Posts: 18
From:St-Hubert, Quebec, Canada
Registered: Jun 2004

posted August 03, 2005 03:58 PM               

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Hi,

I would like to know what is the acceotable wear on a extruder barrel for blown film.
Is it 0.001 inch, 0.003 or else.

Thank you

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Posts: 564
From:Brodheadsville, PA USA
Registered: Jun 2001

posted August 03, 2005 04:12 PM               

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I generally consider a screw worn out when it is at or below 99.33% of the barrel's original ID. Use that as a guide for the barrel. Please contact me if you are interested in a barrel bore gauge.

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Best Regards,

Tom Cunningham

Extrusion Technical Services
www.ExtrusionTechnicalServices.com

[This message has been edited by Tom C (edited August 03, 2005).]

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