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Rapid Crack Propagation Tester

Rapid Crack Propagation Tester
  • Rapid Crack Propagation Tester
Produced by: Qinsun Instruments Co., LTD

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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

SpecificationModel 1629Model 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

  1. Calibration Kit:
    • NIST-traceable pressure gauge and velocity sensor.
  2. Software Add-Ons:
    • FEA Link: Export stress profiles to ANSYS/Abaqus.
    • Batch Processor: Queue up to 50 tests overnight.
  3. Safety Upgrades:
    • ATEX-certified enclosure for flammable gas testing.
    • Acoustic emission sensor for micro-crack detection.
  4. Custom Fixtures:
    • Corrugated pipe adapters (Ø50mm–Ø1,200mm).
    • High-temperature seals for geothermal applications.
  5. Service Contracts:
    • 24/7 remote diagnostics + annual recalibration.

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