if you need something small, consider one of these: http://cgi.ebay.com/WidgitMasters-Pr...QQcmdZViewItem
a very nice machine that member Widgetmaster makes.
i need a little cnc machine for fast prototyping pcb that contains TQFP 64 pin ic packages. can i achieve this resolution-precision with using gecko 203 drivers for 3 axis, 1.8 degree stepper, and proxxon mf70 ?
is there any good , low cost alternative? http://www.k2cnc.com/shop/proddetail...%2D2514&cat=26
what is your opinion about this product? has it anought precision?
is gecko 203 right choice?
what is the most little milling-cutter pen? is 0.01 mm possible?
To a get a system that will hold .01mm you are going to spend alot more than any of the machines you are looking at
The machines you mentioned might hold .025mm, I would look at a Minitech if you are serious about holding .01mm or better.
Also you might want to look at a NSK Astro Spindle Motor because the runout might be a problem otherwise.
Plan on spending about $12,500.00
See attached link
Example (produced with A360):
- TSSOP 38 pins with 8 mils pads and 7.5 mils insulation + full
copper rubout. Manufacturer states 4 mil traces, 4 mil insulation are OK.
- screen shot from the software