Non-contact vibration measurement on rotating objects
The PSV-A-440 Optical Derotator makes it simple to perform non-contact vibration measurements on rotating parts with PSV Scanning Vibrometers. Fully characterize dynamics of rotating objects such as fans for consumer products and vehicles or turbines under operational conditions up to 24,000 RPM.
Highlights
- Accurate data from measurements made under real operating conditions
- Measure real operational deflection shapes
- Run-up and run-down measurements for convenient order analysis without instrumentation
- No telemetry necessary
- Compatible with all PSV-500* and PSV-400 Scanning Vibrometers
- *) except PSV-500 Xtra scanning heads
- Easy synchronization with popular encoder signals
Optimize dynamics and acoustics in RnD
The actual deflection shapes and resonant frequencies due to stiffening effects at high RPM are measured and can be taken into account in the validation process of FE models. By means of the Optical Derotator order analysis and vibration measurement become feasible in a simple manner. Telemetry systems become unnecessary. Sophisticated control electronics track the motion of the rotating object, resulting in a steady position of the laser beam. The actual measurement is astonishingly simple. Due to the synchronized speed of the derotator the object appears to stand still.
The PSV-A-440 Optical Derotator is supplied either as an add-on for a PSV Scanning Vibrometers or as a complete solution comprising the rotating unit with encoder input, a control unit, an adjustable base frame for angular and height adjustment, a PSV-500 Scanning Vibrometer and a single-point reference laser. A software module installed in the Data Management System of the PSV allows easy configuration of the derotator for dynamic run–up tests and static tests.
相关产品
PSV-500扫描式激光测振仪
PSV-500扫描式激光测振仪，采用非接触式测试方法，高精度获取整个表面的振动特性。系统采用氦氖激光源，在反射良好的样品表面具有出色的信噪比，是小型样品和水下产品理想的振动测试工具。PSV-500测试灵活性很高，能帮助研究人员和开发人员轻松地解决最具挑战性的振动测试任务，可视化输出模态振型和特征模态，测试带宽覆盖DC~25MHz。后期用户还可根据实际需要，将系统升级为三维扫描式振动测试系统。
PolyWave
PolyWave - 用于全面分析振动测试数据的可扩展软件包，提供无缝的后处理，使您使用Polytec激光多普勒测振仪进行的振动分析比以往更加有效。