Investigation of Surface Roughness Changes in The Machining of Carbon Steel Under Sustainable Conditions

Kuntoğlu, Mustafa; Kaya, Kübra; Binali, Rüstem

doi:10.59287/icpis.823

Cited by 2 publications

(2 citation statements)

References 14 publications

(16 reference statements)

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“…On the other hand, it is emphasized that MQL + Cryo contributes to sustainable machining for outputs such as cutting force and surface quality in drilling applications [30]. As can be understood from the research in the literature, the effects of MQL, nano-MQL, cryogenic, or hybrid applications formed by combining them on the machinability indicators vary [31]. In this context, optimizing the cutting tool and cutting conditions according to the cutting environment is very important for sustainable machining [32,33].…”

Section: Introductionmentioning

confidence: 99%

Understanding the Relationship between Surface Quality and Chip Morphology under Sustainable Cutting Environments

Günay,

Korkmaz

2024

Materials

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Although chip morphology changes according to the machining method and related cutting parameters, chip formation affects the quality of the machined surface. In this context, it is very important to understand the relationship between chip morphology and surface quality, especially in materials that are difficult to machine. In the presented study, the changes in chip morphology, surface morphology, and surface quality criteria (Ra and Rz) that occurred during the milling of precipitation-hardened steel in different cutting environments were analyzed. Milling experiments were carried out in dry, MQL (minimum quantity lubrication), nano-MQL (graphene), nano-MQL (hBN), Cryo, and Cryo-MQL environments using TiAlN-coated inserts and three different cutting speeds and feed rates. While the highest values in terms of Ra and Rz were measured in dry machining, the minimum values were obtained in a nano-MQL (hBN) cutting environment. Due to the lubrication and low friction provided by the MQL cutting environment, chips were formed in thinner segmented forms. This formation reduced the chip curve radius and thus provided a more stable surface morphology. On the other hand, Cryo-ambient gas could not effectively leak into the cutting zone due to the intermittent cutting process, but it increased the brittleness of the chips with the cooling effect and provided a similar surface morphology. The values of minimum Ra and Rz were obtained as 0.304 mm and 1.825 mm, respectively, at a 60 m/min cutting speed and 0.04 mm/rev feed. Consequently, the use of nano-MQL cutting medium is seriously recommended in terms of surface quality in milling operations of difficult-to-machine materials.

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Section: Introductionmentioning

confidence: 99%

Understanding the Relationship between Surface Quality and Chip Morphology under Sustainable Cutting Environments

Günay,

Korkmaz

2024

Materials

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“…The use of abundant coolants and lubricants stands out when the studies on the machining of engineering materials are examined (Demirpolat et al, 2023;Gupta et al, 2023b;Srinivas et al, 2023). In particular, the dangers of chemical and petroleum-based lubricants and coolants used in traditional cooling for the environment and human health have become more evident (Kuntoğlu et al, 2023;, and new lubrication and cooling conditions have begun to be developed to reduce these effects (Binali et al, 2023b;Etri et al, 2023). Minimum Quantity Lubrication (MQL) is among the best alternatives (Binali et al, 2023a;Gupta et al, 2023a).…”

Section: Introductionmentioning

confidence: 99%

A Short Review on Minimum Quantity Lubrication Method in Machining Applications

Özdemir,

Korkmaz

2024

Prabha Materials Science Letters

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To maximize production while reducing environmental effect, the machining industry is always looking for new, sustainable, and cost feasible ways. One approach that shows promise in this area is Minimum Quantity Lubrication (MQL). The MQL approach is briefly reviewed in this work with an emphasis on its use in machining. At the beginning of the study, a basic introduction of the MQL method is given, and then its effect on tool wear, surface roughness, cutting temperature and the energy consumption is reviewed. In brief, this paper discusses MQL's lubrication methods, benefits, drawbacks, and applications in different machining operations. The outcomes demonstrated that the MQL efficacy is also affected by tool material, workpiece material, cutting conditions, and lubricant type. Therefore, it is worth to mention that this review emphasizes MQL's sustainability in machining lubrication. By balancing its pros and cons, this study hopes to help readers understand MQL and its potential to optimize machining operations in many industries.

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Investigation of Surface Roughness Changes in The Machining of Carbon Steel Under Sustainable Conditions

Cited by 2 publications

References 14 publications

Understanding the Relationship between Surface Quality and Chip Morphology under Sustainable Cutting Environments

Understanding the Relationship between Surface Quality and Chip Morphology under Sustainable Cutting Environments

A Short Review on Minimum Quantity Lubrication Method in Machining Applications

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