Non modelled masses eg paints and coatings
Non modelled masses eg paints and coatings
(OP)
When modelling parts which are subsequently coated eg galvenised there seems to be no method of adding the extra mass due to the coating other than changing the density to include an allowance. Ideally it should be linked to the surface area and worked out automatically. Has anybody a work around for this?






RE: Non modelled masses eg paints and coatings
"The attempt and not the deed confounds us."
RE: Non modelled masses eg paints and coatings
The coated part is the result of adding a component (a machined part, a bended sheet,...) to another component(some amout of paint, some amout of Zinc) in witch you can consider as an assembly process (the painting job, the electroplating, the hot dip galvanizing). So what do you think of create an assembly with the metal part matted to a part (the coating) that can be a simple feature with the adjusted wheight?
This way, in your BOM, you do not forget all that is involved, including the material quantities, the coating costs and the assembly costs.
RE: Non modelled masses eg paints and coatings
The method I described above is strictly used during the design proces to account for material build-up if clearance is suspected to be a problem. We don't manufacture rocketships, so our tolerances are pretty lax (+/-.030 on a good day).
"The attempt and not the deed confounds us."
RE: Non modelled masses eg paints and coatings
interestingly enough on the part that i tried, a 50 micron layer still added up to about 10 gramms while the full part is only about 200 gramms. I can appreciate that the weight of the paint may well be significant on small complex sheetmetal parts where your surface area is high relative to your volume.
RE: Non modelled masses eg paints and coatings
Are you getting the mass properties using the API? If so, in you code, can't you just multiply the weight by 3.5% (or whatever) for the galvanizing and "display" that answer instead?
Mr. Pickles