- Joined
- Jan 24, 2019
- Messages
- 256
Sorry, don't remember where, it was more than 10 minutes agoDo you have a link to that article? Someone mentioned it above, but thought they were mistaken. I would LOVE to not have to do the cup
Sorry, don't remember where, it was more than 10 minutes agoDo you have a link to that article? Someone mentioned it above, but thought they were mistaken. I would LOVE to not have to do the cup
I made a rotary broach for fun, and a 1/2” hex tool out of O-1, but did not harden it. With a flat, not cupped, bottom, it had no trouble punching a hole in (as I recall) 1/8” aluminum. it worked surprisingly fast, looked none the worse for wear, and then I put it in a drawer, have not used it since. I did post on this, if anyone is interested.Is the cup needed? I saw an article where they didn't put the cup and it cut the same.
I think i saw the video on that one at one point! I think it is pretty cool how simple he was able to make it, though I think we chose to do bearings to avoid wear.Now that this is over.... this tool post mounted version looks pretty awesome.
Tool post broach
Yep this is a traditional rotary broach.Got mine in today. It looks great on the bench! Unfortunately, I neglected to order an arbor until the last minute, so I can't give it a try, but that's alright. If I decide to be in a hurry, I can make a straight shank real quick on the lathe, but I suspect the one I ordered will get here before I get shop time to make one.
I need to look up how to use these things again. But it looks like I can use the set screw in the front to swap cutters, then it should work like any other rotary broach, right?