基于石膏型精密铸造的项目制实验教学设计

Project-Based Experimental Teaching Design for Precision Casting Using Plaster Molds

  • 摘要: 针对传统实验教学中存在的突出问题,以培养学生的实践创新能力为实验设计理念,制作创意奖杯为实验目标,综合运用计算机仿真和石膏型精密铸造技术,开设了基于计算机仿真技术的创意奖杯项目制实验课程,探索了材料成型及控制工程专业创新型实验教学新模式。学生自主设计浇注系统,并对创意奖杯铸造过程进行计算机仿真模拟,预测铸造缺陷,进行工艺优化,获得合理的浇注工艺方案。运用石膏型精密铸造技术,经过制蜡样、组蜡模、种蜡树、灌浆料、制石膏型、合金熔炼、真空吸铸等工序,最终制得创意奖杯。实验教学设计以创意奖杯的制作为目标不失趣味性,又包含石膏型精密铸造等专业技术不乏专业性,实现了理论、实验课程深度交叉融合,提升了学生的工程实践和动手能力,激发了学生的创新热情,为卓越的工程实践创新型人才培养奠定了坚实基础。

     

    Abstract: In response to the prominent issues existing in traditional experimental teaching, this paper takes the cultivation of students' practical innovation ability as the experimental design concept and the production of creative trophies as the experimental goal. By comprehensively applying computer simulation and gypsum mold precision casting technology, a project-based experimental course based on computer simulation for creative trophies has been established, exploring a new model of innovative experimental teaching for the Materials Forming and Control Engineering major. Students independently design the gating system and conduct computer simulation of the creative trophy casting process to predict casting defects and optimize the process, thereby obtaining a reasonable casting process plan. Through processes such as wax pattern making, wax mold assembly, wax tree planting, slurry casting, gypsum mold making, alloy melting, and vacuum casting, the creative trophies are ultimately produced. The experimental teaching design, with the production of creative trophies as the goal, is both interesting and professional, incorporating gypsum mold precision casting and other specialized techniques. It achieves a deep integration of theory and experimental courses, enhances students' engineering practice and hands-on abilities, stimulates their innovative enthusiasm, and lays a solid foundation for the cultivation of outstanding and innovative talents.

     

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