スクリューロータホブの研ぎ直しによる刃形輪郭誤差の解析

概要

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A precies analysis has been made for the relationship between resharpening of the screw rotor hob and the profile error of the cutting edge. Firstly, in case that the profile of a relief grinding wheel is given as a series of dispersive points, theoretical equations are derived to represent the profile of the cutting edge after resharpening the hob. Secondly, a numerical analysis method is proposed to obtain the profile error of the cutting edge by using these equations. Thirdly, the theories in this analysis are verified by applying the numerical analysis method to the dimensions of screw rotor hobs and relief grinding wheels. Finaly, the calculation is made for the profile of the screw rotor which is cut by using the resharpened hob. Then, it is clarified that the relationship between the resharpening amount of the hob and the profile error of the screw rotor.
社団法人日本機械学会の論文
2000-06-25