Quality Control Teststand | VQC
Fully automatic high-precision test bench for determining natural frequencies and damping with interface to ProLINK
With the Quality Control Test Stand | VQC it is possible to determine the modal values (natural frequencies and damping) of various technical components fully automatically, to identify deviating parts and to mark/eject them.
This test is particularly essential for the final inspection of aluminum components (voids + coarse grain formation + geometric deviations), brake pads (pre-deviation + pad detachment) or brake discs (coating + cracks). In production, the modal values are quickly determined parameters for quality control. MAUL-THEET offers a complete system that carries out these measurements fully automatically, evaluates them and, if necessary, marks or ejects the component if it deviates.
Advantages & Innovation
Fully automatic measurement with automatic evaluation
Very short cycle times
SQL database or central database through ProLINK
Automated test system for determining natural frequencies and damping
Cost and time savings through low personnel costs
Easy to use software
Excitation by automatic modal hammer
Vibration measurement with Laser Doppler Vibrometer or microphone
Non-destructive testing
100% testing according to SAE J 2598
Quality factor for damping value
Frequency range up to 100 kHz
Frequency resolution < 1Hz at 20 kHz
Automatic test protocol generation
Freely selectable dB values for the damping calculation
Software guided measurement
Quality Control Teststand | VQC
Applications & Integrations
End Of Line
Quality control
Serial testing of components
Material testing
In Line
Series testing of products
The VQC is a complete measuring system for integration into production consisting of the following components:
Excitation Unit
The broadband 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 VQC can be operated with the following sensor types:
Laser Doppler Vibrometer
Microphone
Data Acquisition
4 Channel DAQ synchronous sampling:
AC, DC and IEPE Coupling
Frequency Ranges 1 kHz to 100 kHz
Frequency Resolution100 to 25600 FFT Lines
Windows PC
Standard oder Industrie-PC mit Windows 10,11:
8 GB RAM
256 GB SSD
VQC Software
The VQC software controls the entire testing process. It includes the automatic measurement of test items in the series, the analysis, and the output to a test protocol.
Part type specification:
Component identification QR or Barcode
dB Values for Damping Calculation (0.5 to 3dB)
Frequency range 1 kHz - 100 kHz selectable
Frequency Resolution (No of FFT lines 100-25600) selectable
Measurement Procedure based on Work Order:
Serial Measurements
Repetition Measurements
Automatic measurement procedure:
Automatic component positioning
Triggering the automatic modal hammer
Measurement of excitation force and vibration response
Averaged the FRF
Peak picking, damping calculation and quality assessment
Command for component separation
Transfer of the test data to:
SQL database connection according to customer specifications
ProLink database connection according to customer specifications
SAP connection according to customer specifications
Printer PDF, Excel, CSV, etc.
Data export
ProLINK
ASCII files
