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检查金属的硬度是咱們經常碰到的工作。条件好的工厂,可以用各式各样的硬度計来检驗,当然很便当。条件差的工厂,沒有或很少有这些硬度計,碰到这項工作时可以使用銼刀。用銼刀检驗金属的硬度过去現厂里是比较常用的,現在还有很多工厂(特别是中小型工厂)采用着这种方法。在检驗的精确程度上說,它虽然不如硬度計,但只要掌握住要領,检驗的誤差也不会超过2个R_0单位。这完全能够滿足生产上的要求。况且,这种方法运用起来还有一
Check the hardness of metal is the work we often encounter. Good factory conditions, you can use a wide range of hardness to test, of course, very convenient. Factories with poor conditions, with little or no these durometers, can use the file when it comes to this job. With the file hardness inspection of the metal in the factory is more commonly used in the past, and now there are many factories (especially small and medium-sized factories) using this method. The accuracy of the test, although it is not as good as the durometer, but as long as the essentials, the test error will not exceed 2 R_0 units. This is fully able to meet the production requirements. Moreover, there is another way to use this method