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post #1 of 6 (permalink) Old 03-12-2014, 08:04 PM Thread Starter
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Default Feed Ddirection/Safe handling when template routing on the table?

Hi,

I've recently been routing some guitar neck profiles. Now, I've been using a VERY shallow depth of cut, straight 2 fluted template cutters and started increasing the depth of cut about 5mm at a time.

The template is taped to the material using very strong double sided tape, and theres only 0-1mm of excess around the template to remove.

I've happy routing the side of the neck (obviously) because they're straight grained it's a breeze, and aware of the grain orientation and it isn't that that's bothering me.

When routing one side of the neck template, I can hold the end of the neck to the right of the router cutter (in front of jt) and glide the piece into the cut steadily, then I am free to pull the cut with my hands on the left hand side of the bit, which feels totally safe and controlled.

The problem I am having is once I've smoothly exited the cut on some end grain, I then need to start the cut either near end grain and I never know where to put my hands during this!

The work piece needs to be fed clockwise around the anti-clockwise cutter, but how is it best to enter the cut, and once the cut is entered,I still need to apply all the "pushing" force from the right hand side of the bit which feels more dangerous than pulling the material away from the cut to the left hand side.

Can anyone give me a few pointers on how they would tackle this? how would they hold it, how would they enter the cut on the end of the workpiece safely? and basically how do I avoid an accident? I don't feel very confident when I'm pushing the workpiece rather than pulling it away from the bit.
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post #2 of 6 (permalink) Old 03-13-2014, 12:23 AM
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Quote:
Originally Posted by iamtherealmungo View Post
The problem I am having is once I've smoothly exited the cut on some end grain, I then need to start the cut either near end grain and I never know where to put my hands during this!

The work piece needs to be fed clockwise around the anti-clockwise cutter, but how is it best to enter the cut, and once the cut is entered,I still need to apply all the "pushing" force from the right hand side of the bit which feels more dangerous than pulling the material away from the cut to the left hand side.

Can anyone give me a few pointers on how they would tackle this? how would they hold it, how would they enter the cut on the end of the workpiece safely? and basically how do I avoid an accident? I don't feel very confident when I'm pushing the workpiece rather than pulling it away from the bit.
Took me a few rereads but I think I've got it now. I mostly only use plywood, but run into some of the same stuff with my canes. To start with, I rout my canes from the bottom of the shaft, to the handle. Straight shaft, no problem, I hold the blank with my right hand, and position my left hand behind the shaft, I do not hold it with my left hand. The left hand pushes the shaft onto the bit and the right pushes it along. Then when I get a few inches from the handle, which is never like your regular cane, not when you consider one of them is titled grumpy fish. When I get that far, then I hold the shaft with my left hand, and push into the bit with my right, slowly, and shallow cuts, rotating the shaft to the left, toward my left side. Then shift the cane to my right side, hold the shaft with my right hand near the end, and then several inches below the handle with my left hand, again shallow cuts, until the handle is routed out. Then handle to the left, and rout the other side. Works very well for me, and I have no issues.
NOTE: I am not telling you to do it this way, I am telling you how "I" do it. Probably you can get better advice on this from one of the other guys.

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post #3 of 6 (permalink) Old 03-13-2014, 03:03 AM Thread Starter
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That was written whilst very tired, I think these extremely poor mock ups might explain what I mean way better than the babbling above.

innthese terrible diagrams, the black arrow pointing to the wood is the start point where the cuter might meet the work, the directional arrow is the cutter direction (work is fed the opposite way, "in front" of the bit) and the red arrow is where the stop point seems comfortable to be, and this then obviously becomes the start point for the neck pass round the work, which means you are left holding the work and using a push force into slight end grain which makes me anticipate some skipping/tearout of some sort!





Should I be using the faster speed on my router for this? Or is that likely to cause an issue? Mainly I'd like to know how you'd undergo routing around the top of the neck with the tight curve? Would you try and start the cut along one of the straight sides and keep feeding it fully around the curve rather than stopping/starting in end grain?


I know it isn't ideal to route end grain like this but as I'm using a very shallow cut I think it will be okay, I'd just like to know what people consider the safest way to route difficult shapes to a template and where to put your hands!
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post #4 of 6 (permalink) Old 03-13-2014, 04:32 AM
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Are you using a starter pin and bearing guided cutter?

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post #5 of 6 (permalink) Old 03-13-2014, 05:53 AM Thread Starter
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I have been using template/bearing cutters with a very shallow depth of cut to try and curve a good finish against the grain and to avoid tearout

I have been using a starting pin, but as I'm starting the cut going into a tight concave area it doesn't seem to help a great deal
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post #6 of 6 (permalink) Old 03-13-2014, 12:20 PM
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Please spend a couple minutes and fill out your profile, we really like knowing what to call you.

Starting at the end with the red arrow you can make a continuous path around and back to the red arrow in one cut. This is possible because you said the wood is only about 1 mm proud of the template. Reduce your routers rpm and make a slow even pass.

You might want to spend a few minutes and build the VacGuard. Having the extra light on your bit and all the dust vacuumed away really helps. Having the guard over the bit reminds you to keep your fingers a safe distance away. Click on the Woodworking Videos tab near the top left of this page to see the slide show video.

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