Checkweigher-use of checkweigher

The checkweigher is used to detect the weight of the product. So, what is the purpose of detecting the weight of the product? What are the uses of our commonly used checkweighers on the product line? The first and most typical use is to ensure that when each product leaves the production line, the weight meets the requirements of the label on the product packaging bag. For example, for food packaging products, the net weight of the food in the packaging bag should meet the requirements of the label weight on the packaging bag. The second use is sorting. In the past, manual selection and grading were performed, which was inaccurate and labor-intensive. However, a checkweigher machine can be used to accurately classify as required. The third purpose is to use the weight of the package to check the quantity. For example, cigarettes packed in large boxes are usually 50 pieces per box, but when the production flow of the packer is large or the incoming material is not enough, the work of the packer may have a small probability of missing 1 to 10 cigarettes. This It is called a missing strip. Through the checkweigher verification, the missing cigarette boxes can be found and eliminated in time. The fourth purpose is to use the weight of the package to check whether all the products in the mixed package of multiple products are complete. For example, in the small packaging bag of instant noodles, in addition to the noodles, there are several bags of materials (such as sauce bags, dried vegetable bags, salt and MSG bags, oil bags, etc.). The leakage phenomenon often occurs, and the leakage can be eliminated in time through the weight check. Instant noodles in filling packs. For digital products such as laptops, mobile phones, and televisions, there are many parts and manuals in the packaging boxes that need to be packaged with large items, but there are often omissions. Products with missing parts can be eliminated in time through checkweigher verification. The fifth purpose is to use checking product weight to find product defects. For example, many auto parts are forged products, such as crankshafts, connecting rods, camshafts, transmission gears and other key forgings, which are required to be free of pores, impurities or other defects. Since the volume of these products is basically constant, and the presence of pores, impurities or other defects usually cause weight errors, unqualified forgings can be eliminated in advance through checkweigher verification, and products with stable safety performance can be obtained. Another use of checkweighers is data collection and statistics, that is, big data applications. When the weighing indicator communicates with the upper computer system, a large amount of data collected during the production process can be used to print reports to realize the efficiency monitoring of the production process. For the packaging line with pre-filling equipment, the feedback control of the filling volume can be carried out according to the trend of the actual weighing value of the product. If the actual weighing value of the product tends to be less than the target weight, the filling volume can be appropriately increased, which is also an important part of product quality control. From the perspective of these applications, there are direct use of weighing to determine product weight or product sorting, and some indirect use of weighing to determine product weight. In short, with the wide application of checkweighers in all walks of life, their uses will become more and more.

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