Carton knowledge: carton compressive strength calculation formula
Mar 26,2024
The calculation of compressive strength of carton usually involves many factors, and there are many empirical formulas. Among them, Kericat formula is recognized as the formula with the smallest relative error of calculation results. The Kerricat formula predicts the compressive strength of a corrugated box based on the edge compression strength and circumference of the box. Its expression is as follows:
BCT = ECT × (4aXz/Z)2/3 × Z × J
Among them:
BCT stands for the compressive strength of the corrugated box (unit: lb, lb).
ECT stands for the edge compression strength of corrugated cardboard (lb/in, pounds per inch).
Z represents the circumference of the corrugated box (unit: lb).
aXz stands for corrugated constant.
J stands for carton constant.
Through this formula, we can find that the edge compression strength of corrugated cardboard, the circumference of the carton, the corrugated constant and the carton constant are directly related to the compressive strength of the carton. At the same time, the molding process and external environmental factors will also affect the compressive performance of corrugated boxes, which may lead to a decline in performance.
It should be noted that although the Kericat formula provides a more accurate method to calculate the compressive strength of the carton, in practical applications, it is also necessary to comprehensively consider and adjust according to the specific carton design, materials and use environment and other factors. In addition, different countries and regions may use different units, so it is necessary to pay attention to unit conversion when calculating.
In summary, the formula for calculating the compressive strength of the carton is a complex mathematical problem, which needs to consider a variety of factors. In order to obtain accurate calculation results, it is recommended to use professional carton design software or consult experts in related fields for calculation combined with specific carton design, materials and use environment in practical applications.
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