40 Questions
What is the first step to launch AutoCAD software?
Launch AutoCAD software
What is the purpose of typing Z in the command line?
To select all
What is the next step after selecting the template?
A new drawing workspace will open
What do you need to click to activate a viewport?
Double click inside the viewport
What is the purpose of the Page Setup Manager?
To set the paper size and orientation
What is the purpose of creating a dimension style?
To place dimensions on your drawing
What do you need to do to deactivate a viewport?
Double click outside the viewport
What file type do you need to select when saving a template?
dwt
What is the primary purpose of assembly dimensions?
To specify the distance between parts for proper assembly
What type of view is used to show internal features of an assembly?
Sectional view
What is the purpose of a parts list in an assembly drawing?
To identify individual parts in the assembly
What type of assembly drawing is used to establish the relationship of parts in a product assembly?
Layout assembly
What is the purpose of a working-drawing or detail assembly?
To specify the dimensions of individual parts
What is the purpose of an enlarged view in an assembly drawing?
To show adequate detail of specific parts
What is the purpose of a pictorial assembly?
To show the assembly process in a visual format
What is a layout assembly used for?
To establish the relationship of parts in a product assembly
What type of drawing is used by workers in manufacturing?
Detail drawings
What is the purpose of an engineering drawing?
To purchase or manufacture parts
What is an assembly drawing?
A drawing showing how all parts fit together
What type of parts do not need to be drawn?
Standard parts
Why are assembly drawings often multiview drawings?
To use as few views as possible to describe the product
What is the main goal of preparing an assembly drawing?
To show how each part goes together
What is an example of a standard part?
A bolt
What type of information is provided in an engineering drawing?
Information needed for the purchase or manufacture of parts and assembly
What is the representation of a spur gear in the front view?
A thick circle with the pitch circle and thin-line diagonals
What is the purpose of the conventional representation of bearings?
To simplify the drawing of complicated sectional views
What is shown in the sectional end view of a spur gear?
The gear teeth are not sectioned, but the center line and the root of the gear are shown
What is the purpose of labeling cutting planes in a sectional view?
To indicate the location of the section
What is the primary skill covered in the section on sectional views?
Introduction to sectional views
What is the main difference between a full section and a half section?
The amount of the object sectioned
What is the purpose of removed sections in a sectional view?
To simplify the drawing of complicated objects
What is the primary purpose of a conventional representation of common features in engineering drawing?
To simplify the drawing of complicated objects
What type of surface is generated by sweeping a straight line along a curved path?
Ruled surface
What is a characteristic of a single-curved surface?
It can be unrolled to coincide with a plane
What type of surface is bounded by plane surfaces?
Geometric solid
What is the term for a line that generates a ruled surface?
Generatrix
What type of surface has no straight-line elements?
Double-curved surface
What is an example of a single-curved surface?
Cone
What type of surface is not developable?
Warped surface
What is the term for a point on the generatrix?
Element
Study Notes
AutoCAD Basics
- Launch AutoCAD software
- Select the right template needed for the drawing, especially based on the units of the dimensions
- In the model view, type Z in the command line and select all
- Create layers using the layer manager
- Define the default layer
- Combine both draw and modify tools to create the drawing
- Create a dimension style and use that to place dimensions on the drawing
Creating a New Drawing
- Click on the Start Page and click on NEW
- The Select box Template dialog box will pop up (fig. 13)
- Select the acadiso.dwt from the list of Templates
- A new drawing workspace will open
- Set the boundary using the Rectangle Tool
- Set the Viewport by typing MV or MVIEW in the command palette and press ENTER
- Activate a viewport by double-clicking inside the viewport
Setting Up the Page
- Set the layers (Line types)
- Set the Text Styles
- Set the Dimension, leader, and Table styles if necessary
- Go to File and Save as template by clicking on SAVE AS
- Select dwt template as your file type
- Click on Page Setup Manager (Fig. 14)
- Add the name of the Template and save the file to a suitable location
Engineering Drawing
- Cylindrical compression springs: coils are drawn only at each end of the spring and are connected by parallel thin lines
- Spur gears: the front view consists of the outside thick circle and the pitch center-line circle
- Bearings: conventional representation does not imply any particular type of bearing
Conventional Representation of Common Features
- Thread (Internal and external)
- Splined shaft
- Knurl
- Shaft
- Serrated shaft
- Holes on circular pitch
- Bearing
Exercises
- Produce the Front, left, and Right End View of the images
Sectional Views
- Introduction to sectional views
- Full Sections
- Placement of Section view
- Labeling Cutting planes
- Half Sections
- Broken out sections
- Revolved sections
- Removed sections
- Offset sections
- Ribs in section
- Aligned sections
- Partial sections
- Parts not sectioned
Assembly Drawings
- Definition: a drawing showing how all of the parts fit together
- Types of assembly drawings: Layout, General assembly, Working-drawing, Erection assembly, Subassembly, Pictorial assembly
- Assembly drawings can contain: one or more views, auxiliary views, sections, enlarged views, parts list or bill of materials
Development of Solids/Surfaces
- Surface terminology: plane, ruled surface, single-curved surface, double-curved surface, warped surface
- Examples of ruled surfaces: plane, cylinder, cone
- Examples of warped surfaces: Figure 57
This quiz covers the basics of AutoCAD, including creating a new drawing workspace, selecting templates, and using tools like the Rectangle Tool.
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