DIY CNC 006 - Gantry Assembly and Bracket Installation

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I've reached another significant milestone - I've successfully assembled the entire frame for both the Y and X-Axis. This involved machining various smaller components like the ball screw bearing plates, Y-Axis motor plates, and Y-Axis bearing blocks, all of which required precise machining to ensure top-notch performance for the machine. The most exciting part of this update is the machining and assembly of the X-Axis gantry. It really brings the machine to life and demonstrates its incredible capabilities and strength.
In terms of value for money, this DIY build is hard to beat; you won't find a CNC machine of this size with a frame as robust at this price point anywhere else in the market.
00:00 Intro
01:04 Overview of the Parts and Technical Drawings
10:09 Machining the Parts
12:59 The Challenge of Drilling Larger Holes
15:15 Drlling and Tapping Holes to Attach the Brackets
24:33 Brackets Installed
25:02 Joining the Bearing Block and Gantry Side Plates
33:47 Drilling the Remaining Holes in the Gantry Side Plates
35:10 The Most Difficult Hole of the Project
39:10 Cleaning Oil off the Parts and Deburring
42:26 Aligning and Machinig the Gantry Back Plate
47:11 Make do with what you have
52:17 The Lost Tapes / Outro
55:04 Discord
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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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[@thehardwareguy]

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[@xyzspec82]

I agree... There is nothing like building your own CNC. I'm glad I did it. 😅

[@thehardwareguy]

it's real fun and I'm learning a lot! it also gives me the confidence that I can upgrade any component in the future or even build a bigger machine

[@user-us3dp7tb3m]

Very tidy build. Thanks

[@karlbarton6543]

Turning into a beast

[@ElectricGears]

Hole saws work in wood because they grind the sawdust in to a powder which can eventually work it's way out of the kerf, with metal that doesn't work. One tip I have heard is to drill one or two smaller holes (like 5mm) on the inside of the larger hole so they are tangent to the circumference of the larger hole. They will allow a place for the chips to fall out of the teeth instead of packing solid almost immediately.
Another one is if you don't have material for the pilot bit, you can use the hole saw to drill a guide hole in a scrap of wood and clamp the wood to whatever you actually want to cut. It also works if you accidentally used the wrong size saw and need to enlarge an existing hole. If the guide hole is too lose and you can't start the saw easily, you can cut a slit through one side of the guide, then clamp it together. The removal of the width of a hacksaw blade from the circumference of the guide will make it a bit tighter.

[@thehardwareguy]

Great tips, thank you for your input 👍🏻

[@raymondholyhead720]

If you drill the wrong size tapped hole you can use a helicoil to bring it back to the right size

[@markyu70]

Huh.... A lot of work. It would be easy if you made most of these parts by CNC. I would do all this holes more precise and better on CNC in 2 hours of mostly drawing. One tip: when you lose guiding hole put a part of wood which doesn't have to match exactly, just hammered square part of wood and it would do the job for bimetal saws. I used cordless drill for taping steel and aluminum and it seems to be much better.

[@thehardwareguy]

Yes of course it would be much easier on a CNC. Unfortunately I do not have a CNC capable of that (hence why I'm building this one by hand). I will likely perform upgrades for this machine and CNC it on the machine when it's operational. Great tip with the block of wood! I'll use that next time