Assessing mould costs analysing manufacturing processes of cavities

Assessing mould costs analysing manufacturing processes of cavities
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评估模具成本分析型腔制造工艺

DOI:
10.1007/s00170-011-3265-y
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发表时间:
2011
期刊:
The International Journal of Advanced Manufacturing Technology
影响因子:
--
通讯作者:
Kaddour
Kaddour
中科院分区:
--
文献类型:
--
作者:
Denkena;Schürmeyer;Kaddour

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压力铸造模具制造公司在评估制造成本以产生投标方面存在困难。特别是,模具型腔的制造工作量很难准确预测。由于铸件几何形状的复杂程度不同,型腔加工时间似乎是影响模具成本计算的一个不可预测的因素。本文介绍了一种新的方法,用于生成和分析计算机辅助设计(CAD)模型的模具型腔,计算工具的可达性。利用型腔的几何信息,确定了不同铣头几何形状的工作区域,并计算了加工时间。因此,进行了三步可访问性分析(AA)。除了AA的方法,基于CAD的应用程序的计算工具“可视化形式计算器”(VFC),在IFW开发,提出。使用VFC,公司现在能够生成轮廓元素的虚拟模型,以便在分析型腔制造过程时准确评估模具成本。
Pressure die casting mould manufacturing companies have difficulties assessing manufacturing costs for bid generation. In particular, manufacturing effort of mould cavities could hardly be predicted accurately. Due to varying complexity of casting part geometry, processing time of manufacturing cavities appears to be a rather unpredictable factor influencing costs calculation of moulds. This article introduces a novel method for generating and analysing computer-aided design (CAD) models of mould cavities to compute the tool accessibility. Using geometrical information of cavities, working areas for different milling head geometries are determined, and processing times are calculated. Thereupon, a three-step accessibility analysis (AA) has been conducted. Beside the AA method, a CAD-based application of the calculation tool ‘visual form calculator’ (VFC), developed at IFW, is presented. Using the VFC, companies are now able to generate a virtual model of the contour element in order to assess mould costs accurately when analysing manufacturing processes of cavities.
注塑模具智能成本估算系统及关键技术研究
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