I've posted this before, my disk sander jig is based on the one I used in Harry Fleishman's class. It works out pretty slick, if you plan on making more than one of that type of guitar.
http://guitarmaking.blogspot.com/2005/0 ... k-jig.html
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| Author: | mikemcnerney [ Wed Aug 26, 2009 12:42 pm ] |
| Post subject: | shaping blocks |
Does anyone have some kind of router fixture/jig to shape the curve on the blocks? Mike McNerney |
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| Author: | Christian Schmid [ Wed Aug 26, 2009 12:57 pm ] |
| Post subject: | Re: shaping blocks |
I don't have a specialized jig/fixture - I just use what I use to radius my fretboards. Works fine. You can find a sophisticated fretboard radiusing jig here: http://www.luthiersforum.com/forum/viewtopic.php?f=10117&t=21565 A block plane and a simple radiused sanding block with sandpaper will work just as well... http://www.lmii.com/CartTwo/thirdproducts.asp?CategoryName=Radiusing&NameProdHeader=Radius+Blocks You just need a sanding block with the correct radius of course. cheers, Christian |
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| Author: | Jeff Highland [ Wed Aug 26, 2009 3:42 pm ] |
| Post subject: | Re: shaping blocks |
I have seen a jig which used a disc sander to radius the faces of neck and tail blocks. Of course now that I actually have a large disc sander I cant find the tutorial so will have to reinvent it myself. |
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| Author: | Mike Mahar [ Wed Aug 26, 2009 3:47 pm ] |
| Post subject: | Re: shaping blocks |
This is something that I do by hand. I set the block on my outside mold such that the edges of the block are just touching the edge of the mold. I then draw a line following the curve of the mold onto the block. I take the block over to my disk sander (A belt sander might even work better but I only have a disk sander). I slowly rock the block against the disk until I have sanded the curve in to the block nearly to the line. I then test the block against the mold and repeat until I sneak up on a good fit. |
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| Author: | letseatpaste [ Wed Aug 26, 2009 3:59 pm ] |
| Post subject: | Re: shaping blocks |
I've posted this before, my disk sander jig is based on the one I used in Harry Fleishman's class. It works out pretty slick, if you plan on making more than one of that type of guitar. http://guitarmaking.blogspot.com/2005/0 ... k-jig.html
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| Author: | Todd Rose [ Wed Aug 26, 2009 9:03 pm ] |
| Post subject: | Re: shaping blocks |
I get them close on the belt sander, then do the final fitting by sanding on the sides themselves, in the mold. I make two identical, stackable molds for each guitar shape, and I pin them together for operations like this, so the entire height of the sides is supported. |
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| Author: | Terence Kennedy [ Wed Aug 26, 2009 11:08 pm ] |
| Post subject: | Re: shaping blocks |
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| Author: | Chris Paulick [ Thu Aug 27, 2009 7:55 am ] |
| Post subject: | Re: shaping blocks |
I do like Todd. I put sandpaper on the mold with sides in place at the head or tail and just sand the block to the profile. I do the same for armrest and ribrest bevel inserts. |
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| Author: | ChuckB [ Thu Aug 27, 2009 4:01 pm ] |
| Post subject: | Re: shaping blocks |
I make a set of sanding blocks to match the mold about 6" x 8" with sandpaper stuck to it. I trace the heel or tail block on the mold, take most of the waste off with a block plane, then sand the block to its final fit with the sanding blocks in the vise. Chuck |
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| Author: | Frei [ Thu Aug 27, 2009 4:44 pm ] |
| Post subject: | Re: shaping blocks |
Todd Rose wrote: I get them close on the belt sander, then do the final fitting by sanding on the sides themselves, in the mold. I make two identical, stackable molds for each guitar shape, and I pin them together for operations like this, so the entire height of the sides is supported. Thats what I am doing, using the actual sides. A peice of (35 or 50m 120 220,400 grit) sandpaper cut the long way fits inside the mold push holders, then you use marker on the block, and sand until marker is all gone. I switched to real wood, from plywood as the plywood took 'hours', real wood takes minutes. And 35 grit gets it done fast. |
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