在使用最小量润滑法清洁车削铬镍铁合金 686 时使用超先进刀具提高加工工艺性能

IF 1.8 4区工程技术 Q3 ENGINEERING, CHEMICAL

Lubrication Science Pub Date : 2024-09-02 DOI:10.1002/ls.1713

Ahmadreza Hosseini Tazehkandi, Mohammadreza Shabgard, Abolfazl Tutunchi

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引用次数: 0

摘要

镍基超级合金 686 具有高抗拉强度和耐高温、耐腐蚀性能，因此被广泛应用于航空航天工业、高污染和耐腐蚀设备制造以及石油化工等重要领域。因此，对这种具有独特性能的先进合金进行加工极为重要，也极具挑战性。大幅提高输入参数水平、降低加工成本、改善表面和次表面特性以及清洁生产是处理 Inconel 686 车削操作时应考虑的问题。同时应用聚晶金刚石 (PCD) 和聚晶立方氮化硼 (PCBN) 等先进刀具和优化的最小量润滑 (MQL) 方法，并评估与加工过程性能和摩擦学特性相关的各种输出参数所获得的结果，是本文针对这一问题提出的创新解决方案。本研究分析了不同速度和进给量下的多个输出参数，以评估切削刀片类型对加工性能和摩擦学特性的影响。输出参数包括刀具磨损、残余应力、切削区温度、表面光滑度、加工力和工件表面缺陷。结果表明，使用优化的 MQL 方法可以减小润滑油液滴的大小，增加冷却覆盖的表面。随着这些变化，加工过程的性能和与表面完整性相关的参数都显著提高。在与加工过程性能相关的参数中，与 PCBN 刀具相比，PCD 刀具的切削区温度降低了 23%，刀具磨损降低了 19%，加工力降低了 18%。在与表面完整性相关的参数方面，与 PCBN 刀具相比，该方法可将残余应力降低 19%，将表面粗糙度降低 9%。从生产指标的角度来看，PCD 刀具能显著提高切削速度和进给量，减少生产时间和成本。

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Improving the Performance of the Machining Process by Using Ultra‐Advanced Tools in a Clean Turning of Inconel 686 Using the Minimum Quantity Lubrication Method

The high tensile strength and high resistance of nickel‐based superalloy 686 against high temperatures and corrosion rates have made it a widely used in important applications such as the aerospace industry, high pollution‐ and corrosion‐resistance equipment manufacturing and petrochemical industry. Therefore, the machining of this advanced alloy with its unique properties is extremely important and can be challenging. Significant increase in input parameters levels, reduction of machining costs, improvement of surface and subsurface properties and clean production are among the issues that should be considered in dealing with Inconel 686 turning operations. Simultaneous application of advanced tools such as polycrystalline diamond (PCD) and polycrystalline cubic boron nitride (PCBN) and optimised minimum quantity lubrication (MQL) method and evaluating the results obtained with a wide range of output parameters related to machining process performance and tribological properties can be proposed as an innovation and a solution to this problem in this article. This study analyses several output parameters with different speeds and feeds to evaluate the effect of cutting insert type on machining process performance and tribological properties. The output parameters include tool wear, residual stress, cutting zone temperature, surface smoothness, machining forces and workpiece surface defects. The results indicated that using the optimised MQL method reduces the size of lubricant droplets and increases the surface covered by cooling. With these changes, the performance of the machining process and the parameters related to the surface integrity increase significantly. Among the parameters associated with the performance of the machining process, the PCD tool reduces the cutting zone temperature by 23%, the tool wear by 19% and the machining forces by 18% compared to the PCBN tool. In the parameters related to surface integrity, this method reduces the residual stress by 19% and the surface roughness by 9% compared to the PCBN tool. From the production index perspective, the PCD tool can significantly increase the cutting speed and feed rate, reducing production time and costs.

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来源期刊

Lubrication Science ENGINEERING, CHEMICAL-ENGINEERING, MECHANICAL

CiteScore

3.60

自引率

10.50%

发文量

审稿时长

6.8 months

期刊介绍： Lubrication Science is devoted to high-quality research which notably advances fundamental and applied aspects of the science and technology related to lubrication. It publishes research articles, short communications and reviews which demonstrate novelty and cutting edge science in the field, aiming to become a key specialised venue for communicating advances in lubrication research and development. Lubrication is a diverse discipline ranging from lubrication concepts in industrial and automotive engineering, solid-state and gas lubrication, micro & nanolubrication phenomena, to lubrication in biological systems. To investigate these areas the scope of the journal encourages fundamental and application-based studies on: Synthesis, chemistry and the broader development of high-performing and environmentally adapted lubricants and additives. State of the art analytical tools and characterisation of lubricants, lubricated surfaces and interfaces. Solid lubricants, self-lubricating coatings and composites, lubricating nanoparticles. Gas lubrication. Extreme-conditions lubrication. Green-lubrication technology and lubricants. Tribochemistry and tribocorrosion of environment- and lubricant-interface interactions. Modelling of lubrication mechanisms and interface phenomena on different scales: from atomic and molecular to mezzo and structural. Modelling hydrodynamic and thin film lubrication. All lubrication related aspects of nanotribology. Surface-lubricant interface interactions and phenomena: wetting, adhesion and adsorption. Bio-lubrication, bio-lubricants and lubricated biological systems. Other novel and cutting-edge aspects of lubrication in all lubrication regimes.