显隐机理驱动的坐标磨床多工艺转换下热力性能解析方法

By using a method driven by explicit and implicit mechanisms, an explicit thermodynamic mechanism equation was established and combined with implicit mechanism analysis. This solved the problem of insufficient accuracy in thermodynamic performance calculation under multiple process conversions in composite coordinate grinding machines, and achieved high-precision thermodynamic performance analysis and machining accuracy assurance.

CN122021371BActive Publication Date: 2026-07-17ZHEJIANG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG UNIV
Filing Date
2026-04-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional methods are insufficient for efficient and high-precision thermodynamic performance calculations under multiple process conversions in composite coordinate grinding machines. Traditional simplified mechanism equations cannot accurately describe dynamic thermodynamic characteristics, resulting in insufficient machining accuracy.

Method used

A method for analyzing thermodynamic performance driven by explicit and implicit mechanisms is established. By combining explicit thermodynamic mechanism equations with implicit mechanism analysis, a complete explicit and implicit thermodynamic mechanism equation is constructed. Multi-source data iterative optimization and alternating optimization mechanisms are used to improve the model prediction accuracy.

Benefits of technology

It realizes high-precision thermodynamic performance analysis under multiple process conversions of composite coordinate grinding machine, provides reliable theoretical support, and ensures the accuracy of machining accuracy and thermodynamic performance analysis.

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Abstract

本申请公开了一种显隐机理驱动的坐标磨床多工艺转换下热力性能解析方法,涉及装备热力性能解析技术领域,该方法首先基于热传导、热对流、工艺间歇性热冲击的热力学规律,结合弹性力学与接触力学理论,建立磨床关键部件多工艺下的显式热力机理方程;经多工艺实测与仿真数据迭代优化,通过符号化、对称化及无量纲化处理,得到多工艺统一的显式热力微分控制方程;以理论预测与实测数据的偏差为目标,解析得到隐式数学表达;最终将隐式表达作为补偿项与显式方程融合,通过交替优化机制迭代修正至热力场预测精度达标。本方法兼顾物理一致性与预测精度,可基于稀疏热力传感数据精准预测机床完整热力场分布,为机床加工精度保障提供可靠理论支撑。
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