研究了DMD法铣削EuTroLoy 16604材料时,切削力与加工表面粗糙度随齿进给量的关系

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING Obrabotka Metallov-Metal Working and Material Science Pub Date : 2022-12-15 DOI:10.17212/1994-6309-2022-24.4-6-17
A. Dyuryagin, D. Ardashev
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引用次数: 0

摘要

介绍。目前,机械制造工业的很大一部分是由一次性产品或小批量生产的产品组成的。在这方面,正在积极应用获得这种产品的创新方法,以减少冲裁过程中特殊的、昂贵的工具的成本。这些技术包括直接金属沉积(DMD)方法,其本质是从气体-粉末流中沉积金属颗粒。这种方法有很多优点,但主要缺点之一是生长后的产品表面粗糙,不符合成品零件图的精度要求。因此,这些零件需要通过切削进一步加工。然而,由于材料的新颖性,没有加工的状态参数。在这方面,工作的目的是建立用dmd方法成形的EuTroLoy 16604材料在端铣削过程中,切削力与被加工表面粗糙度与每齿进给量之间的函数关系。本文对端铣削过程中不同齿进给量对切削力和加工表面粗糙度的影响进行了实验研究。研究方法是对采用dmd法获得的EuTroLoy 16604材料进行铣削实验,测量加工过程的输出参数(切削力和加工表面粗糙度)。结果和讨论。切削力和加工表面粗糙度的测量值允许建立铣削过程输出参数与每齿进给的函数和图形依赖关系。研究发现,使用较小间隙角的刀具,切削力较低,表面微粗糙度高度较低。因此,开发的切削力和加工表面粗糙度与每齿进给量的函数关系可以预测切削过程的输出参数,并通过切削提高加工操作的效率。对相对可加工性的研究及其定量价值的评价是今后工作的一个有希望的方向。
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A study of the relationship between cutting force and machined surface roughness with the feed per tooth when milling EuTroLoy 16604 material produced by the DMD method
Introduction. Currently, a substantial proportion of the machine-building industry is made up of one-off products or products manufactured in small batches. In this regard, innovative approaches to obtaining such products are being actively applied in order to reduce the cost of special, expensive tooling of the blanking process. Such technologies include the Direct Metal Deposition (DMD) method, the essence of which is the deposition of metal particles from a gas-powder stream. This method has a lot of advantages, but one of the main drawbacks is that the products after growing have a rough surface and do not meet the accuracy requirements of the finished part drawing. Consequently, the parts require further machining by cutting. However, due to the novelty of the materials, there are no regime parameters for machining. In this regard, the aim of the work is to establish the functional relationship between the cutting force and roughness of the machined surface with the feed per tooth during end milling of EuTroLoy 16604 material formed by DMD-method. In this paper an experimental study of cutting force and roughness of machined surface with varying the tooth feed during end milling is carried out. The research method is an experiment on milling of EuTroLoy 16604 material obtained by DMD-method with measuring the output parameters of the process (cutting force and roughness of the machined surface). Results and discussion. The measured values of cutting force and roughness of the machined surface allowed establishing functional and graphical dependences of the output parameters of the milling process on the feed per tooth. It is found that using a cutter with a smaller clearance angle results in lower cutting forces and the surface has a lower height of microroughness. Thus, the developed functional relationships of cutting force and roughness of the machined surface with the feed per tooth allow predicting the output parameters of the cutting process and increasing the efficiency of machining operations by cutting. A promising direction for further work is seen in the study of relative machinability and evaluation of its quantitative value.
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来源期刊
Obrabotka Metallov-Metal Working and Material Science
Obrabotka Metallov-Metal Working and Material Science METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
1.10
自引率
50.00%
发文量
26
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