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The Theory and Methods of Thermal Behavior Simulation and Control
High-Speed Precision CNC Machine Tools: The Theory and Methods of Thermal Behavior Simulation and Control summarizes the thermal-structure interaction simulation and optimization of high-speed precision machine tools.
Front Cover -- High-Speed Precision CNC Machine Tools -- Copyright Page -- Contents -- 1 Introduction -- 1.1 Overview of high-speed precision machine tools -- 1.1.1 Current status of the machine tool industry -- 1.1.2 Current status of high-speed precision Computer Numerical Control machine tools -- 1.2 Research status and development trend of thermal-structural interaction characteristic modeling -- 1.2.1 Thermal contact resistance of bearing interface -- 1.2.1.1 Macroscopic and microscopic morphological characterizations of rough surfaces -- 1.2.1.2 Integrating multiscale contact mechanics modeling -- 1.2.1.3 Modeling thermal contact resistance at the joint interface -- 1.2.2 Analysis of the current state of experimental research on interfacial contact thermal resistance -- 1.3 Analysis of the current research status of high-speed precision machine tool electric spindles based on rotating heat pipes -- 1.3.1 Current status of experimental research on rotating heat pipes -- 1.3.2 Current status of research on gas-liquid two-phase flow mechanism in rotating heat pipes -- 1.3.3 Study on the thermal-solid coupling characteristics of electric spindle-driven axial flow -- 1.4 Research on topological design of cooling jacket for thermal characteristics regulation in high-speed precision machine... -- 1.4.1 Current state of research on cooling in feed drive systems -- 1.5 Analysis of the current research status on thermal-structural coupling characteristics and thermal error mechanisms in ... -- 1.5.1 Identification and analysis of thermal error sources -- 1.5.1.1 Analysis and simulation of the thermal characteristics of high-speed precision electric spindles -- 1.5.1.2 Thermal characteristics analysis and simulation of feed drive system -- 1.5.1.3 Friction in bearings generates heat -- 1.5.1.4 Thermal rise and heat generation in electric motors.
1.5.2 Modeling and simulating the thermal characteristics of high-speed precision machine tools -- 1.5.2.1 Modeling the thermal attributes of high-velocity precision machine tools -- 1.5.2.2 Simulation techniques for the thermal characteristics of high-speed precision machine tools -- 1.5.3 Temperature monitoring methods and technologies for high-speed precision machine tools -- 1.5.3.1 Methods and technologies for monitoring temperatures in high-speed precision machine tools -- 1.5.3.2 Analysis of temperature monitoring data for high-speed precision machine tools -- 1.5.3.3 Strategies for temperature control in high-speed precision machine tools -- 1.5.4 Active cooling and thermal compensation technology for high-speed precision machine tools -- 1.6 Analysis of the current research status on measurement, modeling and compensation methods for thermal errors in high-sp... -- 1.6.1 Analysis of the current research status on measurement and identification methods for thermal errors in high-speed pr... -- 1.6.2 Current state analysis of modeling methods for thermal errors in high-speed precision machine tools -- 1.6.2.1 Current status of research on modeling methods for thermal errors in high-speed precision machine tools based on ma... -- 1.6.2.2 Current state of research on high-speed precision machine tool thermal error modeling methods based on deep learning -- 1.6.2.3 Current research status of thermal error modeling methods for high-speed precision machine tools based on transfer ... -- 1.6.3 Analysis of the current state of research on thermal error compensation technology for high-speed precision machine tools -- 1.6.3.1 Principles of thermal error compensation in high-speed precision machine tools -- 1.6.3.2 Construction of thermal error control and compensation models for high-speed precision machine tool.
1.6.3.3 Implementation of thermal error control and compensation in high-speed precision machine tool -- 1.7 Encountered opportunities and challenges -- References -- 2 Theoretical modeling and prediction of contact thermal conductance of bearing contact interfaces -- 2.1 Overview -- 2.2 Microscopic morphology characterization and fractal parameter identification -- 2.2.1 Fractal geometry theory -- 2.2.1.1 Identification of fractal parameters -- 2.2.1.2 Characterization of 3D fractal rough surfaces -- 2.2.2 Cantor theory -- 2.3 Multiscale contact mechanics modeling of angular contact ball bearing interface -- 2.3.1 Fractal contact mechanics model for plane/plane interface -- 2.3.1.1 Distribution of contact points -- 2.3.1.2 Deformation properties of contact interface -- 2.3.1.3 Actual contact area -- 2.3.1.4 Load on contact interface -- 2.3.2 Fractal contact mechanics model for roller/bearing ring interface -- 2.3.2.1 Contact area -- 2.3.2.2 Contact load -- 2.3.2.3 Effective contact factor -- 2.3.3 Fractal contact mechanics model for bearing inner ring/shaft journal interface -- 2.3.3.1 Deformation properties of contact surface -- 2.3.3.2 Surface contact coefficient -- 2.3.3.3 Multiscale contact mechanics of two rough curved surfaces -- 2.3.4 Fractal contact model for baring outer ring/bearing housing interface -- 2.3.4.1 Contact state analysis -- 2.3.4.2 Effective contact factor -- 2.3.5 Fractal contact model for ball/bearing ring interface -- 2.3.5.1 Critical deformations -- 2.3.5.2 Effective contact coefficient -- 2.3.5.3 Actual contact area -- 2.3.5.4 Contact load -- 2.4 Modeling for thermal contact conductance -- 2.4.1 Thermal contact conductance model for plane/plane interface -- 2.4.1.1 Thermal conductance of single contact asperity -- 2.4.1.2 Thermal conductance fractal model of multiple points.
2.4.1.3 Thermal contact conductance of the total contact asperities -- 2.4.2 Thermal contact conductance model for roller/bearing ring groove interface -- 2.4.2.1 Discrete thermal contact conductance model -- Heat conduction thermal contact conductance -- 2.4.2.2 Continuous thermal contact conductance model -- 2.4.3 Thermal contact conductance model for bearing inner ring inner surface/shaft journal interface -- 2.4.3.1 Thermal conductance of single contact points -- 2.4.3.2 Thermal contact resistance of total contact asperities -- 2.4.4 Thermal contact conductance model for baring outer/bearing housing interface -- 2.4.4.1 Thermal contact conductance of single pair of contacting protrusions -- 2.4.4.2 Thermal contact conductance of total contacting protrusions -- 2.4.5 Thermal contact conductance model for ball/bearing ring groove interface -- 2.5 Experimental study on thermal contact resistance -- 2.5.1 Test of thermal contact conductance for plane/plane interface -- 2.5.1.1 Test specimens -- 2.5.1.2 Experimental setup -- 2.5.1.3 Experimental validation -- 2.6 Results and discussion -- 2.6.1 Test of thermal contact conductance for roller/bearing ring interface -- 2.6.1.1 Test specimens -- 2.6.1.2 Experimental setup -- 2.6.1.3 Model Validation -- 2.6.1.4 Results and discussion -- 2.6.2 Test of thermal contact conductance for bearing inner ring/shaft journal interface -- 2.6.2.1 Test specimens -- 2.6.2.2 Experimental setup -- 2.6.2.3 Experimental verification -- 2.6.2.4 Results and discussion -- 2.6.3 Test of thermal contact conductance for baring outer ring/bearing housing interface -- 2.6.3.1 Experimental setup -- 2.6.3.2 Experimental validation -- 2.6.3.3 Results and discussion -- 2.6.4 Test of thermal contact conductance model for ball/bearing ring interface -- 2.6.4.1 Experimental setup -- 2.6.4.2 Measuring principle.
2.6.4.3 Experimental validation -- 2.6.4.4 Results and discussion -- 2.6.4.5 Chapter summary -- References -- 3 Heat generation mechanism analysis and transient thermal characteristics simulation of high-speed spindle system -- 3.1 Overview -- 3.2 Analysis of heat generation mechanism of high-speed motorized spindle system -- 3.2.1 Analysis of bearing heat generation -- 3.2.1.1 Bearing equilibrium equations -- Geometric deformation compatibility equation -- Load balance equation of rolling body -- Load balance equation of inner and outer ring -- 3.2.1.2 Heat generation analysis of angular contact ball bearing -- Friction torque caused by bearing external load Ml -- Friction torque caused by viscous friction of lubricant Mv -- 3.2.1.3 Numerical results and analysis -- 3.2.2 Heat generation analysis of built-in motor -- 3.2.2.1 Analysis of AC asynchronous motor losses -- 3.2.2.2 Stator and rotor copper losses -- 3.2.2.3 Motor iron losses -- 3.2.2.4 Additional losses -- 3.2.2.5 Windage losses in the motor -- 3.2.2.6 Motor heat power estimation method based on efficiency analysis -- 3.3 Thermal contact resistance -- 3.3.1 Convective heat transfer between spindle system and fluid -- 3.3.1.1 Forced convection heat transfer between motor stator and circulating coolant -- 3.3.1.2 Natural convection heat transfer between the stationary outer surface of the spindle and the surrounding air -- 3.3.1.3 The forced convection heat transfer between the outer surface of the spindle and the surrounding air -- 3.3.2 Contact thermal resistance of key joints of spindle system -- 3.3.2.1 Contact thermal resistance between the inner ring of the bearing and the shaft journal -- 3.3.2.2 Contact thermal resistance between bearing outer ring and bearing seat -- 3.4 Simulation of transient thermal characteristics of high-speed spindle system.
Chantilly : Elsevier Science & Technology,c2025