A sustainable alternative for cooling the machining processes using a refrigerant fluid in recirculation inside the toolholder

Vicentin, G. C.; Sanchez, Luiz Eduardo de Ângelo; Scalon, Vicente Luiz; Abreu, G. G. C.

doi:10.1007/s10098-011-0359-z

Cited by 24 publications

(10 citation statements)

References 19 publications

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“…(2) and (3), which will be estimated in this section. By solving the two equations, we will get the average cutting temperature and Journal of Manufacturing Science and Engineering outlet temperature, and their relationship can be established.…”

Section: Further Analysis On the Tooling Structure Until Nowmentioning

confidence: 99%

“…But it is costly to storage and dispose, and it also pollutes the environment and harms the operator's health, and moreover contamination-free machining is needed in some applications. To overcome the negative-side effects of using the cutting fluid, a number of cooling methods have been attempted for dry or clean machining purpose, such as minimum quantity lubrication, high pressure coolant, cryogenic cooling, compressed air cooling and heat pipe cooling, and internal cooling [1][2][3][4][5]. Among these methods, internal cooling of the cutting tool by introducing internal microstructures within the tool to remove heat generated during cutting processes is promising.…”

Section: Introductionmentioning

confidence: 99%

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An Innovative Method to Measure the Cutting Temperature in Process by Using an Internally Cooled Smart Cutting Tool

Shu

Cheng

Ding³

et al. 2013

Journal of Manufacturing Science and Engineering

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This paper presents a novel approach to measure the cutting temperature in process and control it to some extent by using an internally cooled smart cutting tool with a closed internal cooling circuitiy. Numerical modeling based on the finite element analysiscomputational fluid dynamics (CFD) method is carried out by using ANSYS and FLUENT, then the suiface temperature distribution of the tool is fitted and the equivalent heat transfer coefficient of the tool surface contacting with cooling fluid is computed. Analytical thermal model of" the tool is established based on the lumped parameter method. Theoretical analysis and numerical simulation results are in good agreement, which demonstrate that the innovative smart tooling design concept can effectively sense the cutting temperature at the cutting tool tip in process and also be used to reduce and control the critical cutting temperature in cutting zone for adaptive machining of difficult-tomachine materials, such as titanium and Inconel alloys. Experimental cutting trials are carried out to further examine and validate the method and concept of applying the smart cutting tool system.

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Section: Further Analysis On the Tooling Structure Until Nowmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An Innovative Method to Measure the Cutting Temperature in Process by Using an Internally Cooled Smart Cutting Tool

Shu

Cheng

Ding³

et al. 2013

Journal of Manufacturing Science and Engineering

View full text Add to dashboard Cite

show abstract

“…A lot of cooling methods such as heat pipe cooling (Chiou, et al, 2007), internal cooling (Mia, 2017;Vicentin, et al, 2011), or circulating internal cooling (Minton, et al, 2013;Isik, et al, 2017) and the corresponding cutting tools have been applied to metal cutting. These newly designed tools with their respective cooling methods can achieve green or near dry cutting.…”

Section: Introductionmentioning

confidence: 99%

Design of a novel turning tool cooled by combining circulating internal cooling with spray cooling for green cutting

Shu

Zhang

2021

JAMDSM

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Cooling technology is vital in manufacturing industry, which can decrease cutting temperature, assist chip removal and reduce or eliminate the generation of cutting liquid waste during metal cutting process. This paper presents a novel turning tool cooled by combining circulating internal cooling with spray cooling, which can cool the cutting tool tip from inside and outside of insert and assist blow chips away from cutting zone. Thermalfluid-solid coupling analysis using ANSYS Fluent is employed to investigate cooling performance of the composite cooling turning tool. Optimization of the internal spray cooling structure is carried out by Taguchi Method based CFD simulations and the optimal geometric parameters are picked out. The prototype of the novel turning tool is fabricated through the integration of spray cooling technology into the previously developed circulating internal cooling turning tool. The cooling effectiveness and practicality of the proposed novel turning tool system are further examined and validated by cutting trials.

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“…They also used a condenser to turn the evaporated phase of the coolant fluid into the liquid phase in order to flood the inside of the cutting tool again. For this reason, they preferred to use R-123 (hydrochlorofluorocarbon) as a coolant fluid owing to its low boiling point at 28 ⁰C [26,27]. Nevertheless, the fluid is slightly aggressive towards condition changes and leaking problems can occur in the ICCT system.…”

Section: Introductionmentioning

confidence: 99%

“…⁰C[26,27]. Nevertheless, the fluid is slightly aggressive towards condition changes and leaking problems can occur in the ICCT system.…”

mentioning

confidence: 99%

Statistics and Computational Fluid Dynamics Analyses of the Experimentally Confirmed Thermal Behavior of Self-designed Internally Cooled Smart Cutting Tool

Öztürk

Yıldızlı

2021

Preprint

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When compared with dry machining, using traditional cutting fluids has some weaknesses such as environmental pollution, high machining costs and harmful effects on human health. Internally cooled cutting tools (ICCT) have been a promising, sustainable, health-friendly and green technologies for turning applications. However, the effects of different types of internal coolant fluids on insert tip temperature (Ttip) have not been investigated for ICCTs. Within effective cooling, machining quality of metallic materials and tool life can improve. Therefore, a conjugate heat transfer (CHT) model for a self-designed internally cooled smart cutting tool (ICSCT) was set. The CHT simulation was experimentally confirmed using pure water. After that, the effects of flow velocity (Vf), inlet temperature of the coolant fluid (Tinlet) alongside different types of glycol-based heat transfer fluids (including pure water) on Ttip were statistically evaluated by the Taguchi method and analysis of the variance (ANOVA). It was found that the most effective factor was the Tinlet at a contribution ratio level of 88.32%. Additionally, Vf and the type of heat transfer fluid were found to be significant according to statistics. Hence, since no external coolant is used, the designed smart tool can be counted as being environmentally friendly and health friendly. In conclusion, the glycol-based fluids can be a better choice for internally cooled tool designs owing to their superior features, e.g., corrosion prevention, nontoxicity and stable heat transfer capability at lower temperatures compared to pure water although pure water has better thermal properties than the glycol-based fluids.

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A sustainable alternative for cooling the machining processes using a refrigerant fluid in recirculation inside the toolholder

Cited by 24 publications

References 19 publications

An Innovative Method to Measure the Cutting Temperature in Process by Using an Internally Cooled Smart Cutting Tool

An Innovative Method to Measure the Cutting Temperature in Process by Using an Internally Cooled Smart Cutting Tool

Design of a novel turning tool cooled by combining circulating internal cooling with spray cooling for green cutting

Statistics and Computational Fluid Dynamics Analyses of the Experimentally Confirmed Thermal Behavior of Self-designed Internally Cooled Smart Cutting Tool

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