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General Mach Discussion / Lagun and Supermax retrotfit advice sought

« on: July 26, 2011, 09:45:11 PM »

Never having owned a mill, I recently took advantage of an opportunity to purchase 5 mills with 2 axis Crusader II contollers. 4 of the mills are Lagun FTV-1 units along with 1 Supermax YCM-16VS. I'm told that the controllers do not work, which did not deter me as I intended to perform a conversion regardless. To that end, I'm looking for a bit of advice on the best way to proceed with the conversions. I intend to upgrade 2-3 of the machines with new servos after they are scraped and the tables are ground. I'd also like to have more spindle speed as most of my projects involve aluminum.

Questions:

- What size of servo is recommended for each axis on mills of this size?
- Do solid designs exist for the quill Z axis conversion? To date I've only been able to find information on the Elrod kit but I'd prefer a somewhat DIY approach.
- What's the best way to approach the spindle speed increase requirement? I'd like to be north of 6000RPM if it's feasible.

I intend to open source the designs of any components developed during this conversion process for others to benefit from.

Any advice the members here are willing to share will be greatly appreciated.






I also picked up a really nice Mighty Comet in a separate transaction with a 10x50 table that I'll probably keep manual for the time being.