Wahab, Muhammad Faiz and Aung, Lwin Moe and Abd. Aziz, Ahmad Aizuddin and Mohamad@Yusof, Asri (2015) Investigation of mirror-like surface finish in optical glass (BK7) lapping. In: Malaysia-Japan Joint International Conference 2015 (MJJIC2015), 13-15 Nov, 2015, Japan.
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Official URL: http://mot.yamaguchi-u.ac.jp/MJJIC2015/
Abstract
Surface quality of optical glass is crucial for application in high precision products. This paper aim to investigate the surface roughness improvement and the limit surface roughness of the BK7 optical glass for mirror-like surface finish. Due to the brittleness of workpiece, lapping pressure need to be controlled diligently to prevent crack and brittle fracture from occurring. At first, the new lapping tool is installed on the collect chuck of the CNC milling machine and lapping is performed by the table movement in X and Y direction by NC control. Then, suitable lapping parameters are carefully selected for ductile mode machining in mirror-like finishing process. According to results, the mirror-like surface is achievd with proposed lapping method especially in low lapping pressure of 25MPa.
| Item Type: | Conference or Workshop Item (Paper) |
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| Uncontrolled Keywords: | lapping pressure, ductile mode machining |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Malaysia-Japan International Institute of Technology |
| ID Code: | 63365 |
| Deposited By: | Fazli Masari |
| Deposited On: | 30 May 2017 03:06 |
| Last Modified: | 30 May 2017 03:06 |
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