Building my own, hmmm.....I have 2 motorbikes, 3 rc helicopters, 7 rc cars, a house to do up. I'm not quite sure I have the time right now, although the prospect sounds appealing (depending what mood I'm in).
Thanks for the replies guys, I was starting to think I was on my own there for a while, like the leper kid at school. lol (we never had an actual leper at our school btw)RC
Being chained to the bed
Follow me: @CrazyLThirteen
A nice small strong fixed Gantry machine like Wal's but with profiled linear rails and nice fast spindle like 2.2Kw ER20 will serve you much better and for fraction the price of decent mill that wil most likely have an unsuitable spindle speed range for Ali.!
If you haven't got time to build one then you probably haven't really got time to convert one because there won't be a lot in it unless you buy a ready made convertion kit.!!
. . Mechanicly if your tooled up and know how to use them. Prepare well getting all the stuff together before proceeding and settle on design with a plan of attack then you'll build one in same time has stripping, making motor plates and adaptions or mods that most mills require.
Electronics wise there exactly the same amount of work.!!
I am a fan of OpenBuilds.org, I built this machine.
It is rigid enough for Ali(I am assuming this means aluminum) and can be modified to your work envelope needs for a very reasonable price.
I have used a couple of USB style controls for other projects and found that I dislike Mach3 and USB communications.
So I found Planet CNC MK3 that has Ethernet connection and it works great. The 3D digitizing works great and is easy to setup.
I wanted closed loop, which is usually $170-$200 an axis. I found an integrated Hybrid stepper that is closed loop with the drive integrated in the motor, NEMA 23 for $70 each plus $50 shipping for 4 motors.
The routers and small DC spindles will not work very well in Ali, so I went with this spindle and VFD setup.
This spindle is a beast and the 800W version will work also. You will have to make a mount for this spindle because the OpenBuilds mount is 72mm and this spindle is 80mm.
CamBam is a great cam software for the money, and the Planet CNC software has a conversational programing also.
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