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Course covers rubber extrusion.

An integrated technological course on "Rubber extrusion technology" will be held February 21-23 by the University of Wisconsin-Milwaukee at the Center for Continuing Engineering Education in Milwaukee, WI.

This course will provide applicable basic information on all aspects of the rubber extrusion process. The course will encompass products ranging from intricate profile extrusions to tires having compositions ranging from a single thermoplastic elastomer to multiple dense and cellular compounds coextruded with carriers and reinforcements.

Consideration will be given to compound selection, evaluation and processing; equipment needed for pumping, shaping (including die design), curing and monitoring; operating procedures to insure high production rates and quality; and analysis and control of process variation.

A section on new technologies will explain how to make extrudates with variable cross-section and composition along their length, to form curved sections and to control screw speed for individual extruders forming laminate structures.

The course will conclude with a troubleshooting guide giving problems, causes and corrective actions.

This course is said to benefit materials and process engineers, die designers, quality control personnel, supervisors and managers responsible for these functions. It is also said to benefit those responsible for specifying equipment purchases and particularly individuals new to the rubber extrusion industry.

Speakers will include James F. Stevenson of Honeywell International and John S. Dick, marketing technical specialist for Alpha Technologies.

The course outline will include a discussion on materials, including elastomer properties, laboratory tests for extrudability, compound ingredients, and processing and compounding.

Primping equipment will be discussed, including screw extruders, ram (preform) extruders, auxiliary devices, drives and transmissions, and temperature control.

Shaping equipment examined will include heads and dies. Downstream equipment described will include continuous vulcanization (low pressure) and reinforcement.

Instrumentation examined during the course will include an instrumented extrusion line, temperature sensors, pressure sensors, dimension sensors, and weight and area sensors.

Operations, including extruder dynamics, productivity and quality, and process variation and control will be examined, along with advanced technologies, including changing extrudate shape, switching feed streams, directed flow technology, multicomponent process control and low resistance dies.

The final portion of the course will deal with troubleshooting, including an introduction, product geometry, extruder operation and material.

The registration fee for this course is $1,090, and includes a notebook, program materials, break refreshments and networking lunches. Participants completing the course will receive 1.8 Continuing Education Units. Further information is available from Murali Vedula (414) 227-3121.
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Publication:Rubber World
Date:Dec 1, 2000
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