If you have found the best spindle for your CNC router for a spindle upgrade, one thing that must be done is adding dwell to your post processor. In this video, I upgraded my Longmill MK2 from the Makita trim router to a spindle by a company called Pawn CNC (PwnCNC).
When you upgrade your CNC router to a spindle, you must add a brief pause (dwell) in the G-code program to allow the spindle to reach its RPM. Without this pause, the spindle can start a cut before it is fully up to speed, which can break router bits or damage your project material.
In this tutorial, I explain how to modify your post processor to automatically insert a dwell command when the g-code is written. It will insert the command immediately after the ‘spindle-on’ command (M3). This ensures your CNC router waits for the spindle to speed up before commencing the cut.
Using Vectric design software as our demonstration platform, I'll guide you step-by-step on how to locate and edit your post-processor file to include the G04 dwell command, which is the g-code that initiates the dwell. For those not using Vectric, the principle remains the same: find your post-processor file in your directory and apply these adjustments accordingly.
The dwell command (G04), followed by "P" and a numerical value without a decimal point, specifies the pause length in seconds.
What the dwell command line should look like → G04P5
This command will pause the CNC router for 5 seconds
Upgrade your CNC router to a PwnCNC spindle kit → link.idcwoodcraft.com/rll7p6
NOTE: It is recommended to upgrade benchtop CNC routers to the 65mm unit, not the 80mm unit
*** Upgrading to a spindle? Read this article → link.idcwoodcraft.com/pcxubx
Spindle plug-and-play kits are available for Onfinity, Millright, Shapeoko, CNC4Newbies, Masso controller, etc
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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...
Get Weekly LIVE Training ↓
academy.learnyourcnc.com/a/21...
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Words are the top-selling items of all time with CNC products. Get the free WORDS THAT SELL list: idcwoodcraft.com/cnc-lp-1/
Join CNC ENTREPRENEURS Facebook group: / cncentrepreneurs
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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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PLAYLISTS
CNC FOR BEGINNERS: bit.ly/3rg4WTl
CNC ENTREPRENEURS: bit.ly/3mxz6Ok
VECTRIC VCARVE & ASPIRE TUTORIALS FOR BEGINNERS: bit.ly/3pdmFsi
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If you currently own a CNC router, please take a moment to take this survey to share your experience with it: bit.ly/3r5XzNh
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Please support the IDC Woodcraft KZitem channel:
Buy me a cup of coffee: www.buymeacoffee.com/garrettf...
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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: fb.me/IDCWoodcraft
Website: www.idcwoodcraft.com
Email: garrett@idcwoodcraft.com
#CNCUpgrades #SpindleDwellCommand #GCodeTips #CNCProgramming #VectricTutorial #RouterSpindleUpgrade #CNCMachining #CNCrouterTips #PostProcessorModification #DIYCNC
Негізгі бет Spindle Upgrade... You MUST Add A Pause (dwell) Command! [CNC Router]
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