DIY CNC 009 - Surface Board, Spindle Installation & Electronics Overview

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This video demonstrates the installation process of the CNC's base surface board. This involved drilling and tapping six holes on each of the cross-section pieces to securely fasten the surface board. Additionally, I made minor adjustments to the Z-axis, enhancing the spindle mount position for more flexible mounting options in the future. An issue was addressed where the Z NEMA motor plate protruded approximately 5mm too far, causing the spindle to interfere during upward travel. To resolve this, I cut a 10mm notch into the Z NEMA plate, allowing safe passage for the 2.2kW spindle. Towards the end of the video, I provide an overview of the necessary electronics to operate the machine, setting the stage for next week's video where I'll focus on wiring up all the electronics.
00:00 Intro
01:00 Surface Board Machining & Installation
20:38 Z-Axis Modifications and Improvements
27:40 Electronics Overview
40:03 Outro
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▶▶ Watch the whole series of videos:
▶ Part 1: • DIY CNC 001 - Introdu...
▶ Part 2: • DIY CNC 002 - Specific...
▶ Part 3: • DIY CNC 003 - Tools fo...
▶ Part 4: • DIY CNC 004 - Drilling...
▶ Part 5: • DIY CNC 005 - Y-Axis F...
▶ Part 6: • DIY CNC 006 - Gantry A...
▶ Part 7: • DIY CNC 007 - Z-Axis A...
▶ Part 8: • DIY CNC 008 - Linear ...
▶ Part 9: • DIY CNC 009 - Surface ...
▶ Part 10: • DIY CNC 010 - Closed L...
▶ Part 11: • DIY CNC 011 - VFD and ...
▶ Part 12: • DIY CNC 012 - Electric...
▶ Part 13: • DIY CNC 013 - Configur...
▶ Part 14: • DIY CNC 014 - Motor Tu...

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[@BritalianChap75]

Mate, this is turning into a beast. Legend.

[@jimbossimrigs7961]

Well done Gareth, this is fantastic. You are going to be UT famous at the end of this series, its so professional and well delivered 👍 Nice work.

[@spacemansproggit5627]

Great video. Depending very much on your use case, one type of water pump that *might* be worth looking at would be say the D5 pumps used in water cooling systems for PCs. That's because they're pretty much all PWM wired, which means you can control the flow really easily. One critical word of warning, however... the "impeller" (for want of a better word) of a D5 sits in a casing that uses the coolant fluid as a lubricant and which therefore won't like particulate contamination.
So if your head is just being cooled by a recirculating water jacket, a D5 [or maybe a DDC] pump might be a good 12v solution. But don't use if you expect your coolant to pick up particulate contamination.
Main reason for thinking of a coolant pump for a PC is that D5 pumps like that are designed to run for 10s of thousands of hours, so you shouldn't have any reliability or longevity issues. And the flow rates are pretty good.

[@thehardwareguy]

Thank you for the feedback and suggestions! I will certainly take that idea into consideration

[@xyzspec82]

Looking good 💥

[@30bkg]

Looking awesome! I did the acrylic like you were talking about on a smaller machine I built and it didn't really help, in fact it just gave the saw dust another place to collect and just made it more difficult to keep the rails clean. The new machine I'm building some sort of accordion type covers or something similar

[@thehardwareguy]

Thanks for the feedback! You make a great point, dust basically gets wherever air can get so I can see how the problem would persist. I like the idea of accordion type covers, I've seen a lot of industrial machines use them. I'll do some research on that, cheers!