Zagórski Ireneusz, Zgórniak Piotr, Habrat Witold, Machado José, Legutko Stanisław
Department of Production Engineering, Mechanical Engineering Faculty, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland.
Institute of Machine Tools and Production Engineering, Faculty of Mechanical Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Łódź, Poland.
Materials (Basel). 2024 Apr 27;17(9):2063. doi: 10.3390/ma17092063.
This paper presents the methodology of measuring chip temperature in the cutting zone in the rough milling of magnesium alloys. Infrared measurements are taken to determine the effect of variable cutting speed, feed per tooth, and depth of cut on the maximum temperature of chips. Thermal images of chip temperature for a generated collective frame and corresponding histograms are presented. Chip temperatures are presented in numerical terms as median and average values; maximum and minimum values; range; and standard deviation. Box plots are also shown for selected machining conditions. The problems arising during signal recording with a mean emissivity coefficient ε = 0.13, a value which is dedicated during machining magnesium alloys, are discussed in detail. Chip temperatures obtained in the tests do not exceed approx. 420 °C. Therefore, the dry rough milling process carried out with carbide tools with different blade geometries can be considered safe for a wide range of machining parameters. The proposed methodology of chip temperature measurement and result processing is a new and effective approach to safety assessment in the dry milling of magnesium alloys.
本文介绍了在镁合金粗铣削加工中测量切削区切屑温度的方法。通过红外测量来确定切削速度、每齿进给量和切削深度的变化对切屑最高温度的影响。给出了生成的总体框架下切屑温度的热图像及相应直方图。切屑温度以数值形式呈现为中位数和平均值、最大值和最小值、范围以及标准差。还展示了选定加工条件下的箱线图。详细讨论了在平均发射率系数ε = 0.13（该值是在镁合金加工过程中确定的）进行信号记录时出现的问题。试验中获得的切屑温度不超过约420°C。因此，使用具有不同刀片几何形状的硬质合金刀具进行的干式粗铣削加工过程，对于广泛的加工参数而言可被视为安全的。所提出的切屑温度测量和结果处理方法是镁合金干式铣削加工安全评估的一种新的有效方法。
