Automotive Wires Low - temperature Impact Test Device
Compliance Standards
- ISO 6722 (Road vehicles - 60V/600V single-core cables)
- SAE J1128 (Low Voltage Battery Cable)
- LV 214-2 (Mercedes-Benz Cable Standards)
- GMW3191 (General Motors Wiring Spec)
- JASO D622 (Japanese Automotive Standard)
Technical Parameters
| Parameter | Specification |
|---|---|
| Temperature Range | -70°C to +25°C (±1°C) |
| Cooling Rate | ≥3°C/min (LN2 assisted) |
| Mandrel Diameter | 3×D to 20×D (D=wire OD) |
| Winding Speed | 1-10 rpm (±0.1rpm) |
| Test Samples | Up to 6 simultaneous tests |
| Power Supply | 3PH 400VAC 50/60Hz |
Key Features
- Automated LN2 cooling system
- Multi-axis winding mechanism
- Real-time insulation resistance monitoring
- Frost formation detection camera
- OEM-specific test sequence library
Test Capabilities
| Test Mode | Standard | Parameters |
|---|---|---|
| Cold Winding | ISO 6722 | 4D mandrel @ -40°C |
| Thermal Shock | GMW3191 | -40°C ↔ RT (5 cycles) |
| Cold Bend | SAE J1128 | 180° bend @ -55°C |
Measurement System
- 10μΩ resistance measurement
- High-speed thermal imaging (0.1°C resolution)
- Automatic crack detection (20μm accuracy)
- 1000Hz data acquisition
Standard Configuration
- Cryogenic test chamber (300×300×300mm)
- Adjustable mandrel set (Ø5-50mm)
- Automatic wire tensioner (0-50N)
| ColdFlex Pro analysis software |
Automotive Options
- High-voltage arc tracking detection
- Salt spray corrosion module
- Automated sample handler
- CAN/LIN bus integration
Safety Systems
- Oxygen deficiency monitor
- Emergency warm-up system
- LN2 leakage detection
- Double safety interlock
Implementation Notes
- Calibration required every 500 test cycles
- Sample preconditioning per ISO 2230
- Test data traceability to IATF 16949
Requires LN2 supply (purity ≥99.999%)
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