Why is the combination scale more accurate than the traditional quantitative automatic packaging scale
Release time:
2023-04-03
With the rapid development of modern industry, the food industry has put forward higher requirements for packaging accuracy, packaging speed and scope. At present, the traditional quantitative automatic packaging scale has been difficult to meet the above requirements, in contrast, the computer combination scale weighing accuracy is much higher, thus gradually replacing the traditional packaging scale, has become a more needed products.
No.1 weighing principle is different
The traditional quantitative automatic packaging scale weighs while feeding, and continues to feed before reaching the target weight data. When the difference between the target weight and the target weight is a little, an additional weight must be added, I .e. fine measurement is carried out after coarse measurement. If the individual weight is large or heavy, there will be a large error, which affects the accuracy of the weighing.
The computer combination scale is composed of multiple weighing units with independent feeding and discharging structure, and the general computer combination scale is composed of 8 to 32 weighing units. When the combination scale is working, the computer uses the principle of arrangement and combination to automatically calculate the load of each weighing unit, and obtains the combination of the best and close to the quantitative value for packaging.
For example, a computer combination scale with ten weighing units, each weighing unit is weighed when weighing, and the weight data of each weighing bucket is read into the computer, and the computer makes a preferred combination to select a combination close to the target weight value.
In this way, the above-mentioned fine measurement weighing is a large single weight, and it is difficult to achieve quantitative value of the work of the solution, the computer combination scale is close to the target weight of the combination as the final result.
No.2 weighing speed is different
Traditional quantitative automatic packaging scales generally go through the weighing process of rough measurement and fine measurement, especially the process of fine measurement requires the addition of 1.1 points, which takes a long time and affects the weighing speed.
For example, the weighing speed of the quantitative automatic packaging scale below 1kg is generally 20-30 packs/minute, while the scale of 14 weighing units of the computer combination scale can reach 100-120 packs/minute in the fast optimization combination operation of the computer, which is 4-6 times faster than the weighing speed of the quantitative automatic packaging scale, and is easy to cooperate with various packaging machines, thus greatly improving the production efficiency, more suitable for the needs of modern production management.
No.3 Weighing range is different
Under the condition of the same accuracy, the weighing range of the computer combination scale is larger than that of the quantitative automatic packaging scale. Generally, the weighing range of the quantitative automatic packaging scale under the same accuracy is controlled within 4 times, while the weighing range of the computer combination scale in the small weighing section can reach more than ten times.
If you want to keep the accuracy level unchanged, the quantitative automatic packaging scale can only achieve this requirement by reducing the weighing range and forming multi-stage weighing scale. It can only rely on the production of multiple series of products, greatly increasing the production cost, which brings limitations to its practical application and cannot meet the requirements of different packaging specifications (10-1000g) in some production fields but require similar precision.
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