There's nothing safe about that thing!
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| CMT spoilboard cutter -possible safety planer use? http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=52608 |
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| Author: | Clay S. [ Tue Nov 05, 2019 8:05 am ] |
| Post subject: | CMT spoilboard cutter -possible safety planer use? |
While perusing the CMT router bit offerings I ran into this bit: https://www.amazon.com/CMT-663-004-11-S ... lp_pl_dp_5 In a previous discussion I mentioned it might be nice to make a safety planer with insert cutters - this might be it! It's intended use is to smooth the spoil boards on CNC machines. The 4 sided carbide insert cutters might make sharpening a thing of the past. |
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| Author: | doncaparker [ Tue Nov 05, 2019 8:40 am ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
How well do you think it will cut at drill press speeds? If somebody needs a router bit like this anyway, it sounds like a worthwhile $60 experiment. |
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| Author: | banjopicks [ Tue Nov 05, 2019 9:06 am ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
There's nothing safe about that thing!
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| Author: | Clay S. [ Tue Nov 05, 2019 9:09 am ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
One downside to it is some of the "safety" feature is gone. Rigging up a shield might be a good idea. Another possibility would be to make a jig for a router base and use it in a router. That might make a higher speed surfacing tool than the average safety planer. If the jig incorporated a plunge base and dust collection so much the better - and maybe a mini vacuum table hold down runoff a shop vac..... After cogitating on the imagineering, using it in a drill press with a simple shield might be the simpler solution.  Hutch posted while I was typing - yes adding the safety back would be a priority. |
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| Author: | Ruby50 [ Wed Nov 06, 2019 6:36 am ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
Here's the tool to use it in: https://www.woodpeck.com/woodpeckers-slab-flattening-mill.html Ed |
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| Author: | B. Howard [ Wed Nov 06, 2019 7:18 am ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
I doubt a drill press will turn enough rpm to get a clean cut, This is designed for use with a planing sled.... https://www.youtube.com/watch?v=bm9SDuWIAk0 |
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| Author: | bluescreek [ Wed Nov 06, 2019 10:05 am ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
this tool is also known as a face mill many here never used one but it will do fine on wood , This set up isn't as robust as a R* collet but It will do well on a cnc machine with a vacuum holding system. I use something like this on a R8 collet. You can flip the inserts for multiple uses. The key is in the feed and cut rate , you should not be taking more that .10 to .015 in per pass and you want to good blow off or dust collection. I can assume your using MDF as a spoil board that this will work fine but will produce a lot of fine dust. If you are trying to do this with without a proper fixturing system I would say don't use it.. Be aware of the feed direction , and feed rate. |
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| Author: | James Orr [ Fri Nov 08, 2019 5:32 pm ] |
| Post subject: | Re: CMT spoilboard cutter -possible safety planer use? |
I've flattened a few slabs using a face mill with both a sled setup and a CNC. My initial thought was, "Drill press doesn't rotate as fast as the router..." But then I wondered why it shouldn't work anyway. If safety planers and the like work in a drill press, why not a face mill? Is it a mass issue? Face mills have considerably less mass than the safety planer I have from Stew-Mac. |
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