Product category:
Forming, swaging and extrusion machines
News Release from: Guyson International | Subject: Extrusion billet cleaning
Edited by the Manufacturingtalk Editorial
Team on 14 May 2003
Clean every billet and improve extrusion
die life
Applying 100% cleaning of billet stock completely eliminates one suspected source of variation in product quality and protects the dies, as extruders are finding out.
Today's systematic approaches to product quality help us discover what is at the root of certain variations in extrusion, and then identify the most effective ways to prevent them Inevitably, in many cases, the quest for process integrity draws attention to the subject of dirt
This article was originally published on Manufacturingtalk on 23 May 2001 at 8.00am (UK)
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Problems with dirty billets will be vary greatly for an individual extruder depending on the sources of their raw material, how it is transported, handling practices and storage conditions.
The degree of concern with this issue may also depend on the end-use of your extrusions and the quality standards to which they are held.
Certainly, highly engineered shapes and profiles that must meet stringent customer specifications will dictate more exacting guidelines for cleanliness.
The idea of cleaning billets or logs before extrusion is not a new one.
Many people have been doing it for years on a selective basis, when they notice particularly soiled ones.
The suggestion that one hundred percent of the billet-stock should be thoroughly washed prior to extrusion is based on the idea that this procedure can completely eliminate one suspected source of variation in product quality.
There are additional benefits, as well, in preventing foreign matter from passing through the dies.
If your quality control assessment leads to the conclusion that dirty billets are a problem in your operations, it is a good idea to partner with a washer manufacturer who understands the special requirements of extruders.
Such a supplier can assist with the development of verifiable cleanliness specifications and will be in the best position to offer a cleaning system that is customized to suit your circumstances.
This is an extract from an article written by J.C.
Carson - Leader on the Applications Team of the New York manufacturer of die and billet cleaning equipment - Guyson Corporation, part of Guyson International. Request a free brochure from Guyson International ...
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