西里西亚理工大学,波兰格里维兹

I. Olaru
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引用次数: 5

摘要

高效的MQL系统(最小润滑量)可确保各种运动部件的适当冷却,从而实现机床的切削过程。MQL系统的引入响应了行业中不断增长的需求,带来了一系列真正的好处。喷嘴的几何形状影响冷却剂的流动参数;这些参数也可能受到所使用的一种或多种流体的性质的影响。冷却系统的喷嘴具有收敛-发散的几何形状,流体在待处理区域中的分散性更好。工作区域的高温超过一定的临界值可能会对表面质量有害,并可能对刀具的寿命产生一些负面影响。MQL型冷却系统将不同的冷却液结合在一起,以实现对切割区域更好的冷却和润滑。根据进行的模拟,冷却剂速度取决于分析喷嘴的长度,我们可以看到,在喷嘴的初始部分,速度值较低,在喷嘴出口处增加。在离开会聚-发散喷嘴后,流体射流速度与流体射流长度成比例下降,对这些现象的模拟可以优化所选目的的几何形状。本文旨在分析冷却剂的类型及其正确选择,由于冷却液在加工区的正确分布,实现了切割过程中产生的温度控制,可以通过计算机模拟实现优化。
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Silesian University of Technology, Gliwice, Poland
An efficient MQL system (Minimal Quantity Lubrification) ensures the proper cooling of the various moving parts, resulting in the cutting process on the machine tools. The introduction of MQL systems responds to the growing demand in the industry with a whole host of real benefits. The geometry of the nozzle influences the flow parameters of the coolant; these parameters can also be influenced by the nature of the fluid or liquids used. The nozzle of the cooling system has a convergent-divergent geometry, the dispersion of the fluid in the areas to be processed being better. A high temperature in the working area above a certain critical value can be harmful to the quality of the surface and can have some negative influences on the life of the cutting tool. MQL-type cooling systems combine different cooling fluids to achieve better cooling and lubrication of the cutting area. Following the simulations performed, the coolant speeds depend on the length of the analyzed nozzle, we can see that the speed has a lower value in the initial section of the nozzle which increases at the nozzle outlet. After exiting the convergence-divergence nozzle, the fluid jet velocity decreases in proportion to the fluid jet length, the simulation of these phenomena can optimize the geometry for the chosen purpose. The present paper aims to analyze the types of coolants and their correct choice, temperature control resulting from the cutting process is achieved due to the correct distribution of cooling fluids in the processing area, optimization can be achieved through computer simulation.
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来源期刊
International Journal of Modern Manufacturing Technologies
International Journal of Modern Manufacturing Technologies Engineering-Industrial and Manufacturing Engineering
CiteScore
0.70
自引率
0.00%
发文量
15
期刊介绍: The main topics of the journal are: Micro & Nano Technologies; Rapid Prototyping Technologies; High Speed Manufacturing Processes; Ecological Technologies in Machine Manufacturing; Manufacturing and Automation; Flexible Manufacturing; New Manufacturing Processes; Design, Control and Exploitation; Assembly and Disassembly; Cold Forming Technologies; Optimization of Experimental Research and Manufacturing Processes; Maintenance, Reliability, Life Cycle Time and Cost; CAD/CAM/CAE/CAX Integrated Systems; Composite Materials Technologies; Non-conventional Technologies; Concurrent Engineering; Virtual Manufacturing; Innovation, Creativity and Industrial Development.
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