A Study on Cutting Characteristics in Turning Operations of Titanium Alloy used in Automobile

You, Seung Hyeon; Lee, Jeong‐Hwan; Oh, Sung Hoon

doi:10.1007/s12541-019-00027-x

Cited by 39 publications

(21 citation statements)

References 13 publications

(11 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Although there are benefits from using coolants and lubrication during machining in terms of chip evacuation [ 39 ], reduced thermal distortion and tool wear [ 40 ], minimum quantity lubrication (MQL) and dry machining are preferred these days as they are more environmentally friendly and reduce the overall machining costs [ 41 , 42 ]. Dry machining has the benefit of decreasing power consumption because the high cutting temperature generated can help by slightly softening the target material in the pre-cut area, reducing its hardness and the required cutting force.…”

Section: Introductionmentioning

confidence: 99%

Precision Hard Turning of Ti6Al4V Using Polycrystalline Diamond Inserts: Surface Quality, Cutting Temperature and Productivity in Conventional and High-Speed Machining

et al. 2020

View full text Add to dashboard Cite

This article presents the results of an experimental investigation into the machinability of Ti6Al4V alloy during hard turning, including both conventional and high-speed machining, using polycrystalline diamond (PCD) inserts. A central composite design of experiment procedure was followed to examine the effects of variable process parameters; feed rate, cutting speed and depth of cut (each at five levels) and their interaction effects on surface roughness and cutting temperature as process responses. The results revealed that cutting temperature increased with increasing cutting speed and decreasing feed rate in both conventional and high-speed machining. It was found that high-speed machining showed an average increase in cutting temperature of 65% compared with conventional machining. Nevertheless, high-speed machining showed better performance in terms of lower surface roughness despite using higher feed rates compared to conventional machining. High-speed machining of Ti6Al4V showed an improvement in surface roughness of 11% compared with conventional machining, with a 207% increase in metal removal rate (MRR) which offered the opportunity to increase productivity. Finally, an inverse relationship was verified between generated cutting temperature and surface roughness. This was attributed mainly to the high cutting temperature generated, softening, and decreasing strength of the material in the vicinity of the cutting zone which in turn enabled smoother machining and reduced surface roughness.

show abstract

Section: Introductionmentioning

confidence: 99%

Precision Hard Turning of Ti6Al4V Using Polycrystalline Diamond Inserts: Surface Quality, Cutting Temperature and Productivity in Conventional and High-Speed Machining

et al. 2020

View full text Add to dashboard Cite

show abstract

“…DOE adalah metode sistematis untuk menentukan hubungan antar faktor mempengaruhi suatu proses dan hasilnya [2]. Biasanya, metode DOE dapat dibagi dalam desain faktorial penuh (FFD) dan desain faktorial fraksional dikenal juga sebagai desain eksperimental Taguchi (TED) [3,4]. Dalam FFD desain semua kombinasi level parameter diuji untuk menganalisis hasil.…”

Section: Pendahuluanunclassified

Evaluasi Pengujian Kekerasan Material Aisi 4140 Menggunakan Full Factorial Design Of Experiment

Weriono¹,

Rinaldi²,

Sepfitrah³

2020

j.n.a.material.manufaktur.dan.n.a

View full text Add to dashboard Cite

Experiment is looking at the influence of dimensions, heat treatment temperature and cooling media effect linearly on hardness, tensile strength steel AISI 4140 so that the level comparison of the hardness of influence on the diameter variation (input effects the response). The Full Factorial Design of Experiment Method is used to assess the results of the hardness test in accordance with the testing hypothesis. Design of Experiment (DOE) has been widely used to determine design factors that significantly influence target responses and build empirical models that represent relationships between significant factors. Reviewing the literature revealed that the majority of researchers explored various DOE. Response Tempering heat treatment with Quenching Oil media, this study used AISI 4140 material with a diameter of 29 mm, 33 mm and 35 mm. Results AISI 4140 of commercial production by partial cutting are then taken for hardness testing. The Full Factorial Design of Experiment Method is used to assess the results of the hardness test in accordance with the hypothesis according to the analysis of variance(Anova). The response of the hardness test data input in the 30 0 & 90 0 direction is not influenced by the AISI 4140 material dimensions and the direction of the test surface data retrieval.

show abstract

“…Many researchers studied the effect of machining conditions entailing direct influences such as process parameters and tool properties [6,11] and indirect conditions affected surface roughness during machining such as cutting force, generated temperature and tool wear by machining [12,13]. Nithyanandam et al [14], studied the effect of process parameters on generated surface roughness by turning tests of Ti6Al4V alloys.…”

Section: ________________________________________________mentioning

confidence: 99%

Experimental investigation of generated surface roughness in hard turning of Ti6Al4V using coated ceramic and CBN inserts

Abdelnasser

Barakat

Elsanabary

et al. 2020

Port-Said Engineering Research Journal

View full text Add to dashboard Cite

Surface finish of machined parts is a significant quality mark for a range of applications such as aerospace, automotive, power transmission and generation. Therefore, optimization of surface roughness is the key factor for reliability in machining difficult-to-cut materials such as titanium-based alloys. In this study, an investigation into hard turning of Ti6Al4V alloys with varying process parameters and cutting tool materials was carried out. This study aims to compare the generated surface roughness when turning Ti6Al4V alloys using CBN and coated ceramic inserts, independently, under the same values of feed rate, cutting speed and depth of cut. The experiments were designed using Taguchi L9 and the exponential results were examined by the analysis of variance (ANOVA). The effect of process parameters and their interactions on generated surface roughness was evaluated for the two inserts. It was found improvement of surface roughness by 34% was achieved when using coated ceramic insert compared with the results obtained using CBN insert under the same range cutting conditions. CBN insert gave a better result at smallest depth of cut (0.15 mm), low feed rate (0.1 mm/rev) and high cutting speed (100 m/min) while coated ceramic tool gave a minimum surface roughness at depth of cut (0.2 mm), feed rate (0.1 mm/rev) and high cutting speed (100 m/min).

show abstract

A Study on Cutting Characteristics in Turning Operations of Titanium Alloy used in Automobile

Cited by 39 publications

References 13 publications

Precision Hard Turning of Ti6Al4V Using Polycrystalline Diamond Inserts: Surface Quality, Cutting Temperature and Productivity in Conventional and High-Speed Machining

Precision Hard Turning of Ti6Al4V Using Polycrystalline Diamond Inserts: Surface Quality, Cutting Temperature and Productivity in Conventional and High-Speed Machining

Evaluasi Pengujian Kekerasan Material Aisi 4140 Menggunakan Full Factorial Design Of Experiment

Experimental investigation of generated surface roughness in hard turning of Ti6Al4V using coated ceramic and CBN inserts

Contact Info

Product

Resources

About