Message 1 of 5
However, when I bring up the Inquire/Mass Properties dialog box and select the part, it always shows a density for the part of 1.5277252 [oz/in^3], no matter what density I've used in the Attributes/Material dialog box. What gives? Am I missing something?
Message 2 of 5
You are not missing something, but VX is - we have somehow contrived to get this into a tangle, I put in a PCR (change request) and this will be improved in a future release (lot of areas affected, so a fix will not happen overnight).
Currently, the Material attribute name is only the name - if the density is included in brackets, that is just treated as being part of the name.
In the meantime, via the Part Attribs Form, you can add your own "User Defined" attribute and store the density separately there with a specific title of your choice (erm, such as "density"). However, because we have not got the code right, the Mass Properties command will not look-up this value - it will however be used by the 2D Layout BOM Table wizard if you require this.
You might like to create a variable (via Insert/Equation Editor) to store the density value(s). The variable name can then be entered into the Mass Properties form, either by typing it in or browsing to it.
However, none of that helps with the units applied to the value. Firstly, to get consistent units, you must ensure that the active model space units are of the correct unit family (metric or imperial), via Edit Preferences.
Now, run the Mass Properties command, select the density units desired on the Options Form. Click on the tiny yellow input button and then type in the name of your previously stored variable that holds the material's density value. Or instead of typing in the name, right-click in model space and select "Expression" - from there, you can browse to the variable name and pick it.
You will notice that the options form also has a field named "variable". This is in fact a name for the output to be captured as a variable, and can be especially useful if you wish to use the Design Optimiser tool to consider a value for volume or weight.
Message 3 of 5
Message 4 of 5
Message 5 of 5
See the Material Attributes Pulldown in Version 11.11. This is the only place to assign material attributes now. The Material box in the Part Attributes is a label only now. Be sure to pick the shape you want and pick OK. You should get a material attribute in the History. This does work.
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