The document is a project titled 'Knuckle Joint' focusing on machine design, specifically detailing the characteristics and applications of knuckle joints in structures. It provides a comprehensive list of AutoCAD commands used to create and manipulate graphical representations of knuckle joints, including commands for drawing shapes, trimming, joining, and adding dimensions. Additionally, the document outlines specific dimensions and steps for creating various geometric shapes essential for the project.

1. Two dimensional AutoCAD project
Title:
Knuckle joint
Subject:
Machine design lab
Submitted to: Submitted by:
Miss. Sobia Muhammad Awais
CET, UOS BSMT-F17-LC-007
College of Engineering Technology
University of Sargodha

2. Knuckle Joint:
Knuckle jointis a type of mechanical jointused in structures, to connect
two intersecting cylindricalrods, whoseaxes lie on the same plane. Itpermits
some angular movement between the cylindrical rods (in their plane). It is
specially designed to withstand tensile loads.
AutoCAd View:
Knuckle joint:

3. Commands use in project:
 Line
 Rectangle
 Circle
 Trim
 Fillet
 Join
 Polygon
 Extend
 Arc
 Delete
 Move
 Spline
 Copy
 Rotate
 Hatch
 Undo
 Redo
 Pan
 Zoom
 Dimension
 view

4. Rectangle:
Inter rectangle command and press inter button. Specify firstpoint and
inter dimension 74mmlength and 28 mm width and press enter button
Circle:
Inter circle command and press enter. Specify the center point and inter
14mmand 32mmradius

5. Rectangle:
Inter rectangle command and press inter button. Specify firstpoint and
inter dimension 54mmlength and 12 mm width and press enter button
Trim:
Inter trim command and press enter button. Select objectfor referenceand
press enter button. Then click on thoseobjects that you want to remove

6. Join:
Select object that you want to join. Then inter join command and press
enter.
Fillet:
Inter fillet command and press enter button. Specify firstobject and press
on radius. Inter 15 mm of radius and press enter button. Select second objectand
press enter button

7. Line:
Inter line command and press on enter button. Specify firstobject and inter
value and specify second object
Polygon:
Inter polygon command and press inter button. Specify center and inter
sides of polygon. Inter diameter of polygon and press inter

8. Line:
Inter line command and press on enter button. Specify firstobject and inter
value and specify second object
Line:
Inter line command and press on enter button. Specify firstobject and inter
value of line 30mmand specify second object

9. Extend:
Inter extend command and press inter button. Specify the reference object
and press enter button. Select the line you want to extend
Trim:
Inter trim command and press enter button. Select objectfor referenceand
press enter button. Then click on thoseobjects that you want to remove

10. Fillet:
Inter fillet command and press enter button. Specify firstobject and press
on radius. Inter 8 mm of radius and press enter button. Select second object and
press enter button
Line:
Inter line command and press on enter button. Specify firstobject and inter
value and specify second object

11. Arc:
Inter arc command and press inter button. Select firstpoint of the arc then
second then third point of arc. At last press enter button
Delete:
Select the object that you want to delete and press inter button

12. Rectangular:
Inter rectangle command and press inter button. Specify firstpoint and
inter dimension 20mmlength and 25 mm width and press enter button
Trim and delete:
Inter trim command and press enter button. Select objectfor referenceand
press enter button. Then click on thoseobjects that you want to remove

13. Line:
Inter line command and press on enter button. Specify firstobject and inter
value of line 38,12,5,80,28,80,5,12 mmand specify second object
Join:
Select object that you want to join. Then inter join command and press
enter.

14. Move:
Inter the move command and pres inter button. Select object that you
want to move, select basepoint and move to other location
Rectangular:
Inter rectangle command and press inter button. Specify firstpoint and
inter dimension 100 mm length and 28 mm width and press enter button

15. Spline:
Inter the spline command and press enter button. Select the point for start
spline and step by step last point and press inter button
Copy:
Inter the copy command and press inter button. Select the object that you
want to copy. Select bas point and drag to other locatoion

16. Rotate:
Inter the rotate command and press enter button. Select object that you
want to rotate. Select basepoint and drag roundly to rotate purpuse
Move:
Inter the move command and pres inter button. Select object that you
want to move, select basepoint and inter 12mmdimension to move other
location

17. Hatch:
Inter hatch command and press enter button. Select the object that you
want to hatch. Inter the value of line distanceis 10mmand angle is 0. Press enter
button
Hatch:
Inter hatch command and press enter button. Select the object that you
want to hatch. Inter the value of line distanceis 10mmand angle is 90. Press inter
button

18. Rectangular:
Inter rectangle command and press inter button. Specify firstpoint and
inter dimension 20mmlength and 25 mm width and press enter button
Circle:
Inter circle command and press enter. Specify the center point and inter
2mm and 3mm radius

19. Trim:
Inter trim command and press enter button. Select objectfor referenceand
press enter button. Then click on thoseobjects that you want to remove
Spline:
Inter the spline command and press enter button. Select the point for start
spline and step by step last point and press inter button

20. Spline:
Inter the spline command and press enter button. Select the point for start
spline and step by step last point and press inter button
Hatch:
Inter hatch command and press enter button. Select the object that you
want to hatch. Inter the value of line distanceis 10mmand angle is 90. Press inter
button