Phase Measuring Deflectometry
Phase Measuring Deflectometry
Ultra-precision 3D surface shape measuring instrument for free-form injection molded parts in the mass production stage, such as free-form ultra-precision optical components, automotive displays, space optics and drone sensors, military IR lenses, HUD reflectors, windshields, headlight units, etc.
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자유형상 고정밀 고속 검사 장비 원리
Knauer, Markus C., Jurgen Kaminski, and Gerd Hausler. “Phase measuring deflectometry: a new approach to measure specular free-form surfaces.” Optical Metrology in Production Engineering. Vol. 5457. International Society for Optics and Photonics, 2004.
Shape measurement and analysis results
| Geometric precision | Measurement time | |
|---|---|---|
| Company P measurement equipment results | P.V 1.3629 ㎛, RMS 0.1439 ㎛ | 3h 12m 26s |
| Results from our own measuring equipment | P.V 1.446 ㎛, RMS 0.158 ㎛ | 93sec |