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Understand Sheet Metal Part Modeling in FreeCAD | FreeCAD Tutorial | Mechnexus |
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May 19, 2025
#freecad #freecadtutorial #freecadpartdesign In this video I have explained Sheet Metal Part Modeling in FreeCAD. ▶️ Visit my website for more info on FreeCAD-: https://mechnexus.com/ ▶️ Get my FreeCAD Crash Course for beginner-: https://ko-fi.com/s/db924b973e ▶️ Download Source File of Tutorial-: https://mechnexus.com/mechnexus-youtu... ▶️ Buy Me a Coffee I am very grateful that you watch my videos and I am constantly trying to improve the quality of the videos on this channel. If you'd like to help me do this, please consider supporting me so that I can to continue to produce content for your enjoyment. 👉 Help support this channel by buying me a coffee: https://ko-fi.com/mechnexus All donations will be used to purchase equipment to improve my productivity and increase the quality of the content that I produce. Your kind support will help to grow this channel. Even if it's just enough to buy me a coffee every little helps and this will be repaid in full through my sharing of knowledge.
View Video Transcript
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hello friends welcome to free CAD tutorial and in this tutorial we will
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model this sheet metal part in a free CAD with the help of a sheet metal workbench
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and I will show you from the scratch how you can do it in free CAD you can also
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visit my website macnexus.com where I write articles and tutorials on a free
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CAD you can also download my tutorial source frame from the here you can also
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support my work by buying my free CAD crash course for beginner it is a very
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basic level course for the beginner user where a beginner user can master the
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free CAD and you can also support my work on coffee.com you can buy me a cup
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of coffee you will get my website link and my Ko-Fi donation page link in a
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video description so first I will create a new file and I will create a body and
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before starting the tutorials we will read our drawing so if you are feeling
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difficulty to see the dimensions then do not worry I will provide the source file
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and 3d model in the video descriptions so here we will read our drawing so first
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we will make this base flange and we will build our feature from bottom to top and at
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the last we will make this hole. So let's start. So I will create on the sketch and I will switch to the orthographic and then isometric
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and I will select this top plane and I will draw a rectangle and I will switch to the
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isometric so as per our part orientation this is our side view and this will be our front
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view so according to that we will give our dimensions so I will click on the
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dimensions and I will give it 48 and this one is a 56 now I will move to the top
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and I will make it symmetric so I will select this point this point and the
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center point and I will come out of this sketch so this is the our base sketch
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now we will switch to the sheet metal workbench and we will go to the tree
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view and select our sketch and we will click on make base wall now our base
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feature has been created if you want to see it property then click on the features
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and go to the property view then you will see that the radius and thickness
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of our base feature now we will make this flange one at a left hand side and
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other on the right hand side so this flange length is a 78 mm so we will
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select this H and this H and click on the flange now you can see that its direction is the opposite what we require so click on
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the bend go to the property manager and in property manager you will see an
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option of invert here so you can see that invert is false so just click on
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the true so you can see that flange has been reversed but we want our flange
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length at a 78 so click on the flange go to the property view click on the data
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and here you will see the length is a 10 mm so I will change it to the 78 and
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click on the graphical area so you can see that flange has been modified now we
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want to create one more flange at this so which is the radius is given the R6 so
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we will change the radius later so we will give the 6 mm flange so I will
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select this one and this one edge and click on the make wall so it has been in
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opposite directions so we will repeat the same procedure click on the bend go
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to the property click on the data and go to the invert and make it true
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so flange length we want 6 mm so I will go to the length and give here 6 mm so before that we will go to the our first feature and go
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to the property and then data and here radius we will make it 6 mm because as
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for our drawing it is a 6 mm now go to the second bend go to the property and
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Go to the third one go to the property and data and radius 6 mm
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So in this case radius is a 6 mm from the outside but our sheet metal thickness is a
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4 mm which we have not concluded while we starting but as free guide is a parametric
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part so do not worry. So we will go to our base features and click on the thickness and give it 4 mm
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So if our outer radius is a 6 plus 4 so our sheet metal thickness is a 4 mm outside is
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a R6. So inside inside radius would be 2 mm so we will go to our base features go to the property
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and data and we will give 2 mm. Now we will on our second bend go to the property data and radius we will give the 2 mm and
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then third bend on it and go to the property and radius here give it 2 mm
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okay so now we will go to do our tree view select this edge and this edge and
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we will cue our flange length click on the flange and select on the band go to
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to the property and then data and say invert true so total height is a 117 plus 15 so it
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is a 132 total one so 132 minus 78 so we will go to the flange go to the length and here
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we can give 132-78 so here we have got our final height now we have a made this shape
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per our drawing now we will remove the material so for the material removal we
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will switch to the part design workbench select the face and create on the sketch
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now we will project this edge project this edge and then I will draw a line so as this at this point is not
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given in a drawing so we will take it approximately and now I will project
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this edge also and I will select three-point arc and I will draw the three-point arc and
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I will make the tangent and I will also make it the tangent and this arc position is a 15mm from the edge so I will select this edge and I will select this point this point and I will give the horizontal dimension of 15 mm
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and now I will fix the position so I will select this point and this point and
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give my vertical dimension I would give approximate 50 mm and then I will give my angle so I will give select your angular and I will give
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dimension say 155 say 170 or 165
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now I will trim it and I will close the profile
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so instead of this arc I will create a circle which will be tangent to these two lines
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as we see our image so I will delete it and I will create a circle and I will
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make it a tangent and I will also select this line and this circle and I will
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make the tangent and I will select this and this and I will make the tangent but
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we will make this circle as a construction and now we will remove this
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unnecessary geometry and now we have the point here so I will simply draw a
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a three-point arc and I will make this and this equal and let's see what is the unconstrained
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I will select this and this and I will make the tangent okay now all we have to
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close the profile and remove the material so I will select the line I will join
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this point and this point and this and this point now we are seeing some
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conflict here so I will simply delete the dimension what is the conflicting so
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this constraint 13 and now I will close it and I will go with a cut and I will
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simply say through all and I will say ok so now we will see our model so somewhat
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we have achieved our profile now we have to remove the material at this portion
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we want to cut this material so for this we will select the face better to
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select the outer face this one and click on the sketch and I will project this
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arc and now I will simply project this to edge or I simply draw a circle that
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would be much easier now I will make this construction now I will project the
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h now I will select the three-point arc and now I will make it tangent first I
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will make it equal and this point is unconstrained so simply I can make it
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this two point horizontal now we have to remove the material so we will close the profile
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now here some dimension on the conflicting so merge it and I will project and I will make it coincidence
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constraint has been broken don't know why so now we have again constrained it now
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we will close the sketch and simply go with the extrude cut and I will say
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through all I will say ok so you can see that cut has been adapted now we will
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make this diameter 30 cut on our base feature here so better I will select top
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face or bottom face in this case no problem so I will select this top face
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and I will create a sketch as our part is symmetric so I will select the origin
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point and draw a circle and now I will give it a diameter 30 I will close it
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then go with the cut and I will simply say through all
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now we have to make this counter bore holes so for this I think we can go with
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a counter bore or we can go with a simple cut so I will select the face and I will create
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a sketch so here I will not use the whole feature I will simply use the cut operation
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so I will project the edge I will draw a circle the OD is at 20 so I will select this and
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and I will give the 20 and is the depth is a 1.5 so I will close it go with the cut and
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I will give it 1.5 and then inside diameter is a 14 so select this face and I will create
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a sketch sorry i will select this face create a sketch i will project the circle and draw
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a circle of diameter 14 so i will select this and give the diameter 14 and i will close
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it and I will go with the cut and I will say it up to face and I will say ok so why I have
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not used the hole features because it is a very simple type of a hole and now I will
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mirror this pocket 3 and 4 so for this I will click on this mirror command I will select
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pocket 3 and 4 click on ok as we have made our part symmetric so we will mirror it with
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respect to the exit plane so here I will select exit plane so you can see that
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mirror feature created now I will switch to the isometric so as you can see that
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we have a successfully converted this sheet metal drawing into the 3d model
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with the help of sheet metal workbench in free CAD I hope you have liked this
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tutorial if you like this tutorial then please like subscribe and share my
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channel one thing which we have to understood that here we are seeing the
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radius difference so we will go to the our again this flange this bend 0 0 2
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and go to the properties and give the radius 2 mm okay now we will go to the our last feature yes so this is how we have
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I have converted the sheet metal orthographic drawing into the 3D model
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