Yuelian YL-5507F Foam Energy Absorption Impact Tester
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YL-5507F |
| Price Range | USD 7,000 – 14,000 |
| Instrument Type | Free-Fall Impact Tester for Viscoelastic Foams |
| Nominal Impact Energy | 5 J |
| Impact Velocity | 100 mm/s (adjustable via drop height) |
| Pendulum Moment (Impact Constant) | 100 N·mm/rad |
| Load Cell Capacity | 100 N |
| Maximum Lift Height | 800 mm |
| Drop Height Adjustment Range | 0–800 mm (motorized, precision linear actuator) |
| Steel Ball Mass | User-configurable (standard options: 16 g, 25 g, 50 g, 100 g) |
| Sampling Rate | 100 kHz |
| Release Mechanism | Electromagnetic solenoid with IR position-synchronized trigger |
| Centering Adjustment | Motorized X-Y stage (±25 mm travel) |
| Dimensions (L×W×H) | 500 × 300 × 1400 mm |
| Net Weight | 35 kg |
| Power Supply | 220 V AC, 50/60 Hz |
Overview
The Yuelian YL-5507F Foam Energy Absorption Impact Tester is a precision-engineered free-fall impact system designed to quantify the dynamic energy absorption behavior of flexible polymeric foams, elastomeric cushions, and viscoelastic damping materials. Operating on the principle of controlled gravitational impact, the instrument drops a standardized steel sphere—from a precisely defined height—onto a horizontally mounted foam specimen. The resulting force-time history is captured in real time using a high-fidelity 100 kHz load cell and synchronized electromagnetic release mechanism. Unlike quasi-static compression testers, the YL-5507F replicates transient mechanical loading conditions relevant to packaging drop testing, footwear midsole evaluation, protective padding certification, and automotive interior component validation. Its modular architecture supports ASTM D3574, ISO 1856, and GB/T 6670-compliant test protocols, delivering repeatable, traceable data for material qualification under dynamic loading.
Key Features
- Motor-driven vertical lift system with digital height encoder ensures ±0.1 mm repeatability across the full 0–800 mm drop range.
- Electromagnetic ball release triggered by infrared beam interruption guarantees zero mechanical hysteresis and sub-millisecond timing accuracy.
- Integrated X-Y centering stage enables precise alignment of impact point relative to specimen geometry—critical for anisotropic or heterogeneous foam structures.
- 100 kHz analog-to-digital acquisition captures peak force, impulse, energy dissipation, rebound ratio, and deformation rate without aliasing artifacts.
- Rugged aluminum frame with vibration-damped base minimizes environmental noise interference during low-force (<10 N) measurements.
- Fully programmable test sequences support multi-height, multi-mass, and multi-location impact series with automated report generation.
Sample Compatibility & Compliance
The YL-5507F accommodates rectangular foam specimens up to 150 mm × 150 mm × 50 mm (L×W×T), with optional clamping fixtures for constrained-edge or free-edge boundary conditions. It supports standard test configurations per ASTM D3574 Method I (free-drop impact), ISO 1856 Annex B (energy absorption index), and Chinese national standard GB/T 6670–2008 for soft foam resilience. Data output meets GLP audit requirements, including timestamped raw force-time traces, operator ID, calibration certificate references, and environmental metadata (ambient temperature/humidity logged via optional sensor module). All firmware and software comply with IEC 61000-4-3 EMI immunity standards for laboratory environments.
Software & Data Management
The embedded Windows-based control software provides real-time waveform visualization, automatic peak detection, and customizable calculation modules—including absorbed energy (J), coefficient of restitution (COR), maximum compressive stress (kPa), and hysteresis loop area. Export formats include CSV, PDF test reports, and XML for LIMS integration. Audit trail functionality logs all user actions, parameter changes, and calibration events in accordance with FDA 21 CFR Part 11 requirements when configured with electronic signatures. Raw binary files are stored with embedded metadata headers for traceability across instrument firmware revisions.
Applications
- Quantification of energy absorption efficiency in memory foam mattress cores and seat cushions.
- Comparative evaluation of cross-linked vs. thermoplastic polyurethane (TPU) foams for athletic footwear applications.
- Validation of shock-absorbing properties in medical device packaging per ISTA 3A guidelines.
- Development of low-rebound acoustic insulation foams requiring precise damping coefficient derivation.
- Quality control screening of recycled polyethylene (PE) foam batches for consistency in impact attenuation performance.
- Research into strain-rate sensitivity of nanocomposite foams under high-acceleration impact conditions.
FAQ
What standards does the YL-5507F support for foam impact testing?
ASTM D3574 (Methods I and J), ISO 1856, GB/T 6670–2008, and JIS K 6400-2.
Can the system measure rebound height or coefficient of restitution (COR)?
Yes—via optional high-speed camera integration (up to 1,000 fps) or dual-sensor configuration using secondary optical displacement measurement.
Is calibration traceable to national metrology institutes?
Load cell calibration is performed using NIST-traceable deadweight standards; height encoder calibration uses laser interferometry-certified reference gauges.
Does the software support multi-user access with role-based permissions?
Yes—administrator, technician, and viewer roles are configurable with password protection and session logging.
What maintenance is required for long-term measurement stability?
Annual load cell recalibration, biannual verification of electromagnetic release timing, and quarterly inspection of IR emitter/receiver alignment.
