Chemical water jet-ultrasonic rotational shear rheomolding polishing method and apparatus

By employing a composite manufacturing method combining chemical water jetting and ultrasonic rotary shear rheology, the problems of surface roughness and polishing fluid recycling in additive manufacturing parts have been solved, achieving highly efficient and precise polishing results. This method is particularly suitable for complex workpieces such as aerospace materials.

CN122401285APending Publication Date: 2026-07-17HEFEI UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HEFEI UNIV OF TECH
Filing Date
2026-04-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies are ineffective at removing the texture features and surface roughness of additively manufactured parts, and the efficiency of polishing fluid recycling is low, resulting in insufficient surface quality and processing efficiency.

Method used

A composite manufacturing method combining chemical water jet pretreatment and ultrasonic rotary shear rheology is adopted. A softening layer is formed by chemical abrasive water jet, and then polishing is performed by ultrasonic rotary shear rheology to create a vortex effect, achieving a polishing effect at the near-atomic scale. An efficient polishing fluid circulation system is also designed.

Benefits of technology

It significantly improves the machining capability and surface quality of complex workpieces, achieves efficient and high-precision polishing, reduces subsurface damage and stress concentration, optimizes the recycling of polishing fluid, and is suitable for difficult-to-machine materials such as 3D printed parts and aerospace materials.

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Abstract

一种化学水射‑超声旋转剪切流变复合制造抛光方法，利用化学磨粒水射流预处理工件表面形成软化层，之后通过超声旋转剪切流变形成涡动效应抛光去除工件粗糙材料，达到原子近原子尺度抛光效果，从而实现化学水射‑超声旋转剪切流变复合制造抛光。以及提供一种化学水射‑超声旋转剪切流变复合制造抛光装置，旋转盘位于箱体中部，喷嘴装置位于旋转盘的上方，超声辅助装置位于旋转盘的上部，旋转辅助装置包括密封圈和伺服电机，伺服电机固定在箱体下部，伺服电机的转轴穿过箱体底面与旋转盘固定连接，密封圈位于伺服电机的转轴与箱体底面连接处。本发明实现高效与高精度结合，显著提升复杂工件加工能力与表面质量，具有较高的加工精度。
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Citation Information

Patent Citations

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