MrBallistic31 – Another one with BD Tools mounts and a whole bunch of other machining videos. Xnaron – G0704 CNC’d with the same parts as mine – some neat quadcopter stuff too. Jmillerid – Blog entry also about the Hoss plans on a G0704, his Controller has to be the best DIY I’ve seen. He used the Hoss Machine plans for his, so he also gets extra credit for that. Russtuff – Has a lot of Machining related videos and a G0704 series of videos much better than my own with excellent narration. Here are some links you may find interesting if you enjoyed post. Ruland OST21-6-A Oldham Coupling Hub, Set Screw Style, Black Anodized Aluminum. Ruland OD21/33-AT Oldham Coupling Disk, Black Acetal, Bore, 1-5/16″ or 33.3mm OD Links to Amazon product pages for those (3 of the Disks, and 6 of the Hub’s for a 3 axis Machine) – Here you can see the Ruland Oldham on the right and the Lovejoy L-50 on the left. The Lovejoys have quite a bit of play in them and introduce significant backlash, the Oldhams are more expensive (which is why I went with Lovejoy at first) – But offer much better performance. Note – I switched the Lovejoy couplings out and now use Oldham style, which I bought from. the rest of the work begins such as adjusting gibs, checking backlash etc etc. The 3 bolts that help hold the head onto the Column are my least favourite part of the entire project. The Z is pretty simple, but as you can see in the video there are a lot of bolts to either tighten or loosen and no easy way to do it. I plan on buying a new saddle and using the CNC Mill to make oiling channels in for a one shot oiling system. I tried using a drill press and end mill but it didn’t work out and resorted to an angle grinder. The Y Axis installation required some grinding of the Saddle. I’d already removed the Table and Column before when I broke it down as much as I could to carrying it into my basement so I was familiar with that and it went smoothly. Other than the little bit of grinding grit everything else was fine and fit well into the 12mm bearings. I was missing 1 ball from a RM1605 Nut, I emailed Chai again and he shipped me a package of several balls. I took the screws apart to clean some dirt out and to count the balls (17 per circuit in the RM1605 and 20 per circuit in the RM2005). I sent Chai from linearmotionbearings2008 an eBay message with the Ballscrew and Nut specifications I received with the mounts and soon received them in the mail. ![]() The bearings and ballnut mounts billy makes call for 16mm Diameter with 5mm pitch Balslcrews for the X and Y (RM1605) and 20mm with 5mm pitch (RM2005) for the Z. I cannot speak highly enough of Billy – his customer service is amazing and the quality of the mounts is excellent. I’d made my own motor mounts when I converted the X2 using plans I bought from Stirling Steele and I even bought the Hoss DVD with his plans but decided to go with BD Tools/ALM Design/Billy Stepper and Ballnut mounts to make the process go a little faster (plus his parts are many orders of magnitude better than anything I could make). Next was a wait while I went through my options.
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