Study on High Precision Contour Grinding. (1st Report). Effects of Curvature Radius Change of Workpiece and Thermal Deformation of Machine Structure.

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  • 高精度輪郭研削加工の研究　第１報　　工作物曲率変化と機械熱変形の影響
  • コウセイド リンカク ケンサク カコウ ノ ケンキュウ ダイ1ポウ コウサクブツキョクリツ ヘンカ ト キカイ ネツ ヘンケイ ノ エイキョウ
  • Effects of Curvature Radius Change of Workpiece and Thermal Deformation of Machine Structure
  • 工作物曲率変化と機械熱変形の影響

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Abstract

In order to establish the high precision contour grinding method, the reference position correct sensor is first developed for compensating the thermal deformation of a machine structure, and then the controlled normal force grinding method is developed to control a fluctuation of a normal grinding force. Main conclusions obtained in this study are as follows: (1) It is made possible to correct the error of wheel depth of cut accurately, with using developed reference position correct sensor. (2) The controlled normal force grinding technique is developed, through the analysis of the feed rate setting conditions correspond to the curvature variation of a workpiece. (3) High performance contour grinding method, with which both constant surface roughness and high dimensional accuracy can be obtained in any curvature radius of a workpiece, is developed by using the controlled normal force grinding method incorporate the reference position correct sensor.

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