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Smart Weigh is committed to helping clients increase productivity at a reduced cost.
Author: Smartweigh–Multihead Weighter
Car multihead weigher is a kind of equipment among multihead weighers. Because car multihead weigher is more convenient, it is chosen by more and more people. For car multihead weigher, from which aspects should we judge its quality? Let's take a look with Zhongshan Smart weigh editor to see what points need to be judged for the quality of the car's multihead weigher! ! ! Car multihead weigher is good or bad. Judgment point 1: The whole vehicle weighing equipment has high weighing precision. At the same time, due to the long table and many data sampling, the weighing accuracy is high. Car multihead weigher is good or bad judgment point 2: weighing principle and error analysis of weighing equipment For example: quartz weighing equipment, quartz weighing equipment is also axle weight weighing equipment. Quartz weighing equipment is based on the principle that piezoelectric quartz crystals will generate charges on the surface when they are subjected to changing loads.
It requires that the load must be variable, in other words, when the vehicle is stationary on it, there is no signal output and it cannot be weighed. The strength of the piezoelectric quartz output signal is not only related to the size of the load, but also to the severity of the load change. At the same time, because the quartz sensor is narrow (generally only 50mm to 60mm), the contact length between the tire and the ground is usually 200mm to 300mm, so the quartz weighing equipment partially weighs the wheel, so the speed of the vehicle and the fullness of the tire inflation will affect the weighing result. The weighing results of this equipment are inaccurate.
The graph below shows the effect of how full a tire is inflated on sensor load. Similarly, for axles with the same weight, different tire diameters will cause different load distributions, which will affect the weighing results. Car multihead weigher is good or bad judgment point 3: Axle group weighing type dynamic steam multihead weigher weighing process Axle group weighing type dynamic multihead weigher can weigh the vehicle in sections, first weigh the front axle once, and then weigh the rear axle once Weighing, adding up the weight of the two sections, you can get the weight of the whole vehicle.
Because the front axle (or rear axle) is weighed at one time, and because its weighing table is relatively long and the sampling data is relatively sufficient, it can be weighed very accurately, so the obtained weight of the whole vehicle is also very accurate. Its weighing accuracy can basically reach the accuracy of the whole vehicle weighing equipment. The above is the first-level content that I shared with you today about the quality of the car multihead weigher. I hope it will be helpful to you. If you have more questions about the multihead weigher, please contact us.
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