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Grinding process for beveling and lapping operations in lens manufacturing
O F Farsakoğlu1, D M Zengin, H Kocaba
1Logistics Command, Technical Management Department, 06100 Gümüşdere Ankara, Turkey.
Applied Optics
|March 18, 2008
Summary
This study presents a loose abrasive grinding process for lens beveling, analyzing material removal and surface roughness. It establishes a model based on lateral fracture to optimize parameters for optical glass manufacturing.
Area of Science:
- Materials Science
- Optical Engineering
- Manufacturing Processes
Background:
- Lens beveling is crucial for optical element manufacturing.
- Traditional methods may have limitations in precision and efficiency.
- Loose abrasive grinding offers a potential alternative for controlled material removal.
Purpose of the Study:
- To present a loose abrasive grinding process for lens beveling.
- To determine optimal grinding tool parameters for various optical elements.
- To analyze the influence of optical glass properties on material removal and surface roughness.
Main Methods:
- Analysis of loose abrasive grinding for lapping operations.
- Development of a material removal model based on lateral fracture theory.
- Experimental investigation using Barton Garnet abrasive mineral.
Main Results:
- Established a model for material removal via rolling abrasive particles causing lateral cracking.
- Obtained lapping time data for various optical glasses under specific large-diameter lens manufacturing conditions.
- Identified key parameters influencing material removal and surface roughness.
Conclusions:
- Loose abrasive grinding is a viable method for lens beveling.
- The developed lateral fracture model aids in optimizing grinding parameters.
- Understanding glass material properties is essential for efficient lens manufacturing.
