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The Computerized Based Test Bench for Panel Mounted Brake System for LHB Coaches is a high-precision, fully automated pneumatic test rig engineered to evaluate the performance and reliability of the brake system components used in LHB coaches. Developed by Neometrix Group, this advanced test bench is designed to test, validate, and certify critical braking components in compliance with Indian Railways and RDSO standards. This system is specifically designed to test 18 different types of pneumatic brake valves used in LHB coaches. It integrates computerized control, data acquisition, and automatic report generation, ensuring seamless and efficient testing operations. The system operates in both automatic and manual modes, allowing flexible control depending on testing requirements. With high-speed precision testing, robust industrial-grade construction, and intelligent automation, this test bench is ideal for railway workshops, R&D laboratories, and OEM manufacturers working with railway brake systems. Key Features Comprehensive Pneumatic Testing Capability The test bench is specifically designed to test, verify, and certify critical pneumatic components of LHB brake systems. It supports 18 different types of valves, including: • A9 Automatic Brake Valve, responsible for controlling brake pressure in response to operator inputs. • C2W Relay Valve, designed to amplify control signals and maintain pressure stability. • Distributor Valves, which manage pressure distribution within the braking system. • Feed Valves (C2N/FT1/Combined), ensuring proper air supply regulation. • Duplex Check Valve, preventing reverse airflow and ensuring directional stability. • R-6 Relay Valve, a critical component for modulating brake cylinder pressure. • Emergency Brake Application Valve, used to rapidly activate emergency braking procedures. • Magnet Valve, an electrically controlled valve that manages rapid brake engagement. With precise pressure monitoring, automated diagnostics, and predefined test sequences, the system ensures comprehensive evaluation of braking components under real-world operating conditions. Advanced Computerized Control & Automation The system features full PC-based automation, enabling precise and repeatable testing. Key automation features include: • Graphical User Interface (GUI) for intuitive operation. • Automated test execution, reducing manual intervention. • Pre-programmed test sequences to ensure consistent and accurate evaluations. • Real-time data acquisition and logging, with advanced performance analysis tools. • Automatic pass/fail evaluation, reducing operator workload and improving reliability. • Integrated PDF report generation, providing easy-to-read test reports for documentation and compliance. Robust & Durable Industrial Design The test bench is built for long-term industrial use, ensuring durability, stability, and safety. • Constructed with high-grade stainless steel (SS) for superior strength and corrosion resistance. • Digital pressure gauges for highly accurate real-time monitoring. • Heavy-duty modular framework, allowing easy maintenance and system upgrades. • Detachable covers and doors, ensuring easy access to internal components. Dual-Mode Operation: Automatic & Manual The test bench operates in two distinct modes, allowing for both fully automated and manual testing: • Automatic Mode: The test bench follows a pre-programmed sequence that automatically runs diagnostic tests on each valve. The operator selects the required test from the CCUBTB software interface, and the system handles execution, data logging, and reporting. • Manual Mode: For specific testing requirements, the test bench can be operated manually using a dedicated control panel with toggle switches. This allows the operator to select and test individual valves according to customized test procedures. Data Acquisition & Report Generation The system is equipped with an advanced DAQ (Data Acquisition) panel, allowing for real-time monitoring, analysis, and data storage. Key features include: • Real-time pressure monitoring, ensuring precise performance evaluation. • Automated report generation, including PDF test certificates for documentation and regulatory compliance. • Long-term test data storage, enabling historical performance tracking and quality assurance. High-Speed, Reliable Testing Performance The system is designed to operate with compressed air, ensuring consistent, high-speed testing. The precision-controlled airflow and automated valve switching allow for quick test cycles, improving overall efficiency. Seamless Integration & User-Friendly Operation • The plug-and-play design allows the test bench to be easily integrated into existing railway maintenance workshops. • The intuitive control interface minimizes operator training requirements. • The system is fully compatible with industrial PLC and SCADA systems, allowing advanced process control and automation. Technical Specifications The Computerized Based Test Bench for Panel Mounted Brake System for LHB Coaches operates using compressed air as the test medium. The test bench is rated for pressures up to 10.5 Kg/cm2, with a working air supply pressure range between 8 Kg/cm2 and 10 Kg/cm2. The system operates at a flow rate of 70 CFM (2000 LPM), ensuring consistent airflow and stable test conditions. It is designed to function efficiently within an ambient temperature range of up to 48°C. For power supply, the test bench requires 230V ±10%, single-phase, 50 Hz power input, ensuring compatibility with standard industrial power systems. The system integrates PLC-based control for automated testing and includes an advanced DAQ (Data Acquisition) panel for real-time performance tracking. The mode selection system allows the operator to switch between automatic and manual control. System Components The test bench consists of the following major components: 1. Test Bench Stand • Houses air reservoirs, pressure piping, and mounting stations. • Constructed from high-grade stainless steel for superior durability. 2. Measuring System (DAQ Panel) • Utilizes high-precision pressure sensors and transducers. • Provides real-time data acquisition and logging. 3. Computer System • Controls all automated testing functions. • Runs pre-installed test sequence software. 4. Printer • Generates test reports and certification documents. 5. UPS (Uninterruptible Power Supply) • Ensures stable operation during power fluctuations. 6. Control Panel • Includes selector switches, emergency stop buttons, and toggle controls. 7. PLC Panel • Industrial-grade Programmable Logic Controller (PLC) for automated testexecution. 8. Air Dryer • Maintains moisture-free compressed air for optimal testing conditions. Maintenance Guidelines Weekly Maintenance • Close the air dryer inlet and outlet valves. • Drain moisture from air filter and main reservoir. • Inspect and tighten all pneumatic fittings to prevent leaks. Monthly Maintenance • Verify pressure gauge calibration certificates. • Inspect seals and connectors for wear and tear. • Perform full-system diagnostic tests to ensure optimal functionality.
