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How to solve the positive and negative errors of electronic tension machines?
Release time：2022-06-24 source：Jinan Hengsi Shanda Instrument Co., Ltd. Browse：
Electronic tension machines are an important equipment in the research of mechanics of non-metallic materials, but there are many models of electronic tension machines, and different electronic tension machines can meet different measurement needs. However, no matter which type of non-metal tensile testing machine is, there will definitely be errors in the measurement, so people will finally determine the accurate value after multiple experiments.
1. When the electronic tensioner is checked, when there is positive and negative error in the test machine's display value, the test machine's display value and the corresponding standard force value are generally corrected. However, it should be noted that artificial correction should not be too arbitrary, but should be corrected according to actual conditions.
2. When the display value error is negative, it is linear. First of all, when checking, you should record the actual error values of each calibration point. Then, when calibration is again during measurement, the standard force value of each calibration point is the standard force value minus the actual error value, so you can adjust it. For example: when the standard force value is 200KN, the error is -4.2KN. During calibration, when the display is 195.8KN, you need to confirm the key and enter the value.
3. When the display value error is a positive error, it is linear. Using negative error, when calibration, the standard force value of each calibration point changes to the standard force value plus the actual error value, and then input it, and you can adjust it.
4. If the value error, whether it is positive or negative, is not linear, and needs to be calibrated by the above method and then calibrated by conventional methods, you can adjust it.
In fact, as long as the errors in the measurement of the electronic tensioner are among the above types, no matter which one is, they can be adjusted to finally obtain accurate values. If you encounter any of the above error problems when measuring, you can use this method to solve them. However, you still need to pay attention to recording data when measuring and do not ignore details.
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