Bending Test device
Compliance Standards
ASTM D790 (Plastics Flexural Properties)
ISO 178 (Flexural Strength of Rigid Plastics)
SAE J2748 (Automotive Composite Flexure)
IEC 62133-2 (Battery Module Bending)
EN 1170-5 (GRC Flexural Testing)
Technical Parameters
| Parameter | Specification |
|---|---|
| Force Range | 0.1N - 2000N (±0.5%) |
| Deflection Accuracy | ±1μm @ 10mm span |
| Test Speed | 0.1 - 500 mm/min |
| Support Spans | 10-500mm (adjustable) |
| Bending Radius | 0.5-100mm (±0.01mm) |
| Angular Resolution | 0.01° |
Key Features
3-point & 4-point bending configurations
Real-time curvature measurement system
Automatic neutral axis calculation
High-speed strain mapping (1000 fps)
Multi-stage bend/reverse bend cycles
Test Capabilities
| Test Type | Standard | Parameters |
|---|---|---|
| Flexural Modulus | ASTM D790 | 2% strain limit |
| Bending Fatigue | ISO 12106 | 10⁷ cycles @ 20Hz |
| Springback Analysis | SAE J2748 | 180° bend + release |
Measurement System
Dual-axis load cell (Fz + Mx)
Laser-based deflection tracking
Surface strain mapping via DIC
Real-time moment-curvature plots
Standard Configuration
Stiffness-rated frame (100kN/m)
Interchangeable rollers (R1-R50mm)
TestXpert III analysis software
2000N capacity load cell
Automotive Options
Battery pack torsion simulation
Seat structure cyclic loading
Door seal compression-bend
Thermal cycling (-40°C to 150°C)
Safety Systems
Over-moment protection
Emergency roller retraction
Specimen ejection detection
Automatic force dump circuit
Implementation Notes
Calibrate per ISO 5893 (Roller alignment)
Maintain 40-60% RH for polymer tests
Use alignment jig for multi-layer stacks
Ground isolation for electronic components
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