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24-04-2015 #1
Hi All,
I need advice on what type/power of 4 axis CNC Machine to buy/build. I've looked at all the eBay offerings and various plans/kits for 3040 sized machines. There is plenty of choice but I have too little experience to make an informed decision, so I thought if I describe the most difficult jobs I want to do, the more experienced of you could prevent me wasting money on the wrong machine. These are the two most difficult jobs.
1. We want to use the 4th axis to cut/grind grooves in the stems of car engine valves. The material used is hardened steel, 6mm diameter. The grooves need to be upto 1mm in depth.
2. We also need to shape billet aluminium to form small con rods for a small petrol engine. The blank rectangle of aluminium we will start with will be 80mm long x 50mm wide x 20mm thick.
Will I need an industrial machine for these?
Regards
Gary
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