2006•Materials science forumRequires access

Research on the 5-axis Machining of Blisk

Chuang Guo Hu, Ding Hua Zhang, Jun Xue Ren, Lei Yang

Abstract

The study presents a new method for 5-axis machining of blisk, which consists of both roughing tunnels and finishing blades. The ruled surface is used to approximate the freeform surface of blade, and the boundary contour of the tunnel is then determined. Based on the double point offset method, the 5-axis tool paths for roughing blisk tunnel region are generated. Similarly, by linking the corresponding points on the tool center curves and the tool axis drive curves, the spiral tool paths are developed to finish milling thin-walled blades taking into account the residual stresses induced part distortion during machining. This strategy is experimentally verified.

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Available abstract

Key concepts: Machining, Offset (computer science), Materials science, Distortion (music), Point (geometry), Mechanical engineering, Spiral (railway), Surface (topology)