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基于 3D 打印的高压开关铝合金 壳体铸造成型工艺
CastingForming Process of a Certain Type of High-voltage Switchgear Cast Aluminium Alloy Shell Based on 3D Printing
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- DOI:
- 作者:
- 杨兴翔 1，夏永喜 1，李沛根 2
YANG Xingxiang1, XIA Yongxi1, LI Peigen2
- 作者单位:
- 1. 西安西电开关电气有限公司，陕西 西安 710077；2. 西安西开精密铸造有限责任公司，陕西 西安 712000
1. Xi'an XD Switchgear Electric Co., Ltd., Xi'an 710077, China; 2. Xi'an XK Precision Founding Co., Ltd., Xi'an 712000, China
- 关键词:
- 3D 打印；铝合金铸件；铸造工艺设计
3D printing; aluminium alloy casting; casting process design
- 摘要:
- 介绍了高压开关用某型号复杂铝合金壳体采用 3D 打印砂型技术的铸造成型过程。 结合 3D 打印砂型技术设计灵活性、制造快捷性的优势，进行了针对性的铸造工艺设计，包括浇注系统设计、冷铁设计以及砂型(芯)打印方案设计等，并通过模拟仿真技术验证优化工艺设计。 经铸件制备与检验验证，最终获得符合高压开关行业技术要求的合格产品。 相较于传统模具方案，该工艺将产品研制全周期缩短 50%以上，无需高成本模具投入，实现了产品快速响应、快速制备与快速迭代，显著提升研制效率，并为铸件定制化、差异化、复杂化设计提供了便捷路径。A process of casting a complex aluminium alloy shell for high-voltage switches via 3D printing sand mold technology was introduced. Leveraging the advantages of 3D printing sand mold technology in design flexibility and rapid manufacturing, a targeted casting process design was conducted, including a gating system design, chill design, and sand mold (core) printing scheme. The optimized process design was verified via simulation technology, and the qualified products meeting the technical requirements of the high-voltage switch industry were finally obtained by casting preparation and inspection verification. Compared with the traditional mold scheme, the process will research the product. The whole production cycle is shortened by more than 50% without high-cost mold investment, which results in a rapid response, rapid preparation and rapid iteration of products, significantly improves development efficiency, and provides a convenient path for customized, differentiated and complex designs of castings.