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Toyoda Gosei and Toyota Central R&D Labs jointly develop technology to reduce the amount of steam used in manufacturing rubber products

Energy consumed during exchange of air and steam cut in half

Toyoda Gosei Co., Ltd. and Toyota Central R&D Labs., Inc. have jointly developed new technology that reduces the amount of energy used in the production of rubber products.

After rubber automotive hoses are formed, they are put in an autoclave and heated with high temperature steam to give them elasticity. During this process, large amounts of steam are used to raise the temperature to a fixed level. Much gas is consumed to create this steam. To reduce the amount of steam used, Toyoda Gosei focused on the process of exchanging the air inside the autoclave with steam and leveraged Toyota Central R&D Labs’ simulation technology that can analyze with high accuracy the airflow and heat distribution within the autoclave. The new, energy-saving technology, under joint patent pending, reduces by half the amount of steam needed during discharge compared with the previous process.

This technology is currently being used at Toyoda Gosei’s Morimachi Plant in Japan and will cut 110 tons of CO2 annually. The company plans to roll out application of this technology to its other rubber parts plants in Japan and internationally, contributing to the achievement of carbon neutrality by 2050.

SOURCE: Toyoda Gosei

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