JBWH Instrumented Impact Test Machine

JBWH Instrumented Impact Test Machine


describe:
The machine is developed in accordance with the relevant requirements in ISO14556:2000 "Steet-charpy V-charpy V-notch pendulum impact test-Instvmented test method"; GB/T19748-2005 "Instrumented Test Method for Metal Shabby V-notch Pendulum Impact Test"; GB/T3808-2002 "Inspection of Pendulum Impact Test Machine". By testing the impact force value, collecting and analyzing the impact process data, drawing energy change curves, we provide clear physical significance and explanations at different stages of material fracture, and provide detailed and accurate data for studying and analyzing the behavior of the material fracture process. Intelligent instrumented impact testing machines will be the replacement and development direction of current ordinary impact testing machines.
Technical Features:
1. The main frame base and column are integrated design and overall casting processing, with good rigidity and improved the stability of the test;
2. The pendulum shaft is supported by a simple-supported beam, and the radial load distribution of the bearing is reasonable, which greatly reduces the energy loss caused by bearing friction;
3. Adopt a double-stage standard reducer motor hammer lift, and the hoisting device adopts hydraulic buffering, so the hoisting and hoisting is stable;
4. The circular pendulum design of the pendulum ensures accurate blow center and accurate pendulum torque;
5. The impact knife is installed and fixed by screws, making it easy to replace;
6 is equipped with a safety protection pin and is equipped with a fully enclosed protective cover;
7. Microcomputer control, and complete the entire process of swing, impact, automatic swing, and multiple further impact tests according to the instructions.
8. The test machine is equipped with a force sensor and an angular displacement sensor, which has high-speed sampling, storage and calculation functions;
9. Through data analysis and software processing, the microcomputer can obtain: force-time, displacement-time, energy-
Time, force-displacement, energy-displacement and other curves;
10. It can provide: impact speed, impact time, impact energy, absorption energy, displacement, crack formation energy, crack propagation energy, yield force, yield time, yield displacement, yield energy, force, time when force, displacement when force, unstable crack propagation starting force, unstable crack propagation termination force, unstable crack propagation termination displacement, unstable crack propagation starting energy, unstable crack propagation termination energy, unstable crack propagation termination energy and other characteristic values.
Main technical indicators:
Specifications and models | JBW-300H | JBW-450H | JBW-750H |
Impact energy | 300J | 450J | 750J |
Dial scale range and indexing value | 0-300J The index value of each small grid is 2J | 0-450J The index value of each small grid is 3J | 0-750J each small grid index value 5J |
Distance from the axis of the swing shaft to the center of the strike | 750mm | 800mm | 825mm |
Shock speed | 5.2m/s | 5.4m/s | 5.5m/s |
Sample support span | 40+0.2mm | ||
Arc radius at the end of the sample holder | R1+0.5mm | ||
Impact blade arc radius | R2-2.5, R8 | ||
Impact tool angle | 30° | ||
Impact knife thickness | 16mm | ||
Sample specifications | 10×10×55mm | ||
Force sensor accuracy | ≤±1%FS | ||
Angular displacement sensor resolution | 0.1° |
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