Impact of nozzle design on grinding temperature of hardened steel under MQL condition

Sharmin, Israt; Moon, Mahjabin; Talukder, Shoharab; Alam, M. Arfayet; Ahmed, Md. Foysal

doi:10.1016/j.matpr.2020.09.717

Cited by 10 publications

(2 citation statements)

References 17 publications

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“…Grinding processes as an important method were employed to eliminate deformation after heat treatment and improve the accuracy of the workpiece. However, the unexpected grinding burn easily occurs due to the aggregation of high grinding force and heat on the workpiece surface, resulting in poor surface quality and high surface residual tensile stress [5][6][7]. In this case, a new machining technology is urgently needed to reduce the grinding force and heat.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Qiang¹,

Zhao

Cao³

et al. 2022

Preprint

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Ultrasonic vibration assisted grinding (UVAG) combined with the ultrasonic vibrating method and CG process was proposed, aiming at improving the grindability of hardened steel in conventional grinding (CG) process. Comparative investigations on grinding force, temperature, and specific grinding energy for both grinding processes were studied in detail. In addition, the morphologies of wheel wear surface and ground surface were also conducted. Findings show that in comparison of CG processes, the grinding forces in UVAG are reduced greatly by 16.44% and 17.44%, for normal and tangential forces, respectively. The UVAG process attributes to a lower specific grinding energy by 8.30% owing to the increase of maximum undeformed chip thickness, and a smaller grinding temperature by 19.01% due to the improvement of coolant heat transfer capacity in the grinding arc zone. Meanwhile, the promising grain sharpness of wheels can be guaranteed, resulting from the enhanced cooling function on grinding arc zone and grains micro-fracture caused by ultrasonic impacting actions.

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Section: Introductionmentioning

confidence: 99%

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Qiang¹,

Zhao

Cao³

et al. 2022

Preprint

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show abstract

“…According to the phyllodes theory, the landform of abrasive grains grouped in clusters of parabolic phyllodes may equally distribute the abrasive grains and provide the highest heat dissipation effect. 9 By extending the traditional machine tool settings modification just considering geometric correctness to the case of collaborative optimization, an adaptive collaborative control model is constructed 10 Sharmin et al 11 developed a response surface methodology (RSM) model to optimize the machining input parameters to minimize the temperature formed during the grinding process. Li et al 12 have performed a comparison of various existing grinding processes and presented that multi-step high-speed grinding technology was preferred over the other techniques by confirming the system's distinctive advantages and application prospects.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the performance characteristics of grinding wheel using low melting vitrified bonds

Nagaprasad¹,

Jule

Shanmugakani

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part E:

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The performance of a grinding wheel is greatly determined by its structure which in turn is influenced by the characteristics of the bonding material. Vitrified bonds were used in 50% of the wheels, which are mixtures of clay, feldspar and fusible materials. Vitrified wheels were fired at temperatures >1270°C. The main aim of this work is to focus on the feasibility of a low melting bonding material that would render the wheels a better or comparatively closer performance level than that of the conventional wheels, thereby attempting to reduce fuel and time consumption. Suitable low melting bonds were chosen based on the results of fusibility tests and chemical analysis, and their properties such as density, sound index (SI) and Young's modulus (YM) were evaluated. Performance characteristics were investigated through a cylindrical grinding test and compared along with the standard wheel. Attempts have been made to reduce the size of bonds to improve their properties, and the results obtained were promising.

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Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Huang

Zhao

Cao

et al. 2022

Int J Adv Manuf Technol

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Impact of nozzle design on grinding temperature of hardened steel under MQL condition

Cited by 10 publications

References 17 publications

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Investigation of the performance characteristics of grinding wheel using low melting vitrified bonds

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

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