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Mechanical drawing
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What industries make use of 3D printing?
Healthcare, movie props, prosthetics, architecture...
Which materials can be used for 3D printing?
Plastic, metals, organic materials...
Describe the process of 3D printing an object.
Design bluepring -> Send BP to printer -> Plastic string is introduced in the dispenser -> plastic string melts -> p. deposited on the plate -> p. cools down
How has 3D printing changed in the last years?
The process' quality and quantity have been improved; mew materials can be used to print; 3D printers are now cheaper.
Why is 3D printing defined "additive manufacturing"?
Because it adds successive layers of materials to create a final product.
This process allows technicians to create three-dimensional solid objects from a digital file.
3D printing
Which modelling technique is used in automotive industry to elaborate the metal panels of a car?
Surfacing :)
What are the two main strategies for creating models?
Top-down and bottom-up technique
What are popular software used for solid modelling?
SolidWorks, Autodesk Inventor, Pro/Engineer and Catia
Mention one benefit of solid modelling!
if you change one dimension, the remaining ones will change accordingly!
Why is solid modelling a parametric technique?
Because it uses parameters such as dimensions or material density to create a model.
The process of developing a multi-faceted surface using specialized software is called...
Solid modelling
Give a definition of 3D-Model.
It's a three dimensional representation (or part of that) of an object, which provide real life representations of a design showing its composition.
What is CAM?
CAM software deals with automated production process. Starting from a CAD drawing, CAM is the following step that tells the operators how to manufacture the pro
What is CIM?
Computer-integrated manufacturing is software that connects individual stages of manufacturing, from drawing to the quality control of an item.
What is CAD?
CAD is a type of software used by designers for precision technical drawings.
Is Coputer-aided drawing better than freehand sketching? Why?
It's much better! It helps avoiding mistakes, and when you make an error, you don't have to start all over again.
There can be more than 1 vanishing point in centra projection.
 
YESSSSS
 
NOOOOO
In central projection, the horizon lines meet at a point called...
Vanishing point
Central projection recalls the way...
Human eyes observe an object
Ortographic, oblique and axonometric are types of...
Parallel projection
How are the lines portrayed in parallel projection?
 
parallel to each other and perpendicular to the surface
 
parallel to the surface and perpendicular to each other
What are the 2 most important projections in the projection technique?
Parallel projection and central projection
What is the projection technique?
It's a technique used to represent three dimensional objects on a 2 dimensional surface.
List at least 4 basic tools used for technical drawing.
Paper, mechanical pencil, drafting table, set square or T-square, compass, protractor...
What's a freehand sketch?
It's the starting point of every technical drawing.
Which type of line doesn't exist?
 
Intersecting line
 
Section line
 
Dashed line
 
Extension line
Types of lines are defined by...
 
thickness, width and shape
 
Shape, width and length
 
Thickness, length and width
 
Width, shape and length
Can you list 4 geometric elements of a plane figure?
Points, lines, angles and curves.
How must the info in mechanical drawing be?
As it must give specific information, it must be precise, accurate and understandable.
What is mechanical drawing?
It is a type of technical drawing that shows information about an object or a building.
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