Abstract

To reduce carbon intensity and improve energy efficiency in product manufacturing, a comprehensive carbon emission model is essential. Most of the existing researches focus on specific aspects of part machining and lack a quantitative model of the product manufacturing process. Therefore, this paper decomposes and evolves the carbon footprint of product manufacturing from the workshop layer, forming a systematic carbon emission quantitative model. The product manufacturing process is divided into manufacturing equipment layer, part layer, product layer and workshop layer. The sources of carbon emissions in each layer are analyzed and modeled. Finally, take a certain type of wind turbine gearbox as an example. The carbon emissions model for manufacturing process of wind turbine gearbox is established, which provides directions for carbon emission reduction of related manufacturing enterprises. The results show that the rear housing, front housing, and 1st plant carrier are the main carbon emission parts of wind turbine gearbox.

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