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29-04-2017 #4
Bought 2 1m ballscrews now so I have
A strong aluminium frame 1.6m*1m made with heavy duty profile
2 supported rail 25mm slides (With new bearings) will cut to 100cm
2 linear rails with sliding blocks (HWin) 1500mm long with 4 blocks
1 Ballscrew 1400mm long RM1605
2 ballscrews 1000mm RM1604
The fittings for the ballscrews, motor couplings, etc.
Most of a z axis (25mm smooth rod & bearings, 20mm ground ballscrew travel 20cm) I will need to decide how much travel I need and cut down and machine to fit.
2 nema 23 motors (I have these working)
Arduino Uno, CNC shield
Nema 23 mounting plates
Probably more stuff
The budget has been taken outside like old yellow and a bullet has gone in it's head. I am now working on a budget that I bought an xcarve (Which I was seriously considering but in the end decided I could build something a lot better for a lot less and also the satisfaction of building your own and of course I have a lot more wiggle room for upgrading.
Now is the waiting game as I ordered cheap ballscrews from China to get it working (C7) this will be fine I'm sure for my first cnc. When I get some cash in (I already have some jobs for the cnc I outsource at moment.) I will upgrade the ballscrews, cover the frame in 5mm steel (The Y axis will get only 3mm to keep weight down). I also will swap the 2nd hand supported rail for new from zapp.
I now need a spindle but totally wiped myself out financially.
I have some work for this machine so when it does work I will use the money made to upgrade the machine (Looking at slides, ballscrews and electronics also encase frame in steel) and I need to build an 8*4 which will be for wood based products only.Last edited by Desertboy; 29-04-2017 at 08:45 AM.
http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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