KDP (potassium di-hydrogen phosphate) crystal is used to fabricate important electro-optic parts. It is a typical hard-to-machine material because it is soft, brittle, and anisotropic. Parts made of KDP usually have extremely high requirements for machining quality. Reported machining methods so far for KDP crystal include single point diamond turning, grinding, magnetorheological finishing, and polishing. This paper presents an experimental investigation on diamond drilling of KDP. Data of several output parameters (including grinding force and torque, surface roughness, and edge chipping) were collected and analyzed. Ultrasonic vibration was superimposed to the rotation of the tool to study its effects.
- Manufacturing Engineering Division
Experimental Investigation on Diamond Drilling of Potassium Di-Hydrogen Phosphate (KDP) Crystal
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Wang, Q, Pei, ZJ, Gao, H, Churi, NJ, & Kang, R. "Experimental Investigation on Diamond Drilling of Potassium Di-Hydrogen Phosphate (KDP) Crystal." Proceedings of the ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASME 2008 International Manufacturing Science and Engineering Conference, Volume 1. Evanston, Illinois, USA. October 7–10, 2008. pp. 457-464. ASME. https://doi.org/10.1115/MSEC_ICMP2008-72489
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