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How to make volume dependent length of extrusion?

Question asked by Zhuk Daniel on Feb 4, 2016
Latest reply on Feb 10, 2016 by Zhuk Daniel

Hello there! I'm new to this forum and looking forward to future visits! Nice to be part of it.


I have a question about something I want to achieve. I'm not quite sure how to do this:


I have a design which needs to have a certain volume of air in it. The volume of air is inside a shaft, which I made with an extrusion and shell feature.

As I will be placing parts inside the cilindrical assembly and the volume of air, I want to make the extruded length of the shaft dependent on the detected volume, so that the volume keeps staying the same set amount and only the shaft length changes.


Could anyone help me achieving this?


I have been looking at a video in which someone uses design tables to make configurations of extrusion lengths. Unfortunately, in that situation, the volume is dependent on the shaft length (or extrusion length), and not the other way around. (SOLIDWORKS – Assembly Volume Study - YouTube)


Much appreciated!