stepdown changing with cutter diameter

[mikronmatt]

Anyone else have an issue with your step down automaticaly changing to 10% of cutter diameter when you change cutter diameter in the HST tool paths

[billb]

The Formula files control certain 3D HST parameters for certain 3D HST styles (Area roughing, Waterline, Raster, ...).  For Waterline, the formula is 10% of the tool diameter.  The formula is applied when you change tools or create a new one.  Use the 2nd icon at the top of the HST Parameter dialog to select your preferred formula file.  There are several installed (Aluminum, Default, None, Rockwell, ...).  One thing you could do is select the "None" formula file - it has no formulas.  With that, when you change the tool, the step down (and other parameters) won't change.

Another option is to edit the Default formula file and change the Waterline step down formula (change @DIAMETER * 0.10 to @DIAMETER * 1.0).  Use windows explorer to navigate to the Shared Mastercam Mill Formula file folder.

[crazy^millman]

13 hours ago, billb said:

The Formula files control certain 3D HST parameters for certain 3D HST styles (Area roughing, Waterline, Raster, ...).  For Waterline, the formula is 10% of the tool diameter.  The formula is applied when you change tools or create a new one.  Use the 2nd icon at the top of the HST Parameter dialog to select your preferred formula file.  There are several installed (Aluminum, Default, None, Rockwell, ...).  One thing you could do is select the "None" formula file - it has no formulas.  With that, when you change the tool, the step down (and other parameters) won't change.

Another option is to edit the Default formula file and change the Waterline step down formula (change @DIAMETER * 0.10 to @DIAMETER * 1.0).  Use windows explorer to navigate to the Shared Mastercam Mill Formula file folder.

Bill here is what I have done for years and it works. Click on the cut parameters page first then change your tool. Doing the tool first does exactly what your seeing. In 2021 that has not been a problem. I just had to change several tools for a project and the cutting parameters didn't change. 

[Leon82]

You can disable hst default changes in the settings.

 

I always do because in previous versions changing the dia of the tool used to eliminate entire depth passes

[mkd]

Bug or Feature?

I"d call it a bug, since forever.