[javabugz]

My previous CNC was a CNCPRP Pro v-con system. It was ok for small jobs but not rigid enough for serious 3D carving. I was also having problems with achieving accuracy +/- 0.005 for certain parts. I was told to upgrade to profile linear rails to improve on its accuracy. It was quite a bit of money upgrading all 3 axis. I'm also looking for a larger machine to take on 4x8 jobs. I decided to sale the old system instead of upgrading.

I sold the old system and I'm building a second one, largely follow CNCRP Pro design, 4x9 LVL base and 40 series extrusion with some steel reinforcement. The overall size is about 62" x 120". I'm planing on using HGH25 rails for both X & Y axis, CNCRP Pro rack and pinion drives, and Clearpath servo. Controller will be UC300 + UB1. For Z, stock Z axis from CNCRP combined with HSD 1kw spindle (for now) and Delta 2.2KW VFD.

The aprons on the base are 14" wide and 1-5/8" thick. They rest on 1/2" rabbets on each leg and will be glued to the leg with through mortise/tenon reinforcement using Festool 12mm dominos.