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The effect of vibration and cutting zone temperature on surface roughness and tool wear in eco-friendly MQL turning of AISI D2
Journal of Materials Research and Technology ( IF 6.2 ) Pub Date : 2020-01-16 , DOI: 10.1016/j.jmrt.2020.01.010
Onur Özbek , Hamit Saruhan

Today, developments in technology have gained momentum more than ever, and the need for efficiency in production as well as in the ecological domain has increased significantly. Studies examining dry machining and coolant removal have been superseded by those presenting new cooling and lubrication techniques. The effects on surface roughness directly related to final product quality are being investigated in terms of tool life and employee health. This has resulted in more frequent use of the eco-friendly minimum quantity lubrication (MQL) technique, which has now become a major competitor to dry and coolant machining. In this study, AISI D2 cold work tool steel, a material widely used in the mold industry, was used as the workpiece. Tests were carried out under dry and MQL conditions and the temperature, cutting tool vibration amplitude, tool wear, surface roughness and tool life were evaluated. The experiments were carried out using two different cutting tool coating types (CVD-chemical vapor deposition and PVD-physical vapor deposition) and three different cutting speeds (60, 90 and 120 m/min) at a constant cutting depth (1 mm) and feed rate (0.09 mm/rev). Results revealed that tool wear, cutting temperature and cutting tool vibration amplitude were lower by 23, 25, and 45%, respectively, compared to dry cutting. Because of these improvements, the surface roughness of the workpiece was improved by 89% and tool life was increased by up to 267%.



中文翻译:

AISI D2的环保MQL车削中,振动和切削区温度对表面粗糙度和刀具磨损的影响

今天,技术的发展比以往任何时候都蓬勃发展,对生产以及生态领域效率的需求也大大增加。提出新的冷却和润滑技术的研究已取代了研究干式加工和去除冷却剂的研究。与工具寿命和员工健康有关的表面粗糙度对直接影响最终产品质量的影响正在研究中。这导致更加频繁地使用环保的最小量润滑(MQL)技术,该技术现已成为干式和冷却剂加工的主要竞争对手。在这项研究中,将AISI D2冷作工具钢(一种在模具行业中广泛使用的材料)用作工件。测试是在干燥和MQL条件下进行的,温度,切削刀具的振动幅度,评估了工具磨损,表面粗糙度和工具寿命。实验使用两种不同的切削工具涂层类型(CVD化学气相沉积和PVD物理气相沉积)以及三种不同的切削速度(60、90和120 m / min)以恒定的切削深度(1 mm)和进给速度(0.09毫米/转)。结果表明,与干切削相比,刀具磨损,切削温度和切削刀具振动幅度分别降低了23%,25%和45%。由于这些改进,工件的表面粗糙度提高了89%,刀具寿命提高了高达267%。在恒定的切削深度(1 mm)和进给速度(0.09 mm / rev)下以90和120 m / min的速度)。结果表明,与干切削相比,刀具磨损,切削温度和切削刀具振动幅度分别降低了23%,25%和45%。由于这些改进,工件的表面粗糙度提高了89%,刀具寿命提高了高达267%。在恒定的切削深度(1 mm)和进给速度(0.09 mm / rev)下以90和120 m / min的速度)。结果显示,与干切削相比,刀具磨损,切削温度和切削刀具振动幅度分别降低了23%,25%和45%。由于这些改进,工件的表面粗糙度提高了89%,刀具寿命提高了高达267%。

更新日期:2020-01-16
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