Optimization Design of Key Mold Components for Slab Quality Improvement: Clamping Mechanism and Narrow Copper Plate.
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| Title: | Optimization Design of Key Mold Components for Slab Quality Improvement: Clamping Mechanism and Narrow Copper Plate. |
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| Authors: | Wang, Wenxue1,2 (AUTHOR), Wang, Yu1,2 (AUTHOR) wangyu@cqu.edu.cn, Qiu, Mingjun2,3 (AUTHOR), Yang, Bo1,2 (AUTHOR), Liang, Xiaoping1,2 (AUTHOR), Li, Xinqiang2,3 (AUTHOR), Yao, Chenggong2 (AUTHOR), Li, Zhengchun3 (AUTHOR), Huang, Jun3 (AUTHOR) |
| Source: | Materials (1996-1944). Mar2026, Vol. 19 Issue 5, p862. 16p. |
| Subjects: | Continuous casting, Molds (Casts & casting), Manufacturing defects, Clamps (Engineering), Heat transfer |
| Abstract: | Highlights: What are the main findings? Integrated mold optimization proposed. Disc spring-hydraulic clamp ensures robust casting. Narrow-face copper plate outer chamfer designed based on solidification principles. External chamfer reduces corner defects, extends life 20%, improves yield 0.1%. What are the implications of the main findings? Extends narrow-face life by 20%, reducing maintenance and replacement costs. Reduces corner defects and improves yield, enhancing product quality and competitiveness. Provides a technical approach for future caster mold design and engineering practice. The surface quality and production efficiency of continuous-casting steel slabs are predominantly determined by the performance of the mold. To address slab corner defects and enhance operational stability, this study systematically optimized two key components: the broad-face clamping mechanism and the narrow-face copper plate. A disk spring–hydraulic composite clamping mechanism was designed and subjected to mechanical analysis to ensure sufficient and reliable clamping force under high-load casting conditions. Meanwhile, based on the principle of solidification shrinkage, an external chamfer structure for the narrow-face copper plate was proposed to improve heat transfer uniformity at the slab corner. Engineering design calculations and practical application in an export-oriented wide-and-heavy slab continuous-casting project (specification: 250 mm × 2500 mm) demonstrated that the optimized clamping mechanism provides enhanced structural rigidity, while the new narrow-face copper plate effectively mitigates corner cracks and reduces wear. This integrated design approach significantly improves slab surface quality and extends component service life, yielding substantial economic benefits. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Highlights: What are the main findings? Integrated mold optimization proposed. Disc spring-hydraulic clamp ensures robust casting. Narrow-face copper plate outer chamfer designed based on solidification principles. External chamfer reduces corner defects, extends life 20%, improves yield 0.1%. What are the implications of the main findings? Extends narrow-face life by 20%, reducing maintenance and replacement costs. Reduces corner defects and improves yield, enhancing product quality and competitiveness. Provides a technical approach for future caster mold design and engineering practice. The surface quality and production efficiency of continuous-casting steel slabs are predominantly determined by the performance of the mold. To address slab corner defects and enhance operational stability, this study systematically optimized two key components: the broad-face clamping mechanism and the narrow-face copper plate. A disk spring–hydraulic composite clamping mechanism was designed and subjected to mechanical analysis to ensure sufficient and reliable clamping force under high-load casting conditions. Meanwhile, based on the principle of solidification shrinkage, an external chamfer structure for the narrow-face copper plate was proposed to improve heat transfer uniformity at the slab corner. Engineering design calculations and practical application in an export-oriented wide-and-heavy slab continuous-casting project (specification: 250 mm × 2500 mm) demonstrated that the optimized clamping mechanism provides enhanced structural rigidity, while the new narrow-face copper plate effectively mitigates corner cracks and reduces wear. This integrated design approach significantly improves slab surface quality and extends component service life, yielding substantial economic benefits. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 19961944 |
| DOI: | 10.3390/ma19050862 |
