Kesarbhai Bhikhabhai Judal

• Doctor of Philosophy
• Head of Faculty at GOVERNMENT ENGINEERING COLLEGE PALANPUR

Designing the roller and determining the required passes to manufacture the bar depend on the estimation of the pressure value during the bar rolling operation. Numerous researchers have proposed a mean unit pressure formula based on the flat rolling process formula. However, it is challenging to predict the pressure accurately using these formulas...

Designing the roller and determining the required passes to manufacture the bar depend on the estimation of the pressure value during the bar rolling operation. Numerous researchers have proposed a mean unit pressure formula based on the flat rolling process formula. However, it is challenging to predict the pressure accurately using these formulas...

Researchers have carried out the kinetics of various agro products for open sun drying, but research articles still need to address such analysis for cotton seeds. Open sun drying of cotton seeds has been experimentally investigated and presented in this paper. Shorting of cotton seeds was carried out to collect appropriate samples in current resea...

Prediction of roll separating force (RSF) is necessary to design new rolling mills, optimise the number of passes and for online control of dimensional accuracy. The intricacy of deformation and complex mixed boundary conditions of velocity and friction makes exact analytical prediction of RSF in a bar or shape rolling quite difficult. Hence, the f...

Designing new rolling mills, optimization of the number of passes and online control of dimensional accuracy are the processes in which the accurate prediction of roll separating force (RSF) for different types of material is necessary. The formula of RSF is mainly a function of flow stress of the material, strain, strain rate, mean effective press...

The present research focuses on the development of modified electrochemical magnetic abrasive finishing set up to reduce the issues like abrasive washing and electrolytic short circuit. Orientation of magnetic poles and electrode at 90° angular distances improved the finishing performance. Experiments were performed using a central composite design...

Industry demands Nano level of surface finishing and development of advanced material makes finishing difficult to attain for modern grinding industry. The Electro-Chemical Magnetic Abrasive Finishing (ECMAF) is an advanced abrasion based finishing process used to finish very hard material with superior surface finishing. In ECMAF, soft film genera...

Welding of dissimilar magnesium alloys and aluminum alloys is a critical issue because of their worldwide increasing applications. Dissimilar welding technology has touched new frontiers to take up the benefits of both metals simultaneously through their local demands. Friction Stir Welding (TWI, 1991) is rapidly blooming in the contemporary fields...

Cylindrical Electrochemical Magnetic Abrasive Machining (C-EMAM) is an advanced abrasion-based hybrid machining process that constitutes magnetic abrasive machining and electrochemical dissolution. During the C-EMAM process, a large amount of material is removed from the peaks of the surface irregularities under the simultaneous effect of electroch...

The objective of the present research is to simulate cylindrical electro-chemical magnetic abrasive machining (C-EMAM) process for magnetic stainless steel (AISI-420). C-EMAM is a new hybrid machining process used for high efficiency finishing of cylindrical jobs made of advanced engineering materials. The material is removed from the workpiece sur...

Machining by abrasion is the most labor intensive and critical machining process to provide high quality finish on the parts. Abrasive finishing operations are usually applied as the last machining operation and its importance becomes more vital when the workpiece material is difficult-to-machine. Recently the promising processes of abrasion for di...

This work presents the machining performance of cylindrical electrochemical magnetic abrasive machining (C-EMAM) for high efficiency machining of cylindrical surfaces. Experiments were carried out on self-developed C-EMAM setup to explore the performance of the process during machining of nonmagnetic stainless steel cylindrical workpiece using unbo...

This work presents the characteristics of advanced abrasion based hybrid machining process consisting of electrochemical dissolution and magnetic abrasive machining process. The cylindrical electrochemical magnetic abrasive machining (C-EMAM) setup was developed and mounted as an attachment on lathe for high efficiency machining of cylindrical jobs...

In the present study, a novel technique, namely, evolutionary non-dominated sorting genetic algorithm-II (NSGA-II) was used in conjunction with developed artificial neural network (ANN) model to select optimal process parameters for achieving the better process performance in LBC. First, ANN with backpropagation algorithm was used to model the LBC...

In modern manufacturing industries, the requirement for high-precision surface quality is increasing drastically. To achieve such kind of precision accuracy for surface finish, the magnetic abrasive finishing (MAF) process has been developed. In MAF, the workpiece is kept between two poles of magnet and the magnetic field is controlled by varying t...

This paper presents the study of hybrid machining process consisting of electrochemical dissolution and magnetic abrasive machining. Experiments were conducted on self-developed cylindrical electrochemical magnetic abrasive machining (C-EMAM) setup to explore the finishing results of the process on non-magnetic stainless steel using unbonded magnet...

Cylindrical electro-chemical magnetic abrasive machining (C-EMAM) is an advanced abrasion-based hybrid machining process used for efficient finishing of cylindrical surfaces made of difficult-to-machine electrically conducting materials. In this work, experiments were performed on self-developed C-EMAM process setup to investigate the effects of el...