3D打印塑胶芯盒在铁路铸钢件中的应用
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摘要
采用SLS、SLA、FDM及机加工4种工艺,选取了尼龙、光敏树脂、PLA及ABS等4种材质,制备了4种材质的铁路货车侧架字码,并进行了小批量制芯试验,以验证3D打印塑胶芯盒在铁路铸钢件中应用的适用性。结果表明,4种材质芯盒的强度、耐磨性能等满足铸造砂芯生产的要求,3D打印光敏树脂芯盒尺寸精度及表面粗糙度较高,具有加工效率高、制件精度高、成本低、便于修模及结构更改、模具质量轻等诸多优势,适宜于铸钢件的试制及小批量生产。
SLS,SLA,FDM and machining technologies were used to prepare side frame characters in railway vehicle with polyamide,photopolymer,PLA and ABS.Meanwhile,small batches of core-making experiments were carried out to validate the suitability of the 3D printing plastic core in railway castings.The results indicate that the strength and wear-resistance of the four kinds of materials can satisfy requirements of sand core production.Dimensional precision and surface quality of the photopolymer core are more desriable.3D printing photopolymer core has the advantages of high processing efficiency,high accuracy,low cost,easy to repair and change the structure and light weight of mould,which is suitable for application to the trial production and small batch production of steel castings.
SLS,SLA,FDM and machining technologies were used to prepare side frame characters in railway vehicle with polyamide,photopolymer,PLA and ABS.Meanwhile,small batches of core-making experiments were carried out to validate the suitability of the 3D printing plastic core in railway castings.The results indicate that the strength and wear-resistance of the four kinds of materials can satisfy requirements of sand core production.Dimensional precision and surface quality of the photopolymer core are more desriable.3D printing photopolymer core has the advantages of high processing efficiency,high accuracy,low cost,easy to repair and change the structure and light weight of mould,which is suitable for application to the trial production and small batch production of steel castings.
引文
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[4]张海荣,鱼泳.3D打印技术在医学领域的应用[J].医疗卫生装备,2015,36(3):118-120.
[5]陈坚伟,张迪.3D打印技术医学应用综述与展望[J].电脑知识与技术,2013,9(15):3 632-3 633.
[6]夏煜,张和华,向华,等.3D打印技术研究进展及其在医学装备中的应用展望[J].医疗卫生装备,2015,36(4):108-110.
[7]姜雨晨,陈雁西.3D打印技术在足踝外科的应用价值[J].国际骨科学杂志,2015,36(1):15-17.
[8]田伟,肖绪文,苗冬梅.建筑3D打印发展现状及展望[J].施工技术,2015,44(17):79-83.
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[15]陈兴龙,陶士庆,李志奎,等.3D打印技术在模具行业中的应用研究[J].机械工程师,2016(1):174-176.
[16]门正兴,李其,郑旭,等.3D打印技术在大型铸锻件领域应用的可行性分析[J].大型铸锻件,2015(5):1-3.
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