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  Screw Design fpr Rubber Extrusion

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Author Topic:   Screw Design fpr Rubber Extrusion

Posts: 1
From:Cadillac, MI, USA
Registered: Oct 2003

posted October 21, 2003 10:51 AM     Click Here to See the Profile for dgarland   Click Here to Email dgarland     Edit/Delete Message   Reply w/Quote
We extrude hoses for the automotive industry. We are extruding multi cavities anywhere from 2-6 cavities. We extrude EPDM, ECO, and CPE for the most part. We have barrels and screws that are worn. When we put a new screw and barrel in we loose the pressure (push) in the center cavities. I just wanted to know why?
Another issue is that we do not know what screws are the best to process these materials with. We had a screw made for ECO and it works great, but for the other materials we are not sure even what we have or need.

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