硬质合金无损检测装置的研制与试验

I. Tsybriy, O. Kozelkov, N. Koval
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引用次数: 0

摘要

工作的相关性在于需要控制金属加工工具的切削齿,金属加工工具在今天的生产中广泛使用,并用于机械工程中各种用途的产品加工。碳化物板的生产涉及许多操作:获得细粉末,按一定比例混合,成型,然后是压制和烧结。违反其中至少一项考虑的操作技术,导致生产出质量不符合要求的次品板材。在生产中使用这种板会导致生产出有缺陷的产品或增加其制造的复杂性,这与需要频繁更换有关。传统的控制方法有一个明显的缺点——产品的破坏或损坏。它们可以使用无损检测方法来避免,其中包括矫顽力法。作者提出了一种原创设计的装置,它可以实现对各种等级的硬质合金制成的考虑产品的无损检测。为了测试其性能,开发了一个原型并进行了测试。的目的。一种硬质合金制品无损检测装置的研制及其相对误差测定方法。这项任务是相关的,因为企业需要控制金属加工工具的可更换硬质合金刀片的质量。方法。在设备的测试过程中,采用了普遍接受的实证研究方法,根据Koerzimat 1.097 HcJ矫顽器开发的方法以及普遍接受的数理统计方法进行了相对误差的确定。结果。绘制了该装置的电气结构图和原理图,确定了其设计参数。对该装置进行了测试,在此期间,对由不同等级和不同形状和尺寸的硬质合金制成的样品进行了矫顽力测量。结论。该装置设计简单,成本低;同时,它以现代元素为基础。试验结果表明,该装置的相对测量误差在可接受范围内,可用于生产条件下对硬质合金制品的控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development and testing of a device for non-destructive testing of hard alloys
THE RELEVANCE of the work lies in the need to control the cutting inserts of metalworking tools, which are widely used today in production and used in the machining of products for various purposes in mechanical engineering. The production of carbide plates involves a number of operations: obtaining fine powders, mixing them in certain proportions, shaping, followed by pressing and sintering. Violation of the technology of at least one of the considered operations leads to the production of defective plates, the quality of which does not meet the requirements. The use of such plates in production leads to the production of defective products or an increase in the complexity of their manufacture, which is associated with the need for their frequent replacement. Traditional control methods have a significant drawback - the destruction of the product or its damage. They can be avoided using non-destructive testing methods, which include the coercive force method. The authors proposed a device of an original design, which makes it possible to implement non-destructive testing of the considered products made of hard alloys of various grades. To test its performance, a prototype was developed and tested. THE PURPOSE. Development of a device for non-destructive testing of products made of hard alloys and its testing in order to determine the relative error. The task is relevant, since there is a need for enterprises to control the quality of replaceable carbide inserts of metalworking tools. METHODS. During testing of the device, generally accepted empirical research methods were used, and the determination of the relative error was carried out according to the methodology developed for the Koerzimat 1.097 HcJ coercimeter, as well as using generally accepted methods of mathematical statistics. RESULTS. The electrical structural and principal diagrams of the device have been developed, and its design parameters have been determined. Tests of the device were carried out, during which measurements of the coercive force were made for samples made of various grades of hard alloys and having different shapes and sizes. CONCLUSION. The design of the developed device is characterized by simplicity and low cost; at the same time, it is based on a modern element base. The test results of the device showed that the relative measurement error is within acceptable limits, which allows it to be used to control products made of hard alloys in production conditions.
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