JH-7125 Shanghai Automotive Transport Simulation Vibration Table
| Brand | Jinhuhu (JH) |
|---|---|
| Origin | Shanghai, China |
| Model | JH-7125 |
| Table Dimensions (L×W) | 1000 mm × 1200 mm |
| Max Load Capacity | 100 kg |
| Frequency Range | 100–300 rpm |
| Peak-to-Peak Amplitude | 25.4 mm |
| Timer Range | 0–99.99 h (selectable in s, min, h) |
| Power Supply | 220 V AC, 50 Hz, 5 A |
| Motor Type | DC speed-controlled, 1 HP |
| Net Weight | ~300 kg |
Overview
The JH-7125 Shanghai Automotive Transport Simulation Vibration Table is an electromechanical laboratory system engineered to replicate the dynamic mechanical stresses experienced by packaged goods during over-the-road freight transport via standard commercial trucks. Based on controlled sinusoidal reciprocating motion, the table generates repeatable vertical and horizontal vibration profiles aligned with empirical road-spectrum data from ISO 2631-1, ASTM D4728, and ISTA 3A protocols. Unlike broadband random shakers, this unit employs fixed-frequency harmonic excitation at user-selectable rotational speeds (100–300 rpm), enabling deterministic assessment of resonance susceptibility, package integrity degradation, and fixture fatigue under sustained oscillatory loading. Its design prioritizes mechanical robustness, thermal stability, and long-term repeatability—critical for QC laboratories conducting standardized transport simulation per ISO 13355 (vibration testing of packaged products) and GB/T 4857.7 (Chinese national standard for transport packaging vibration testing).
Key Features
- Reciprocating linear vibration mechanism with precision-machined eccentric drive assembly and reinforced steel frame for minimal harmonic distortion and high mechanical damping.
- DC motor-driven speed control with digital tachometric feedback, delivering stable rotational output within ±0.1 rpm resolution across the full 100–300 rpm operating range.
- Peak-to-peak amplitude fixed at 25.4 mm (1 inch), calibrated per ISO 10816-3 guidelines for displacement accuracy verification using laser vibrometry.
- Large test platform measuring 1000 mm × 1200 mm, fabricated from 12-mm-thick anodized aluminum with integrated T-slot grooves for universal fixture mounting and load distribution.
- Programmable digital timer supporting time units in seconds, minutes, or hours (0–99.99 h), with automatic shutdown and non-volatile memory retention for interrupted test recovery.
- Integrated overload protection, thermal cutoff, and emergency stop circuit compliant with IEC 60204-1 safety standards for industrial machinery.
- Compact footprint (approx. 1400 mm × 900 mm × 1100 mm) and 300 kg mass optimized for floor-mounted installation without structural reinforcement.
Sample Compatibility & Compliance
The JH-7125 accommodates a broad spectrum of packaged consumer and industrial goods—including but not limited to electronic assemblies, ceramic ware, furniture components, toy sets, and medical device kits—within its 100 kg maximum payload limit. Test specimens are secured using standard clamping fixtures, vacuum suction plates, or custom brackets compatible with ISO 2234-compliant mounting interfaces. The system meets functional requirements for compliance testing under ISO 4180 (performance specification for transport packages), ASTM D999 (standard test methods for vibration testing of shipping containers), and China’s GB/T 4857 series. While not certified as GLP/GMP-grade instrumentation, its operational traceability supports internal audit documentation when paired with external calibration records (e.g., annual accelerometer verification per ISO 17025-accredited labs).
Software & Data Management
The JH-7125 operates as a standalone hardware platform with no embedded microcontroller or proprietary software stack. All parameter inputs (speed, duration, unit selection) are managed via front-panel membrane keypad and LED display. For laboratories requiring electronic test logs, optional integration with third-party DAQ systems (e.g., National Instruments CompactDAQ or Keysight 34972A) is supported through TTL-level trigger output and analog voltage feedback (0–10 V proportional to actual rpm). Time-stamped run records may be exported manually or via RS-232 serial interface (optional add-on module) for inclusion in LIMS or electronic batch records—satisfying basic FDA 21 CFR Part 11 traceability requirements when validated per site-specific SOPs.
Applications
- Evaluation of corrugated box compression strength loss after simulated highway transit.
- Verification of shock-absorbing material performance (e.g., foam inserts, air pillows) under resonant frequency exposure.
- Pre-shipment validation of consumer electronics packaging for drop-and-vibration combined testing per ISTA 2A.
- Accelerated aging studies of adhesive bonds and mechanical fasteners in automotive interior trim assemblies.
- Qualification of sterilization tray integrity for Class II medical devices undergoing distribution simulation per ISO 11607-2 Annex B.
- Root cause analysis of product damage incidents linked to specific transport leg frequencies identified via field data loggers.
FAQ
Is the JH-7125 suitable for random vibration profiling?
No—it generates only deterministic sinusoidal reciprocating motion at fixed rotational speeds. Random or multi-axis vibration requires dedicated electrodynamic shaker systems.
Can the amplitude be adjusted below 25.4 mm?
No. Amplitude is mechanically fixed at 25.4 mm peak-to-peak; variation is achieved solely via frequency modulation.
Does the unit include calibration certification?
Factory calibration data sheet is provided; however, users must perform periodic verification using traceable accelerometers per ISO/IEC 17025 procedures.
What maintenance intervals are recommended?
Lubrication of drive bearings every 500 operational hours; inspection of belt tension and motor brushes annually or after 2000 hours.
Is CE or UL marking available?
The base model complies with general EMC and LVD directives but lacks formal CE/UL certification; third-party certification can be arranged upon request with additional lead time and cost.
