Development of a virtual sensor for the comparison of heat partitions in milling under cryogenic cooling lubrication and high-pressure cutting fluid supply

Augspurger, Thorsten; Koch, Matthias; Lakner, Thomas; Bartolomeis, Andrea de; Shokrani, Alborz; Bergs, Thomas

doi:10.1016/j.cirpj.2021.05.004

Cited by 10 publications

(2 citation statements)

References 46 publications

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“…The continuous cutting time with optimal processing parameters reached approximately 50 min. Augspurger et al [261] proposed a novel methodology to decouple the mechanical effects from thermal effects in machining, which allowed for the calculation of heat flow and heat partitions in milling of 42CrMo4 and Ti-6Al-4V. This study revealed the combined influence of cooling and process parameters, tool wear, and material properties.…”

Section: Cryogenic Cooling-assisted Millingmentioning

confidence: 99%

Nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community: a comparative analysis

Zhao,

Ding

et al. 2024

Int. J. Extrem. Manuf.

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Difficult-to-cut materials such as titanium alloys, high-temperature alloys, metal/ceramic/polymer-matrix composites, hard and brittle materials, as well as geometrically complex components such as thin-walled structures, micro channels and complex surfaces, are widely used in aerospace community. Mechanical machining is the main material removal process and responsible for the vast majority of material removal for aerospace components. Nevertheless, it encounters many problems in terms of severe and rapid tool wear, low machining efficiency, and deteriorated surface integrity. Nontraditional energy-assisted mechanical machining is a hybrid process in which nontraditional energies, e.g., vibration, laser, electric, etc., are applied to improve the machinability of local material and decrease burden of mechanical machining. It provides a feasible and promising way for improving machinability and surface quality, reducing process forces, and prolonging tool life, etc. However, systematic reviews of this technology are lacking with respect to the current research status and development direction. This paper reviews recent progress in nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community. It focuses on the processing principles, material responses under nontraditional energy, resultant forces and temperatures, material removal mechanisms and applications of these processes including vibration-, laser-, electric-, magnetic-, chemical-, cryogenic cooling-, and hybrid nontraditional energies-assisted mechanical machining. Eventually, a comprehensive summary of the principles, advantages and limitations for each hybrid process is provided, and future perspectives on forward design, device development and sustainability of nontraditional energy-assisted mechanical machining processes are discussed.

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Section: Cryogenic Cooling-assisted Millingmentioning

confidence: 99%

Nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community: a comparative analysis

Zhao,

Ding

et al. 2024

Int. J. Extrem. Manuf.

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“…Generally, cutting fluids improve the machining performance, reducing the heat and friction, however, they are worrying products because they can result in serious damage to health and environment [10]. Furthermore, during the cutting, if the cooling is low efficiency, the temperature generated will be high, reducing the strength and increases the plasticity of the material, causing adhesion in the tool and machined surface [11].…”

Section: Introductionmentioning

confidence: 99%

A study on the temperature of cutting fluid in the micro-cutting of commercially pure titanium

Assis,

Lauro,

Pereira

et al. 2024

Preprint

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The sustainable machining is a delicate issue because it does not depend only on the environment aspects. A simple solution would be to remove the use of cutting fluids, however, in the machining of difficult-to-cut materials, the use of cutting fluid can be strongly recommended. In these materials, the high temperature during the cut can cause damages that compromise the component efficiency, likes cracks, microstructure, and others. In recent years, the micro-cutting has been employed to obtain more detailed components and/or great surface quality, regardless of dimensions. In this work, the orthogonal micro-cutting of commercially pure titanium was investigated, employing the dry condition and the use of cutting fluid at different temperature, room temperature and the cooled. To know the cutting fluids effects, forces, friction, specific cutting energy, chip compression, chip deformation, and shear plane angle was compared. These outcomes indicated that, under the test conditions, the use of cutting fluid, principally when cooled, had a negative effect on micro-cutting performance.

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Introduction

Ding,

Zhao,

Zhao

et al. 2024

Hybrid-Energy Cutting of Aerospace Alloys

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Development of a virtual sensor for the comparison of heat partitions in milling under cryogenic cooling lubrication and high-pressure cutting fluid supply

Cited by 10 publications

References 46 publications

Nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community: a comparative analysis

Nontraditional energy-assisted mechanical machining of difficult-to-cut materials and components in aerospace community: a comparative analysis

A study on the temperature of cutting fluid in the micro-cutting of commercially pure titanium

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