Paese Evandro, Geier Martin, Rodrigues Fabiano R, Mikolajczyk Tadeusz, Mia Mozammel
Departamento de Engenharia Mecânica, Universidade de Caxias Sul, Campus Universitário da Região dos Vinhedos, Bento Gonçalves, Rio Grande do Sul 95705-266, Brazil.
Departamento de Engenharia Mecânica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul 90050-170, Brazil.
Materials (Basel). 2020 Nov 19;13(22):5231. doi: 10.3390/ma13225231.
In this study, an experimental and statistic investigation approach based on analysis of variance (ANOVA) and response surface methodology (RSM) techniques was performed to find the significant main effects and two-factor interaction effects and to determine how the controllable factors such as cutting speed, feed rate, depth of cut (DOC), tool nose radius, substrate and coating method of cutting tools influence surface quality in turning of AISI 1045 steel. The first optimal or near-optimal conditions for the quality of the generated surface and the second ones, including maximum material removal rate, were established using the proposed regression equations. The group mean roughness of the turned workpieces was lower from using chemical vapor deposition (CVD)-coated carbide inserts than the group means of other types of inserts; however they could not achieve the specific lowest roughness. The physical vapor deposition (PVD)-coated carbide and cermet inserts achieved the best surface quality when the specific combinations within the range interval of controllable factors were used in the experiment, showing that they may be applied to finish turning processes or even to particular high material removal rate conditions associated with the lowest roughness.
在本研究中，采用了基于方差分析（ANOVA）和响应面方法（RSM）技术的实验和统计研究方法，以找出显著的主效应和双因素交互效应，并确定切削速度、进给率、切削深度（DOC）、刀尖半径、刀具基体和涂层方法等可控因素如何影响AISI 1045钢车削加工中的表面质量。利用所提出的回归方程，确定了生成表面质量的第一组最优或接近最优条件以及第二组最优或接近最优条件，包括最大材料去除率。使用化学气相沉积（CVD）涂层硬质合金刀片加工的工件组平均粗糙度低于其他类型刀片的组平均粗糙度；然而，它们未能达到特定的最低粗糙度。当在实验中使用可控因素范围内的特定组合时，物理气相沉积（PVD）涂层硬质合金和金属陶瓷刀片获得了最佳表面质量，这表明它们可应用于精车加工过程，甚至可应用于与最低粗糙度相关的特定高材料去除率条件。
