绍第一页，编辑于星期六：六点 三十一分。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 and ot

2、her adhesive materials, through the layers of the way to build objects to the technology.第1页/共12页第二页，编辑于星期六：六点 三十一分。How does 3D printing work?第2页/共12页第三页，编辑于星期六：六点 三十一分。Three elementsdigital file3D printermaterial第3页/共12页第四页，编辑于星期六：六点 三十一分。metalNylon glass fiberPLAResinrubberPhotosensitive resin第4页/

3、共12页第五页，编辑于星期六：六点 三十一分。Three elementsdigital file3D printermaterial第5页/共12页第六页，编辑于星期六：六点 三十一分。 3D printing mainstream technologyFDM（Fused Deposition Modeling）SLA（Stereolithigraphy Apparatus）3DP（Three Dimensional Printing and Gluing）SLS (Selecting Laser Sintering)第6页/共12页第七页，编辑于星期六：六点 三十一分。FDM（Fused

4、Deposition Modeling）熔融沉积快速成型熔融沉积快速成型By melting the filamentous material，those molten material will melt and squirt out from the nozzle.It will be deposited 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

5、form the final product through stacking materials layer by layer.Advantages： Simple structure Easy to design Low manufacturing costsMain material： ABS PLA Composite第7页/共12页第八页，编辑于星期六：六点 三十一分。SLA（Stereolithigraphy Apparatus）光固化成型光固化成型SLA is the earliest developed rapid prototyping technology, and als

6、o 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 solidification molding, layer by layer curing, get the final product ultimately.第8页/共12页第九页，编辑于星期六：六点 三十一分。3DP（Three

7、Dimensional Printing and Gluing） 三维粉末粘接三维粉末粘接3DP 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 together and form of cross-section.Advantages： forming fast the product is rich in colorMain material： ceramic powder metal powder plastic powder第9页/共12页第十页，编辑于星期六：六点 三十一分。SLS (Selecting Laser Sintering)选择性激光烧结选择性激光烧结The powder material is sintered under laser irradiation and is piled up by a computer control.But the overall technical is very dif