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Rubber training courses planned.

The Rubber Manufacturers Association and the Technology Transfer Center at Ferris State University, Big Rapids, MI, have partnered to create a training and skill building program for the rubber industry.

Courses offered include "Rubber lab technician training," a five-day training program for material development laboratory or plant laboratory employees; "Introduction to rubber and rubber processing," a four-day training program for new employees in the rubber industry; and "Internal mixing processes and techniques," a three-day program for beginning to intermediate level chemists/ compounders, lab technicians, and procees and plant engineering personnel.

"Rubber lab technician training" will be presented June 4-8 by Matthew Yang, assistant professor of rubber engineering technology at Ferris State University. Intended audiences include employees who are candidates for material development laboratory or plant laboratory positions.

This five-day training program will lead participants through content theory and intermediate laboratory exercises in rubber chemistry, rubber mixing, rubber testing and rubber processing.

Day one will focus on theory and intermediate rubber chemistry, including compound types, basic ingredients and recipes, advanced rubber ingredient weigh-up, mill mixing and internal mixing. Laboratory exercises will include performing ingredient weigh-up and mixing. Participant teams will weigh-up ingredients and mix a variety of rubber recipe batches.

The second day of training will focus on intermediate rubber testing, including rheology, hardness, tensile and immersion testing, and understanding the ASTM/SAE testing and rubber classification system. Laboratory exercises will include performing slab molding operation and running standard ASTM/SAE tests. Participants will mix rubber compounds, mold slabs and run rheometer tests. Immersion tests will be started for several different compounds.

On the third day, participants will be taught to understand the different characteristics of different polymer types. Laboratory exercises will include mill and internal mixing of a minimum of three different recipe batches. Participants will mix and chart the different characteristics of at least three polymer types.

Day four will cover basic and intermediate rheometer and hardness testing, and rheometer and hardness test interpretation. Laboratory exercises will include intermediate rheometer and tensile testing on several different compounds. Participants will run hardness tests on different compounds.

The fifth day will instruct participants in understanding and interpretation of results from immersion testing. Laboratory exercises will include running volume change, hardness change and tensile testing of samples from immersion tests.

"Introduction to rubber and rubber processing" will be presented June 19-22 by Auggie Gatt, assistant professor of rubber engineering technology at Ferris State University, and Stanley Smith, a rubber technology consultant.

Intended audiences for this course include employees new to the rubber processing industry, including engineers, technicians, technical sales personnel and plant floor managers.

This four-day training program will lead participants through content theory and laboratory exercises on rubber chemistry, rubber mixing, rubber testing and rubber processing.

Day one will provide an introduction to rubber chemistry, including compound types, and basic ingredients and recipes. Rubber ingredient weigh-up, mill mixing and internal mixing will be examined. Laboratory exercises will include demonstrations on ingredient weigh-up and mixing. Participant teams will weigh-up ingredients and mix a batch.

The second day will include an introduction to rubber testing, including rheology, hardness, tensile and immersion testing. Understanding the ASTM/SAE rubber classification system will be stressed. Laboratory exercises will include demonstrations of rubber slab molding and test equipment. Participant teams will mix rubber compound, mold slabs and run rheometer tests.

Day three will focus on the fundamentals of rubber processing methods, including calendering, extrusion, and compression and injection molding. Various rubber products and their related processing methods will be examined. Laboratory exercises will include having teams run tensile tests on samples cut from their slabs. Demonstration of immersion testing techniques using high swell solvents to indicate rubber property change after exposure to fluids will be provided.

The fourth day will provide demonstrations and participant exercises on rubber processing equipment on the laboratory floor, including Barwell, compression press, injection press, etc.

"Internal mixing processes and techniques" will be presented July 9-11 by Auggie Gatt and Stanley Smith. Intended audiences include beginning to intermediate level chemists/compounders, laboratory technicians, and process and plant engineering personnel.

This three-day training program will lead participants through content theory and laboratory exercises on various types of intensive (internal) mixers, mixer operating theory, maintenance, ancillary systems (weighing and control) and mixing cycle development.

Day one will provide an introduction to the rubber mixing process. Types of mixers will be examined, along with the theory of mixer operation, equipment design and maintenance. Laboratory exercises will include design of experiments in the area of materials incorporation and dispersion.

The second day of coursework will examine the development of the mixing cycle. Ancillary systems and controls (weigh-up and PLC controls) will be discussed. Control philosophy (time, temperature and power integration) will be examined. Laboratory exercises will include experimentation with various mix cycles. Evaluation of mix cycle changes with respect to dispersion and distribution will be examined. Laboratory testing exercises will include ODR, tensile and elongation.

Day three will look at quality control of the mixing operation. Manufacturing economics and control of the mixing process will be examined, along with mixing cycle optimization. Laboratory exercises will include experimentation with mixing cycle optimization for quality and cost efficiency. Cycles will be changed to shorten time but maintain quality.

Further information on these courses is available from Ferris State University (888) 378-4378.
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Publication:Rubber World
Geographic Code:1USA
Date:May 1, 2001
Words:882
Previous Article:Continuous mixing of polymeric compounds.
Next Article:Akron Rubber Group.
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