Jiubin JB-JM8 Automotive Radiator Pressure Pulse Tester
| Brand | Jiubin |
|---|---|
| Model | JB-JM8 |
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Pressure Range | 0–300 MPa (selectable) |
| Pulse Frequency | 0–4 Hz |
| Total Power | 30 kW |
| Test Media | Hydraulic Oil, Water, Antifreeze |
| Test Stations | 1–8 (configurable) |
| Mounting | Integrated |
| Waveform Types | Sine, Trapezoidal |
| Test Modes | Pressure Holding, Cyclic Pulse Testing |
| Power Supply | 3-Phase 380 V, 50 Hz |
| Control System | Industrial PC-Based |
| Pressure Control Method | Hydraulic Servo + Electro-Proportional Valve |
| Pressure Ramp Rate | 0–300 MPa/s (programmable) |
| Data Storage Capacity | Up to 200,000 pulse cycles with full waveform logging |
| Temperature Monitoring | Fluid & Ambient |
| Compliance Support | ASTM D3567, ISO 6803, SAE J2711, GB/T 24136 |
Overview
The Jiubin JB-JM8 Automotive Radiator Pressure Pulse Tester is a high-fidelity, industrial-grade fatigue testing system engineered for the validation of thermal management components under dynamic pressure loading. It operates on a closed-loop hydraulic servo architecture combined with electro-proportional pressure regulation, enabling precise generation and control of repetitive pressure waveforms—including sine and trapezoidal profiles—across a wide operational envelope (0–300 MPa, 0–4 Hz). Designed in accordance with core principles of hydrostatic fatigue mechanics, the system subjects heat exchangers—including radiators, condensers, evaporators, oil coolers, and HVAC heaters—to accelerated life-cycle stress conditions that replicate real-world thermal cycling, coolant surge, and transient overpressure events encountered in engine bays and EV powertrain cooling loops. Its modular test station configuration (1–8 positions) supports both single-unit qualification and batch-level reliability screening, while integrated fluid temperature and ambient environmental monitoring ensures thermally representative test execution.
Key Features
- Full-cycle pressure waveform acquisition and storage—up to 200,000 pulses—with timestamped pressure, fluid temperature, and ambient temperature metadata.
- Programmable ramp rate control (0–300 MPa/s), enabling simulation of rapid pressure transients such as water hammer or pump surge events.
- Modular, weld-free pressure train constructed from certified ASME B16.5 and DIN EN 1515-1 compliant components; all high-pressure fittings are ISO 15848-1 leak-classified.
- Dual-zone thermal management: active insulation layer maintains stable fluid temperature (±0.5 °C) and isolates test chamber from ambient fluctuations.
- Real-time graphical display of pressure vs. time curves on industrial touchscreen HMI; exportable via USB 2.0 to CSV or PDF formats.
- Integrated safety interlocks: overpressure shutdown (setpoint configurable), differential pressure alarm across inline filtration, electrical fault detection, and automatic media recovery post-test.
- Robust data integrity architecture: audit-trail enabled logging, user-access levels (operator/engineer/admin), and timestamped event history per test sequence.
- Front-mounted observation window with laminated polycarbonate shielding (EN 166-compliant) and integrated LED illumination for visual inspection during pressurization.
Sample Compatibility & Compliance
The JB-JM8 accommodates standard automotive heat exchanger geometries including tube-and-fin, plate-fin, and brazed aluminum assemblies, with inlet/outlet port adaptability for SAE J1926, ISO 8434-2, and DIN 2353 interfaces. It meets functional requirements specified in ASTM D3567 (Hydraulic Pulse Testing of Rubber Hoses), ISO 6803 (Rubber or Thermoplastic Hoses—Hydraulic Pulse Resistance), SAE J2711 (Coolant Hose Performance Requirements), and GB/T 24136 (Automotive Heat Exchanger Pressure Fatigue Test Methods). Optional calibration traceability is available to ISO/IEC 17025-accredited laboratories, supporting GLP/GMP-aligned validation protocols and FDA 21 CFR Part 11–compliant electronic records when paired with validated software configurations.
Software & Data Management
Control and data acquisition are managed via a Windows-based industrial PC running deterministic real-time test sequencing software. The interface supports multi-parameter synchronization: pressure (0.1% FS accuracy), fluid temperature (PT100, ±0.2 °C), ambient temperature (NTC sensor), and cycle count—all logged at ≥1 kHz sampling rate. All datasets include embedded metadata (operator ID, test protocol version, calibration expiry, environmental conditions) and support SQL-based querying by date range, cycle count, or failure threshold. Export options include ISO-standard .tdms files for MATLAB/Simulink integration, ASTM E1447-compliant test reports, and direct printing with digital signature fields. Firmware updates are delivered via secure HTTPS with SHA-256 checksum verification.
Applications
- Validation of aluminum and copper-brass radiator cores against OEM durability specifications (e.g., Ford WSS-M97B44-D2, GM GMW14872).
- Accelerated life testing of EV battery liquid-cooling plates under combined thermal–mechanical load spectra.
- Leak-tightness and structural integrity assessment of HVAC heater cores subjected to freeze-thaw cycling simulations.
- Qualification of high-pressure refrigerant circuits (R744, R1234yf) in next-generation automotive air conditioning systems.
- Root cause analysis of field failures linked to pulsation-induced fatigue cracking at tube-to-header joints or solder seams.
- Supporting IATF 16949 clause 8.3.4.2 (Design and Development Controls) through documented, repeatable pressure profile replication.
FAQ
What pressure ranges are supported, and how is calibration maintained?
The JB-JM8 offers selectable maximum pressure ratings of 25, 100, 150, or 300 MPa. Calibration is performed using NIST-traceable deadweight testers at three points across the selected range, with certificate validity aligned to ISO/IEC 17025 intervals (typically 12 months).
Can the system perform hold-pressure tests in addition to cyclic pulsing?
Yes—dual-mode operation includes sustained pressure holding (up to 72 hours) with drift monitoring and automatic re-pressurization to maintain setpoint within ±0.5% of target.
Is remote monitoring or integration with MES/QMS platforms possible?
The system provides OPC UA server capability and RESTful API endpoints for bidirectional communication with manufacturing execution systems, allowing real-time status reporting and automated test initiation from centralized quality dashboards.
How is fluid contamination controlled during extended testing?
A dual-stage filtration system (5 µm + 1 µm absolute rating) is installed in-line, with differential pressure sensors triggering visual/audible alarms and optional auto-bypass when ΔP exceeds preset thresholds.
What documentation is provided for regulatory submissions?
Standard delivery includes IQ/OQ protocols, FAT/SAT reports, electrical safety certification (CE, CCC), and material compliance declarations (RoHS, REACH). Custom 21 CFR Part 11 validation packages are available upon request.
