How to find extrusion force by mathematically?

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Chinaza Godswill Awuchi

Check https://www.egr.msu.edu/~pkwon/me477/bulkforming2.pdf

Aref Wazwaz

Hi. Plz see the following link that might help you:

https://uomustansiriyah.edu.iq/media/lectures/5/5_2020_10_18!12_34_32_PM.pdf

Mirosław Grzesik

Extrusion is a multi-stage process. Extruders have a different design. Process parameters may change. I would be looking for an appropriate criterion equation.