cam lathe/turn hex stock

[k6ls]

I have a good handle on milling, now I want to try some turning/lathe CAM for the first time.

I have my part drawn, and it's pretty simple, but I'm having an issue setting up stock.

I want to use hex (6) bar stock

not sure how to set that up.  do I just set up stock as a "Fixed size cylinder", using the inscribed diameter of the hex stock ?

just need to face the end, drill and tap a hole and chamfer a portion of the stock from the end I just faced,

then part it off to length.  part is only 1" OAL.

[daniel_lyall · Accepted solution]

Model the stock in then in the setup select from solid and pick the hex stock model you did.

This will give you whats needed

[daniel_lyall]

Model the stock in then in the setup select from solid and pick the hex stock model you did.

This will give you what is needed.

[johnptc314159]

how to you set the stock length to a length longer than the solid model ???

this matter when you view the cam simulation which includes the parting ( cut off)

🙂

john

[LibertyMachine]

The Stock definition tab has ample ability to define your stock to anything you want it to be:

[johnptc314159]

i donot  see the hex option ??  what did i miss ??

[johnswetz1982]

There is not a hex option under the stop tab. What Liberty was suggesting was that you could use "from solid" to model hex stock or use "round stock" that is circumscribed. His image shows that tab for using offset from front face to create stock longer than your model so that you can simulate your parting off operation. 

[daniel_lyall]

With fusion you have a lot of tools you can use in CAM most cam stuff can be modeled in or a sketch used.

For your stock have what you won't model into your design, have a hex bar the length and size you need in the same places as your model you are cutting.

You will have this as from solid in the stock tab of the setup, you don't need to turn the stock model on to select it, you just click on it in the tree and it will be all you need to do but make sure your WCS is still in a safe position.

[johnptc314159]

perfect 🙂