HD2 Pneumatic Foam Fatigue Tester
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The HD2 Pneumatic Foam Fatigue Tester is a heavy-duty, single-station laboratory testing machine designed to evaluate the dynamic fatigue durability of flexible foam materials under repeated compressive loading. The tester applies cyclic compression to foam specimens using pneumatic actuation, simulating long-term service conditions encountered in seating, mattresses, cushioning, and interior applications. The system supports constant load testing as standard, with constant displacement mode available as an optional configuration.
Application
The tester is suitable for dynamic fatigue evaluation of foam materials used in the following applications:
Flexible polyurethane foam for furniture and bedding
Mattress cores and localized mattress fatigue testing
Sofa seat and backrest cushioning materials
Automotive seat foam and interior cushioning components
Packaging and protective foam materials
Foam formulation development and batch consistency verification
Standardized testing in research laboratories and third-party test institutions
Standards
The HD2 Pneumatic Foam Fatigue Tester complies with or references the following standards:
ASTM D3574 – Flexible Cellular Materials, Dynamic Fatigue Testing (Constant Force Method)
ISO 3385 – Polymeric materials, flexible cellular — Determination of fatigue by constant-load pounding
GB/T 10807 – Flexible cellular polymeric materials — Determination of compression properties (dynamic reference)
GB/T 6342 – Cellular plastics and rubber — Determination of linear dimensions (specimen preparation reference)
Parameters
| Parameter | Unit | Specification |
|---|---|---|
| Test Station | — | Single station |
| Loading Mode | — | Constant load (standard), constant displacement (optional) |
| Test Frequency | cycles/min | 70 |
| Load Measurement Range | lbf | 500 – 2500 |
| Indenter Type | — | Square indenter (multiple sizes available) |
| Standard Indenter Size | in | 15 × 15 (ASTM compliant) |
| Maximum Specimen Height | in | 15 |
| Maximum Specimen Width | in | 28 |
| Maximum Specimen Depth | in | 24 |
| Drive Method | — | Pneumatic (compressed air) |
| Control System | — | PLC with touchscreen interface |
| Power Supply | — | AC 120 V / 240 V |
| Equipment Dimensions | mm | 1070 × 1015 × 870 |
| Equipment Weight | kg | Approx. 69 |
| Construction Material | — | Anodized aluminum and stainless steel |
Features
Pneumatic loading system provides fast response and stable cyclic force
Supports both constant load and optional constant displacement fatigue modes
High-capacity load cell ensures reliable force monitoring during long-duration tests
Standard vented grid and indenter design compliant with international foam fatigue standards
Touchscreen human–machine interface for intuitive parameter setting and operation
Reinforced test platform accommodates large foam specimens
Compatible with standard foam samples and localized fatigue testing on mattresses
Accessories
Standard square indenters (multiple sizes available)
ASTM-compliant vented support grid
High-range load cell
Specimen positioning and fixing components
Pneumatic quick-connect fittings
Integrated control and monitoring software
Test Procedures
Prepare foam specimens in accordance with the applicable standard
Level the equipment and connect electrical power and compressed air supply
Install the vented grid and selected indenter
Position and secure the foam specimen on the test platform
Set loading mode, test frequency, and cycle count via the touchscreen
Start the test and allow the system to run automatically
Stop the machine automatically upon completion of the programmed cycles
Remove the specimen and proceed with post-test evaluation
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