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Fly-Cutting Processing of Micro-Triangular Pyramid Arrays and Synchronous Micro-Scrap Removal
Jiashun Gao1,2, Zhilong Xu2,3, Yu Lei4
1Xiamen Ocean Vocational College, Xiamen 361000, China.
Micromachines
|May 25, 2024
Summary
A new fly-cutting method rapidly removes micro-scraps during micro-triangular pyramid array (MTPA) machining. This technique enhances surface quality and reduces tool wear, paving the way for precision optical elements.
Area of Science:
- Materials Science and Engineering
- Manufacturing Processes
- Optical Engineering
Background:
- Micro-triangular pyramid arrays (MTPAs) are crucial for optical applications.
- Traditional fly-cutting generates micro-scraps that degrade surface quality and tool life.
- Ineffective micro-scrap removal leads to workpiece scratching and accelerated diamond tool wear.
Purpose of the Study:
- To develop an improved fly-cutting method for producing MTPAs.
- To address the challenge of rapid micro-scrap removal during machining.
- To enhance the precision and quality of micro-triangular pyramid optical elements.
Main Methods:
- Developed a novel fly-cutting technique for vertically oriented working surfaces.
- Machined micro-triangular pyramid arrays on vertical workpieces.
- Analyzed micro-scrap residue, surface quality, and diamond tool wear.
Main Results:
- Achieved MTPAs with clear structures, high dimensional accuracy, and low surface roughness.
- Successfully eliminated micro-scrap residue on the workpiece.
- Observed minimal diamond tool wear and reduced burrs on cutting edges.
Conclusions:
- The developed fly-cutting method effectively removes micro-scraps from vertical surfaces.
- This technique significantly improves the quality and precision of machined MTPAs.
- Provides a foundational method for fabricating high-precision micro-triangular pyramid optical elements.
