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| Soundholes & Rosette Cutting http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=20316 |
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| Author: | mburton [ Sun Jan 04, 2009 2:25 am ] |
| Post subject: | Soundholes & Rosette Cutting |
After a delay in my first build I am getting back to where I left off. I need to decide on how to go about cutting the soundhole and the channels for the rosette. I already own a Porter Cable 310 laminate trimmer, but I was thinking of buying something like the radius cutter seen here: http://www.lie-nielsen.com/catalog.php?cat=549 to cut the soundhole and the boundaries for the rosette and then using a chisel to clear out the channel for the rosette. Does that sound reasonable or would I be better off using something like this (but one designed for the laminate trimmer I have)? http://www.stewmac.com/shop/Tools/Jigs/ ... g_Jig.html Thanks. |
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| Author: | Rod True [ Sun Jan 04, 2009 9:25 am ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Many of us have made a circle cutter base based off a design by Tony Karol like this (this is one I made for someone else)  Sylvan Wells made up some instructions to make it, and you can find those here. The only thing missing in the instructions is the width of the material (just base it on the width of the laminate trimmer base plate). You can either make it yourself of buy one from Sylvan Wells (if he has any) or PM me and we can work out a deal for me to make you one. |
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| Author: | Alain Desforges [ Sun Jan 04, 2009 9:33 am ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
What Rod said! You already have a great router, so I'd build one of those jigs. It might take a little while, and I don't know how much you enjoy building jigs, but once you have one of those Wells/Karol jigs, you'll never look back, guaranteed! The beauty is in the micro-adjustment. You can really dial in the width of the cut and that is what will help you get that coveted air-tight fit. |
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| Author: | Brock Poling [ Sun Jan 04, 2009 9:37 am ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
I have the Bishop Cochran base for the 310 lam trimmer (you can get them here - http://www.alliedlutherie.com). It is just about the nicest tool I own. Like the home made one it is a precision base, but this one also has precision plunge capabilities, lock downs, and a height adjustment that will let you set the depth to your material before you start cutting. |
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| Author: | Alan [ Sun Jan 04, 2009 10:07 am ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
You might want to check out the videos Chris Paulick has on YouTube showing how to make the Wells/ Karol Precision Router Base. http://www.youtube.com/watch?v=9oRqUK-CMIo http://www.youtube.com/watch?v=3eyR9sS5Swo http://www.youtube.com/watch?v=g92K82cRiyU |
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| Author: | mburton [ Sun Jan 04, 2009 4:59 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Thanks everyone. I think I'm going to try to make the Wells/Karol jig. I have googled UHMW to find a source for a small piece, and came up with this: http://www.indplastic.com/index.cfm?id= ... pageid=105 but they have a $20 minimum order. Where have you guys been finding the 3/4" UHMW. And Thanks for the video links Alan. Just watched them and they should be very helpful when I get the materials to start. |
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| Author: | Lillian F-W [ Sun Jan 04, 2009 5:09 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Rockler carries it. http://www.rockler.com/product.cfm?page ... ilter=uhmw I think their free shipping sale is still going on. |
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| Author: | Chris Paulick [ Sun Jan 04, 2009 5:13 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Also Woodcraft, it's 48" long so you can about 7 bases from it. http://www.woodcraft.com/product.aspx?P ... milyID=897 |
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| Author: | Stephen Boone [ Sun Jan 04, 2009 5:37 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Lee Valley tools has a uhmw plastic "sampler" for not much, no minimum. You could also pick up one of their Ferrarri looking hand planes. I have certainly been thinking about it. http://www.leevalley.com/hardware/page. ... 3576,43581 |
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| Author: | Hesh [ Sun Jan 04, 2009 5:43 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Welcome to the OLF Stephen! ![[:Y:]](./images/smilies/smiley20.gif "Thumbs Up") ![[clap]](./images/smilies/smiley32.gif "adulations")
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| Author: | Chris Paulick [ Sun Jan 04, 2009 6:00 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Yeah but with the left over you could also make this. I still need longer springs and to make a better heigth adjustment knob for the threaded rod and attach Wells/ Karol adjustment. I'm going to try making it out of Delrin which I think will work better then the UHMW though. |
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| Author: | Stephen Boone [ Sun Jan 04, 2009 6:10 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Thank you Hesh! I have already learned a lot here. |
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| Author: | Chris Paulick [ Sun Jan 04, 2009 6:35 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Oh, I forgot to mention that's my knock off of the Bishop Cockran base for those who didn't know and not my design. Although I did it from pictures. |
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| Author: | Brock Poling [ Sun Jan 04, 2009 6:56 pm ] |
| Post subject: | Re: Soundholes & Rosette Cutting |
Yeah Chris, that is nice. |
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