采用化学成分分析、宏观和微观组织检验以及力学性能测定等方法对在使用过程中发生开裂的包胶辊进行了分析。
The cracking encapsulated roller in use was analyzed by means of chemical composition, macrostructure and microstructure examination and mechanical property test.
输送辊道全部包胶，运转平稳，防止了玻璃在输送时被划伤。
Conveyor Roller Full package glue, smooth operation, to prevent the glass was scratched in the transportation.
与钢带表面接触的托辊，护辊均采用聚氨脂包胶处理。
The surface of supporting roll and guiding roller, which contact with coiled metal, are covered with PU.
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