SU696281A1 - Instrument for measuring the phase and deformation of plates - Google Patents
Instrument for measuring the phase and deformation of platesInfo
- Publication number
- SU696281A1 SU696281A1 SU772514873A SU2514873A SU696281A1 SU 696281 A1 SU696281 A1 SU 696281A1 SU 772514873 A SU772514873 A SU 772514873A SU 2514873 A SU2514873 A SU 2514873A SU 696281 A1 SU696281 A1 SU 696281A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- measuring
- plates
- deformation
- instrument
- phase
- Prior art date
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
II
Изобретение относитс к устройствам дл измерени формы и деформани; пластин оптическими методами.The invention relates to a device for measuring shape and deformation; plates by optical methods.
Известно устройство дл измерени деформаций , содсржаи1ее растр, нанесенный на повер.хность детали, и фотоанна)ат J | .A device for measuring deformations, a raster deposited on the surface of the part, and a photoan) at J | .
Однако JTO устройство не позвол ет определ ть форму и деформации пластин, перпендикул рные к пх поверхност м.However, the JTO device does not allow to determine the shape and deformations of the plates, perpendicular to the nx surfaces.
Наиболее близким к изобретению те.хннчески .м реп1ением вл етс устройство дл измерени формы и деформаций пластин, содержащее расположенпые последовательно вдоль оптической оси фотоаппарат, экран с нанесенным на него растром, имеющий центральное отверстие, и измерительное зеркало 2.The closest to the invention, technically, is a device for measuring the shape and deformations of the plates, containing a camera arranged sequentially along the optical axis, a screen with a raster coated on it, having a central hole, and a measuring mirror 2.
Недостатком этого устройства вл етс то, что оно не позвол ет измер ть быстро измен ющиес во времени, форму и деформации пластин из-за необходи.мости двойного фотографировани .A disadvantage of this device is that it does not allow for measuring rapidly varying in time, shape and deformation of the plates due to the need for double photographing.
Целью изобретени вл етс повышение производительпости и. точности измерений.The aim of the invention is to increase the productivity and. measurement accuracy.
Поставленна цель достигаетс тем, что устройство снабжено плоским полупрозрачным зеркалом, расположенным нернс-нликул рно оптической оси между экраном и нз .меритель П11м зеркалом, вблизи новорм ости последнего.This goal is achieved by the fact that the device is equipped with a flat translucent mirror, located on the optical axis of the optical axis between the screen and the naz meter P11m mirror, near the norm of the latter.
На чертеже показана оптическа схема устройства.The drawing shows the optical layout of the device.
Устройство содержит экран I с нанесенным на iiero растром, фотоаппарат 2. размещенный за отверстием в центре экрана, узел 3 нагруженп исследуемой пластины 4, закренленное на поверхности исследуемо пластины.The device contains a screen I with a raster deposited on the iiero, a camera 2. placed behind a hole in the center of the screen, the node 3 is loaded with the test plate 4, fixed on the surface of the test plate.
Устройство работает следуюии1М эбразом.The device works by following 1 Abraz.
Растр с экрана 1 ири его отражении от поверхности измерптельного зерка,1а 6 фиксируетс фотоаппаратом 2. С)дповреме1 но изображение опорного растра, отраженное от педеформируемого полунрозрачного зеркала 5, также попадает в обт ектив фотоаипарата . При этом на фотопластинке образуетс картина муаровых полос, по которым определ ют форму и деформации пластиньННаличие полупрозрачного зеркала над поверхностью пластины позво,1 ет измер ть форму и деформации пластин при быстромA raster from the screen 1 or its reflection from the surface of the measuring mirror, 1a 6, is fixed by the camera 2. C) secondly, the image of the reference raster reflected from the semi-transparent mirror 5 that is also deformed also falls into the lens of the photo image. In this case, a picture of moire strips is formed on the photographic plate, which determine the shape and deformations of the plates. The presence of a semitransparent mirror above the surface of the plate allows one to measure the shape and deformation of the plates during fast
изменении их формы и деформаций, также повысить точность измерений.changing their shape and deformation, also improve the accuracy of measurements.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772514873A SU696281A1 (en) | 1977-08-05 | 1977-08-05 | Instrument for measuring the phase and deformation of plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772514873A SU696281A1 (en) | 1977-08-05 | 1977-08-05 | Instrument for measuring the phase and deformation of plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU696281A1 true SU696281A1 (en) | 1979-11-05 |
Family
ID=20721012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU772514873A SU696281A1 (en) | 1977-08-05 | 1977-08-05 | Instrument for measuring the phase and deformation of plates |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU696281A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471307A (en) * | 1992-09-21 | 1995-11-28 | Phase Shift Technology, Inc. | Sheet flatness measurement system and method |
-
1977
- 1977-08-05 SU SU772514873A patent/SU696281A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471307A (en) * | 1992-09-21 | 1995-11-28 | Phase Shift Technology, Inc. | Sheet flatness measurement system and method |
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