8 Ram Static Load and Pull Tester
1. Product Function and Application
The 8 Ram Static Load and Pull Tester is designed for multi-point static load and pull testing applications in the automotive, aerospace, and structural testing industries.
It provides precise control and measurement of both tensile and compressive forces through eight independently controlled hydraulic rams.
The system is ideal for seat structure testing, anchorage validation, body-in-white load testing, and component durability verification, where multiple simultaneous loading points are required.
2. Applicable Test Standards
Custom load testing in compliance with FMVSS, ECE, and OEM-specific structural and safety validation requirements.
Can be configured for customer-defined static and quasi-static test procedures.
3. Technical Specifications
| Feature | Specification |
|---|---|
| Load Cylinders | (8) Hydraulic cylinders, 45 kN (10,000 lbs) each |
| Cylinder Bore / Stroke | 2.5” (63.5 mm) bore × 1 m (40”) stroke |
| Cylinder Construction | Low-friction seals, internal displacement transducers (protected design) |
| Cross Beams | (3) Solid steel beams, 150 mm (6”) diameter with swivel-mounted rear clevis blocks |
| Height Adjustment | 250 mm (9.8”) to 2.5 m (98”) |
| Width Adjustment | Up to 2 m (78”) |
| Frame Structure | Dual forward support frames bolted to bedplate |
| Cross Beam Operation | Power lift system with jog control (one beam at a time) |
| Cylinder Mounting | Two-way gimbal mounting for free-floating alignment |
| Cylinder Balance | Individually counterbalanced via overhead winches and springs (zero net weight) |
| Hydraulic Valves | (8) Servo-proportional valves |
| Load Cells | (8) Load cells rated 10 k lbs tension & compression |
| Hydraulic Manifolds | (3) Custom 3-station aluminum manifolds with accumulators, dump, and check valves |
| Accumulator System | (8) Hydraulic accumulators with check and safety power valves |
| Anti Cross-Talk System | Independent accumulators prevent signal interference between cylinders |
| Hydraulic Plumbing | Complete, pressure-tested assembly included |
| Safety Controls | 3-way dump valve with adjustable bleed-down control |
| Power Unit | 15 HP standalone hydraulic power pack (480 V, 3-phase) |
| Filtration | 10 µm pressure & return filters |
| Cooling System | Integrated air cooler, automatic overheat & low-oil shut-off |
| Bedplate Construction | One-piece fabricated steel, 5 m × 4.5 m (16.4’ × 14.7’) |
| Surface Flatness | ±3 mm (1/8”) |
| T-Slot Spacing | 150 mm (6”) centers, perpendicular to load direction |
| Mounting Hardware | 12 fixture nuts included (additional optional) |
| Finish | Powder-coated, customer-specified RAL color |
| Design Software | 3D AutoCAD; 2D drawings provided for approval |
| Control System | PC-based, floor-standing console |
| DAQ Hardware | National Instruments cards & breakout boards |
| Control Channels | (8) PID controllers, (8) load cell conditioners, (12) auxiliary channels |
| Software Platform | VB.NET custom interface, Windows OS |
| Operation Safety | “Dead-man” switch for active test mode |
| Training | Full system debug, tuning, and customer training performed before shipment |
4. Product Advantages and Features
Eight independent load rams with precise digital control for flexible multi-point loading.
Internal displacement transducers for accurate position feedback and durability.
Servo-proportional control ensures smooth, repeatable load applications.
Independent accumulator design eliminates hydraulic signal interference.
Comprehensive PC-based DAQ system with real-time data visualization and logging.
Custom software (VB.NET) tailored for your test parameters and procedures.
Rugged steel bedplate with powder-coated finish and precision T-slot mounting.
Safety-focused design, including emergency dump valves and operator “dead-man” switch.
Factory pre-tuning and operator training ensures immediate operational readiness.
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