非正交超精密切削加工金刚石刀具非均化磨损技术研究
发布时间：2025-03-19 03:01
本文考虑了在车床上采用旋转获得球面和刀具附加直线运动的加工方案,即非球面刀具的切削部分与切削层和加工层(平面、球面和非球面)的接触条件。还尝试根据切削条件和每个单独点的接触持续时间来分析预测金刚石刀具的可能磨损,这对于长期加工大块零件特别重要。根据预期磨损的数据,以及由此产生的刀具形状变化及其切削零件特性,估计这些变化对加工表面形状的影响。为了提高刀具寿命和加工表面性能,提出了轨迹和切削参数的修正建议。
【文章页数】：126 页
【学位级别】：硕士
【文章目录】：
摘要
Abstract
Chapter 1: Introduction
1.1. The Source of Topic, Research Purpose and Significance
1.1.1. The Source of the Topic
1.1.2. Introduction
1.1.3. Research Background and Significance
1.2. Research at home and abroad, analysis
1.2.1. Research Status Aspheric ultra-precision machining technology
1.2.2. Status Aspheric Surface Processing Machine
1.2.3. Research Status of Piezoelectric Driven Micro-Feed Technology
1.2.4. Processing Research Status aspheric turning process parameters
1.2.5. Research Status of the Wear of a Single-Crystal Diamond Tool
1.3. Main research contents
Chapter 2: Research on Spherical and Aspheric Large-Scale Processing Technology
2.1. Introduction
2.2. The Main Principle of Aspherical Machining Based on Swing Feed
2.3. Trajectory of The Tool Nose Circle Center
2.4. Consideration of the Nearest Parabola to the Sphere
2.5. Calculating the Difference Between the Parabola and the Nearest Sphere
2.6. Control Technology of Tool Servo Feeding Device Based on PZT
2.7. Chapter's Summary
Chapter 3: Research on Non-Orthogonal Machining
3.1. Introduction
3.2. Calculation of the Feed of the Swing Arm of the Machine Tool
3.3. Roughness Model of the Spherical Surface
3.4. Tool's Relative Rotation and Variation in Angles of Cutting
3.5. Cutting Surfaces and Layers Affecting the Trajectory and Cutting-PointsPosition
3.6. Modeling the Process to Obtain Contact Information
3.6.1. Introduction
3.6.2. Model Simplification
3.6.3. Transformation Matrices
3.6.4. Point of Contact Coordinates and Related Geometry Angels
3.6.5. Calculation Steps and Cutting Zones
3.7. Chapter's Summary
Chapter 4: Research on Non-Homogenous Diamond Tool Wear
4.1. Introduction
4.2. Considering the Properties of the Diamond and the Possibility of WearPrediction
4.3. Wear Prediction Model
4.4. Recommendations
4.5. Chapter's Summary
Conclusion
References
Acknowledgements
Resume
APPENDIX: Wolfram Language Program Text
本文编号：4036592
【文章页数】：126 页
【学位级别】：硕士
【文章目录】：
摘要
Abstract
Chapter 1: Introduction
1.1. The Source of Topic, Research Purpose and Significance
1.1.1. The Source of the Topic
1.1.2. Introduction
1.1.3. Research Background and Significance
1.2. Research at home and abroad, analysis
1.2.1. Research Status Aspheric ultra-precision machining technology
1.2.2. Status Aspheric Surface Processing Machine
1.2.3. Research Status of Piezoelectric Driven Micro-Feed Technology
1.2.4. Processing Research Status aspheric turning process parameters
1.2.5. Research Status of the Wear of a Single-Crystal Diamond Tool
1.3. Main research contents
Chapter 2: Research on Spherical and Aspheric Large-Scale Processing Technology
2.1. Introduction
2.2. The Main Principle of Aspherical Machining Based on Swing Feed
2.3. Trajectory of The Tool Nose Circle Center
2.4. Consideration of the Nearest Parabola to the Sphere
2.5. Calculating the Difference Between the Parabola and the Nearest Sphere
2.6. Control Technology of Tool Servo Feeding Device Based on PZT
2.7. Chapter's Summary
Chapter 3: Research on Non-Orthogonal Machining
3.1. Introduction
3.2. Calculation of the Feed of the Swing Arm of the Machine Tool
3.3. Roughness Model of the Spherical Surface
3.4. Tool's Relative Rotation and Variation in Angles of Cutting
3.5. Cutting Surfaces and Layers Affecting the Trajectory and Cutting-PointsPosition
3.6. Modeling the Process to Obtain Contact Information
3.6.1. Introduction
3.6.2. Model Simplification
3.6.3. Transformation Matrices
3.6.4. Point of Contact Coordinates and Related Geometry Angels
3.6.5. Calculation Steps and Cutting Zones
3.7. Chapter's Summary
Chapter 4: Research on Non-Homogenous Diamond Tool Wear
4.1. Introduction
4.2. Considering the Properties of the Diamond and the Possibility of WearPrediction
4.3. Wear Prediction Model
4.4. Recommendations
4.5. Chapter's Summary
Conclusion
References
Acknowledgements
Resume
APPENDIX: Wolfram Language Program Text
本文编号：4036592
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