Exploring the Applications of Additive Manufacturing
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Questions and Answers

Rapid prototyping is a fabrication technique that uses virtual data to develop prototypes or scaled models.

True

Rapid prototyping involves printing layers of a CAD model to create a complete 3D prototype.

True

Match the following examples to their respective applications in Additive Manufacturing:

Metal Nut = Form Metal Bolt = Fit Metal Screw = Function

Match the following definitions to their respective applications in Additive Manufacturing:

<p>Form = The shape, size, dimensions, mass, weight and other visual parameters that uniquely distinguish a part Fit = The ability of a part to physically interface with, connect to, or become an integral part of another part Function = The action or actions that a part is designed to perform</p> Signup and view all the answers

Match the following functions with their descriptions in Reverse Engineering software:

<p>Surface Fitting = Fits surfaces into the points of the scanned object and converts it into solid Automatic Filleting = Uses an algorithm to create fillet whose radius and location is extracted from the cloud data Geometric constraints imposition = Automatically applies constraints such as perpendicular, parallel, tangent etc. on the constructed geometry or CAD model</p> Signup and view all the answers

Match the functions with their differences in 3D CAD software and Reverse Engineering software:

<p>Surface Fitting = In CAD, the points are controlled while in RE, the surface must pass through the data points Automatic Filleting = In CAD, the radius of fillet is given as user input while in RE, the radius is extracted from the cloud data Geometric constraints imposition = No specific difference stated</p> Signup and view all the answers

Match the following functions with their operations in Reverse Engineering software:

<p>Surface Fitting = Uses B-Spline surfaces to fit into the points Automatic Filleting = Creates fillet with a radius that is an approximate value extracted from the data points Geometric constraints imposition = Applies constraints based on the cloud data to the constructed geometry or CAD model</p> Signup and view all the answers

The point cloud data is obtained from applying the reverse engineering technique.

<p>True</p> Signup and view all the answers

Match the following functions with their descriptions:

<p>Surface Fitting = Surfaces are fit into the processed data points using B-Spline surfaces Automatic Filleting = An algorithm used to create fillet whose radius and location is extracted from the cloud data Geometric constraints imposition = Constraints such as perpendicular, parallel, tangent etc. are automatically applied on the constructed geometry or CAD model</p> Signup and view all the answers

Match the following terms with their meanings in the context of prototype production:

<p>AM = Additive Manufacturing RP = Rapid Prototype Freeform Fabrication = Technology where any form of geometry can be manufactured 3D Printing = Prototype is printed in successive layers</p> Signup and view all the answers

Match the following steps to their position in Additive Manufacturing process:

<p>Step 1 = CAD Step 2 = Conversion of STL Step 3 = Transfer to AM Machine and STL File Manipulation Step 4 = Machine Setup Step 5 = Build Step 6 = Removal Step 7 = Post Processing Step 8 = Application</p> Signup and view all the answers

Match the following characteristics of Additive Manufacturing technologies:

<p>Rapid development = Speed of production Flexible material usage = Ability to use various materials Complexity = Ability to handle complex designs Accuracy = Precision in production</p> Signup and view all the answers

Match the following terms with their descriptions in Solid Ground Curing process:

<p>Liquid photopolymer = The material put down in a very thin layer by the printer UV light = Used instead of a laser to cure the layer to the previous layers Curing process = Hardenening of photopolymers through masks Layer of wax = Goes over each layer to fill any crevices</p> Signup and view all the answers

Which of the following is an example of a layer-based approach in fabrication other than AM?

<p>Selective Laser Sintering (SLS)</p> Signup and view all the answers

Match the countries with their respective major Additive Manufacturing companies:

<p>United States of America = 3D Systems Inc. Germany = EOS United Kingdom = Renishaw Italy = Wasp co.</p> Signup and view all the answers

Which term is used to refer to the technology that allows for the direct fabrication of a model without the need for process planning?

<p>AM</p> Signup and view all the answers

Which term is commonly used to refer to additive manufacturing?

<p>3D Printing</p> Signup and view all the answers

What is the formalized term for rapid prototyping?

<p>Additive manufacturing</p> Signup and view all the answers

Which of the following features can fail in CNC machining if they are beyond a certain limit?

<p>All of the above</p> Signup and view all the answers

What is the potential consequence of incorrect programming of a CNC machine?

<p>Both A and B</p> Signup and view all the answers

Which process involves determining the program sequence for a CNC machine?

<p>CNC machining</p> Signup and view all the answers

Which of the following materials is commonly used in CNC machining for shaping softer materials?

<p>Polymeric materials</p> Signup and view all the answers

Which of the following materials is CNC machining particularly well-suited for?

<p>Metals</p> Signup and view all the answers

Which of the following statements is true about the quality of parts produced by CNC machining compared to AM?

<p>CNC parts are more homogeneous and predictable in quality.</p> Signup and view all the answers

Which of the following is a popular approach to classify AM technologies?

<p>Classify according to the use of lasers</p> Signup and view all the answers

What is the problem with classifying AM technologies according to the type of raw material input?

<p>Some processes get lumped together in odd combinations</p> Signup and view all the answers

Study Notes

Rapid Prototyping and Additive Manufacturing

  • Rapid prototyping utilizes virtual data to create prototypes or scaled models.
  • Involves layering techniques to print CAD models and generate complete 3D structures.

Applications of Additive Manufacturing

  • Specific definitions are matched with their roles in diverse applications of Additive Manufacturing.
  • Functions in reverse engineering software are categorized based on descriptions and operations.

Point Cloud Data

  • Achieved through reverse engineering techniques, utilized for creating 3D models.

Prototype Production Terminology

  • Terms are defined in the context of prototype creation processes, providing clarity on industry language and jargon.

Additive Manufacturing Process

  • Various steps within the Additive Manufacturing process are arranged sequentially for better understanding.

Characteristics of Additive Manufacturing Technologies

  • Key features of different Additive Manufacturing technologies are examined and matched with their respective characteristics.

Solid Ground Curing Process

  • Terms are paired with descriptions specific to Solid Ground Curing, explaining the technology and its applications.

Fabrication Techniques

  • Identifies examples of layer-based fabrication approaches outside of traditional Additive Manufacturing.

Major Companies in Additive Manufacturing

  • Countries are matched with prominent Additive Manufacturing firms based on industry presence and contributions.

Direct Fabrication Technology

  • Refers to methodologies that enable model creation without extensive process planning, enhancing efficiency.

Definitions of Additive Manufacturing

  • Common terminologies for additive manufacturing are identified with their formalized definitions.

CNC Machining Insights

  • Identify features that can fail beyond specific limits when using CNC machining techniques.
  • Incorrect programming can lead to significant operational problems and manufacturing faults.

CNC Programming and Materials

  • Program sequence determination is essential for CNC machine operation.
  • Softer materials are typically machined using particular materials suited for CNC processes.

Quality Comparisons Between Machining Techniques

  • CNC machining generally produces higher quality parts compared to Additive Manufacturing methods.

Classification Challenges in AM Technologies

  • Popular methods exist for categorizing Additive Manufacturing technologies.
  • Issues arise when classifying based solely on the type of raw material used, suggesting a need for multi-faceted approaches.

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Description

Test your knowledge on applications of Additive Manufacturing (AM) in terms of "Form," "Fit," and "Function." Explore different examples of how AM is used to create unique shapes and sizes for parts (Form), physically interface with other parts (Fit), and fulfill specific functions (Function). Challenge yourself and expand your understanding of the capabilities of AM technology.

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