EFFECT OF THE MQL TECHNIQUE ON CUTTING FORCE AND SURFACE QUALITY DURING THE SLOT MILLING OF TITANIUM ALLOY

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Osman K. A., YILMAZ V., ÜNVER H. Ö., ŞEKER U., KILIÇ S. E.

MATERIALI IN TEHNOLOGIJE, cilt.56, sa.1, ss.3-10, 2022 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 56 Sayı: 1
  • Basım Tarihi: 2022
  • Doi Numarası: 10.17222/mit.2021.236
  • Dergi Adı: MATERIALI IN TEHNOLOGIJE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Directory of Open Access Journals
  • Sayfa Sayıları: ss.3-10
  • Anahtar Kelimeler: sustainable manufacturing, titanium, milling, minimum quantity lubrication, TOOL WEAR, FLUID CONDITIONS, INCONEL 718, OPTIMIZATION, ROUGHNESS, PARAMETERS, TI-6AL-4V, PERFORMANCE, RSM, REDUCTION
  • Gazi Üniversitesi Adresli: Evet

Özet

In this study, the effects of four control parameters, i.e., the cutting speed (v(c)), feed per tooth (f), depth of cut (a(p)), and flow rate of the cutting fluid (Q), on the surface roughness (R-a) and cutting force (F-c) were investigated in the slot milling of titanium alloys (Ti-6A1-4V). The effects of the control parameters were determined by a statistical analysis. In addition, RSM models for R-a and F-c during machining under three cooling/lubrication conditions, i.e., dry, flood, and minimum quantity lubrication (MQL), were obtained. The results revealed that both R-a and F-c are sensitive to changes in f, a(p) and Q. It was found that the MQL condition generates lower values of R-a where the surface roughness value is 0.227 mu m. By contrast. F-c values under the MQL condition were close to those of the flood condition and at times even better. The machining performance at a cutting-fluid flow rate of 36 mL/h under the MQL condition was found to be the best under certain machining conditions. MQL was found to be an effective alternative technique for conventional conditions when machining Ti-6Al-4V.