CAD with NX 7.5

1. NX7.5 : Basic Training Course

2. GETTING STARTED
Start →Programs →UGS NX 7.5 →NX 7.5
It may take a minute or so for NX to start the first time.

3. Once opened, you will be presented with the window
Open a New File
 To create a new file there are two options. You can click on the ‘New’ tab on
top of the screen or go through the ‘File’ drop-down menu.
 To start modeling, you must first create a part file. NX part files use the
extension .prt for both components and assemblies of components.

4. This will open a new session, asking for the name and
location of the new file to be created. You need to select
the units (inches or millimeters).
Open a New File

5. NX7.5 Modeling Interface
Once the new file has been created, the NX modeling interface will open,
the interface for NX contains numerous icons, lists, text prompts and
other features.

6. The NX 7.5 window

7. Save Part Files
• SAVE: This option will save the part on screen with
the same name as given before while creating the part
file.
• SAVE WORK PART ONLY: option will only save
the active part on the screen.
• SAVE AS: option allows you to save the part on
screen using a different name.
• SAVE ALL: This option will save all the opened
part files with their existing names.
• SAVE BOOKMARK: This option will save a
screenshot of the current model on the screen as a
.JPEG file and bookmarks.

8. Close Part Files
To close a part files Click FILE →CLOSE. If you close a file, the file will be
cleared from the working memory and any changes that are not saved will be lost.
Therefore, remember to select SAVE AND CLOSE or SAVE ALL AND CLOSE
or SAVE ALL AND EXIT.
Exit an NX7.5 Session
To Exit an NX 7.5 Click FILE →EXIT

9. Open a Part File
To create a Part file there are two options. Click FILE →OPEN or click the
Open icon from the Standard toolbar at the top of the screen.
The Open Part File dialog will appear.
You can see the preview of the files on
the right side of the window. You can
disable the Preview by un-clicking the
box in front of the Preview button.

10. TOOL BARS
Add or remove toolbar buttons
Customize and display toolbars
Roles

11. Using the mouse

12. Using the mouse

13. Shortcut menu
Radial toolbars

14. Orient View
Home key: Orients the current view to Trimetric.
End key: Orients the current view to Isometric.
F8 key: Orients the current view to a selected planar face
or datum plane or the planar view (top, front,
right, back, bottom, left) that is closest to the
current view orientation.
View triad

15. Selecting objects
Deselecting objects
You can deselect and object by holding the Shift key as you click it.
To deselect all objects in the graphics window, press the Esc (Escape) key.
Quick Pick

16. The User Interface option
PREFERENCES →BACKGROUND
The background color refers to the color of the
background of the graphics window. NX supports graduated
backgrounds for all display modes. You can select background
colors for Shaded or Wireframe displays. The background can
be Plain or Graduated. Valid options for all background colors
are 0 to 255.
PREFERENCES → Objects
The Object will be set here work layer
(assign the object to work layer), color of the
object and translucency of the object.

17. USING LAYERS
Status :
Work
Selectable
Visible Only
Invisible
Choose Format → Layer Settings to access the Layer Settings dialog box.
Name – This column shows the active Work layer
(a layer is visible and selectable if its check
box is checked).
Visible Only –If a check box in this column is
selected, the objects on that layer can be
seen but not selected.

18. Coordinate systems
Absolute Coordinate System
The Absolute Coordinate System is the coordinate system
from which all objects are referenced.
Work Coordinate System
The Work Coordinate System (WCS) is what you will use for
construction when you want to determine orientations and
angles of features. The axes of the WCS are denoted XC, YC,
and ZC. (The “C” stands for “current”).

19. Sketching
A Sketch is a named set of 2D curves and points located on a specified plane or
path. You can apply rules, in the form of geometric and dimensional constraints,
to establish the criteria your design needs.
Ways to use sketches

20. Choose INSERT → SKETCH in TASK ENVIRONMENT
We will use second method of creating
sketch. The screen will display the
Sketch options. You can choose the
sketch plane, direction of sketching and
type of plane for sketching.

21. Sketch curves

22. Name sketches in the Modeling application
To name a sketch in the Modeling application use
the Sketch Properties dialog box.
In the Part Navigator or in the graphics window, right
click the sketch and choose Properties.
Click the General tab.
In the Name box, type the new sketch name.
Click OK.

23. Finish Sketch
Use the Finish Sketch command to exit a sketch and return to the
application or command you started sketching from.
Snap Point options

25. Types of constraints
Geometric Constraints
Tangent
Vertical
Horizontal
Offset
Perpendicular
Coincident

26. Dimensional Constraints

27. Convert To/From Reference overview
Use the Convert To/From Reference command
to convert sketch curves from active to
reference, or dimensions from driving to
reference.
Active curves
Reference curve
Reference
dimension
Driving dimensions

28. Sketch curve functions

29. Quick Trim overview

30. Quick Extend overview

31. Make Corner overview

32. Fillet overview

33. Chamfer

37. Types of swept features
Extrude – Sweep a section string (1) in a linear direction
for a specified distance.
Revolve – Rotate a section string (1) around a specified
axis (2).

38. Sweep Along Guide – Sweep a section string (1) along a guide
string (2).

39. Boolean Operations:
Unite: The unite command adds the Tool body with the Target
body. For the above example, the output will be as follows if
Unite option is used.

40. Subtract: When using the subtract option, the Tool body is
subtracted from the Target body. The following would be the
output if the rectangle is used as the Target and the cylinder as
the Tool
Intersect: This command leaves the volume that is common
to both the Target body and the Tool body. The output is
shown below.