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Author: Smartweigh–Multihead Weighter
Selecting a high-quality multihead weigher is a weighing controller for each step of obtaining weighing precision. A multihead weigher is a mechanical device that produces and processes the bending load of metal materials. The force is converted into mechanical force into an electronic signal, and the bending does not exceed more than The ductility of metallic materials and measured by strain gauges bonded to the point modules. The transition of the multihead weigher output over time, when the multihead weigher is maintained over a longer period of time. In a 2 to 3 minute intermittent or refill cycle system, stress relaxation is not a significant problem.
But if you use a multihead weigher to monitor warehouse inventory, you also have to consider the risk of stress relaxation. Temperature transitions compromise the output of the sensor by changing the sensitivity of the multihead weigher, unless recalibrated at every large temperature transition. The temperature effect of the zero-load multihead weigher will cause the entire output range of the sensor to shift.
However, if the multihead weigher load is zero again, the weighing cycle time just before the start——If you use it in seasoning, you don't need to pay attention to the harm of this temperature at zero load. The multihead weigher fully considers the response speed of the multihead weigher. Sensor response speed is another factor that must be considered in some applications.
The individual behavior of the model multihead weigher is similar to a hard-bounce yellow shock, and then the completed net weight reading, the multihead weigher deals with stopping the shock in a shorter amount of time during the desired weighing time frame. While the response speed of the multihead weigher is generally not important in seasoning applications, high-speed checkweighing or twisted automatic filling machines must respond quickly from the multihead weigher. When the load is released to the inductor, the multihead weigher suppresses the natural oscillation frequency.
However, the multihead weigher is not resistant to externally released shocks, such as weighing weapons, so the multihead weigher must still be protected from shock sources. Multihead weigher is one of the key mechanical equipment sensor classification, application software is very common, there are many ways. Overall build of the multihead weigher of urethane elastomers, strain gauges, seals, etc.
There are many characteristics of mutual influence hazard sensors, let me analyze their respective functions below. Polyurethane elastomers and resistance strain gauges are excellent, the sensor also only has to be sealed with sealant, the key is to fix the fixed path and seal to avoid environmental factors on the characteristics of the sensor. From the surface layer, the sealant is too soft after drying, and the relatively compressive strength of the polyurethane elastomer can basically be omitted and not counted.
Such hazards must be considered in many ways if used in the field of force measurement for small-scale taxpayers. When a small force is used as the elastic deformation of the polyurethane elastomer is small, the thickness of the sealant is harmful, resulting in deformation. The multihead weigher of the strain gauge is mainly composed of a relatively sensitive grid, a base steel plate and a coating layer composed of lead, etc.
It is based on the strain force function of the relatively sensitive gate resistor, the ductile strain is transformed into frictional resistance, if the raw material itself is backward, then the strain gauge is still backward. The world-renowned manufacturer of strain gages and resistance strain gages has manufactured with a self-indemnity strategy in mind to avoid lag levels as much as possible. It is necessary to consider many aspects when selecting multihead weigher components.
A good load module design scheme must take into account the products with hysteresis effect. According to the above analysis, integrating the details can significantly reduce the lagging size.
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