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Since 2012 - Smart Weigh is committed to helping clients increase productivity at a reduced cost. Contact us Now!
Author: Smartweigh–Multihead Weighter
Automatic multihead weigher is a kind of automatic weighing equipment in assembly line, which can detect product weight with high precision and high speed. Do you know how to use multihead weigher? What are the advantages of automatic multihead weighers and how to weight the multihead weighers. Through this article, you will learn about the use and advantages of automatic multihead weighers and weight differentiation. First, what are the advantages of automatic multihead weighers? 1. 100% sampling; when automatic multihead weigher is not selected, most enterprises are sampling inspections, especially large-volume enterprises.
Assuming that an assembly line passes through 80 products in one minute, and the operator randomly selects 20 products per hour, the sampling rate is about 0.42%; the sample size is too small to reflect the overall situation. 2. Detect whether the product is overweight or underweight; 3. Ensure compliance with the national average weight law on the weight of packaged products; 4. Perform integrity testing on the whole packaged product without unpacking; 5. The feedback element of the system can The information is fed back to the filling equipment to adjust the filling volume and effectively reduce waste of resources and short-packed products; 6. The products can be classified by weight; 7. Statistical data reflect production efficiency; 8. Save labor and improve production efficiency. Secondly, after understanding the advantages of automatic multihead weigher, let's see how to use automatic multihead weigher correctly? How to use the automatic multihead weigher: (1) Maintain good weighing habits when using it.
During the weighing process, try to place it in the middle of the electronic multihead weigher, so that the platform scale sensor can balance the force. Avoid the uneven force of the weighing platform and the fine inclination, which will lead to inaccurate weighing and affect the service life of the electronic platform scale. (2) Check whether the horizontal drum is centered before each use to ensure the weighing accuracy.
(3) Always clean the sundries on the sensor, so as not to resist the sensor, resulting in inaccurate weighing and jumping. (4) Always check whether the wiring is loose or broken, and whether the grounding wire is reliable. Always check whether the limit clearance is reasonable, and whether the scale body is in contact with other objects, collides, etc.
Finally, we are looking at how the automatic multihead weigher differentiates the weight: the intermediate reference weight (target weight of the package), the TU1 and TO1 values are the thresholds that separate the weight zones, they are: Zone 1——underweight, zone 2——Acceptable Weight, Zone 3——overweight. This classification method is sufficient for general purposes, but it cannot accurately describe the production situation. The 3-zone classification does not apply to fiscal applications where two underweight zones are required.
In this case, the 5-zone classification method is used. Intermediate reference weight (target weight of packaging), TU1, TU2, TO1, TO2 values are the thresholds for separating weight zones, they are: Zone 1——underweight, zone 2——low weight, zone 3——Acceptable Weight, Zone 4——Heavy, Zone 5——overweight. Adding two partitions allows a more precise representation of the weight distribution.
In the 5-zone classification, TU1=TNE, TU2=2TNE, the TO1 and TO2 values are not specified, they are meaningless from a legal point of view. In practice, the thresholds are set to other values, generally smaller than those given in the specification, to allow for financial checks. TNE, Tolerable negative error, allows negative errors.
This summary of knowledge about the advantages of automatic multihead weigher, how to use automatic multihead weigher, and automatic multihead weigher for weight distinction hopes to be helpful to everyone.
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