Old-school lathe tool grinding

solicitr · Post by **solicitr** » Wed Jan 23, 2008 1:28 pm

Is there a resource for regrinding these sadly abused chisels without benefit of strip sander or sharpening jig: i.e just using the disk and the lathe rest?

edflorence · Post by **edflorence** » Wed Jan 23, 2008 1:39 pm

Not sure about using the tool rest...I don't see how you could maintain a consistent angle. But if you can find a copy of PTWFE you will find a lot of good sharpening information, including details on building a simple wooden guide block with an adjustable arm that clamps to the table to position the chisel or gouge against the disk and is essentially the proto version of the current plastic sharpening guide accessory. I used the wooden guide for years with the disk before springing for the the fancy guide and it worked just fine. Don't know if the newer PTWFE includes a description of it, but the last few editions do.

Hope that helps.

Ed
Idaho Panhandle
MkV 502.5, bs, dc3300, jointer, long wish list

solicitr · Post by **solicitr** » Wed Jan 23, 2008 2:21 pm

Unfortunately the current edition just has the SS guide. But I could probably design a jig if I gave it some thought. Thanks!

EDIT: BUT what appears to be the same information was reprinted in a back issue of Hands On, here:http://www.shopsmithhandson.com/archive ... _tips2.htm. OK, I'm in business!

edflorence · Post by **edflorence** » Wed Jan 23, 2008 3:30 pm

thanks for posting the link...very interesting. the guides depicted are different than the one in the old PTWFE's, but looks like they would be easier to construct and should do the job of maintaining angles during grinding just fine.

Ed
Idaho Panhandle
MkV 505 +/- etc

solicitr · Post by **solicitr** » Wed Jan 23, 2008 3:33 pm

However, there is no pivoting jig for sharpening a roundnose- do you remember how it was done in PTWFE?

While on the subject- are a roundnose and gouge the same in cross-section, so that one could be reground into the other?

Nick · Post by **Nick** » Wed Jan 23, 2008 5:16 pm

Here's a few pages from "Sharpening" by Nick Engler -- I know the author; he won't mind. The simple jigs shown can be easily adapted to a disc sander.

[ATTACH]832[/ATTACH]

With all good wishes,

paulmcohen · Post by **paulmcohen** » Wed Jan 23, 2008 5:47 pm

[quote="Nick"]Here's a few pages from "Sharpening" by Nick Engler -- I know the author]

I thought it was out of print, used paperback copies are going for $62.13
+ $3.99 shipping on Amazon. At that price you may not have your copy for long.

rubberneck · Post by **rubberneck** » Wed Jan 23, 2008 8:55 pm

Don't think the tool rest as a holder would work well. But here is a link to a very sharp (pun intended) Canadian gentlemans site that is full of good lathe info and almost all homemade tools sharpening jigs and all kinds of other stuff...Enjoy it!...Bill...
http://www.aroundthewoods.com/

curiousgeorge · Post by **curiousgeorge** » Thu Jan 24, 2008 12:23 am

I built his version of the Wolverine jig. It works great! If any one is interested check out the attached PDF file.

solicitr · Post by **solicitr** » Thu Jan 24, 2008 12:38 am

Looks very interesting- I wonder how one would adapt the idea to a sanding disk? The sliding bar could be affixed to a miter-slot crosspiece, and the V-block mounted to that.... How would one a) keep alignemnt in the vertical plane (for a gouge), and b) keep the geometry (ie relationship between jig and disk) repeatable?

Nick, your jigs are probably more promising for what I'm trying to do- but I'm a bit perplexed at changing from a horizontal to verical grinding surface