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Abstract
This article describes the process of replacing imported bearings with domestic composite sliding bearings in the hydroelectric engineering industry from three main aspects: thrust bearing of hydraulic generator, water distributor bearing of hydraulic turbine and spherical plain bearing of steel gate of hydraulic metal structure; expounds that we have adopted the development mode of imitation and independent innovation instead of plagiarism or re-innovation after technology introduction. In the process of domestic development, we relied on our continuous learning and innovation, focused on intellectual property protection, and aimed at the advanced international level; summarizes the achievements made in the application technology level of domestic products through our own efforts over the past 40 years, i.e. achieving the replacement of imported bearings with domestic bearings and realizing the export of domestic bearings; and presents the prospect of application of composite sliding bearings in hydroelectric engineering.
Highlights
This article describes the process of replacing imported bearings with domestic composite sliding bearings in the hydroelectric engineering industry from three main aspects: thrust bearing of hydraulic generator, water distributor bearing of hydraulic turbine and spherical plain bearing of steel gate of hydraulic metal structure; expounds that we have adopted the development mode of imitation and independent innovation instead of plagiarism or re-innovation after technology introduction
Sliding bearings are classified into unlubricated bearing, boundary lubricated bearing and fluid lubricated bearing based on lubricated conditions
Traditional sliding bearings are only made of cast iron, copper alloy, babbitt metal, nylon, birchwood, etc
Summary
Sliding bearings are classified into unlubricated bearing, boundary lubricated bearing and fluid lubricated bearing based on lubricated conditions. With their more varieties and different characteristics, sliding bearings are widely used. The domestic composite sliding bearings have been applied in the water conservancy industry for more than 40 years, and the main application fields are shown in the table below:. 2. Process of Replacing Imported Bearings with Domestic Composite Sliding Bearings in Hydroelectric Engineering Industry. The process of replacing imported bearings with domestic composite sliding bearings in the hydroelectric engineering industry is described below from three main aspects: thrust bearing of hydraulic generator, water distributor bearing of hydraulic turbine and spherical plain bearing of steel gate of hydraulic metal structure
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