基于六自由度机构平台实施自由曲面确定性抛光

工具定位精度和工艺合理性规划是影响自由曲面表面高质量制造的主要因素。研究了立足计算机控制的确定性制造概念。借助于多自由度机构平台,采取点对点的材料去除方式,针对具有非平缓变化曲率或陡度的自由曲面表面,设计工具结构、规划抛光路径,实施快速均匀抛光,为构建自由曲面计算机控制制造专家系统提供了支撑。

Toward the deterministic polishing of free-form surfaces using grid paths based on a six DOF robot

Surface polishing is typically used for the quick fabrication of free-form surfaces.The continuous demand for better quality has led to demand in higher surface accuracy.However,limiting factors are the positioning accuracy of the tool and the accuracy of the manufacturing process.Aiming to apply computer controlled deterministic polishing is studied for the precise fabrication of free-form surfaces of non-gentle curvature and slopes,the smart tool and reasonable tool paths are designed.The work includes the development of a surface polishing station based on a six degree-of-freedom PUMA robot and ways for restricting the uneven removal of material over a surface during polishing.