3D打印技术英文版课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Depth of the magic of the magic 3D printer,Student:Joey_Zhang,Student Number:GS1521269,*,Depth of the magic of the magi,1,Agenda,3D Printer History,What is the 3D Printer,3D Printer Basic principles and existing technologies,Application of 3D printer,3D printing applications in life,*,Agenda3D Printer History*,2,3D Printer History,3D printing concept as early as a few decades ago has been proposed.In the 1970s,with the rise of 3D aided design,designers can see virtual 3D objects in computer software,but to these objects in clay,wood,or is made out of metal model is very difficult,can use time-consuming cost money to describe.3D printing,so that the plane into a three-dimensional process a lot simpler,designer of any changes can be in after a few hours or overnight to re print it out,rather than spend a few weeks time factory put the new model manufactured.Only in this way can greatly shorten the production cycle,reduce the production cost.And with the continuous progress of science and technology,more materials are printed out,it was discovered that the original can also be so play.,The Economist magazine had commented:inventions can bring influence,at that age are difficult to predict,1750 steam engine so,1450 printing so,transistors in 1950,too.Now,we still can not predict,3D printing will be in a long time how to change the world.,*,3D Printer History 3D printing,3,What is the 3D printer,3D printer,a machine which is a kind of rapid prototyping technology,it is a kind of digital model file,the use of powdered metal or plastic and other materials can be bonded by layer by layer to construct the object technology.In the past,it was used in mold manufacturing,industrial design and other fields.It is now being used in direct manufacturing of some products,which means that this technology is becoming popular.,The upper part of the machine is a translucent cover,a row of the control button next to a computer.A cover,left standing four boxes of different colors of ink,on the right side of the work area put gypsum fine grinding powder.The work,the powder will be a layer of liquid connection is also a special glue,in accordance with the different cross sectional pattern curing,one layer upon layer,feel like a cake to create three-dimensional entity.,*,What is the 3D printer 3D prin,4,3D Printer Basic principles and existing technologies,In fact,3D printer principle is very simple,each layer of printing process is divided into two steps,the first in the need to spray a layer of special area of glue,glue droplet itself is very small,and not easy to spread.Then it is sprayed with a layer of uniform powder,the powder encountered the glue will quickly cured bonding,while the region is still loose without glue.In this way,the solid model will be printed and formed with a layer of glue layer of powder.After the completion,to deal with the powder around the items covered with powder,which can be recycled,and then coated with the hardness of the glue.,Now there are two types of 3D printers,one is the stacking method,one is sintering.Principle is basically a multi-layer printing,and stacking and sintering is only the difference between the molding technology.Stack only molding plastics,such as silicon material,the curing reaction rate requirements,and the sintering can using laser heat treatment metal material things out of metal powder,the entity may through grinding,drilling,plating way for further processing.So 3D printers and ordinary printers,the biggest difference is that ink.,*,3D Printer Basic principles an,5,3D Printer Basic principles and existing technologies,Existing 3D printing technology to achieve 600 DPI,the thickness of each layer of only 0.01 mm,want to perfect show hair is still very difficult,but to do small parts,model enough and to spare.The development of technology and the powder is very good,the material is thinner,each layer is thinner,the higher the accuracy of the things done,*,3D Printer Basic principles an,6,Application of 3D printer,Medical industry,:Recently,a 83 year old man suffering from chronic bone infection,so replaced by the 3D printer,print out of the jaw bone,which is the worlds first use of 3D printing products to do the human skeleton case.With the development of technology,and even can be printed out with the activity of the human body tissue.,scientific research,:The fossils to 3D scanning by researchers at Drexel University,Philadelphia,PA,USA,using 3D printing technology to make the 3D model for research,not only retained the original fossil all the external characteristics of,and scaling,is more suitable for the research.,*,Application of 3D printer Medi,7,Application of 3D printer,Product model,:For example,Microsofts 3D model printing shop,after the product design,through the 3D printer to print out the model,the design and manufacture department to better improve products,to create a better product.,Architectural design,:In the