Thread Milling

[Rotary Ninja]

I am cutting a 2-7/8 - 12 OD thread on a Haas VF-2. The cutter is a single point style solid carbide cutter and has 6 teeth (like a key cutter). We use these with good results on most threads, but on the larger OD threads we get a lot of what looks like splines in the thread. There is no filter for thread milling. Is there any way to make the threads look smoother?

 

We are still using X5 but have X6 in the box ready to install.

[Guest]

Make sure you are not linearizing arcs.

 

If you don't get helix output, look into your control def >> arcs make sure helix support is ticked on

[Jaz]

Make sure you are not linearizing arcs.

There is a check box on the lead in/lead out tab of the thread mill parameters.

 

If you are getting helix code your Haas may not be interpolating them good enough. In that case you may want to force linear output but make sure the toleance is small enough to give you acceptable results, I use .0001" in this case.

[Rotary Ninja]

There is a check box on the lead in/lead out tab of the thread mill parameters.

 

If you are getting helix code your Haas may not be interpolating them good enough. In that case you may want to force linear output but make sure the toleance is small enough to give you acceptable results, I use .0001" in this case.

 

This worked. Thanks!

[Rotary Ninja]

Make sure you are not linearizing arcs.

 

If you don't get helix output, look into your control def >> arcs make sure helix support is ticked on

 

 

Just noticed this wasn't enabled in our definition. Will try this method as well. Thanks.