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CNC Machining and Gcode for Simple Slot | FreeCAD Path Workbench | FreeCAD Tutorial | FreeCAD Gcode|
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May 19, 2025
#FreeCADGcode #FreeCADPathWorkbench #freecadtutorial In this Tutorial I have Explained CNC Machining and Gcode for Simple Slot in FreeCAD using FreeCAD Path Workbench. ▶️ Get my Complete FreeCAD Course : From Zero to Expert ! https://ko-fi.com/s/1ab4385434 ▶️ Join my channel membership and keep supporting my work: https://www.youtube.com/channel/UCcn6z2whMaFu-_LDsEXCfVA/join ▶️ Visit my website for more info on FreeCAD-: https://mechnexus.com/ ▶️ Download Source File of Tutorial-: https://mechnexus.com/mechnexus-youtube-tutorial-source-file/ ▶️ 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
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0:00
Hello friends welcome to FreeCAD tutorial and in this tutorial we will learn about the pathwork
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bench in FreeCAD and how to use the pathwork bench for the machining and create the g-code
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and how to use that g-code in a universal g-code sender so as you can see that I have did a simple
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machining operation for this slot using the pathwork bench and I can show you the operations
0:31
so first I have to activate the pathwork bench so I will go here and activate my pathwork bench
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and I will say ok now here I will go to the simulations
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and I will show you that is how material is being removed
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so this is very fast I can decrease my speed here see how tool is moving
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so I will show you from the scratch how I did it so first I will delete my all
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this path workbench which I have created here I will say delete now it is a very
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simple plate by 100 by 200 with a pad thickness of 10 and here is a cut and cut dimension are
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here is a r20 and center to center it is 100 so in pathwork bench once you activate the pathwork
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when you may not see the all the option of a path workbench so go here and click on the
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all the tools of a path workbench so create the machining operation for any part first you have
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to create a job so first i will select on here create a job so it will show me the body so here
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is a body one I will say ok and here once you activated your job then you will see stock
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material so it is showing the stock material of all the directions x y and z one but it
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is a very simple part for me and it is a definitely cut from a sheet so this part is not very
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precise for me I just wanted to remove the material to fix my bolt so even
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though surface finish is also not important for me so it is a very rough cut so i do not need this stock material but in the case if you are doing the machining operations for any part which has the
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fine surface finish like 6.3 3.2 then you need this stock material and you have to create the
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machining operation for all these phases so in this case I do not need any stock
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material so I will make this value 0 so you can see that now my stock material has been removed now we will go
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the tools option here in the tool options we have the default tools here so I will
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go with the default tools but if you are not to use the tools you can from here
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you will see in program files free cad mod path and tool and tool bit you will
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get here drill end mill thread cutter wall ends but it is the first tutorial on
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path workman so i will go with default tools and then i will keep the rest of the values
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as it is and here in the output here is the processor so which which is a basically machine
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processor so here I will go for the Linux CNC and I will say ok so here my job has been created
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now once the job has been created we will select the our machining operations so here we are going
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to select this one pocket shape so as this is a pocket so we will select for the pocket face
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so for that I will select all the faces of my pocket and I will select all faces
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and all faces has been selected so I will select for this pocket operation I
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will say ok and now here we will go one by one so base geometry base geometry is
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the faces which I have a selected and if you select on this faces the faces will
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be highlighted in your model and then for the extensions so I'm not going to
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use any extensions here in a depth I will keep add it is height clearance
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height or safe height I am not going to change any things and in the operations
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so in the operations we are using the default tools and here cut mode is a
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climb and zigzag so here I will select the zigzag if I select zigzag then it it will remove the material with 45 degree so let see that how it works in a zigzag so I will say apply and I will say ok now you can see the
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here is the path of my tool if you click on that it will highlight a arrow this
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means that my tools will move in this directions so now I will select my job
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and go for the simulations and I will play it so as we have selected for the
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zigzag so it is removing the material in a zigzag format so you can see that I'm
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not very happy with this because here it is a material stock so we have to select
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some different operations so I will I will go to the my job and I will go to
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the operations and I will select my pocket shape so instead of the zigzag I
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will go for the offset and I will say apply so in offset method what will
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happens this my tools will move in these directions and then it will go to the
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middle and again it will complete our other machining operations so let's see
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that how it happens so here I have a change it from the offset now I will
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select my job and go for the simulation and now here I will decrease my speed to
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6 and I will play it so now how tool is moving
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so we can see from the top view as well so in offset method it has removed the
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material in very better way and it does not left any stock material here so
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which is fine for us now we will close it now we will create a G code from our
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our operations and we will use this g-code in a universal sender
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select our job and then go for here post process and select on it
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and i will share my g-code save my g-code here so i will give some name g
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code for simple slot simple slot underscore i will say r1 and i will save it
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my folder and i will save it so you can see that it has shown me the g-code here
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the g-code has been generated i will say okay now g-code is the most common CNC code which
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any CNC machine in the world can understand it and we will see our G-code in a universal
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G-code sender which is a open source software so if you search over the google universal
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G-code sender so you will get here the github page of the universal G-code sender and just
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install the latest version by going to the download sections here so install this stable
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release if your system is a 64 bit as I have already installed it so I will show you then
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go to the once you extract the file then go to the bean and go to for the 64 bit and run
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it so your universal g code sender will run now this is our the universal g code sender and here I'm not going too much
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more about the machining operation of the part but here you can select your
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firmware and select for the port and then connect it so this is the universal
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G code sender you can use for the machining operation and I think I have
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not much more experience about its universal G code sender but if you
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search over the Google then you will find lots of tutorial how to use the G
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code in a universal G code platform so this is the very basic tutorials about
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the removing the material office of a slot with the help of a path workbench
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and create the g-code and import that g-code into the g-code sender and in
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upcoming tutorials I will cover the more operations like g-code for the holes and
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any parts which has the surface finish and we require the stock of the material
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so overall overview of this tutorial is to get familiar with the path workbench
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this is a very basic tutorial and I will come with more advanced to learn on a
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path workbench on upcoming future so if you like my video and if you like my
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method of teaching then you can support me by liking subscribing and share my
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video your small support will help this channel to grow thank you for watching
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and thank you for your valuable time
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