Broaching on a Haas, Anyone doing it

[Jayson Kramer]

Is any one broaching on a Haas vertical mill?

If so what are you using for tooling and are you locking the spindle orientation?

 

Do you have sample code?

 

thanks

[gcode]

I don't know about new Hass designs,

but I did a little broaching on a Haas

about 10 years ago.

The spindle orientation mechanisim

was a steel pin going into a hole

in an aluminum pulley.

Broaching tore things up in short order.

I wouldn't do it unless is VERY ligth

duty work cause you WILL jack up your

spindle.

[GoetzInd]

Newer haases have real spindle orientation. Look at ph horn for tooling. I would only be doing aluminum with LIGHT cuts though. Remember, when that spindle isnt spinning it is very easy to damage the bearings.

 

Mike

[Zoober]

Depending on the type of broach, you may want to look into rotary broaching.

As the other guys said, dead spindle broaching is a fast way to tear up a spindle.

[Jayson Kramer]

Robert I like the rotary broaching that looks good. thanks. Hows life at work?

[X-L Engineering Corp]

We use the Slater broaches non-rotary because of the shapes we broach "D" and double "D" I rough mill then broach. Try not to leave any more than .005 per side. I have done 3/4 hex before in an old VMC that had a spindle orientation pin not all machines have that most are magnetic now, but back to the story you could see the machine twisting as the broach went in and out. We ended up sending it out for EDM.

Good luck.

[Zoober]

Going pretty good here Jay. I am finally making posts for all the machines. For a while there, I was only doing the Toyoda system stuff. But the cell is doing so good, they (you know who "they" is) wants the rest of the shop to run the same.

Hey, can I get back into beta here? I still have all my accesses, do you need to do something to our hasp?

TIA

[Jayson Kramer]

Robert get in touch with me after hours so I can get info and see about making this happen for you.

[Don S at Barefoot CNC South]

Jay what type of broaching?

[Zoober]

Thank you Jay!

[Jayson Kramer]

Don, that would be Keyway.

[Chris Rizzo]

I've errrrr "broached" with a few endmills on a haas

[Jayson Kramer]

I bet you have Chris.

[Tim Simmermon]

Jay,

 

I've shaped on a Haas before. Basically make a tool that is the width of your keyway with a front and bottom rake. Then lock the spindle and shape the keyway by moving the tool up and down for the full length of the keyway but step in (on either the X or Y) on the downstrokes only. Only taking a few thousandths at a time.

 

You can create the path in MC by creating points in increments of .003"-.005" (in X or Y depending on config) then using drill toolpaths.

[FLHX95ci]

The PH Horn broaching tools work quite well. Havn't used them on a VMC, but have on a couple of parts on a 2 axis lathe and they hold up quite well and are very consistant (but you pay for it too)

[Mic6]

quote:

---

"D" and double "D"

---

[cadcam]

mic6, were is your mind going we are talking broching.

 

But I do agree