Let's understand the use process of computer-controlled Pendulum Impact Test Machine

Computer controlled Pendulum Impact Test Machine is a commonly used Impact Testing Machine, which is commonly used in the Charpy impact test of metal materials. It can accurately measure the pendulum impact strength of plastic, film, paper, composite film, metal foil and other materials. The equipment adopts electronic testing, and the degree of automation is very high. Equipped with professional software, curve analysis, data storage and test data comparison can be carried out. In order to ensure its accuracy, we must pay attention to the following aspects in daily operation and use.

Precautions for daily operation of computer-controlled Pendulum Impact Test Machine: if it needs to be moved, the pendulum shall be removed to avoid shaking and damaging relevant parts. Do not put the unused pendulum together with accessories, so as to avoid the compression, bending and deformation of the pendulum rod. The pendulum parts of the Pendulum Impact Test Machine shall not be disassembled or replaced at will to avoid changing the pendulum torque and impact center position.

If the operating mechanism is found to be ineffective, the pendulum cannot be hung or the bolt cannot be removed, the relevant parts can be removed, cleaned with kerosene, coated with a little lubricating oil, and then installed on site. If there is no abnormal reason, the pointer should point to the zero position of the dial after the air raid, and the computer display is 0.01j. If the pointer deviation from zero position after air strike is greater than 0.1% of the maximum impact energy of the corresponding pendulum and the calculation display is not 0, check whether the Pendulum Impact Test Machine is leveled and whether the position of the driving needle is adjusted correctly and tightened through the following points.
Computer controlled Pendulum Impact Test Machine will produce some small faults after long-term use. About common faults encountered:
1. In the tensile test, the fracture of the sample is always on both sides.
2. The sensitivity of dial pointer is poor, the position of pendulum is abnormal, and the pendulum rod of impact testing machine is not vertically aligned.
3. Abnormal return hammer, fast or slow. The passive needle cannot stop at any position and does not coincide with the main needle.
4. During loading, the oil circuit system leaks seriously or the oil pipe is damaged.
5. After the sample is broken, the pendulum falls back quickly, causing impact.
Troubleshooting of impact tester:
1. If the clamping claw is not properly placed during clamping, make the clamping claw symmetrically clamp the sample as required.
2. The jaw quality is poor and the teeth are damaged, which not only affects the different centers of the jaw, but also makes the sample slide during the experiment, making the yield point difficult to identify.