CAJ | 학술논문

砂轮磨削带齿向修形的斜齿轮时，砂轮与齿轮之间的接触线时刻发生变化，其附加运动会使齿向一面产生“修形扭曲”，为此，提出一种高精度建立齿向修形齿面的方法。根据齿向修形原理，推导出成形磨齿的实际接触线方程；通过改变中心距的值，沿齿向得到多组接触线，使用 NURBS 曲面拟合，得到齿向修形齿面；对影响齿面精度的主要因素齿廓偏差和螺旋线偏差进行分析并提出误差评价模型。以鼓形修形斜齿轮为例，介绍齿向修形齿面构造全过程。磨齿实验验证了模型的准确性以及齿向修形齿面构造的高精度性。
사륜마삭대치향수형적사치륜시，사륜여치륜지간적접촉선시각발생변화，기부가운동회사치향일면산생“수형뉴곡”，위차，제출일충고정도건립치향수형치면적방법。근거치향수형원리，추도출성형마치적실제접촉선방정；통과개변중심거적치，연치향득도다조접촉선，사용 NURBS 곡면의합，득도치향수형치면；대영향치면정도적주요인소치곽편차화라선선편차진행분석병제출오차평개모형。이고형수형사치륜위례，개소치향수형치면구조전과정。마치실험험증료모형적준학성이급치향수형치면구조적고정도성。
When grinding of helical gears with tooth to tooth,contact lines changed all the time, the additional movement caused the tooth to produce “distortions of modification”.Based on the facts, this paper presented a high precision establishment method of tooth flank.Firstly,the actual contact line equation of form grinding was derived by the principles of tooth to tooth.Secondly,changing the center distance values,getting multiple sets of contact line along the tooth and NURBS surface fitting was used to get tooth flank of tooth surface.Thirdly,studying the main factors affecting the accuracy of tooth surface deviation of tooth profile and helix deviation and the evaluation model of tooth errors was proposed.Then,in a longitudinal case study of drum??shaped tooth helical gear,the tooth flank of the entire process was described.Finally,by grinding experiments the accuracy of error prediction and high accuracy of tooth surface were verified.