High-Speed Precision CNC Machine Tools : The Theory and Methods of Thermal Behavior Simulation and Control.

Format:

Book

Author/Creator:

Ma, Chi.

Contributor:

Liu, Jialan.

Language:

English

Physical Description:

1 online resource (999 pages)

Edition:

1st ed.

Place of Publication:

Chantilly : Elsevier Science & Technology, 2025.

Summary:

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.

Contents:

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

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.

3.4.1 Temperature field analysis of high-speed spindle system.

Notes:

Description based on publisher supplied metadata and other sources.

ISBN:

0-443-29990-0

0-443-29989-7

OCLC:

1537954313