Unusual Milling Cutter/Insert

[MrWhoopee]

Anyone familiar with this one? Reminds me of one of those rock drills.

 

[ChazzC]

At first glance that’s what I thought, too. But it’s actually not much different than the face mill I have that uses round inserts: the round inserts only cut on a small portion of the perimeter and the inserts have little divots so they are indexed to a number of positions:


just like the gear profile you have.

 

[mmcmdl]

Mr Whoop , did that come off a tunnel boring machine ? Aggressive inserts for sure .

 

[MrWhoopee]

At first glance that’s what I thought, too. But it’s actually not much different than the face mill I have that uses round inserts: the round inserts only cut on a small portion of the perimeter and the inserts have little divots so they are indexed to a number of positions:

View attachment 513326
just like the gear profile you have.

Now that you mention it, I think maybe it's a round rougher.

 

[wachuko]

Like these?

 

[jarhead]

we used to call them Hogger mills

 

[Grandpop]

+1 on the Hogger inserts. Only ever saw them in TNG_ and the round ones.

 

[pontiac428]

That tool's got Spurs...