Worn Screw

Modified on Sunday, 01 February 2015 06:16 PM by mpieler — Categorized as: Extrusion Hints

Worn Screw
Vol.20 #2, July 1993

Adding to the Extrusion Hints in April regarding a worn barrel, it is just as important to measure the O.D. of the flights in the metering area of the screw.

Just a few thousandths wear can lower output plus cause overheating and burning of the material.

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