Flat Cutting (Grinding) on a milling machine

[Chuck Gedraitis Knives]

Ok, I was bored at work. There is a fixture there to modify kennemetal tool holders. It is U shaped and is ground at a 10 deg angle on the top and flat on the bottom with set screws to hold the tool holder. So I took a piece of O-1 barstock, and cut out the profile on the bandsaw and clamped it in the fixture. I made about 6 passes and made a perfectly flat tapered cut on the stock. I fliped the blade around and did the same on the other side. I have never gotten a more perfectly matched ricasso. The finish was prety good also. I'll post a pic this week. I wa also thinking of indexing the head on the milling machine to 45 deg and using the edge of an endmill to cut a hollow cut, like a hollow grind on a piece of stock. anyone else ever try this?
Thanks,
Chuck

 

[peter nap]

Cheater!!!!!

 

[Peter Atwood]

Wow, sounds neat Chuck! Let's see the pics.....

I got the phosphor bronze BTW. Thank you!!!!

 

[indian george]

I don't know about you guys from Mass. always looking for some way to cheat.

 

[L6steel]

If I could find a quality fly cutter for my mill, I'd be doing flats that way. I hate flat grinding, plus I stink at it, so any edge I can get is fine with me!

 

[ddavelarsen]

Chuck, that sounds great. I recently got a HF 3 in 1 machine and would like to set it up to do this but have no clue what you said...

Could you tell me what to look up in the Travers catalog to tool up for what you're doing? I'd love to machine at least one blade. Seems you could taper tangs this way too, though I bet it would be much slower than doing them on the grinder.

Any input on this great idea will be appreciated!

Dave

 

[tom mayo]

Yes.....you can do that....you can also stick the blade straight up and use a large endmill and cant the head over and do it that way.... but I bet you cant do it nearly as fast as someone with a lot of practice on a belt sander.....that is the main drawback to a lot of machine operations....set up time......I know guys who grind more blades in a day than I think about doing in 3 months!!!