Facing bug

[Tinger]

I'm trying to set the stepover to 75% of the face mill flat DIA, which is 1.125". (face mill flat DIA = 1.5") However I keep getting this error message. It wants to set it to 95%, but then sets the step over to .950"

Anyone know how to fix this?

[Tinger]

Mcam responded and this is now logged as a bug.

[Redfire427]

Seems like it has more to do with your tool description.  From what I see, the tool is a 1.5" diameter with a .250 corner radius which results in a 1" flat area.

95% of 1.0"  is .950"

If you want to get a larger stepover, reduce your corner radius of the tool. Highly unlikely that a 1.5" tool would have a .250" radius.

 

Carmen

[Tinger]

35 minutes ago, Redfire427 said:

Seems like it has more to do with your tool description.  From what I see, the tool is a 1.5" diameter with a .250 corner radius which results in a 1" flat area.

95% of 1.0"  is .950"

If you want to get a larger stepover, reduce your corner radius of the tool. Highly unlikely that a 1.5" tool would have a .250" radius.

 

Carmen

The tool is 2.00 in dia with .250 radius.

Here is a link to the tool I'm using https://www.iscar.com/eCatalog/Family.aspx?fnum=3431&mapp=ML&app=0&pageType=4&rel=T

It has a flat diameter of 1.500" so 75% should be 1.125". 

The guys at CNC software have logged this as R-25304

The work around fix is to define the tool as a bull endmill instead of facemill. He said dynamic looks at facemills differently.

[Redfire427]

I understand. Going by the photo you posted, it shows it as a 1.5" diameter. There are many work arounds. That is just part of life with Mastercam.

[mayday]

OMG its a facing cycle call it a bull end mill, you have to learn how to lie in MC or you wont make it. sorry just speaking from DOS 3.1 MC  but its still the same

[Rstewart]

All my facemills are defined as bullmills.  Just easier this way, no biggie

[Tinger]

Yeah I redefined the tool. Kinda frustrating as workarounds really bug my OCD