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You need ti cut between 12 and 18 inches? are you drilling or milling? If you are trying to mill with cutters that are that long you are going to have major issues besides the machine capabilities.
Looking at the requirements for my router, I need some reasonable depth cutting abilities - somewhere between 12 to 18 inches.
obviously that's a lot of height to get on the gantry, and concerns me having a heavy motor acting on that great a moment around the x/y rails.
so.... thinking, about adding the motor, facing directly up, mounted to the Y rail trucks, then using a flexishaft in a large open loop to the z axis, the cutting shaft then being a long tube with bearings top and bottom with a collet chuck on the end. This will not only mean no weight being lifted on the z axis, which will keep the mass where its best housed, but also means that if I make the shaft for the tool correctly then there is no risk of having a router motor body being pushed through the subject material wherever a deep cut is needed.
BTW - this is mostly for foam/light wood work. Any thoughts?!
You need ti cut between 12 and 18 inches? are you drilling or milling? If you are trying to mill with cutters that are that long you are going to have major issues besides the machine capabilities.
Yep, milling to between 12 and 18 inches, but the cutter is only a standard length, it's just on a very long drive shaft - hence the question. Basically if I tried to use a standard router setup the router would hit the workpiece. It's only light foam that will be cut at this depth so there wont be much loading. This machine is virtually for one task alone - to cut the body panel plugs for a scratch build car I'm making - about the shallowest depth I can cut without making it pointless is 12 inches, would prefer a bit more.
Other than that, if anyone has any suggestions on how to work the machine I'd be glad to hear them! Imagine the front wing on a car, needs to cut that lying on it's side - the curve of the wing from lowest to highest point is 12inches deep.
Die grinder
2 words, and I suddenly feel very stupid
Many Thanks Swarfmacdaddy - I'll go get my die grinder out the cupboard...
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