A brief explanation about the additive manufacturing procedure, this presentation goes through the different varieties of the technology available and the basic working of the same.
A brief explanation about the additive manufacturing procedure, this presentation goes through the different varieties of the technology available and the basic working of the same.
This presentation is made on the Evolution of Additive Manufacturing. It has a brief description of Additive Manufacturing. It also has a history of Additive Manufacturing, followed by how 3D printing technology was developed and printers were evolved. Also, how it gained media attention and also its application in various fields are covered.
FDM Process introduction (A part of Additive Manufacturing Technique OR Commonly Known as 3D Printing). 3D printing is an evolved manufacturing technique; it is comparatively better than conventional substractive manufacturing. There is minimum wastage of material because material is added only at those locations where it is required. To make 3D model you need a 3D printer and feeding material and obviously power source. Any thermoplastic material whose melting temperature lies in the range of 150-240 deg. C can be used in FDM based 3D printing.
Additive Manufacturing (2.008x Lecture Slides)A. John Hart
Slides accompanying 2.008x* video module on Additive Manufacturing, Prof. John Hart, MIT, 2016.
*Fundamentals of Manufacturing Processes on edX: https://www.edx.org/course/fundamentals-manufacturing-processes-mitx-2-008x
Stereolithography (SLA) is the oldest 3D Printing technology used to manufactureaesthetically beautiful and proof of concept prototypes with smooth surface finish. We use photopolymer resins to manufacture the parts in SLA technology. The parts find applications in Automotive interiors, Industrial goods, Medical Devices industries etc.
Course Objectives:
Students undergoing this course would
Understand different methods of 3D Printing.
Gain knowledge about simulation of FDM process
Estimate time and material required for manufacturing a 3D component
Course Outcomes:
Upon the successful completion of course, students will be able to
Explain different types of 3d Printing techniques
Identify parameters for powder binding and jetting process
Determine effective use of ABS material for 3D Printing
Apply principles of mathematics to evaluate the volume of material require.
Module 1:
Introduction to Prototyping, Working of 3D Printer, Types of 3D printing Machines:
Exp 1: Modelling of Engineering component and conversion of STL format.
Exp 2: Slicing of STL file and study of effect of process parameter like layer thickness,
Orientation and infill on build time using software.
Exercise 1 : Component-1
Exercise 2 : Component-2
Module 2:
Exp 1 : 3D Printing of modeled component by varying layer thickness.
Exp 2 : 3D Printing of modeled component by varying orientation.
Exp 3: 3D Printing of modeled component by varying infill.
Module 3:
Study on effect of different materials like ABS, PLA, Resin etc, and dimensional accuracy.
Module 4:
Identifying the defects in 3D Printed components.
Module 5
Exp1: Modelling of component using 3D Scanner of real life object of unknown dimension
in reverse engineering.
Exp 2: 3D Printing of above modeled component.
This presentation is made on the Evolution of Additive Manufacturing. It has a brief description of Additive Manufacturing. It also has a history of Additive Manufacturing, followed by how 3D printing technology was developed and printers were evolved. Also, how it gained media attention and also its application in various fields are covered.
FDM Process introduction (A part of Additive Manufacturing Technique OR Commonly Known as 3D Printing). 3D printing is an evolved manufacturing technique; it is comparatively better than conventional substractive manufacturing. There is minimum wastage of material because material is added only at those locations where it is required. To make 3D model you need a 3D printer and feeding material and obviously power source. Any thermoplastic material whose melting temperature lies in the range of 150-240 deg. C can be used in FDM based 3D printing.
Additive Manufacturing (2.008x Lecture Slides)A. John Hart
Slides accompanying 2.008x* video module on Additive Manufacturing, Prof. John Hart, MIT, 2016.
*Fundamentals of Manufacturing Processes on edX: https://www.edx.org/course/fundamentals-manufacturing-processes-mitx-2-008x
Stereolithography (SLA) is the oldest 3D Printing technology used to manufactureaesthetically beautiful and proof of concept prototypes with smooth surface finish. We use photopolymer resins to manufacture the parts in SLA technology. The parts find applications in Automotive interiors, Industrial goods, Medical Devices industries etc.
Course Objectives:
Students undergoing this course would
Understand different methods of 3D Printing.
Gain knowledge about simulation of FDM process
Estimate time and material required for manufacturing a 3D component
Course Outcomes:
Upon the successful completion of course, students will be able to
Explain different types of 3d Printing techniques
Identify parameters for powder binding and jetting process
Determine effective use of ABS material for 3D Printing
Apply principles of mathematics to evaluate the volume of material require.
Module 1:
Introduction to Prototyping, Working of 3D Printer, Types of 3D printing Machines:
Exp 1: Modelling of Engineering component and conversion of STL format.
Exp 2: Slicing of STL file and study of effect of process parameter like layer thickness,
Orientation and infill on build time using software.
Exercise 1 : Component-1
Exercise 2 : Component-2
Module 2:
Exp 1 : 3D Printing of modeled component by varying layer thickness.
Exp 2 : 3D Printing of modeled component by varying orientation.
Exp 3: 3D Printing of modeled component by varying infill.
Module 3:
Study on effect of different materials like ABS, PLA, Resin etc, and dimensional accuracy.
Module 4:
Identifying the defects in 3D Printed components.
Module 5
Exp1: Modelling of component using 3D Scanner of real life object of unknown dimension
in reverse engineering.
Exp 2: 3D Printing of above modeled component.
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These slides use concepts from my (Jeff Funk) course entitled analyzing hi-tech opportunities to show how the cost and performance of additive manufacturing/3D printing is experiencing rapid improvements and thus it is becoming economically feasible for many new applications. All 3D printers have benefited from improvement sin microprocessors and sensors, which have enabled better process control. One new and one existing technique and the impact of improvements in electronic components on the performance and cost of additive manufacturing are discussed. First, continuous liquid interface production is a new technique that utilizes a unique design of digital light processing, a deadzone, and an oxygen permeable window. Improvements in the resolution of DLP, a form of MEMS, are occurring as smaller feature sizes are achieved, in the same way that increases in the number of transistors are achieved as transistor gate lengths are reduced. Second, an existing approach, Selective laser sintering, experiences improvements as higher powered lasers emerge. This technique melts metal powder and wires with an Ytterbium fiber laser whose power capabilities continue to be improved. This technique has already enabled GE to reduce the number of parts for an engine nozzle from 18 to 1, the weight by 25%, and the costs by a similar amount. The number of applications for SLA is expected to grow as the technique is improved through the use of higher powered lasers.
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THE FUTURE OF OLED LIGHTING COULD BE BRIGHT IF…
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Additive manufacturing for biomedical applications
1. Additive Manufacturing for Biomedical applications
Grégory Nolens & Carsten Engel
Workshop, January 23th 2014
le centre collectif de l’industrie technologique belge