Simulative approach to investigate the influence of tool deviations on the effective cutting conditions in gear skiving

Procedia CIRP Pub Date : 2025-01-01 DOI:10.1016/j.procir.2025.02.010

Emma Punsmann , Tassilo Arndt , Volker Schulze

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Abstract

In the course of electromobility the demand for resistant and high-precision internal gears is increasing. Gear skiving is a complex manufacturing process offering a good compromise of productivity and flexibility for this application. The process is characterized by a strong variation of the effective cutting conditions across the tool profile and the engagement. Therefore numerical models are required for profound process design. However, common methods for calculating the effective cutting conditions do not take deviations of tool teeth into account.

This work presents a simulative approach to investigate the influence of tool deviations on the effective cutting conditions in gear skiving. An existing penetration calculation is extended to include radial and axial runout and pitch deviation of the tool teeth. An exemplary simulation study is conducted to analyze their influence on the effective cutting parameters with a focus on the detection of extreme values. It is shown that pitch deviations have a significant effect on the uncut chip thickness and the effective rake angle. This effect can be further amplified or mitigated by radial runout deviations.

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采用仿真方法研究了刀具偏差对齿轮切削有效切削条件的影响

在电动汽车的发展过程中，对耐磨损、高精度的内齿轮的需求越来越大。齿轮削削是一个复杂的制造过程，为这种应用提供了良好的生产力和灵活性妥协。该过程的特点是有效切削条件在刀具轮廓和啮合上的强烈变化。因此，深度工艺设计需要数值模型。然而，计算有效切削条件的常用方法没有考虑刀具齿的偏差。本文提出了一种模拟方法来研究刀具偏差对齿轮切削过程中有效切削条件的影响。现有的侵彻计算扩展到包括刀具齿的径向和轴向跳动和节距偏差。通过示例性仿真研究，分析了它们对有效切削参数的影响，重点研究了极值的检测。结果表明，节距偏差对未切削切屑厚度和有效前倾角有显著影响。这种影响可以通过径向跳动偏差进一步放大或减轻。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Procedia CIRP

CiteScore

3.80

自引率

0.00%

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