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App211 en dtv-brake-discs

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App211 en dtv-brake-discs

  1. 1. A211_eLaser sensoroptoNCDTMeasure Disc Thickness Variation (DTV) on brake discsMeasuring the deformation of brake discs under load Ambient conditions:while braking is an ideal task for the optoNCDT 1700BL. - Approx. 40°C, behind the heat shieldDue to the short wavelength of the blue-violet laser used, - Magnetic interference fieldsthe light emitted from the red-hot brake does not dazz-le the sensor, as the 600-nm wavelength is a long way Requirements for the measurement systemoff the 405-nm wavelength of the blue-violet laser and is - Measuring range: 20 mmeffectively blocked by the high quality interference filters - Linearity: 16 µmemployed. - Resolution 1.5 µmDuring the brake disc measurement, the impact on the - Measuring frequency: 2.5 kHzdisc brake is recorded. With the optoNCDT 1700BL, it waspossible to measure the DTV of the red-hot, 800°C bra-ke disc extremely dynamically and precisely. The sensorwas located in front of a heat shield (shown dismantled inthe image) while measurement was conducted, in orderto protect the sensor from the high temperatures of thebrake disc.With the new Blue Laser technology from Micro-Epsilon,it is possible to measure very hot and glowing surfaceswith a high degree of accuracy. Thanks to the optoNCDT1700BL‘s digital interface, measurements are transmittedquickly and easily to a PC.The blue laser is clearly superior to conventional red onesin similar applications.Micro-Epsilon A member of micro-epsilon groupKönigbacher Straße 15 Tel. 0 85 42/1 68-0 info@micro-epsilon.com Certified DIN EN ISO 9001 : 200094496 Ortenburg Fax 0 85 42/1 68 90 www.micro-epsilon.com Modifications reserved / 9781211-A011061FHF

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