Drop Hammer Test Equipment
Providing drop weight tear impact testing for pipes and rigid plastic sheets according to JB T9389 standard.
Product Summary
The Drop Weight Impact Testing Machine is specifically engineered for evaluating the external impact resistance of a diverse range of pipes (including PVC-U water supply pipes, sewage pipes, low-pressure water supply pipes, low-pressure water transmission pipes, core-layer foam pipes, double-wall corrugated pipes, and PE water supply pipes), plates, and rigid plastic sheets.
The product fully complies with the industrial standard JB/T 9389 Technical Specifications for Drop Weight Impact Testing Machines, as well as international standards such as ASTM, ISO, and BS--ensuring test results are accurate, reliable, and compliant with global industry requirements.
Compliance Standards
ASTM D2444, ISO4422, ISO3127, BSEN1411 and BSEN744.
Equipment Characteristics
Three-Level Safety Protection
- Level 1: Sample Chamber Door Safety Protection
- Level 2: Observation Window Safety Protection (temporarily not equipped)
- Level 3: Upper & Lower Limit Safety Protection
Rapid Lifting Function
Equipped with a high-torque stepper motor, the machine achieves a maximum lifting speed of 250 mm/s--enabling a 2-meter lifting height in just 8 seconds for efficient test cycle optimization.
Intelligent Hovering
Adopting a multi-stage speed control algorithm, the machine ensures smooth hammer positioning with zero deviation, maintaining stable test conditions for reliable data.
Optimized Hammer Tube Design with Exhaust Structure
The drop hammer tube is engineered via 3D modeling, integrated with exhaust holes to minimize air resistance during impact. It also features an enhanced hammer tube clamping structure to avoid structural failure and deformation of the tube, ensuring long-term operational stability.
Pneumatic Hammer Clamping & Release System
Replacing traditional electromagnetic hammer mechanisms, the system adopts a high-force pneumatic structure--equipped with a 300N long-stroke double cylinder. The hammer surface is fitted with a rubber pad to ensure stable impact and prevent specimen damage. The pneumatic release design fundamentally eliminates cable fatigue and electrical leakage issues, while the pneumatic automatic locking mechanism guarantees safe and reliable operation.
Integrated & Modular Design
- Mechanical part: Adopts standard aluminum alloy profile assembly, realizing standardized processes, modular installation, lightweight design, and high structural strength.
- Electrical part: Configured with a 7-inch touch screen and Delta PLC, ensuring intuitive operation and stable control performance.
Premium Component Quality
All core components are internationally sourced for reliability:
- Cylinder: Adker brand
- Touch screen: Delta brand
- PLC: Delta brand
- Power supply: Taiwan Mean Well brand
The machine is equipped with comprehensive safety protection measures, including anti-leakage (electrical/water), anti-short circuit, anti-static, anti-interference, anti-power failure, and anti-misoperation functions.
High Automation Level
The instrument automatically performs zero-point calibration, hammer lifting, hammer release, and test execution--streamlining workflow and reducing manual intervention.
Technical Parameters
| Model |
XJL-450M |
| Ambient temperature |
10℃-35℃ |
| Drop hammer quality |
0.5kg-15kg |
| Hammer diameter |
D25mm,D90mm |
| Height of the fall |
50mm-2000mm,error≤±2mm |
| Diameter of the sample |
Φ10mm-Φ450mm |
| Deviation of impact center from fixture center |
≤2mm |
| V-type supporting |
120° |
| Source |
220VAC±10% |
| Outline dimension |
730mm×700mm×3660mm |
| Net weight |
310kg |
Configuration Inventory
| Name |
Quantity |
| Host |
One set |
| Electric cabinet |
One set |
| The hammer body |
One set |
| Weight |
One set |
| Power line |
One piece |
| V-type supporting |
Two pieces |
| Operating tool(wrench) |
One set |
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