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i have started my first router build. got a lot of great info from this site and the net. it's main use will be for cut out lettering and engraving in mostly plastics and a bit of aluminium for my sign business. it will be made mostly from a heap of scrap alu. i got really cheap ( channel, flat, etc. ) probally not the best but it will do. cutting size is 700mm x 580mm x 100mm. all 3 axis have linear rails and nsk ball screws that i got cheap of ebay. the ball screws have a pitch of 20mm, but im gearing the x+y axis 2:1 and the z 4:1 with pulleys. i have a size 34 + 2 23 steppers running from quickstep drivers. not sure of what controller yet, prob. mach 3. i will start with a router first, but would like to modify a mini mill spindle as well. anyway here is a first pic of some progress. |
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