An optimized calculation method of the grinding wheel profile for the helical flute forming grinding

IF 2.9 3区 工程技术 Q2 AUTOMATION & CONTROL SYSTEMS
Lei Jiang, Zhihui Yang, Yong Li, Guofu Ding, Xin He
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引用次数: 0

Abstract

The forming grinding process is a crucial method for helical flute grinding of the end mill and screw tap, and the grinding wheel profile is the key to ensure the precision of the helical flute, which is constrained by the grinding wheel posture. However, the existing methods have some deficiencies such as the invalidity or uneven wear problems. In this paper, an optimized calculation method of the grinding wheel profile for the forming grinding of the helical flute is proposed, including the suitable grinding posture correspondingly. Firstly, the parametric models of the helical cutting edge and the helical flute surface are established. Secondly, the contact condition between the grinding wheel and the flute is deduced to calculate the grinding wheel profile by the envelop theory. Thirdly, an optimization method for grinding wheel profile is proposed, which could predict of the solution interval, avoid the profile intersection, and improve wear resistance. Finally, the method was verified by a series of simulations and experiments, and the results show that the method could meet the grinding precision requirements and expand the application range of forming grinding technology in helical flute.

Abstract Image

螺旋槽成形磨削砂轮轮廓的优化计算方法
成形磨削工艺是立铣刀和螺旋丝锥螺旋刃磨削的关键方法,而砂轮轮廓是保证螺旋刃精度的关键,它受到砂轮姿态的制约。然而,现有的方法存在一些缺陷,如无效或磨损不均匀等问题。本文提出了一种用于螺旋刃成形磨削的砂轮轮廓优化计算方法,包括相应的合适磨削姿势。首先,建立了螺旋切削刃和螺旋刃表面的参数模型。其次,通过包络理论推导出砂轮与刃口的接触条件,从而计算出砂轮轮廓。第三,提出了砂轮轮廓的优化方法,该方法可以预测求解区间,避免轮廓交叉,提高耐磨性。最后,通过一系列仿真和实验对该方法进行了验证,结果表明该方法可以满足磨削精度要求,扩大了螺旋刃成形磨削技术的应用范围。
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来源期刊
CiteScore
5.70
自引率
17.60%
发文量
2008
审稿时长
62 days
期刊介绍: The International Journal of Advanced Manufacturing Technology bridges the gap between pure research journals and the more practical publications on advanced manufacturing and systems. It therefore provides an outstanding forum for papers covering applications-based research topics relevant to manufacturing processes, machines and process integration.
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