I recently became the owner of a 3040T and am looking to upgrade it for small milling projects. The first thing I can see which would lead into the second, is the need for ballscrews over the 1204 T12 leadscrews. Would I need to take them out and measure them as a good place to start looking? I understand from my limited hands on (very new to CNC) that if I am able to source the ballscrew and backlash parts, I would then probably need to source bearings for the ends, NEMA steppers of a higher holding and moving torque, as well as better stepper drivers and controller/power supply. The spindle is a 500w 52mm, but I'm already in talks with someone on upgrading the carriage to accommodate larger (realistically) spindles. Any help and advice (aside from bad advice) is appreciated.

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