Pendulum Impact Tester
1. Function and Application
The Pendulum Impact Tester is designed to evaluate automotive seating systems for compliance with head impact requirements. It simulates realistic impact scenarios to verify that seats and headrests meet safety standards for occupant protection in crashes.
The tester is suitable for automotive manufacturers, seat suppliers, and crash safety laboratories, providing precise, repeatable impact measurements using a pendulum-style impact ram.
2. Applicable Test Standards
FMVSS 201 – Occupant protection in interior impact tests
ECE R21 (2020) – Head impact protection and safety requirements
Custom internal automotive seating safety protocols
3. Technical Specifications
| Item | Specification |
|---|---|
| Test Type | Pendulum impact testing for automotive seats |
| Impact Ram | Pneumatically driven, shop air powered |
| Accumulator Pressure | Approx. 65 PSI pre-charge, adjustable with precision regulator |
| Control System | P.C.-based, Visual Basic software on Windows platform |
| Data Acquisition | Dual accelerometers capture impact pulse graphically |
| Output Options | Print results, save internally or export to disc |
| Mechanical Design | 3-D mechanical configuration (subject to customer approval) |
| Adjustments | Manual vertical height adjustment with locking |
| Rebound Control | Pneumatic brake disc for controlled rebound |
| Impact Velocity | Nitrogen tank used to meet impact velocity requirements |
| Operation | Manual ram setup, accumulator charge, unlock latch, fire |
| Warranty | 1 year manufacturer’s warranty |
4. Features and Advantages
Standards Compliant: Meets FMVSS 201 and ECE R21 impact safety requirements.
Accurate Impact Control: Pneumatic and nitrogen-assisted ram ensures repeatable and precise impacts.
Advanced Data Acquisition: Captures dual accelerometer data for detailed analysis; results can be printed or exported.
User-Friendly Operation: Windows-based software with cursors, calculations, and easy input for operator and test sample data.
Versatile Design: 3-D mechanical configuration can be customized per customer specifications.
Safety and Reliability: Pneumatic brake disc controls rebound and ensures safe operation.
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