scholarly journals Performance of PVD-Coated Carbide Tools When Turning Inconel 718 in Dry Machining

2011 ◽  
Vol 3 ◽  
pp. 790975 ◽  
Author(s):  
Gusri Akhyar Ibrahim ◽  
Che Hassan Che Haron ◽  
Jaharah Abdul Ghani ◽  
Ahmad Yasir Moh. Said ◽  
Moh. Zaid Abu Yazid
Keyword(s):  
Inconel 718 ◽  
Dry Machining ◽  
Coated Carbide ◽  
Coated Carbide Tools

Cutting forces and wear in dry machining of Inconel 718 with coated carbide tools

Wear ◽  
2007 ◽  
Vol 262 (7-8) ◽  
pp. 931-942 ◽  
Author(s):  
A. Devillez ◽  
F. Schneider ◽  
S. Dominiak ◽  
D. Dudzinski ◽  
D. Larrouquere
Keyword(s):  
Cutting Forces ◽  
Inconel 718 ◽  
Dry Machining ◽  
Coated Carbide ◽  
Coated Carbide Tools

EFFECT OF CUTTING PARAMETERS ON CUTTING ZONE IN CRYOGENIC HIGH SPEED MILLING OF INCONEL 718 ALLOY

2015 ◽  
Vol 77 (27) ◽  
Author(s):  
A. H. Musfirah ◽  
J. A. Ghani ◽  
C. H. Che Haron ◽  
M. S. Kasim
Keyword(s):  
Surface Roughness ◽  
Inconel 718 ◽  
End Milling ◽  
Cutting Temperature ◽  
Cryogenic Cooling ◽  
Cutting Condition ◽  
Dry Machining ◽  
Part Quality ◽  
Cutting Zone ◽  
Coated Carbide

In tribology phenomenon, surface roughness has become one of the most important factors that contributed to the evaluation of part quality during machining operation. In order to understand the behavior of cryogenic cooling assistance in machining Inconel 718, this paper aims to provide better understanding of tribological characterization of liquid nitrogen near the cutting zone of this material in ball end milling process. Experiments were performed using a multi-layer TiAlN/AlCrN-coated carbide inserts under cryogenic and dry cutting condition. A transient milling simulation model using Third Wave Advantedge has been done in order to gain in-depth understanding of the thermomechanical aspects of machining and their influence on resulted part quality. The cryogenic results of the cutting temperature, cutting forces and surface roughness of the ball nose cutting tool have been compared with those of dry machining. Finally, experimental results proved that cryogenic implementation can  decrease the amount of heat transferred to the tool up to almost 70% and improve the surface roughness to a maximum of 31% when compared with dry machining. Furthermore, the microstructure of machined workpiece revealed that cryogenic cooling also can reduce a plastic deformation at the cutting surface as compared with the dry machining. 

Wear of CrC-coated carbide tools in dry machining

2006 ◽  
Vol 171 (1) ◽  
pp. 108-117 ◽  
Author(s):  
Y.L. Su ◽  
T.H. Liu ◽  
C.T. Su ◽  
S.H. Yao ◽  
W.H. Kao ◽  
...  
Keyword(s):  
Dry Machining ◽  
Coated Carbide ◽  
Coated Carbide Tools

scholarly journals IMPROVEMENT IN MACHINING PERFORMANCE OF INCONEL 718 WITH SOLID LUBRICANTS

2018 ◽  
Vol 80 (6) ◽  
Author(s):  
Sunil Kumar ◽  
Dilbag Singh ◽  
Nirmal Singh Kalsi
Keyword(s):  
Inconel 718 ◽  
Hexagonal Boron Nitride ◽  
High Strength ◽  
Solid Lubricants ◽  
Cutting Fluid ◽  
Tool Geometry ◽  
Dry Machining ◽  
Machining Performance ◽  
Coated Carbide

From the last decade, the use of high corrosion resistance, high strength superalloys (mostly Ni- or Ti-based) at elevated temperature have significantly increased in aerospace or transport industry. Such materials are tremendously difficult to cut, develop a high temperature and deteriorate the quality of the components leading to tool wear. In place of using the cutting fluid, strict environmental limit develops new cutting methods or techniques for enhancing the tool life. This study demonstrates the performance of solid lubricants (hexagonal boron nitride and graphite) on surface quality. Tool geometry and cutting variables were selected for machining Inconel 718 with TiAlN-coated carbide inserts. The comparison has been conducted between solid lubricant assistant machining and dry machining. The studies demonstrate that the performance of solid lubricants is better than dry machining. There is 10% to 18% reduction in surface roughness with solid lubricants as compared to dry machining.

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