Online monitoring of surface roughness and grinding wheel wear when grinding Ti-6Al-4V titanium alloy using ANFIS-GPR hybrid algorithm and Taguchi analysis

2019 ◽  
Vol 55 ◽  
pp. 275-292 ◽  
Author(s):  
DuyTrinh Nguyen ◽  
Shaohui Yin ◽  
Qingchun Tang ◽  
Phung Xuan Son ◽  
Le Anh Duc
Keyword(s):  
Surface Roughness ◽  
Titanium Alloy ◽  
Hybrid Algorithm ◽  
Online Monitoring ◽  
Grinding Wheel ◽  
Wheel Wear ◽  
Taguchi Analysis ◽  
Grinding Wheel Wear

Experimental Studies on Grinding of Titanium Alloy with SG Wheels

2007 ◽  
Vol 329 ◽  
pp. 75-80 ◽  
Author(s):  
H.X. Zhang ◽  
Wu Yi Chen ◽  
Z.T. Chen
Keyword(s):  
Titanium Alloy ◽  
Experimental Studies ◽  
Dimensional Accuracy ◽  
Grinding Force ◽  
Grinding Wheel ◽  
Grinding Process ◽  
Wheel Wear ◽  
Grinding Wheel Wear ◽  
Conventional Grinding ◽  
Abrasive Tools

The grinding process has been investigated in the machining of titanium alloy with conventional grinding wheel and SG grinding wheel respectively. The machinability discussed here includes grinding force, surface roughness, dimensional accuracy, grinding ratio, grinding-wheel wear and grinding-wheel life. The SG grinding wheel is found to possess particularly good grinding properties and is more suitable for grinding titanium alloy when compared with conventional abrasive tools.

scholarly journals Wheel Wear Related Instability in Grinding of Quartz Glass

2021 ◽  
Author(s):  
Yonghao Wang ◽  
Ping Zhou ◽  
Yuhang Pan ◽  
Ying Yan ◽  
Dongming Guo
Keyword(s):  
Surface Roughness ◽  
Surface Quality ◽  
Chip Thickness ◽  
Ground Surface ◽  
Grinding Force ◽  
Grinding Wheel ◽  
Wheel Wear ◽  
Undeformed Chip Thickness ◽  
Grinding Wheel Wear ◽  
Ground Surface Roughness

Abstract Grinding is a popular method for producing high-quality parts made of hard and brittle materials. A lot of researchers have focused on the impact of grinding parameters on surface quality. However, only a few studies discussed the surface quality instability caused by the grinding wheel wear during a long grinding process. In this paper, through wheel state monitoring and surface quality testing of ground samples, it is found that the relationship between ground surface roughness and theoretical undeformed chip thickness is significantly affected by the grinding wheel wear state, rather than maintain steady as described in most available models. By introducing the normal grinding force, a linearly relationship was found among normal grinding force, undeformed chip thickness and ground surface roughness. Besides, sensitivity analysis was conducted to guide the parameter adjustment to maintain the stability of ground surface roughness and grinding state. The mechanism of the effect of wheel wear on normal grinding force was also studied in detail. This study will help to further understand the mechanism of the influence of wheel wear on the grinding stability.

Effect of the Type of Grinding Wheel on the Surface Characteristics of a Titanium Alloy with Internal Coolant Supply

2019 ◽  
Vol 825 ◽  
pp. 92-98
Author(s):  
Nakatsuka Nagatoshi ◽  
Sumito Toyokawa ◽  
Atsushi Kusakabe ◽  
Shinya Nakatsukasa ◽  
Hiroyuki Sasahara
Keyword(s):  
Residual Stress ◽  
Surface Roughness ◽  
Silicon Carbide ◽  
Titanium Alloy ◽  
Aluminum Oxide ◽  
Compressive Residual Stress ◽  
Surface Characteristics ◽  
Grinding Wheel

The objective of this paper is to clarify the effect of grinding surface characteristics in the grinding of a titanium alloy with a coolant supply from the inner side of the grinding wheel. In this paper, we selected a white aluminum oxide (WA) vitrified bonded grinding wheel and a green silicon carbide (GC) vitrified bonded grinding wheel, and compared their grinding characteristics. As a result, in the case of the GC vitrified bonded grinding wheel, the surface roughness decreased by about 54% and the compressive residual stress increased by about 128%.

Factors Influencing the Performance of Grinding Wheels

1959 ◽  
Vol 81 (3) ◽  
pp. 187-199 ◽  
Author(s):  
E. J. Krabacher
Keyword(s):  
Metal Removal ◽  
Removal Rate ◽  
Grinding Wheel ◽  
Metal Removal Rate ◽  
Grinding Wheels ◽  
Wheel Wear ◽  
Grinding Wheel Wear ◽  
Grinding Ratio ◽  
Material Hardness ◽  
Chip Load

Optimum utilization of grinding wheels can best be achieved if the nature of their performance and wear characteristics, and the factors that affect these characteristics, are understood and applied. As reported in this paper, a comprehensive, continuing, grinding-research program has contributed to such an understanding. A study of the nature of grinding-wheel wear indicates that the grinding-wheel wear curve is similar to those of other cutting tools. It demonstrates further that the type of grinding operation significantly affects the nature of wheel wear. A unique technique has been developed for very accurately measuring grinding-wheel wear. This measured wear may be translated into terms of “grinding ratio,” which is the generally accepted parameter for measuring wheel wear. It is the ratio of the volume of metal removed per unit volume of wheel worn away. Extensive studies have been carried out to determine the effect of mechanical variables on grinding ratio, power required in metal removal, and on surface finish. Experimental findings indicate that grinding ratio decreases with increased metal-removal rate and increases with workpiece diameter, decreased chip load, and increased concentration of grinding fluid. Power is found to increase with both the metal-removal rate and the amount of metal removed. It increases slightly with workpiece diameter and is affected little by work-material hardness. Surface finish is found to improve with decreased metal-removal rate and decreased chip load. It also is affected little by work diameter or work-material hardness. Fundamental research in the mechanics of wheel wear is supplying much additional information in the study of grinding-wheel wear. The measurement of grinding forces employing a cylindrical grinding dynamometer provides the opportunity for relating the wear of grinding wheels to the basic mechanics of the process through such fundamental quantities as grinding forces, specific energy, and grinding friction. Two additional experimental techniques for the study of chip formation in grinding have also proved to be most useful research tools. A “quick-stop” apparatus is used to freeze the grinding action by accelerating a tiny workpiece almost instantaneously to grinding-wheel speed. Another technique permits the comparison of the shape of the grinding grit and that of the contour of its path through the workpiece by a unique replicating method.

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