Shaper cutters have their cutting force exerted laterally since the shaft runs through the cutter and is supported on the top and bottom. My two concerns would be cooking the bearings and the possibility of bending the shaft. Felder has an optional router-shaft for their shapers that turns 16000 RPM. The trend in shapers now is to be interchangeable with CNC router tooling. Some of the newer HSK equipped ones might be faster. Martin, SCM and some of the others can do up to 12000 RPM. If a manufacturer sold a shaper with high rpm potential, I think it would be a huge success.ĭon’t know if it is possible to modify your existing shaper, but most late model European shapers can run at those speeds. Most shapers with replaceable spindles come with router collets, so someone must be using them. I think this is a problem worth pursuing.
My question is whether or not anyone has modified their shaper to increase rpm. I would never allow anyone in the shop to rig up a router that way. Whether or not it would cook the bearings is a question for a technician, I suppose. We haven't used a real router table in 12 years. Clamp it to a table or even your shaper if you want to use the power feed. Grab a piece of 3/4" plywood and mount your router to it. Anyone who has tried to run a router bit in a shaper learns quickly that 10k is not fast enough. Any input will be greatly appreciated.ĭo you know of any woodworking machine that turns at 15,000 rpm? I don't think the bearings will handle the speed and heat. And no, the side table of my tablesaw will not work - I have a support column in the way. I know there is a safety issue involved, but if a guy doesn't know what rpm is appropriate for the cutter, than he shouldn't be using the shaper. Not only that, but a router table setup can cost more than a cheap shaper. I do not want a router table bouncing around the shop - I already have three shapers. Has anyone out there increased the speed of their shaper to maybe 15,000 rpm or more so it would be more appropriate for small cutters? I use router bits in my 3 hp shaper every so often (especially for simple/small edge details or when duplicating a molding when it doesn't pay to grind a cutter).
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