An integrated model of tool grinding: challenges, chances and limits of predicting process dynamics

An integrated model of tool grinding: challenges, chances and limits of predicting process dynamics
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工具磨削的集成模型:预测过程动态的挑战、机会和限制

DOI:
10.1007/s11740-016-0687-2
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发表时间:
2016
期刊:
Production Engineering
影响因子:
--
通讯作者:
M. Kröger
M. Kröger
中科院分区:
--
文献类型:
--
作者:
K. Payrebrune;M. Kröger

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制造技术的目标是降低加工成本、提高产品质量和优化工艺设置,只有通过考虑整个制造过程及其相互关系才能实现。特别是在刀具磨削中,工件动力学、砂轮啮合、结构变形和切削工艺条件之间存在强烈的相互作用,这使得集成模型成为必要。本文介绍了一种刀具磨削模型,该模型将砂轮和工件的随时间变化的动力学方面与局部变化的接触条件相结合,以在空间和时间上具有高分辨率来预测最终工件的几何形状和切削力。该模型能够重现对切削力和地面几何形状的系统影响,这种影响仅发生在所有系统组件的相互作用中。该模型在表示工艺参数的影响和优化加工方面也经过了积极的测试。模拟和实验数据的出色一致性显示了该模型在制造技术以及研究磨削方面的潜力,而这些方面尚未完全了解。
The objective of manufacturing technology, to reduce machining costs, increase product quality and optimize process setups, is only achievable by considering the entire manufacturing process and its interrelations. Especially in tool grinding, strong interactions exist between workpiece dynamics, grinding wheel engagement, structure deformations and cutting process conditions, which makes an integrated model necessary. This paper introduces a tool grinding model that combines time-dependent dynamical aspects of the grinding wheel and workpiece with local varying contact conditions to predict the final workpiece geometry and cutting forces with a high resolution in space and time. The model is capable to reproduce systemic effects on cutting forces and ground geometries which only occurs in the interplay of all system components. The model is also positively tested in representing influences of process parameters and in optimizing the machining. The excellent agreement of simulations and experimental data shows the model’s potential in manufacturing technology, but also in investigating grinding aspects, which are not fully understood yet.
DOI: 10.1016/j.cirp.2006.10.003
发表时间: 2006-01-01
影响因子: 4.1
作者:
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