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Capability Database of Injection Molding Process— Requirements Study for Wider Suitability and Higher Accuracy

机译:注塑成型工艺能力数据库 - 更广泛适用性和更高精度的要求研究

摘要

Generally, there is little disagreement that an early consideration of dimensional accuracies achieved in production is conducive to the success of development of injection molding products. While different process capability databases (PCDBs) provide guidance for a meaningful estimation of the expected part variation, the adoption of corresponding guidelines and (proprietary) software tools seems to be, however, limited in industrial practice so far. This research paper addresses the gap between the available PCDBs and the requirement of designers in practice and investigates the key drivers for an improved applicability of corresponding database solutions in an industrial context. A survey of database users at all phases of product value chain in the plastic industry revealed that 59% of the participating companies use their own, internally created databases, although reported to be not fully adequate in most cases. Essential influences are the suitability of the provided data, defined by the content such as material, tolerance types, etc. covered, as well as its accuracy, largely influenced by the updating frequency. Forming a consortium with stakeholders, linking database update to technology changes and connecting dimensioning standards to database offerings are proposed solutions
机译:通常,几乎没有不同意见,即对生产中实现的尺寸精度的早期考虑有利于注塑产品开发的成功。尽管不同的过程能力数据库(PCDB)为有意义地估计预期的零件变化提供了指导,但是迄今为止,在工业实践中,采用相应的指南和(专有)软件工具似乎受到限制。本研究论文解决了可用PCDB与实际设计人员需求之间的差距,并研究了在工业环境中提高相应数据库解决方案适用性的关键驱动因素。对塑料行业产品价值链各个阶段的数据库用户进行的一项调查显示,有59%的参与公司使用自己的内部创建的数据库,尽管据报告在大多数情况下还不够充分。根本的影响是所提供数据的适用性(由所覆盖的内容(例如材料,公差类型等)定义)及其准确性(在很大程度上受更新频率的影响)。提议的解决方案是与利益相关者组成一个联盟,将数据库更新与技术变化联系起来,并将尺寸标准与数据库产品联系起来。

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