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A new book that BYOAC cabinet builders might enjoy...
ChadTower:
--- Quote from: GAtekwriter on November 10, 2009, 03:16:27 pm ---That's how I purchased it - four 2x4 sheets of MDF, pre cut. Still heavy, but one person can load a sheet by him/herself.
Jim
--- End quote ---
Ed was bringing up an old joke directed solely at me - I once posted a really stupid question about loading MDF into a truck. ;D
He wasn't talking about anything related to your CNC.
Neverending Project:
By all means, I prefer cheaper. And by cheaper, I mean less expensive. I was trying to get an idea of what it will look like when done. Is the first pic attached in your first post on this thread the one detailed in the book?
I have been to his website before (buildyourcnc.com). I was thinking about the way he built an "ugly" CNC from very basic tools, and then used that CNC to build a "pretty" CNC, with precision cuts, etc. And thus, I was really trying to figure out where this book-built-machine falls with respect to that. But it seems like it will be the one you keep and use, versus the one your build to learn, and then build another.
But I suppose a lot of that depends on what you intend on using the CNC for in the first place. I am looking forward to it. Thanks!
GAtekwriter:
Yes, the very first picture I posted for this thread shows the actual CNC machine covered in the book. The only modification that has yet to be made on it is cutting the hole on the router base for mounting a dust removal tube (or vacuum)... haven't decided if I want to just manually remove dust with my shop vac or mount something more permanent.
I would say this machine is as close to perfect as you can get without cutting the parts with an actual CNC machine... Fortunately the MDF design is very forgiving, with small deviations of 1/16" here and there easy to fix. And if you completely mess up a part or drill it wrong (which I did a few times) it's extremely cheap to cut another one. The Home Depot I purchased the 2x4 sheets from even sells smaller 1x2 panels... yay!
thatitalian:
How long would it take to build and how accurate would the cutting be?
GAtekwriter:
Thatitalian: The only answer I can provide for accuracy is "depends on the time and energy you put into measuring, cutting, and drilling the parts correctly." My dad and I took our time building our two machines... in some instances, we recut pieces that we felt were too out of tolerance (typically more than 1/16").
Take a look at the video I linked to in previous message ... that should tell you a little about the level of complexity that it can cut.
And time to build? We didn't track it unfortunately, but counting the weekend days we spent on it (Sat and Sun) - I made 6 trips to Florida during the build - and we never worked more than 10 hours on any given day, so the maximum time we put into TWO machines was 120 hours... divide that by 2 and figure 60 hours per machine to build... likely less since I had to interrupt our build quite often to take photos, shoot video, and write down notes for the book. I would guess between 30 and 45 hours would be a realistic expectation... please let me know if any of you build this machine and track your time spent as I sure would like a more accurate estimate.
Jim
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