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02-01-2013 #1
Hi all,
I figured it was about time I started a proper build log since starting a thread in the new members section. Before I get into the details, a little background of myself. By day I am an Electronics Engineer and by night I am a keen hobbyist! I have built many projects, re-built a couple of motorbikes and fix my car on a regular basis (its french ;) ) but building a CNC router is something I've wanted to do for ages. Now I have some spare time (girlfriend depending!) and a little spare cash (girlfriend depending ;) ) I feel I can finally go ahead with one.
So here goes...I guess the first question to ask myself is what I want the machine to cut. To that I answer: Wood (MDF), Plastics (Acrylic, Delrin etc) but also Aluminium (basic plates/small parts).
I have kicked off a design in solidworks and have a VERY basic outline (not done any detail yet) of what I am looking to achieve:
Along the way I have already made some decisions on parts, as follows:
- 20mm Hiwin Rail/Carriages all round.
- RM1605 Ballscrews.
- FF/FK12 Ballscrew End Supports.
- 80x80 Profile 8 Extrusion for the Y axis supports.
- Chinese 2.2kW Spindle
- Nema 23 Motors.
- THK KR33A Z axis (Purchased this cheaply off ebay)
- Approximately an A3 build dimension.
Like everyone, I have a TON of questions to follow but will post those up separately when I get time to compile them all.
As always, I'm open to opinions/criticism! It may well be that the whole design changes before I start ordering parts.
Best Regards,
Dave
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