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铸铁的配料计算采用最多的是数学计算法,但数学针算法手续较繁,且只有懂得算术的技术人员和工人才能应用。如果用图表法,也困难较多,所以一般很少采用。为了解决这一问题,作者制造了一种配料计算尺,用这种算尺,只要知道使用方法,就是不懂数学的工人也能根据原材料成分作出准确的配料,对技术人员就也简化了计算手续。现将算尺的结构、原理及使用方法介绍如下。
The calculation of the ingredients used in cast iron is the most mathematical calculation method, but the mathematic stitch algorithm more complicated procedures, and only know the arithmetic technicians and workers to apply. If the chart method, but also more difficult, so generally rarely used. In order to solve this problem, the author has created a compound rule of thumb, using this rule, as long as know how to use, that is, workers who do not understand mathematics can also be based on raw material ingredients to make accurate ingredients, but also for technicians to simplify the calculation formalities. Now the ruler of the structure, principles and methods of use are described below.