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Re: Screw for extrusion - need help


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Posted by dave (65.57.60.101) on December 21, 2002 at 19:21:22:

In Reply to: Screw for extrusion - need help posted by Sonia Martin on December 05, 2002 at 02:27:26:

: I am an Engineering student, finishing studies.
: I am designing a extruder for paste. I am looking for a formula for work, because I have to decide a motor.

: My screw is similar to a Archimedes screw.

: thankz, and excuse my poor English

The motor may be sized on 2 factors: the first is the volume of paste per unit time. The second is the working pressure. Multiplying the two gives the power required to drive the screw.

Then the volume/revolution of the screw can be divided into the volume per unit time to give the motor RPM.


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