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Longitudinal Ultrasonic Vibration-Assisted Planing Method for Processing Micro-Pyramid Arrays.

Jiashun Gao^1,2, Zhilong Xu^2,3, Bicheng Guo³

¹Xiamen Ocean Vocational College, Xiamen 361000, China.

|July 27, 2024

Summary

This summary is machine-generated.

A new longitudinal ultrasonic vibration-assisted planing (LUVP) method significantly reduces surface roughness and edge burrs in micro-pyramid arrays (MPAs). This advancement improves optical element precision and lays the groundwork for superior micro-pyramid plastic films.

Keywords:

MPA corrugated surface edge burr longitudinal ultrasonic vibration-assisted planing surface roughness

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Area of Science:

Materials Science
Optical Engineering
Manufacturing Technology

Background:

Micro-pyramid arrays (MPAs) are crucial for high-precision optical elements like light-trapping and reflective films.
Surface roughness and edge burrs on MPAs degrade the optical properties of these elements.

Purpose of the Study:

To develop a novel method for processing MPAs that minimizes surface roughness and edge burr formation.
To compare the effectiveness of the new method against traditional precision planing techniques.

Main Methods:

Development and implementation of a longitudinal ultrasonic vibration-assisted planing (LUVP) experimental platform.
Comparative analysis of MPAs processed using LUVP versus precision planing.

Main Results:

The LUVP method achieved a tool nose amplitude of 3.3 μm at an operating frequency of 19.85 kHz.
MPAs processed by LUVP exhibited reduced surface roughness, fewer and smaller edge burrs, and minimal diamond tool wear compared to precision planing.
MPAs produced via LUVP showed no surface corrugation.

Conclusions:

LUVP is a highly effective method for fabricating high-precision MPAs with improved surface quality.
This research provides a foundational technology for the development of advanced micro-pyramid plastic films with enhanced optical performance.