Derui chamberIntroduction: The Brain of Your Testing Operation
When investing in a fatigue testing system, the hardware – the robust frame, the precise servo controller – often gets the spotlight. But the software is the indispensable brain that brings it all to life. It’s the interface that transforms raw electrical signals into credible, actionable engineering data. This guide explains the typical software ecosystem we provide, designed to cover every stage of your workflow: from setup and control, to acquisition, and ultimately, to deep analysis and reporting.
1. Core Control & Data Acquisition Software: The Foundation
This is the primary application that drives your tester. Think of it as the cockpit.
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Purpose: To configure tests, control the machine in real-time (applying load, strain, or displacement), and securely acquire and store all raw sensor data (load, position, strain, temperature, etc.) at high speeds.
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Key Capabilities:
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Intuitive Test Setup: Graphical wizards for creating standard tests (e.g., ASTM E606, ISO 12106) and the flexibility to build complex, multi-stage custom sequences.
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Real-Time Control & Monitoring: Live graphs showing command vs. measured signals, with built-in safety limits to protect your specimen and equipment.
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High-Speed, Synchronized DAQ: Ensures all data channels are sampled in perfect sync, which is critical for accurate fatigue life calculation and waveform analysis.
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Direct Hardware Integration: Seamless, low-latency communication with the digital servo controller, ensuring precise command execution.
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2. Dedicated Data Analysis & Reporting Software: Extracting Insight
Raw data files are just the beginning. Dedicated analysis software turns this data into knowledge.
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Purpose: To perform in-depth post-processing, statistical analysis, visualization, and generate professional reports.
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Key Capabilities:
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Cyclic Data Analysis: Automatically identify peaks and valleys, calculate mean stress, stress amplitude, R-ratio, and generate hysteresis loops.
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Fatigue Life Calculations: Apply industry-standard models (e.g., Basquin, Coffin-Manson) to generate S-N (Wöhler) or ε-N curves directly from your dataset.
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Advanced Filtering & Signal Processing: Clean up noisy signals, apply digital filters, and perform Fast Fourier Transforms (FFT) for frequency-domain analysis.
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Customizable Reporting Engine: Drag-and-drop components to create standardized test reports with graphs, tables, metadata, and logos, exportable to PDF, Word, or Excel.
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3. The Critical Bridge: Openness & Compatibility
Proprietary software is powerful, but a closed ecosystem is a limitation. We ensure our software provides open access to your most valuable asset: the data.
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Universal Data Export: Seamlessly export raw or processed data in universal formats like .CSV, .TXT, or .MAT for use in any third-party tool.
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Industry-Standard Connectivity:
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OLE for Process Control (OPC): Enables real-time data streaming to SCADA or MES systems for factory-floor integration.
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Application Programming Interface (API): Allows advanced users to automate test sequences, control the machine remotely, or integrate the testing process into a larger, custom software platform (e.g., using Python, C#, or LabVIEW).
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4. Specialized Modules for Advanced Applications
Beyond core testing, specialized needs require specialized tools.
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Digital Image Correlation (DIC) Integration Module: Synchronizes the test controller with high-speed cameras, allowing strain maps to be directly correlated with load data within a single software environment.
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Crack Growth Analysis (da/dN) Module: Dedicated tools for measuring and analyzing fatigue crack growth rates according to standards like ASTM E647.
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Component Testing Libraries: Pre-configured software profiles and analysis routines for specific components like fasteners, welds, or biomedical stents.
Conclusion: Choosing the Right Software Partner
The right software suite should feel like a natural extension of your engineering process—powerful yet intuitive, specialized yet open. When evaluating a testing system, look beyond the hardware specs. Ask:
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Is the workflow from setup to report logical and efficient?
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Do I own and can I easily access my raw data?
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Can the system grow with my needs through APIs or add-on modules?
We provide not just software, but a complete, connected data ecosystem designed for control, clarity, and confidence—ensuring that the integrity of your test data is upheld from the first cycle to the final report.
