Hello;
I bought a Compumill 4000 knee mill from Ebay in January. It ran great until now. I do not know alot about electronics, but if I have to put a lot of $$$$ in circuit boards I will update the electronics. I have been reading some posts from zoners who are doing this, I do not fully understand what components are needed and the cost. If some conversion veterans could tell me thier opinions on what components to use I would be greatful. I will give you a rundown of what I know about the mill. It is a Compumill 4000 1986 model cold by Compumachine Inc. in Danvers Mass. It has a 5HP variable speed NMTB 40 spindle, travels are X=30" Y=17" Z=6" on the quill and about 14" on the power knee(not cnc just push button) It has Baldor UM3015 servo drive and Baldor 500oz/in servos, flood coolant, and power drawbar. This thing is huge standing nearly 9 feet high, the spindle is very quiet and smooth, I did a complete disassembly/cleaning so I know the turcite ways are in great shape, so I think it is well worth keeping. I live in central Ohio if some people would want to take part in a couple of weekend thrashes I will provide plenty of food and beer. Or just advice will be greatly appreciated.

Thanks in advance
Joe

If you sell the Dynapath 20 control let me know I am looking for one to put on an old bridgeport cnc. My other machine has that control and I like to standardize. greeder88@sbcglobal.net

The upgrade I thought was because the Dynapath would not work anymore. I since have found the problem(loose connector). I will stick with the Dynapath for now. I would like feedback from other zoners on compoments they prefer to use and why. This way I can plot a plan when I need or decide to upgrade. When I do upgrade I will sell or ebay the old electronics.

Thank you
Joe