Madhurig at 11:40, 4 December 2024

2024-12-04T11:40:42Z

Madhurig: Created page with "'''Title of the script: Eye end part of Knuckle Joint.''' '''Author: '''Dr. Sathiya Narayanan, K. Sakthivel '''Keywords: '''FreeCAD, Part Design, sketcher tools, datum plane..."

2024-12-04T11:08:06Z

Created page with "'''Title of the script: Eye end part of Knuckle Joint.''' '''Author: '''Dr. Sathiya Narayanan, K. Sakthivel '''Keywords: '''FreeCAD, Part Design, sketcher tools, datum plane..."

New page

'''Title of the script: Eye end part of Knuckle Joint.'''

'''Author: '''Dr. Sathiya Narayanan, K. Sakthivel

'''Keywords: '''FreeCAD, Part Design, sketcher tools, datum plane, fillet tool, 3D component, video tutorial.

{| border=1
|-
|| '''Visual Cue'''
|| '''Narration'''
|-
|| '''Slide 1'''

'''Title slide'''
|| Welcome to this Spoken Tutorial on '''Eye end part of Knuckle Joint.'''
|-
|| '''Slide 2'''

'''Learning Objectives'''
|| In this tutorial, we will learn to,
* Draw an '''eye end part '''of the '''Knuckle joint''' using '''Sketcher tool'''s.

|-
|| '''Slide 3'''

'''System Requirements'''
|| To record this tutorial, I am using

* '''Windows 11 OS '''and
* '''FreeCAD version 0.21.2'''

|-
|| '''Slide 4'''

'''Prerequisite '''

'''https://spoken-tutorial.org'''
|| To follow this tutorial,
* Learners must be familiar with the '''FreeCAD '''interface.
* For the prerequisite tutorials, please visit this site

|-
|| '''Slide 5'''

'''Eye end part.'''
|| The '''Eye end part '''of the '''knuckle joint '''is used to join parts that need to pivot or rotate.

|-
|| Open the '''FreeCAD'''.

Select '''File '''and '''New''' to open the new file.

Click on the '''Start''' dropdown.

Select the '''PartDesign''' workbench from the drop down.
|| Let us open '''FreeCAD'''.

I will open a new file.

I have selected the '''PartDesign workbench'''.
|-
|| From the toolbar select '''Create body'''.

Select '''Create sketch'''.

In the Combo view click on '''XY-plane'''(base plane).

Click on '''OK'''.

Point to the '''Sketche'''r workbench.
|| Let us create a new '''Body'''.

Now select '''Create sketch''' to create a new '''Sketch'''.

Select the '''XY-plane''' and click on '''OK'''.

The '''workbench''' switches to '''Sketcher workbench'''.
|-
|| Select the '''Create circle''' tool from the tool bar.

Place the cursor in the middle of the plane.

Draw a large circle.

Draw a small circle with the same centre.
|| Now I will select the '''Create circle''' tool from the toolbar.

Place the cursor on the centre of the plane and draw two concentric circles.
|-
|| Point to the tool.

Select the large circle.

Select the '''Constrain radius''' tool from the tool bar.

In the '''Insert radius '''dialog box, set the radius to 25 '''mm''' and click ok.

Select the small circle.

Select the '''Constraint radius''' tool from the tool bar.

In the '''Insert radius''' dialog box, set the radius to 12.5'''mm''' and click ok.
|| Let us set the radius of the circles using the '''Constrain radius '''tool.

Let us change the radius of the larger circle to 25 '''mm'''.

Similarly change the radius of the smaller circle to 12.5 '''mm'''.
|-
|| Select the '''Create polyline''' tool from the tool bar.
|| Let’s select the '''Create polyline''' tool.

The '''Polyline '''tool allows you to draw lines continuously.
|-
|| Place the cursor on the left side circumference of the outer circle.

Left click and drag the cursor horizontally to the left.

Left click again to complete the line.

Drag the cursor vertically downwards.

Left click to complete the line.

Drag the cursor horizontally to the right and place the cursor on the outer circle.

Left click to complete the line.
|| Place the cursor on the left side of the outer circle.

Drag the cursor to the left to draw a horizontal line.

Left click to complete the line.

Now to draw a vertical line, drag the cursor vertically downwards.

Left click to complete it.

Now draw a horizontal line to the right to connect it to the circle.
|-
|| Point to the top horizontal line.

Select the top horizontal line.

Select the '''Constrain horizontal''' distance tool from the tool bar.

In the '''Insert length''' dialog box, set the length to 80 '''mm''' and click ok.
|| Let us set the length of the top horizontal line to 80 '''mm'''.

Click on the line, and click the '''Constrain horizontal''' '''distance''' tool.

Change the length to 80''' mm'''.

|-
|| Select both the horizontal lines.

Select the '''Constrain equal''' tool from the toolbar.
|| Now select both the horizontal lines and select the '''Constrain equal''' tool.

'''Constrain equal''' tool is used to make two or more drawings of equal size.
|-
|| Select the vertical line.

Select the '''Constrain vertical''' distance tool from the tool bar.

In the '''Insert length''' dialog box, set the length to 30 '''mm''' and click ok.
|| Now select the vertical line.

Set its length to 30 '''mm''' using the '''Constrain vertical distance''' tool.
|-
|| Select the '''Trim edge''' tool from the tool bar.

Select the circumference of the outer circle between the horizontal lines.
|| Now select the '''Trim edge''' tool.

'''Trim edge''' tool is used to delete a line or curve between two intersection points.

Select the arc of the outer circle that is between the horizontal lines to trim it.

|-
|| Click close in the '''Combo view.'''
|| Now click '''Close''' in the '''Combo view'''.
|-
|| Select the view to Top using the '''Gizmo.'''
|| Select the top view using the''' Gizmo'''.
|-
|| Go to the '''Model tab'''.

Select the '''sketch.'''
|| Go to the '''Model tab''' and select the sketch if not already selected.
|-
|| Select the '''Pad''' tool from the tool bar.

'''Pad Parameters''' dialog box opens in the '''Combo view'''.

In the '''Combo view''', set the length to 30'''mm'''.

Tick the '''Symmetric to plane''' check box.

Click '''OK'''.
|| Now select the '''Pad''' tool from the tool bar.

In the '''Combo View, '''under''' Pad Parameters '''change the length to 30 '''mm'''.

Also tick the '''Symmetric to plane''' check box.

Now click the '''OK''' button.
|-
|| Place the cursor on the center of the drawing.

Press and hold the middle mouse button.

Right click and drag the cursor to the right.
|| Now let us rotate the drawing.

Place the cursor on the centre of the component.

Press and hold the middle mouse button.

Right click and drag the cursor to the

right.
|-
|| Select the '''Create a datum plane''' tool from the tool bar.
|| Now select the '''Create a datum plane''' tool from the toolbar.

It is used to create a new plane to draw the components.
|-
|| Select the back end face of the square.

Click ok in the '''Combo view'''.
|| Now select the back face of the square, to set it as a reference.

Then click '''OK''' in the '''Combo view'''.
|-
|| Shows the plane.
|| You can see that a plane appears at the bottom of the component.
|-
|| Select the '''datum plane''' from the model tab.

Select '''Create sketch''' from the tool bar.
|| Select the '''datum plane''' from the '''Model''' tab if not selected.

Now select '''Create sketch'''.
|-
|| Select the arrow near the '''Create regular polygon''' tool.

Select the '''octagon.'''
|| Now select the arrow near the '''Create regular polygon''' tool.

It is used to draw different polygons.

In the drop down, select O'''ctagon'''.
|-
|| Place the cursor in the middle of the plane.

Left click and drag the cursor.

Adjust the octagon so that the sides of the octagon are parallel to the background square.

Left click on your mouse.
|| Now place the cursor in the middle of the plane.

Left click and drag to see a model drawing.

Adjust the octagon to make its sides parallel to the background square.

Now left click again to complete the octagon.
|-
|| Select the left side line.

Select the '''Constrain vertically''' tool from the tool bar.
|| Select the left side line of the octagon.

And select the '''Constrain vertically''' tool from the toolbar.

This makes the side vertical.
|-
|| Select the left side of the octagon and the midpoint of the plane.

Select the '''Constrain distance''' tool from the tool bar.

In the '''Insert length''' dialog box, enter the length as 15'''mm''' and click ok.
|| Select the left side line of the octagon and the midpoint of the plane.

Select the '''Constrain distance''' tool from the toolbar.

In the '''Insert length '''dialog box, set the length as 15 '''mm''' and click OK.
|-
|| Click '''Close''' in the '''Combo view'''.
|| Observe that the octagon is perfectly placed.

Click '''Close''' in the '''Combo view'''.
|-
|| Select the sketch in the model tab.
|| Now select the sketch if not selected.
|-
|| Select the '''Pad''' tool from the tool bar.

In the '''Length '''field, enter 40'''mm''' and click ok.
|| Select the '''Pad''' tool from the tool bar.

Change the length to 40 '''mm''' and click OK.
|-
|| Select the '''datum plane''' in the combo view.

Press the '''Space''' key.
|| Select the '''datum plane''' in the Combo View and press '''Space''' bar.

This hides the plane.
|-
|| Select the component.

In the '''Property''' tab, go to '''Data''' tab.

Under Part Design change the '''Refine''', value to '''True'''.

|| Now select the component.

In the '''Property tab''', go to '''Data'''.

Under '''Part Design''' change the '''Refine '''value to '''True'''.
|-
|| Click on a blank space.
|| Now click anywhere in the blank space to deselect the component.
|-
|| Select '''Create a datum''' plane tool from the tool bar.

Select the bottom face of the octagon and click ok.

|| Now select '''Create a datum plan'''e tool from the tool bar.

Select the bottom face of the octagon and click OK.
|-
|| Select the '''datumplane''' in the model tab.

Select '''Create sketch''' tool from the tool bar.
|| Now select the '''datum plane''' from the '''Model '''tab if not selected.

Now select '''Create sketch'''.
|-
|| Select the '''Create circle''' tool from the tool bar.

Place the cursor in the middle of the plane.

Left click and drag to draw a circle.

Left click again to complete it.

Select the circle.

Select the '''Constrain radius''' tool from the tool bar.

In the '''Insert radius''' dialog box, enter the radius as 12.5'''mm''' and click ok.

Click '''Close''' in the '''Combo view'''.
|| Select the '''Create circle''' tool from the tool bar.

Draw a circle from the middle of the plane.

Using the '''Constrain radius''' tool, let us set the radius as 12.5 '''mm'''.

Then click '''Close''' in the '''Combo view'''.
|-
|| Select the sketch from the model tab.

Select the '''Pad''' tool from the tool bar.

In the '''Combo view''', change the length to 25'''mm''' and click ok.
|| Now select the sketch if not selected.

Select the '''Pad''' tool from the tool bar.

In the '''Combo''' '''view''' change the length to 25 '''mm''' and click '''OK'''.
|-
|| Select the '''datumplane''' from the combo view.

Press the '''Space''' key in the keyboard.
|| Now select the '''datum plane''' in the '''Combo''' '''view''' and press '''Space''' bar to hide it.
|-
|| Click on a blank space.
|| Now click anywhere in the blank space to deselect the component.
|-
|| Select the '''Create fillet''' tool from the tool bar.

Select the intersection line between the ring shape and the rectangle.

Rotate the drawing.

Select the other intersection line between the ring shape and the rectangle.
|| Now select the '''Create''' '''fillet''' tool from the toolbar.

Select the intersection line between the ring and the rectangle.

Repeat it for the other side also.
|-
|| In the '''Combo view''', change the radius to 24'''mm'''.

Click '''Ok''' in the '''Combo view.'''
|| In the '''Combo''' '''view '''under '''Fillet parameters''', two edges are shown.

In the '''Radius''' field change the radius to 24 '''mm'''.

Then click '''OK'''.

|-
|| Select the '''Create fillet''' tool from the tool bar.

Select the diagonal intersection line in the corner between the rectangle and the octagon.

Rotate the drawing and select all four lines.
|| Again select the '''Create fillet''' tool from the toolbar.

When an octagon is drawn inside a square, four triangular edges are formed.

We have to smoothen these triangular edges.

Let’s rotate the drawing and select all the triangular edges as shown.

|-
|| Point to the Combo View Fillet Parameters window.

Point to the edges shown in the Preview.
|| In the Combo View Fillet Parameters window opens.

In the Preview all the four selected edges are shown.
|-
|| In the '''Combo view''' change the radius to 3'''mm''' and click ok.
|| In the Radius field change the radius to 3 '''mm''' and click OK.
|-
|| Only narration.
|| You can now see that the component is ready.
|-
|| Go to file.

Click save.

In the save dialog box, type the appropriate name and click save.
|| Now let us save the file with an appropriate name.
|-
|| Only Narration
|| With this we come to the end of this tutorial.

Let us summarize.
|-
|| '''Slide 5'''

'''Summary'''

|| In this tutorial, we have learnt to,

* Draw an '''eye end '''part of the '''Knuckle joint''' using '''Sketcher tools'''.

|-
|| '''Slide 6'''

'''Assignment'''
|| As an assignment,

Draw a joint pin as shown in the figure.

|-
|| '''Slide 7'''

'''About spoken tutorial project'''
|| This video summarizes the spoken tutorial project.

Please download and watch it.
|-
|| '''Slide 8'''

'''Spoken tutorial workshops'''
|| We conduct workshops using spoken tutorials and give certificates.

Please write to us.
|-
|| '''Slide 9'''

'''Forum questions'''
|| Please post your timed queries in this forum.
|-
|| '''Slide 10'''

'''Acknowledgement '''
|| Spoken tutorial project was established by the ministry of education government of India.
|-
|| '''Slide 11'''

'''Thank you'''
|| This tutorial is contributed by Dr. Sathiya Narayanan and K.Sakthivel.

Thank you for joining.
|-
|}

@@ Line 14: / Line 14: @@
 '''Title slide'''
-|| Welcome to this Spoken Tutorial on '''Eye end part of Knuckle Joint.'''
+|| Welcome to this Spoken Tutorial on '''Eye end part of Knuckle Joint'''.
 |-
 || '''Slide 2'''
@@ Line 29: / Line 29: @@
 * '''Windows 11 OS '''and
-* '''FreeCAD version 0.21.2'''
+* '''FreeCAD''' version 0.21.2
 |-
@@ Line 177: / Line 177: @@
-Click on the line, and click the '''Constrain horizontal''' '''distance''' tool.
+Click on the line, and click the '''Constrain horizontal distance''' tool.
-Change the length to 80''' mm'''.
+Change the length to 80 ''' mm'''.
 |-
@@ Line 279: / Line 279: @@
-Click ok in the '''Combo view'''.
+Click OK in the '''Combo view'''.
 || Now select the back face of the square, to set it as a reference.
@@ Line 307: / Line 307: @@
-In the drop down, select O'''ctagon'''.
+In the drop down, select '''Octagon'''.
 |-
 || Place the cursor in the middle of the plane.
@@ Line 353: / Line 353: @@
-In the '''Insert length '''dialog box, set the length as 15 '''mm''' and click OK.
+In the '''Insert length '''dialog box, set the length as 15 '''mm''' and click '''OK'''.
 |-
 || Click '''Close''' in the '''Combo view'''.
@@ Line 371: / Line 371: @@
-Change the length to 40 '''mm''' and click OK.
+Change the length to 40 '''mm''' and click '''OK'''.
 |-
 || Select the '''datum plane''' in the combo view.
@@ Line 403: / Line 403: @@
-Select the bottom face of the octagon and click ok.
+Select the bottom face of the octagon and click OK.
-|| Now select '''Create a datum plan'''e tool from the tool bar.
+|| Now select '''Create a datum plane''' tool from the tool bar.
@@ Line 414: / Line 414: @@
 Select '''Create sketch''' tool from the tool bar.
-|| Now select the '''datum plane''' from the '''Model '''tab if not selected.
+|| Now select the '''datum plane''' from the '''Model ''' tab if not selected.
@@ Line 465: / Line 465: @@
-In the '''Combo''' '''view''' change the length to 25 '''mm''' and click '''OK'''.
+In the '''Combo view''' change the length to 25 '''mm''' and click '''OK'''.
 |-
 || Select the '''datumplane''' from the combo view.
@@ Line 471: / Line 471: @@
 Press the '''Space''' key in the keyboard.
-|| Now select the '''datum plane''' in the '''Combo''' '''view''' and press '''Space''' bar to hide it.
+|| Now select the '''datum plane''' in the '''Combo view''' and press '''Space''' bar to hide it.
 |-
 || Click on a blank space.
@@ Line 486: / Line 486: @@
 Select the other intersection line between the ring shape and the rectangle.
-|| Now select the '''Create''' '''fillet''' tool from the toolbar.
+|| Now select the '''Create fillet''' tool from the toolbar.
@@ Line 529: / Line 529: @@
 Point to the edges shown in the Preview.
-|| In the Combo View Fillet Parameters window opens.
+|| In the '''Combo View Fillet Parameters''' window opens.
-In the Preview all the four selected edges are shown.
+In the '''Preview''' all the four selected edges are shown.
 |-
 || In the '''Combo view''' change the radius to 3'''mm''' and click ok.
-|| In the Radius field change the radius to 3 '''mm''' and click OK.
+|| In the Radius field change the radius to 3 '''mm''' and click '''OK'''.
 |-
-|| Only narration.
+|| Turn the component to show it clearly.
 || You can now see that the component is ready.
 |-

FreeCAD/C3/Eye-end-part-of-Knuckle-Joint/English - Revision history

Madhurig at 11:40, 4 December 2024

Madhurig: Created page with "'''Title of the script: Eye end part of Knuckle Joint.''' '''Author: '''Dr. Sathiya Narayanan, K. Sakthivel '''Keywords: '''FreeCAD, Part Design, sketcher tools, datum plane..."