Shaker applications involve the use of many attachments to the shaker’s armature. Head expanders, fixtures, adapters, and devices under test (DUT’s), all attach to the shaker for the testing process. While it is common to simply consider the added mass of these components, their deformation during vibration can also have a significant impact on the vibrations experienced at any certain point of interest.
Read moreBlade Fatigue Testing (BFT)
Crystal Instruments is excited to announce the release of our new VCS software module, Blade Fatigue Testing (BFT). Fatigue testing of blades is a critical step in mechanical design, whether it be turbine, compressor, or even propeller blades.
Read moreNew Signal Viewer Software
VCS includes a full range of functions to create/run tests, calculate signals, and analyze/report/export data. Some users may not require all these tests and may prefer a lighter, more signal focused experience. These users can now use our new software program, Signal Viewer.
Read moreAnnouncing EDM 11.1
Our team is thrilled to announce the 11.1 version of Engineering Data Management (EDM) software. Packed with a range of new features and improvements, this update is designed to elevate the user experience.
Read moreIntelligent Drive Clipping – Improved Sigma Clipping
Why Sigma Clipping?
This feature prevents amplifiers from tripping when the input ranges of an amplifier are lesser than the drive signal required to achieve a target GRMS.
HASS testing further explained
HASS (Highly Accelerated Stress Screen) received its name in 1988 after being invented by Gregg K. Hobbs, Ph.D., P.E. in 1979.
Read moreMESA Shaker Testing on Dual 300 KN Shaker System
Crystal Instruments Multi-Exciter Single- Axis (MESA) vibration test control allows users to closely replicate real-world applications according to the complex and multi-DOF nature of real vibrations. MESA vibration testing is most commonly used with higher forces on each axis and with long vertical dimensional testing units. Crystal Instruments provides the highest quality and technologically advanced solutions for MESA vibration testing and recently provided comprehensive MESA testing on a dual 300 KN shaker system at an industrial environmental testing lab.
Read moreElectric Vehicle (EV) Battery Testing with Crystal Instruments
In the evolving world of transportation, Electric Vehicles (EV) have become a superior choice for consumers, resulting in a rising demand for automobile manufactures to produce safe, reliable, and efficient EV’s. Along with the higher production volume comes rigorous standards for testing, specifically when it comes to the crucial components, such as battery packs.
Read moreHow to control a vibration test in EDM using a Python MQTT client
Users can monitor the status of environmental tests (vibration, temperature, humidity) operating in EDM VCS, measurements taken in EDM DSA, and remotely located tests by implementing MQTT in EDM.
Read moreNew Ground Vibration Testing Video
Watch our new Ground Vibration Testing video with narration by Walter Kemphaus, Product Manager. To learn more about Ground Vibration Testing, visit: https://www.crystalinstruments.com/ground-vibration-test
Read moreTransducer Calibration Software
The new Transducer Calibration Software helps ensure accurate vibration test measurements by simplifying the calibration process, saving time, and confirming that measurements are performed within specifications.
Read moreTest Group feature in EDM Vibration Control Software
This article discusses a new EDM 11.0 release feature called Test Group, which organizes multiple tests into sections, to run in sequence, and shares test configurations. EDM allows users to configure and re-use the same test for the same or different objects. All configurations and test parameters are applied to a single test. Settings can be loaded and applied to a new test from a saved library. Test configurations are easily shared by sharing just the test file.
Read moreQuickly display many signals in stack plots and individual plots
Updated signal display features in Engineering Data Management (EDM) software, version 11.0 allows users to quickly add many signals in stack plots and individual plots.
Read moreLinear and Angular Displacement Protection for Multiple-Exciter Single-Axis testing
This article discusses the concept and implementation of a unique safety feature for environmental testing with a focus on Multiple Exciter Single Axis (MESA) vibration testing.
Read moreWe are ready to proceed with HALT Testing. Now what?
How mature is my product?
How do we test it?
How many should we test?
Fixturing and instrumentation
What if failure occurs?
What is HALT and how may it benefit my product?
HALT (Highly Accelerated Stress Testing) is a reliability testing method that when facilitated correctly has proven to provide a level of robustness and ruggedization rarely achieved by any other traditional methods of testing. Capitalizing on both singular and synergetic methods of stressors within the same test environment (chamber), latent anomalies have been proven to arise far more rapidly and consistently. The architecture of HALT was designed to simplify root cause failure analysis alleviating the time vs cost paradox to achieve faster design loopbacks. HALT continues to be embraced and then placed into the design process within many industries proving its efficacy.
Read moreMESA Sine on Random Vibration Control
This paper concentrates on the MESA Sine on Random control per MIL STD 810H, method 514.8, annex D, 2.3 category 14. This category governs Sine on Random control for helicopters.
Crystal Instruments designed and released the Spider-80M Multiple-Exciter Single-Axis (MESA) vibration controller in 2018. Further details regarding the MESA testing system are available on the Sentek Dynamics website. Detailed product specifications may be requested from the Crystal Instruments team.
Read moreIntroducing SRS Predictive Notching
Shock Response Spectrum (SRS) testing is commonly required for defense applications. The UUTs are tested under significantly high levels of shock waveforms.
The concept of SRS predictive notching was proposed a few years ago to fully test UUTs and ensure their survival experiencing real-world vibrations while protecting it from over testing.
Read moreTech Talks by TANDM in South Africa (March 15 & 17, 2022)
Technical sessions (Tech Talks) exploring Electrodynamic Vibration Testing technology were organized by Crystal Instruments partner TANDM in South Africa at Cape Town Hazendal Wine Estate, Stellenbosch on March 15, 2022 and at Pretoria, Future Africa, University of Pretoria on March 17, 2022.
Read moreTurbine Blade Fatigue Testing Overview
Turbine engines are the power sources of aircrafts. The reliability of turbine engines is crucial when ensuring aircraft safety. Failure analysis of turbine engines reveals the catastrophic damage a turbine blade failure can cause to the engine, depending on the location of the blade. Turbine blade fatigue testing can help engineers investigate and improve the material and design of turbine blades.
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