Thread: mill build semi scratch
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21-07-2021 #1
have i bit off more than i can chew...maybe time will tell
i wanted a bigger mill , i currently have a denford triac atc running off mach3 which i will end up selling .
so i bought from a friend a far too big vmc for my home garage .
it has a 7.5kw spindle 3ph
control techniques vfd
centroid m400 controls
bt40 atc
centroid servo motors
linear guides
rtk3 control board
32mm lead screws
etc.
unfortunately the base and z tower castings are massive
knowing it was physically too big the plan was too break it down ,
cannibalise the parts i could reuse and build myself a machine from scratch with 240v 1ph supply .
so i will need to build a frame to mount the y axis and z axis on
i plan to use the original table with the original x axis
so i will need some help in the design ,im in no rush i suspect it will be a year or so before its finished but guidance on the best direction to go in will be a great help .
i will definitely keep the ball screws linear guides x table . hopefully the servos and their controller if i can modify the rectifier with a big capacitor for 1ph.
i would like to keep the m400 and rtk3 but i imagine the plc will need modifying by someone who knows their onions .
but if not maybe centroid acorn and a pc
i have a feeling the very heavy 7.5kw 3 ph spindle will be too much so that may have to go and something smaller may be required .
any help
do's
don't do's
would be appreciated
thanks
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