FDT
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Frequency and DampingTest Stand SAE J2598 FDT High Precision Automotive Disc Brake Pad Natural Frequency and Damping Test Frequency Range better than standard requirement (500Hz to 16 kHz) Frequency Resolution Damping or Loss Factor according to SAE J2598 Selectable dB Values for Damping Estimation for each Natural Frequency Quality Sentencing based on Frequency Tolerances Temperature The Frequency and Damping Test Stand is optimized for the determination of  Natural Frequencies  Damping Values of brake parts following SAE J2598. Measurement with optional Frequency Correction Measurement Types  Part Type Definition Serial Measurement Measurement Master Part Measurement User Management Work Order Part Types Excitation Unit The broad band excitation is done with an Automatic Impact Hammer:  Frequency Range 0.3 to 40 kHz  Impact Force up to 200N peak  High Reproducibility Vibration Sensor The following sensors can be used with the FDT:  Microphone  Laser Doppler Vibrometer  Acceleration Sensor Data Acquisition 4 Channel DAQ with synchronous sampling  Frequency Ranges 1 kHz to 100 kHz  Frequency Resolution100 to 26500 FFT Lines  AC, DC and IEPE Coupling Windows PC All in One PC with Windows 10  8 GB RAM  256 GB SSD Measurement Data It consists of an aluminium construction with the following components:  Excitation Unit  Vibration Sensor  Data Acquisition  Windows PC Reporting www.maul-theet.com MAUL-THEET GmbH Bülowstrasse 66 D-10783 Berlin tel: 0049

Software The software handles the complete test procedure. It covers user management, parts and work order handling, measurements, analysis, documentation and reporting. Part type specification:  Name and Meta data  Frequency range 1 kHz - 100 kHz selectable  Frequency Resolution (No of FFT lines) selectable  Frequency bands, Frequency Tolerances  dB Values for Damping Calculation (0.5 to 3dB) Measurement Procedure based on Work Order:  Serial Measurement  Repetition Measurement Automatic Measurement Procedure:  Triggering of Automatic Impact Hammer  Measurement of Excitation Force...