Tangential tool holder

[jonf]

Has anyone on this board made a tangential tool holder using the shank of a .250 carbide end mill?

 

[Eddyde]

Do you mean make the tool out of carbide?

 

[jonf]

No, I had an idea to make the tool to hold a .250shank of a worn out end mill. I cashed in some "brownie points" I had left over from the last place I worked and they gave me some used carbide end mills. The bigger ones I cut a disk off and silver soldered to a steel blank and they work well on the lathe. I made a holder for the .250 shank and it works well turning on an OD but I cannot figure out how to make a holder that could make a facing cut.

 

[Jimsehr]

Google Jimsehr machinist.
Then go to ball turner experience and see a 1/4 inch round carbide tangertial tool cutting a ball.

 

[GeneT45]

No, I had an idea to make the tool to hold a .250shank of a worn out end mill. I cashed in some "brownie points" I had left over from the last place I worked and they gave me some used carbide end mills. The bigger ones I cut a disk off and silver soldered to a steel blank and they work well on the lathe. I made a holder for the .250 shank and it works well turning on an OD but I cannot figure out how to make a holder that could make a facing cut.

You'll have to incline the shank, which will then require grinding the top so that it's still presented flat. There's no front clearance on a vertical post, so facing is out until you tip everything a little.

GsT

 

[ddickey]

No reason why that wouldn't work. I was looking for a 5/16" square piece of carbide for mine but so far have not been able to find on.

 

[Jimsehr]

I bought package of Kennametal 1/4 rounds off of eBay. That I use as tangertial
Cutters in my ball turners.