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A correction method of screw rotor profile error based on parameter adjustment for grinding wheel dresser

机译：基于参数调整的砂轮修整器螺杆转子轮廓误差校正方法

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摘要

Accuracy of grinding wheel profile that is generated by form grinding theory and formed by grinding wheel dresser is a crucial factor affecting profile accuracy of screw rotors. A correction method for screw rotor profile error based on parameter adjustment for grinding wheel dresser such as diameter and distance of diamond rollers is proposed. Influence of diameter and distance of diamond rollers on grinding wheel profile and screw rotor profile based on theory of segmented dressing method is analyzed, and the adjustment method for parameters of grinding wheel dresser is presented. The results of the analysis provide a theoretical basis for error correction in screw rotor grinding. Grinding experiments for female rotor were performed due to the character that the female rotor has smooth bottom profile where the change of profile error is easy to observe. The experimental results show that the height difference between the long and short sides of rotor profile at the bottom of the rotor is significantly r.
机译：由成形磨削理论产生并由砂轮修整器形成的砂轮轮廓精度是影响螺杆转子轮廓精度的关键因素。提出了一种基于砂轮修整器参数调整的金刚石转子轮廓误差校正方法，如金刚石滚轮的直径和距离。基于分段修整法理论，分析了金刚石滚子的直径和距离对砂轮轮廓和螺杆转子轮廓的影响，提出了砂轮修整器参数的调整方法。分析结果为螺旋转子磨削中的误差校正提供了理论依据。由于凹形转子具有光滑的底部轮廓，易于观察轮廓误差的变化，因此进行了凹形转子的磨削实验。实验结果表明，在转子底部，转子轮廓的长边和短边之间的高度差显着为r。

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