Papers by Author: Ming De Zhang

Abstract: This document provides an analysis of the structure characteristics and grinding process requirements of leading and trailing edges, and proposes a grinding process of leading and trailing edges, established a uneven grinding margin model, research the quantitative grinding pressure control method of uneven margin, as well as the error compensation technology of blade machining deformation, and experiments were carried out on the basis of theories above. The experimental results demonstrate that: after grinding, the edge roundness improved greatly, dimensional accuracy of edge radius can reach ±0.07mm.Compared with the traditional manual polishing method, the grinding quality improved significantly.

Abstract: The influencing factors of machining errors are analyzed aiming at the characteristics of the CNC spiral bevel gears grinding machine. The relation between those factors and machine setting errors is built. The optimization model of nonlinear least square is deduced. According to the mathematics model, an experiment of tooth form deviation correction is done in YK2075 CNC spiral bevel gears grinding machine manufactured by Tianjin No.1 Machine Tool Works. And the mathematics model is verified in the experiment.

Abstract: This paper describes the conventional machining method on turbine blade, brings forward a reasonable method which can polishing free-form surface with abrasive belt grinding technology by CNC, expatiates this new grinding machine structure design and CAM software key techniques , finally summarizes this new grinding techniques and machine.