Models for grinding HSS Lathe Tools

Keep us posted, Tim. If you show your tools, we can help guide you if that proves to be necessary. Good tools make lathe work a real pleasure and we'll do what we can go help you.
 
So I'd like to grind a form tool to cut an outside radius on the lathe. I have absolutely no idea how I'd go about grinding the radius.
I could use a corner rounding end mill but I'm really curious how I'd grind an HSS bit to form an outside radius.
 
Classic way is to dress the corner of a grinding stone to the radius you need and slowly push the blank into that corner to form the radius. I've done it by grinding some relief under the edge and shaped what I needed with a Dremel stone. Or you can use a file if you have only one to do. What I normally do is just use a graver - way faster, cleaner, easier for me.
 
Here's my newest tool, my initial effort was about 6 mos back. I've been tweaking the grinder set up and it's getting better. Waiting for a diamond hone to arrive, so this tools is still pretty rough. I think it can be better and we'll see how it works on the lathe.

rh tool 3.jpgrh tool 2.jpgrh tool 1 (1).jpgbelt sander (1).jpg

I think these are the first pics I've put on this forum. Will have to work on my presentation in future.

Tim
 
Nice job on the grinding! Hone that puppy up and let us know how it works for you.
 
12L14 .350 DOC so far, I'll get a picture.
 
Here is the pic, when I went back the bit had some weldment on the lead edge, how do you get away from that, lube?


Changed the lead angle looks like a better finish.
 
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