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Weighing adjustment method of automatic quantitative packaging scale
If you need to adjust the automatic quantitative packing scale, how should you adjust it? The following Xiao Bian tells us about the weighing adjustment methods of 3 kinds of automatic quantitative packing scales , and we hope to help everyone. Automatic quantitative packaging scale applied to industrial and agricultural automated production of automatic quantitative packaging, the entire weighing process controlled by the computer, automatically completed. The automatic quantitative packaging scale has the advantages of high weighing speed, high weighing accuracy, labor saving, saving people, simple operation and convenient maintenance.
First check the automatic quantitative packaging scale sensor wiring is correct, turn on the power of the control cabinet and preheat for 15 minutes before debugging. In this paper, the maximum capacity of 100kg, the division value of 0.2kg, the quantitative value of 90kg, and the accuracy level of the satisfactory X(0.2) skill demand are analyzed as follows:
(1) Partial load adjustment
Place the 10kg weight and place it on the two weighing points of the weighing bucket. When the weighing indicator shows a "positive difference", the sensor output should be adjusted to the falling direction; when the weighing indicator shows a "negative difference," the sensor output should be adjusted to the progressive direction. For example: When the output of the L/C-1 sensor drops, a set of trimming resistors related to L/C-1 (the original value is 10 ohms) are rotated to the left with the same amount of rotation.
Rotate clockwise (clockwise) to decrease the resistance value and increase the apparent value (recorded as "plus");
Rotate counterclockwise (counterclockwise) to add the resistance value and the resulting value decreases (denoted as "minus").
Note: When rotating the trimmer resistors, if the rotation of each group is not common, the adjustment will become difficult. Therefore, the rotation of each set of trimmer resistors of the sensor should be as common as possible. The absolute value of each commitment is not more than 10g is qualified.
(2) Weighing adjustment
The weighing adjustment is carried out in accordance with the process of calibrating the weighing controller. During the inspection, from zero to the maximum point, the weights shall be added in the order of 0kg, 40kg, 70kg, 90kg, 100kg. The error shall not be greater than 10g, 20g, 35g, 45g, 50g; from the maximum value to the zero point. The weights were reduced in the order of 100 kg, 90 kg, 70 kg, 40 kg, and 0 kg, and the errors were not greater than their respective tolerances. Repeatability tests were performed at 40 kg and 100 kg points, and each weighing point was performed 3 times. Greater than their respective tolerances.