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| slope in the bottom of the slots of a slot head? http://www-.luthiersforum.com/forum/viewtopic.php?f=10101&t=45887 |
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| Author: | sdsollod [ Mon Jun 15, 2015 11:50 am ] |
| Post subject: | slope in the bottom of the slots of a slot head? |
What's the best technique to put the slope in the bottom of the slots of a slot head? Curved chisel, file, dowel wrapped in sandpaper, combination of these? Any suggestions? This is my first... |
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| Author: | giltzow [ Mon Jun 15, 2015 11:57 am ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
File and dowel with sand paper |
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| Author: | Alan Carruth [ Mon Jun 15, 2015 11:58 am ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
All's fair in love and lutherie: I use all of those techniques. One of the handiest tools I have is an 'in cantle' gouge. Take a normal gouge and grind it so that the bevel is on the inside, rather than on the outside. Properly sharpened, with the outside surface flat, as you would do with any bench chisel, you can make paring cuts on the inside of the curve. The one I have I found at a flea market. It has an offset handle, and I believe it was made for cutting inside radius corners on wooden patterns for castings. This tool makes cutting those curved ramps a cinch (more or less). |
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| Author: | dofthesea [ Mon Jun 15, 2015 3:54 pm ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
Alan do you a pic by chance of your chisel? |
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| Author: | Trevor Gore [ Mon Jun 15, 2015 7:21 pm ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
If you use flat ramps, you don't need a curved chisel  (and easier to sharpen). Whichever method you use, you still need to be very careful not to mar the inside of the slots and use very sharp tools especially if using edge tools and you have multiple laminates in your headstock facing.Or you can just tool up properly... https://www.youtube.com/watch?v=CKZvttu4KZ0 |
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| Author: | Terence Kennedy [ Mon Jun 15, 2015 9:46 pm ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
Trevor Gore wrote: If you use flat ramps, you don't need a curved chisel (and easier to sharpen). Whichever method you use, you still need to be very careful not to mar the inside of the slots and use very sharp tools especially if using edge tools and you have multiple laminates in your headstock facing.Or you can just tool up properly... https://www.youtube.com/watch?v=CKZvttu4KZ0 Violent and loud. I love it. |
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| Author: | Haans [ Tue Jun 16, 2015 6:22 am ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
This worked for me for years. Have to be careful though... http://www.amazon.com/Vermont-American- ... otary+file |
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| Author: | jfmckenna [ Tue Jun 16, 2015 7:30 am ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
I have a round rasp and then finish off with a dowel and sand paper. I don't know about you all but one thing that drives me crazy is when strings touch any part of the slot including the ramps and sides. I'll lose sleep at night if the string is not clean from nut to string post. ![[xx(]](./images/smilies/smiley11.gif "Dead") 
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| Author: | mqbernardo [ Tue Jun 16, 2015 7:44 am ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
I findthat iwasaki (?) files work well for this, followed by sandpaper |
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| Author: | SteveSmith [ Tue Jun 16, 2015 12:56 pm ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
I use a gouge to get most of the waste out, then a file to fine tune followed by sandpaper on a dowel to clear the file marks. |
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| Author: | Mike Collins [ Wed Jun 17, 2015 9:18 am ] |
| Post subject: | Re: slope in the bottom of the slots of a slot head? |
Dremal with a small 80 grit drum. Then sandpaper. mike |
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