How To Find Exact Center On A Round Project
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- Опубликовано: 4 янв 2024
- In this CNC tutorial, I will explain how to find the exact center of round projects on CNC Routers (or any CNC machine). This guide is essential for woodworkers, focusing on the precision setup of CNC projects.
I will also explain the crucial role of having grids cut into your spoil board. These grids are not merely lines but essential tools for precise alignment of CNC router projects, ensuring they are square and accurately placed.
What Will You Learn
1. Grid Utilization: Learn how these reference lines can provide a dependable method to align and center your CNC router project woodworking.
2. Manual Date Interface (MDI): The tutorial includes a walkthrough of the Manual Data Input (MDI) or console interface. This is how you manually input gcode commands for direct control over the CNC machine.
3. G-Code Commands: I'll demonstrate how to use the MDI function, found in most CNC router control software, to enter the correct G-code commands for precise positioning.
Reference g-code to find the center from the theoretical lower left corner of a round piece of material.
For inches → g0g20x6.0y6.0 (for x and y, enter the radius of your material)
For metric (in mm) → g0g21x150.0y150.0 (for x and y, enter the radius of your material)
The video features a practical demonstration, showing how to move the CNC machine from a theoretical lower-left corner to the exact center of a 12-inch round piece of wood. This practical approach is aimed at providing hands-on experience with the CNC Router.
Woodworking precision is about more than just skill; it's about using the right tools and techniques effectively.
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1/4-1/8 precision reducing collet → link.idcwoodcraft.com/t3xnr7
How to make grids on your CNC router → • Why You "WANT" To Cut ...
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LONGMILL CNC ROUTER WEBSITE:
sienci.com/product/longmill-m...
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ROUTER BITS FOR CNC ROUTERS
→ 11pc carbide CNC router bit set (w/ free vector files) www.idcwoodcraft.com/11P-SET-W
→ 1” Surfacing bit required for surfacing your spoil board: www.idcwoodcraft.com/SU-10
→ Glass engraving drag bit: www.idcwoodcraft.com/ED-14
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OTHER ‘MUST HAVES’ FOR CNC ROUTERS
→ Calipers: amzn.to/338MAt3
→ Hearing protection (plugs don't work): amzn.to/2Hs1RgW
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Recommended Design Software
→ Vcarve Pro (RECOMMENDED)→ bit.ly/3d4WrEU
→ Vcarve Desktop → bit.ly/3D4CwjH
→ Vectric Aspire → shrsl.com/37pw9
→ Cut2D Desktop → shrsl.com/36xfm
→ Carveco (budget) → bit.ly/37rhVbY
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MASTER YOUR VECTRIC SOFTWARE with Kyle at Learn Your CNC
Take the full course ↓
academy.learnyourcnc.com/a/21...
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CNC FREE STUFF AND MORE
CNC Insiders sign up (free files and more): idcwoodcraft.com/cnc-lp2-free...
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NEW TO CNC OR STUCK IN A PROJECT?
Schedule one-on-one time with me: idcwoodcraft.com/for-beginners/
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PLAYLISTS
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CNC ENTREPRENEURS: bit.ly/3mxz6Ok
VECTRIC VCARVE & ASPIRE TUTORIALS FOR BEGINNERS: bit.ly/3pdmFsi
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Cool vector files for CNC router & CNC laser: etsy.me/3oxX79l
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CNC FOR BEGINNERS PODCAST: anchor.fm/cnc-for-beginners
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Garrett Fromme
Facebook: IDCWoodcraft
Website: www.idcwoodcraft.com
Email: garrett@idcwoodcraft.com
#CNCRouter #Woodworking #DIY #CNCProjects #MDIInterface #GCode #Tutorial #CNCWoodworking #RoundProjects
Get Your Musclechuck → link.idcwoodcraft.com/3uy0uf
Literally just ordered your round over bit yesterday, and now you mention it in this video lol. Looking forward to the video on it and the bit!
Kevin, that's a great coincidence brother! I should be having another video on round over bits out soon too, stay tuned!
Still a lil confused but slowly working on it. Thanks you are a good teacher
jeffjimenez299, Keep practicing and you'll get the hang of it in no time.
YAAAY!!! Sounds like a design and toolpath video using a round over bit is in the works.
I am so looking forward to that. ❤️❤️😃
Its going to help so many people that are wanting to put rounded edges on their projects.
Joe, I'm looking forward to getting it out to you soon! Stay tuned!
Thanks for the info Garrett!! I appreciate all of the details you share in your videos!
Mark, you're so welcome brother! I'm happy to help!
I'm surprised this topic needs its own video. 5th grade geometry class covered this
Douglasw, good point brother. Hope this video helped you none the less.
You can also use the center head of a combination square set to mark the center. Then place workpiece against L fence on the spoil board.
Kevin, you can absolutely do it that way too brother. It's really personal preference and what works best for you!
That works-but sure takes a while with lots of steps. I spent 18 bux for center finder line gauge and use it regularly. Super fast/easy. Mark center then set your x, y center of project on your mark.
Thanks for the video. When will you get Makita Muscle Chucks back in stock?
Same here.
jazzman247, fair enough brother! I'm glad it's been working well for you, I'll take a look into it. I recommend going to the product page and clicking the "notify me when available button" that way you'll be first to know when they are back in stock!
Great tip Garrett. But I believe that MDI stands for Manual Data Input 😅 I have used it many times on my CNC machines and haven’t come across the term Interface for the MDI. Could be that you are right too as we all know you know your stuff 💪😃 Hi to the whole gang at IDC Woodcraft 👋
Copablanca, good tip on the MDI brother! I could'nt agree more.
Loved the mdi information, I am going to see if I can use this to restart my spindle after an emergency stop!
It may be video parallax but the right side did not look like it lined up with your grid so either your measurement or your grid is off?
techturtle1964, glad you enjoyed it brother! Let me know how it goes. Thanks for letting me know, it seems like an issue with the angle of the video!
Great quick video tks
SamSpade, you are so welcome my friend.
What I do with gsender, is after I get my xy zero like you did. I go into the settings in the top right corner and select whether I’m using mm or inches. Then I go back out of the settings and click on the numbers by the x zero button a type -6.00, do the same by the y zero button -6.00. Then when I hit the go to buttons it will move over and up 6 inches putting it in the middle of the circle.
Brian, fair point my friend! I always recommend doing things the way that make the most sense for you. That sounds like a great method too brother!
Will the Muscle Chuck fit on the Shark 510 with 2hp spindle? Also any idea when they may be back in stock? Appreciate your videos!
BSAnimals_, Not yet! I have been working with muscle chuck to provide more options for machines like yours so thanks for your feedback on that one. Ill keep you in the loop! I recommend going to the product page and clicking the "notify me when available button" that way you'll be first to know when they are back in stock!
So, i see a flaw of sorts and maybe i am over thinking it but it seems either you stock is not that 12x12 or the grid lines are off. Seems something is out from the video you can see that the stock over shoots to the right and up top too, from your grid lines, am i wrong but the stock looks bigger then the grid lines for 12x12
Saw that too. Hard to tell from the angle of the camera, but I don’t think the piece was right on the left grid line.
Rick, my apologies if the grid caused you confusion brother. The intent was just to walk you through how to find the center, the camera angles may have made things look a little off!
Thanks again
Lawrence, always welcome brother!
To find the exact centre of a circle you need to draw to chords and then draw a straight line from the centre of each chord and right angle to the chord. Where the two straight lines meet is the centre of the circle
MehdiShatti, you can absolutely do it that way too brother. It's really preference of what ever way works best for you! As they say, there's a thousand ways to skin a cat!
You mentioned that your grid lines were 2 inches apart, yet when you positioned your 12 inch circles left edge on a grid line the right edge was past the grid line that was 12 inches from the left grid line. That would make your center incorrect.
Lol yeah i saw that too, and just questioned it too, if you look close its over at the top too, so seems either the stock is bigger then 12x12 or the grid lines are not quite 2x2 lol
Same
jscotcha, my apologies if the grid caused you confusion brother. The intent was just to walk you through how to find the center, the camera angles may have made things look a little off!
Why not just use your tape measure ?
You can always set spindle to your mark in center with your v bit and if in doubt then manually move in X@Y half the size . Measuring tapes I’ve been around forever and work well as long as you use the same one for the whole project.
With that said love the videos when they are not a commercial all the time. Love and use your bits an love them too.
Stay safe!
droneguy0265, you can absolutely do it that way too brother. It's really personal preference and what works best for you! I'm glad to hear the bits have been treating you well over there, I know you've been putting them to good use! Right on! Happy cncing brother!
Good Morning,
I am using V-carve Desktop, How do I match my work with the screen as in exact coordinates or is that in the G Code or am I wrong? is their cheat sheet for G Code and the key functions.
Thank you
Ed
Ed, this one is a little tricky to answer over comments. I recommend joining Kate and I for our weekly live sessions and we should be able to help walk you through it a little better there!
@@IDCWoodcraft okay what time is it at, I’m in Minnesota
🌵Oh! I've just been throwing a dart 🎯 at a square board and, when finished, I would just cut out a circle from the center 🤣🌵.
William, haha good one brother!
For over 50 years I have thought that MDI stood for Manual Data INPUT!
Jeff, I totally get that one brother!
👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍
Joe, thanks brother!
A lot of extemporaneous steps to do what can be achieved simply with a straight edge and protractor in about 15-20 seconds on any size circle utilizing basic 5th grade geometry.
Butch, I always recommend doing things the way that make the most sense for you my friend. Using a protractor and straight edge sounds like a great method too brother!
You can just use basic geometry, mark the center on the object, then zero on it.
constantinosschinas4503, you absolutely can do it that way too my friend! It really just comes down to personal preference on this one!
@@IDCWoodcraft What kind of homing switches do you have on the cnc? Because mechanical ones have produced really flaky homing in my experience with cheap cncs, to the point it was better to rezero in a bed hole each time, if the hole grid was to be used for anything requiring basic precision.