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Title: Basic To AutoCAD Chapter 1
Description: This is basic notes to AutoCAD. It is suitable for AutoCAD 2015.
Description: This is basic notes to AutoCAD. It is suitable for AutoCAD 2015.
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8/5/2014
INTRODUCTION TO CAD
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
CHAPTER 7
...
Identify between CAD and conventional
drawing
7
...
(Wisegeek)
Help people design buildings, products or public spaces
without having to draw up plans by hand
...
and offered a personal
solution to software that was previously released only for
larger workstations
...
AutoCAD suppor ts a number of APIs for customization and
automation
...
CAD used to design cur ves and figures in two-dimensional
(2D) space; or cur ves, sur faces, and solids in threedimensional (3D) objects
...
Designers only need to make a simple sketch of the design
...
All angles of a drawing can be shown
...
Exact copies of drawings can be produced quickly
...
Objects can be viewed as animation
...
AutoCAD uses both standard
toolbars and a pull down menu
...
In Autodesk AutoCAD, they have special type such as Autodesk
AutoCAD Mechanical, Autodesk AutoCAD Architecture, Autodesk
AutoCAD Electrical etc
...
2 EXPLAIN
THE USE OF
COMMANDS
IN CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
8
8/5/2014
KEYBOARD
Type in the command at the command prompt window and
press Enter or Space Bar
...
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
SCREEN MENU
The screen menu is a command space that is located on the
right of the screen
...
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
9
8/5/2014
SCREEN MENU
This menu available since the first version of AUTOCAD
...
Tablets were popular in years past as a means of command
input but are not used much today
...
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
10
8/5/2014
BUTTON MENU
The menu is for a pointing device with multiple buttons
...
The coordinates of the selected point are then entered when
the ‘PICK’ button of the pointing device is pressed
...
The pull down menus offer a quicker way to access the most
commonly used commands available in AutoCAD
...
2 EXPLAIN
THE USE OF
COMMANDS
IN CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
15
8/5/2014
EXPLAIN THE USE OF COMMANDS IN CAD
Once a command has been entered, in many instances
AutoCAD requires additional input
...
The following are 3 methods in which data that are points
may be entered
...
Example: LINE from 50, 50 to 100,70 will draw a line from the
position vector of 50, 50 to the position vector of 100,70
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
16
8/5/2014
ABSOLUTE COORDINATE
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
ABSOLUTE COORDINATE
Values are relatives to 0,0 (the origin)
0,2
2,2
Command : Line
From point : 0,0
To point : 2,0
To point : 2,2
To point : 0,2
To point : 0,0 @ c
0,0
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
2,0
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
17
8/5/2014
RELATIVE COORDINATE
Represents the relative position of x and y coordinates of the
new point compared to the previous point
...
You can specify a point as an offset from the last
point you entered
...
LINE Specify first point : 50, 50 ↵
Specify next point or [undo] : @50, 20 ↵
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
RELATIVE COORDINATE
the distance from the last coordinate entered
@ means with reference to the last point
...
This system makes use of the distance and the direction angle
of the new point away from the previous point
...
85<21
...
85 units away from the previous point in the 21
...
LINE Specify first point : 50, 50 ↵
Specify next point or [undo] : @50<20 ↵
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
POLAR COORDINATE
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
19
8/5/2014
POLAR COORDINATE
the distance and the angle from the last coordinate (point)
entered
...
This is ver y similar to the selection of the correct paper size for the
manual design drawings
...
The current drawing area has a length of 1 2 units and a breadth of 9
units, by default for English system
...
In order to set the new Limits, follow these guidelines
...
Specify the minimum limiting coordinates for the
[Enter]
...
To execute the Units command, one can either select Units
Control from the Settings pull-down menu or type UNITS at the
Command prompt
...
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
21
8/5/2014
PRACTICE
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
EXERCISE 1
SAVE AS EXERCISE1F****
75
40
55
120
DIPLOMA ENGINEERING IN AIRCRAFT MAINTENANCE
DWM 1203: TECHNICAL DRAWING AND CAD
FOR TRAINING PURPOSE ONLY
JPP/DWM1203/P07/REV00
22
Title: Basic To AutoCAD Chapter 1
Description: This is basic notes to AutoCAD. It is suitable for AutoCAD 2015.
Description: This is basic notes to AutoCAD. It is suitable for AutoCAD 2015.