Robust Engineering of Deep Drilling Process by Surface State Optimization

Mihail, Laurentiu Aurel

doi:10.1016/j.procir.2013.06.154

Cited by 6 publications

(5 citation statements)

References 11 publications

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“…As a supplementary verification of the experimental results, the overall results are identical with the results obtained by the white light interferometry measurement of the R a roughness, developed in the research presented in the reference [5]. Because of the measurement efficiency by this method, all the 40 measurements were took in consideration.…”

Section: Applied Mechanics and Materials Vol 760supporting

confidence: 76%

“…Peck drilling method, for the best productivity Peck drilling method, for best chip evacuation Various researches were developed for studying the phenomenon in various conditions, considering various cutting parameters, various experimentation strategies and design of experiments methods. From the whole body of knowledge in this field the author sends the reader for further details to the next references: [4,5,6,7,8,9,10,11,12,13,14,15,16] that presents the previously mentioned research items.…”

Section: Peck Drilling Methods For Various Tools Types and Geometriesmentioning

confidence: 99%

“…For the two measurement methods studies, relatively differences but not significant, are registered only for the estimated values of the roughness and the S/N ratio. Relatively at the conclusions of the study presented in the reference [1], that takes in consideration the R t roughness measured by contact with the same instrument. In this research, the optimal combination is was found to be A2B2C1, therefore a relatively different one.…”

Section: Applied Mechanics and Materials Vol 760mentioning

confidence: 99%

“…-The part material machinability; -The cutting tool's geometry and the quality of the cutting edge; -The run-out of the cutting tool system; -The dynamical balance of the cutting tool system; -The cutting parameters and the cutting fluids; -The chips types and their flushing; -The static and dynamic rigidity of the technological system. The defects that results at the level the machined surface can be categorized as follows [1]:…”

Section: Introductionmentioning

confidence: 99%

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Robust Optimization of the Deep Drilling Process by Taguchi Method

Mihail

2015

AMM

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The paper presents an optimization by using the robust engineering approach, for the optimization of the deep drilling process by assessing the surface roughness by the Ra parameter. The trials were developed according with the Robust Engineering principles, by applying the Taguchi Method. The parameter for decision is the average profile height (Ra) of the roughness. Finally, there are presented solutions for the setting-up the deep drilling parameters levels in such a way to assure the best quality at the level of the generated surface. The method results to be reliable for being applied for achieving the optimal setup machining parameters used for the deep drilling process.

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Section: Applied Mechanics and Materials Vol 760supporting

confidence: 76%

Section: Peck Drilling Methods For Various Tools Types and Geometriesmentioning

confidence: 99%

Section: Applied Mechanics and Materials Vol 760mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Robust Optimization of the Deep Drilling Process by Taguchi Method

Mihail

2015

AMM

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“…In addition to special pumps with high pressures and controllable volume flows, the filtering and cooling of the deep hole drilling oil also has an influence on the efficiency of the coolant supply [21]. The supply of cooling lubricant is of particular relevance for deep hole drilling processes, in addition to the cooling of the cutting edges, since the removal of chips is critical for process reliability [22]. In addition, a jamming of the chips in the chip flutes can lead to increased torque, which on the one hand accelerates tool wear and on the other hand can cause premature tool failure [23].…”

Section: Introductionmentioning

confidence: 99%

Experimental and computational analysis of the coolant distribution considering the viscosity of the cutting fluid during machining with helical deep hole drills

2022

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An experimental analysis regarding the distribution of the cutting fluid is very difficult due to the inaccessibility of the contact zone within the bore hole. Therefore, suitable simulation models are necessary to evaluate new tool designs and optimize drilling processes. In this paper the coolant distribution during helical deep hole drilling is analyzed with high-speed microscopy. Micro particles are added to the cutting fluid circuit by a developed high-pressure mixing vessel. After the evaluation of suitable particle size, particle concentration and coolant pressure, a computational fluid dynamics (CFD) simulation is validated with the experimental results. The comparison shows a very good model quality with a marginal difference for the flow velocity of 1.57% between simulation and experiment. The simulation considers the kinematic viscosity of the fluid. The results show that the fluid velocity in the chip flutes is low compared to the fluid velocity at the exit of the coolant channels of the tool and drops even further between the guide chamfers. The flow velocity and the flow pressure directly at the cutting edge decrease to such an extent that the fluid cannot generate a sufficient cooling or lubrication. With the CFD simulation a deeper understanding of the behavior and interactions of the cutting fluid is achieved. Based on these results further research activities to improve the coolant supply can be carried out with great potential to evaluate new tool geometries and optimize the machining process.

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Surface Roughness Analysis for Peck Drilling Process on AZ31

Singh¹,

Pervaiz²

2023

Lecture Notes in Mechanical Engineering

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Robust Engineering of Deep Drilling Process by Surface State Optimization

Cited by 6 publications

References 11 publications

Robust Optimization of the Deep Drilling Process by Taguchi Method

Robust Optimization of the Deep Drilling Process by Taguchi Method

Experimental and computational analysis of the coolant distribution considering the viscosity of the cutting fluid during machining with helical deep hole drills

Surface Roughness Analysis for Peck Drilling Process on AZ31

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