Rapid crack growth testing machine/ Rapid Crack Growth Resistance Tester / High-Speed Crack Propagation Tester
Standard
- ISO 13477: Designed exclusively for determining critical pressure (Pc) and temperature (Tc) in polyethylene pressure pipes during rapid crack propagation.
Product Advantages
1. Robust & Adaptable Design
- Universal Compatibility: Tests pipes fromØ50mm to Ø500mm(1629/1671 models) with interchangeable fixtures.
- Motorized Precision: Servo-driven actuator ensures repeatable impact energy delivery.
2. Cutting-Edge Control
- Touchscreen Interface: Pre-programmed ISO 13477 test sequences with adjustable strike velocity (10/15/20 m/s).
- Real-Time Adaptation: Auto-adjusts strike force based on pipe stiffness feedback.
3. Safety & Accuracy
- Pressure Lockout: Prevents test initiation until safe containment is confirmed.
- Laser Alignment: Sub-millimeter positioning of impact head and specimen.
4. Automated Workflow
- Cryogenic Feeder (1671 Model): Robotic arm loads pre-chilled samples (-20°C to -40°C) into test chamber.
- Self-Centering Chucks: Automatic pipe alignment reduces setup time by 60%.
5. Data Integrity
- High-Speed Cameras: 2,000 fps recording of crack initiation and propagation.
- AI-Assisted Analysis: Machine learning algorithms quantify crack velocity (±0.1 m/s accuracy).
Product Features
- Motorized Strike System:
- Electromagnetic actuator with 0–25 Bar hydraulic boost.
- 3-stage impact energy calibration (10/15/20 m/s).
- Cryogenic Chamber (1671 Model):
- Liquid nitrogen cooling with <5°C gradient across 1.2m chamber.
- Auto-defrost cycle prevents ice buildup.
- Pressure Control:
- Proportional valve system maintains ±0.1 Bar stability during testing.
- Explosion-proof pressure vessels rated to 30 Bar.
- Safety Systems:
- Dual-layer acrylic shielding with interlock sensors.
- Emergency venting system activates within 50ms.
- Software Suite:
- CrackVision 3D™: Synchronizes pressure, temperature, and high-speed video data.
- Cloud RCP™: Remote monitoring for global teams with API integration.
Technical Parameters
| Specification | Model 1629 | Model 1671 |
|---|---|---|
| Max. Pipe Ø | 250 mm | 500 mm |
| Impact Velocity | 10/15/20 m/s | 10/15/20 m/s |
| Test Pressure | 0–25 Bar | 0–25 Bar |
| Temperature Range | -20°C to +60°C | -40°C to +60°C |
| Power Supply | 220V/50Hz (110V/60Hz) | 380V/50Hz 3-phase |
| Footprint | 1,500mm × 1,200mm | 2,400mm × 1,800mm |
| Weight | 850 kg (net) | 1,600 kg (net) |
Accessories & Options
- Calibration Kit:
- NIST-traceable pressure gauge and velocity sensor.
- Software Add-Ons:
- FEA Link: Export stress profiles to ANSYS/Abaqus.
- Batch Processor: Queue up to 50 tests overnight.
- Safety Upgrades:
- ATEX-certified enclosure for flammable gas testing.
- Acoustic emission sensor for micro-crack detection.
- Custom Fixtures:
- Corrugated pipe adapters (Ø50mm–Ø1,200mm).
- High-temperature seals for geothermal applications.
- Service Contracts:
- 24/7 remote diagnostics + annual recalibration.
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