What is the calculation formula of multihead weigher

Author: Smartweigh–Multihead Weighter

Anyone who knows the multihead weigher knows what the algorithm formulas of the multihead weigher are. Understanding the multihead weigher algorithm is a necessary skill for professionals. The editor has compiled the professional knowledge of this multihead weigher algorithm formula and shared it with you. Let's talk about the algorithm formula of the multihead weigher. The multihead weigher mainly has two algorithm formulas: the feed rate calculation formula of the loss-in-weight weighing and the cumulative weight calculation formula The loss value of internal weight is theoretically expressed as: MT=dG/dt where MT: feeding rate dG: weight loss value dt: measurement cycle The feeding rate under the display state of the weighing instrument can be calculated by the following formula: MT =n(d± β*d1)/(td±te) in the formula d: the scale value displayed by the weighing instrument n: the number of changes in the scale value displayed d1: the resolution in the weighing instrument - the measurement error coefficient, usually β=O.6td: the measurement period te: the timing error coefficient, usually te=0.001 2. Cumulative weight calculation formula: In a complete accumulation cycle, the cumulative weight of the weightless discharge is composed of two parts, namely the discharge weight measured and stored by the weighing instrument and the weight of the discharge that is not measured during the feeding period of the weighing hopper. Metered discharge weight.

Gq=VA+ VDVA=( VH+￡H )-( VL-￡L) VD=MTL* tF In the formula, VH : the upper limit of the feeding weight in the weighing hopper VD : the lower limit of the feeding weight in the weighing hopper ￡H : Weighing error at the upper limit value of weight Degree value to represent: MTL=K (d± β*d1)/(1±te) Feeding time depends on the feed flow rate MF of the feed gate, MF≈10 MT tF = VA /MF1 A complete accumulation cycle is: te = tF + td The average flow rate is: Mq = Gq/tn The discharge weight of each cycle is continuously accumulated, and the accumulation of time t=0--tn can be calculated weight.

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