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Comprehensive analysis of the thermal impact and its depth effect in grinding
CIRP Annals ( IF 4.1 ) Pub Date : 2021-06-11 , DOI: 10.1016/j.cirp.2021.04.010
C. Heinzel , J. Heinzel , N. Guba , T. Hüsemann

The focus of this work is the analysis of the thermal impact and its depth effect in different grinding processes. The investigated processes cover different kinematics and thus broad ranges of the relative speeds and the intensities of the moving heat source regarding the ground surface. A uniform lower process limit characterizing the onset of grinding burn for the different kinematics is identified by means of the specific grinding power and the contact time. The experimental results together with the theoretical considerations of peak temperatures lead to the conclusion that the process specific range of the contact time is mainly responsible for the thermal depth effect. The results enable the targeted exceeding of the critical process limit in roughing and the subsequent correction by finishing.



中文翻译:

磨削热冲击及其深度效应综合分析

这项工作的重点是分析不同磨削过程中的热影响及其深度影响。所研究的过程涵盖了不同的运动学,因此涉及地表的移动热源的相对速度和强度范围很广。通过特定的磨削功率和接触时间确定了表征不同运动学的磨削烧伤开始的统一过程下限。实验结果与峰值温度的理论考虑一起得出结论,接触时间的过程特定范围主要负责热深度效应。结果能够在粗加工和随后的精加工中有针对性地超过关键工艺限制。

更新日期:2021-07-12
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