Trends in Mechanical Engineering & Technology
Trends in Mechanical Engineering & Technology (TMET) is an international e Journal focused towards the rapid publication of fundamental research papers on all areas of Mechanical Engineering and Technology. Focus and Scope Covers Modern Tools and Mechanics Mechatronics and Robotics Structural Analysis, Thermodynamics and Thermo - Science Design and Drafting Micro Electro - Mechanical Systems (MEMS) Finite element analysis Machine Design
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Ultrasonic Pulse Echo Inspection in Resistance Spot Welding for Stainless Steel SS304
Resistance spot welding is a popular metal joining process which is widely used in automobile industry, household and domestic appliances manufacturing industry, and fabrication industry like air craft manufacturing industries [10]. Experimental investigation carried is out on inner and outer sleeve which is used in stove manufacturing industry. Material taken is stainless steel SS304 for experiment having thickness 0.5 mm. Experimental investigation is based on two defects which are interfacial separation and improper nugget diameter in spot welding. For this investigation, welding current and welding cycle time are taken as main parameters affecting the defect. Ultrasonic pulse echo inspection is a non-destructive testing which is used for checking whether the internal flow or defect is taking place during spot welding or not. For ultrasonic testing, Einstein-II TFT ultrasonic flaw detector machine is used. It records various echoes during testing and is used for various analyses purposes. Cite this Article Hindocha Hardik P. Ultrasonic Pulse Echo Inspection in Resistance Spot Welding for Stainless Steel SS304. Trends in Mechanical Engineering & Technology. 2017; 7(2): 40–43p.
A Review on Cascade System Using Different Refrigerant Pair and on Freeze Drying
This study is presented a cascade refrigeration system for different refrigerant pair for high temperature cycle(HTC) and low temperature cycle(LTC). Different pairs are R404-R23 , R744-R717 , R404-R22 etc for low and high temperature cycle and also review on freeze drying application that is performed using cascade refrigeration system. Comparing the moisture content , vitamin C content and other properties of different fruits before and after freeze drying. Various condition of different paper used like freeze drying temperature , sample size , different operating condition etc are also listed. Cite this Article Keyur Lad. A Review on Cascade System Using Different Refrigerant Pair and on Freeze Drying. Trends in Mechanical Engineering & Technology. 2017; 7(2): 36–39p.
An Investigation of Shrinkage Defect in Investment Casting of SS304 Ball Valve: A Review
In the manufacturing of ball valve, which requires corrosion resistance and long service life enabling the production with high efficiency, there have been some studies to achieve its forming method for high durability and designated smooth surface. The process of investment casting also known as “lost wax casting”, is one of casting methods to fabricate metal part with a complex shape. Flow behavior of stainless steel grade 304 at the temperature higher than 1550°C is a critical factor in casting mould design of the lost wax process. Non-desired heat transfer phenomena and using of the unsuitable mold design normally lead to defects in casting such as misrun, cold shut, shrinkage, pin hole and porosity. Parameters in casting such as pouring temperature, preheating temperature, pouring time, pouring rate and cooling rate were given by the current production condition. This paper deals with defect free investment casting of SS304 ball valve Cite this Article Nilesh Ranva, Ashutosh Kumar, Acharya GD. An Investigation of Shrinkage Defect in Investment Casting of SS304 Ball Valve: A Review. Trends in Mechanical Engineering & Technology. 2017; 7(2): 22–25p.
Modification of Gating System in Casting Process Using Simulation Tool to Reduce Defects
We all know that sand casting is one of the oldest methods used for accurate and precise manufacturing of parts and components. Foundry industry in our country is suffering from poor quality and productivity in sand casting due to involvement of number of process parameters. In past years, trial and error method was used to reduce defects in solidification. To find and eliminate defect and problem is very difficult task. To reduce this effort, recent technological advancement uses computers and latest tools and techniques. Simulation is one of the techniques which use vector element method to predict the solidification phenomenon of the process, prior the pouring of metal. Cite this Article Ladani Ketan B. Modification of Gating System in Casting Process Using Simulation Tool to Reduce Defects. Trends in Mechanical Engineering & Technology. 2017; 7(2): 7–10p.
Fault Identification by Wavelet Feature Extraction in Self Aligning Rolling Element Bearings Using Neural Networks
This paper aims to present a comparison of different individual defects in self aligning ball bearings by the use of statistical tools and machine learning techniques like artificial neural network (ANN). The results generated are analyzed, and more realistic conformance to the theoretical observations has been drawn. Vibration analysis of a fault affected component gives a good understanding of machine diagnostics. Inner race and outer race defects have been studied in this paper. This study suggests a method of feature extractions by using wavelet transform and then an algorithm based on ANN which verified the experimentation. ANN architecture also avoided inappropriate classification while calculating the defect value. Cite this Article Kushal Goyal, Pratesh Jayaswal. Fault Identification by Wavelet Feature Extraction in Self Aligning Rolling Element Bearings Using Neural Networks. Trends in Mechanical Engineering & Technology. 2017; 7(2): 11–17p.
Resistance Spot Welding of Aluminum Alloy with Reference of Mechanical Properties and Microstructure: A Review
This paper presents review on the resistance welding of Al to Al, Al to Mg, Al to Al with steel as an interlayer with focus of mechanical properties and microstructure. Major barrier for the aluminum welding is the surface oxide layer which induces higher resistance for the welding of resistance spot welding. It results in the immediate tip wear of electrode and also gives effect on the properties of weld material in the resistance spot welding. Studies show that the significant cleaning of oxide layer upto few microns can enhance the electrode force and also low current and high frequency can significantly reduce the contact resistance which finally increases the joint quality of the aluminum. Interlayer of stainless steel can also change the fusion properties of the aluminum. Other interlayers like Al-Mg, Al-Cu28 also increase the formation of intermetallic compounds and improve joint quality. Cite this Article Arick Lakhani, Darji PH. Resistance Spot Welding of Aluminum Alloy with Reference of Mechanical Properties and Microstructure: A Review. Trends in Mechanical Engineering & Technology. 2017; 7(2): 1–6p.
Analysis of Process Parameters Used in Plasma Cutting Machine: A Review
In most recent forty years, there has been gigantic research in machining and advancement in innovation. With increment in rivalry in advertise and to accomplish high precision now days, the nonconventional machining has moved toward becoming help of any industry. A standout amongst the most vital non-regular machining techniques is plasma bend machining. Its high precision, completing, capacity of machining any hard material, and to deliver multifaceted shape, increment its request in advertise. In this review paper we presented the work on parametric optimization of plasma arc cutting machine. In request to achieve target and ideal outcomes, Taguchi strategy is utilized as a part of the investigation of this paper. The proper orthogonal cluster has been chosen according to number of elements and the levels to perform least experimentation. The work bits of stainless steel materials were utilized for try reason. The ideal esteem has been resolved with the assistance of principle impact plot and ANOVA table for consider reason. The relapse condition for MRR and surface harshness (Ra) has been produced with the assistance of Minitab 15 Programming which is utilized as a part of paper. Affirmation tests have been done to affirm the esteem assessed through the product..The confirmation for MRR run was done by using the setting of different parameters like gas pressure, current flow rate, cutting speed and arc gap. Results are provided to confirm the effectiveness of this approach. After the confirmation, the MRR value error within 10% was allowed. Cite this Article Trivedi Kamal H, Kundaliya Dipesh D. Analysis of Process Parameters Used in Plasma Cutting Machine: A Review. Trends in Mechanical Engineering & Technology. 2017; 7(2): 18–21p.
Crash and Vibrational Analysis of Car Body
This paper describes about the relevance of the crash analysis required for the safety of the automobile during the time of the crash. During the crash of an automobile, some parts in the front of an automobile body will have plastic deformation and absorb a lot of energy. Hence, it is necessary to check the car structure for its crash ability so that safety is achieved together with fuel economy. Crash Simulation is a virtual restoration of a crash test of a destructive car by using simulation software in order to examine the level of safety of the car and its occupants. This project was an effort to analyze the crash worthiness of the vehicle for different materials, which are not only lightweight but also have high energy absorption capacity while undergoing plastic deformation. The main objective of this project is to find fundamental characteristics like frequency, stress, strains for different material and velocity influences in the car body structure. A car body designed by using CREO 2.0 parametric software. It is solved for full frontal impact in ANSYS work bench. Computational simulations and various results are plotted and analyzed. Cite this Article K. Lakshmi Chaitanya, K. Srinivas, S. Venkateshwar Rao. Crash and Vibrational Analysis of Car Body. Trends in Mechanical Engineering & Technology. 2017; 7(2): 26–35p.
Analysis and Characterization of Tensile Property of Mg MMC using ANSYS
The objective of the this research paper is to predict the stress and strain values of magnesium metal matrix composites using finite element analysis (FEA) and compare with the universal testing machine (UTM) results through the tensile load. The composites were prepared by semi solid stir casting process. Tensile specimens with ASTM B557 standard dimensions were prepared from the composites. These specimens were subjected to uni-axial tension under the 10 t capacity UTM. The specimen’s FEA models were created using ANSYS 16 and the stress strain values were obtained. The actual results were compared with the predicted values obtained from the FEA. It was ensured that the FEA results had well agreement with the original deformation length with in the acceptable error margin. Cite this Article Tarasasanka C, Ravindra K. Analysis and Characterization of Tensile Property of Mg MMC using ANSYS. Trends in Mechanical Engineering & Technology. 2017; 7(1): 1–5p.
A Review: Effect of Different Shielding Gas on Weld Penetration in Stainless Steel in GTAW Process
Gas tungsten arc welding (GTAW) is high quality and high precision welding process which is suitable for welding thin metals. Inert gases as helium and argon, carbon dioxide and nitrogen are used as a shielding gas to prevent the weld bead from air, dust and other contaminations in welding. There are so many welding process parameters which affect the weld quality in GTAW. Important process parameters which mainly affect the weld quality are welding current, arc voltage, welding speed, gas flow rate, heat input, and specimen thickness. Bead geometry is an important parameter for GTAW process. Depth of penetration is main requirement in this paper, and how to increase the depth of penetration is the key feature for this work. Cite this Article Pandya A, Acharya GD. A Review: Effect of Different Shielding Gas on Weld Penetration in Stainless Steel in GTAW Process. Trends in Mechanical Engineering & Technology. 2017; 7(1): 13–18p.
A Review on Investigating the Effect of Machining Parameters on Surface Roughness, Machining Forces and Tool Wear in Turning of AISI 4340
<!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:TargetScreenSize>800x600</o:TargetScreenSize> </o:OfficeDocumentSettings> </xml><![endif]--> Now a day due to the advent of technology, newer materials are coming day by day in the market, due to which it is difficult for an operator to choose the proper cutting parameter for a tool-workpiece combination to get required surface finish and dimensional precision. The main problem associated with turning process is surface roughness and tool wear, which affect the quality of turned part. The main objective of this study is to investigate and evaluate the effect of different cutting parameters (cutting speed, feed rate and depth of cut), cutting conditions (dry, wet, etc.) and interface temperature on surface roughness and tool wear during turning of AISI 4340 alloy steel. Cite this Article Jignesh Khara, Shivang Jani, Acharya GD. A Review on Investigating the Effect of Machining Parameters on Surface Roughness, Machining Forces and Tool Wear in Turning of AISI 4340. 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Static and Dynamic Balancing of Rotating Machineries in The Field: A Review
Static and dynamic balancing of a rotor plays an important role in deciding the life of any turbo-machinery. Vibrations generated due to unbalance rotor is considered as one of the major factors that can lead to accelerating degradation of machine components or even catastrophic failure, especially at high speed where reliability is important consideration. Rotor unbalance may result due to error in manufacturing process, wear and tear of rotating component, thermal deformations, deposition of material on rotor surface etc. There are various static and dynamic balancing methods depending upon type of rotor. Different methods of rotor balancing require different trial runs (number of times the machine has to stop) so as to place trial weights and measure vibration amplitude. Any method which balances the rotor in less number of trials is considered to be the efficient one, because stopping machine results in more energy consumption and reduction in machine life. This paper reviews the various methods of static and dynamic balancing of rotor and effect of rotor speed on its balancing. Cite this Article Singh Konal I, Saket Kolhe, Bhende Amit R. Static and Dynamic Balancing of Rotating Machineries in the Field: A Review. Trends in Mechanical Engineering & Technology. 2017; 7(1): 40–46p.
Design and Analysis of Wheelchair by Ethnographic and Ergonomics Considerations
Relatively there are considerable numbers of people who are unable to walk freely due to oneor the other problems in their legs. There are numerous types of wheelchairs available in the market; however there are various difficulties for the patients in using the manual wheelchair. Hence, there is a scope to understand the patients’ requirements and design the wheelchair as per the patients’ needs by the ethnographic and ergonomics research. Option would be to improve the function of wheelchairs with the help of ethnographic research by the inputs given by various patients, users, attendants and doctors in problems identifications and solving problems of wheelchairs. The main objective is to design the wheel chair based on ergonomic consideration which gives comfort to the user and to carry out the analysis for the wheel chair for different materials and obtain the efficient material with minimum weight. Cite this Article Chandrakant Kulkarni, Abhijit Dandavate, Maheshwar MC. Design and Analysis of Wheelchair by Ethnographic and Ergonomics Considerations. Trends in Mechanical Engineering & Technology. 2017; 7(1): 33–39p.
A Review on Unfilling Defect Found in Hot Forged 42CrMo4 Connecting Rod
The objective of this paper is to study hot forging process on connecting rod and also find the causes as well as remedies for those defects. This review paper emphasizes on finding thecause and effect of various defects found in connecting rod manufactured by hot forging from 42CrMo4 material. Connecting rod is one of the most important component s in automobile. But, various defects are seen in that component part , especially unfilling, mismatch and surface cracks. So, cause and effect diagram is prepared so as to improve the quality and reduce rejection rate. Cite this Article. Lakhan Thakkar, Hardik Chauhan, Manoj Sheladiya. A Review on Unfilling Defect Found in Hot Forged 42CrMo4 Connecting Rod. Trends in Mechanical Engineering & Technology. 2017; 7(1): 26–32p.
Investigating the Effect of Inoculation on Microstructure of IS: 210 in Casting of Bracket: A Review
The objective of present investigation is to review the effect of the inoculants on the microstructure of grey cast iron. Effects of the inoculants were investigated through metallurgical analysis of the matrix microstructure and the mechanical properties of the cast bracket. Effect of silicon carbide and ferro-silicon at different temperature and at different weight percentage on grey cast iron is investigated. The results show that both, the SiC and the conventional inoculant FeSi resulted in improved properties of the molten iron over the original uninoculated molten iron. The inoculants produced smaller graphite particles, reduced tendency to form shrinkage cavities and porosities during the solidification of the molten iron, decreased super cooling degree, reduced formation of non-metal inclusions, and enhanced mechanical properties (of the cast irons). Cite this Article Dhaval Pansuriya, Kagathara Manahar S, Acharya GD. Investigating the Effect of Inoculation on Microstructure of IS:210 in Casting of Bracket: A Review. Trends in Mechanical Engineering & Technology. 2017; 7(1): 47–51p.
Influence of Various Additives on Tensile Strength and Quality of PVC Wire Jacket
Polyvinyl chloride (PVC) is one of the most commonly used plastic materials in the world. A number of studies have been done to investigate the various effects of additives in PVC compounding. This paper primarily reports the effect of the composition of Chlorinated Paraffin Wax (CPW), Di-octyl phthalate (DOP), PVC Resins and Calcium Carbonate on the Tensile Strength of PVC wire insulation. DOP is a commonly used plasticizer from the phthalate ester family and has been in use in flexible products since the 1930’s. DOP is in use with the addition of CPW as a secondary plasticizer in many industries in India. This research shows the behavior of the individual component with their interaction with each other for Ultimate Tensile Strength (UTS). Cite this Article Peeyush Kumar, Divya Chauhan. Influence of Various Additives on Tensile Strength and Quality of PVC Wire Jacket. Trends in Mechanical Engineering & Technology. 2017; 7(1): 6–12p.
Comparison of Experimental and Theoretical Results of Tool Wear Rate in Electrical Discharge Machining
Though electrical discharge machining (EDM) process is capable for complex and precise machining of materials irrespective of their hardness, it has certain limitations like low material removal rate (MRR), high tool wear rate (TWR), etc. which restrict its application areas. In EDM, material removal from workpiece and tool takes place by means of sparking between them which is a quite complex process. So, it is difficult to predict material removal rate and tool wear rate for various process parameters. In this paper, the experimental data available in existing literature are used to derive empirical formulas for heat distribution factor, crater radius and depth. The tool wear rate is calculated based on these formulas and validated with experimental results. For the selection of optimum process parameters, the proposed theoretical model can be used in EDM process. Cite this Article Sanghani CR, Acharya GD, K. D. Kothari. Comparison of Experimental and Theoretical Results of Tool Wear Rate in Electrical Discharge Machining. Trends in Mechanical Engineering & Technology. 2016; 6(3): 53–57p.
Experimental Investigation on a Diesel Engine Fuelled with Blends of Karanja Biodiesel and Diesel: Combustion and Performance Studies
With the stock of fossil fuels diminishing throughout the world and demand for energy based comforts and mobility ever increasing, time is ripe that we strike a balance between energy security and energy usage. Moreover having uplifted to such a sphere of engineering excellence, reverting back to the ages of the bull carts will prove next to impossible thereby compelling us to search for a basket of alternative fuels to derive energy to cater to our needs. Several sources of energy, especially for driving the automotives are being developed and tested. Biodiesel, which is a derivative of vegetable oils, is catching the attention of various nations through its much similar properties to conventional diesel. An experimental investigation was carried out on a small direct injection (DI) diesel engine, fuelling the engine with 20% (B20), 50% (B20), and100% (B100) blending of rapseed oil methyl ester with diesel. The performance and combustion characteristics of the engine at various loads are compared and analyzed. The results showed higher brake specific fuel consumption (BSFC) and lower brake thermal efficiency (BTE) for the rapeseed blends. The engine indicated power (IP) was more for the blends B20, but found to be reduced for the blend B100 when compared to that of diesel. The engine combustion parameters such as pressure crank angle diagram, peak pressure, time of occurrence of peak pressure, net heat-release rate, cumulative heat release, ignition delay and combustion duration were computed. The rapeseed blends exhibited similar combustion trend with diesel. However, the blends showed an early start of combustion with shorter ignition delay period. The study reveals the suitability of rapeseed blends up to B20 as fuel for a diesel engine mainly used in generating sets and the agricultural applications in India without any significant drop in engine performance. Cite this Article Ajay Partap Singh, Ajay Trehan. Experimental Investigation on a Diesel Engine Fuelled with Blends of Karanja Biodiesel and Diesel – Combustion and Performance Studies. Trends in Mechanical Engineering & Technology. 2016; 6(3): 41–52p.
Hybridizing Principle of TOPSIS with Regression Metamodel Approach for the Optimization of CNC-WEDM Process Parameters
Experiment is conducted on a Computer Numerical Control wire electric discharge machine under different conditions of process parameters. The experiment is carried out by using Aluminum Alloy AA6061 as a work material and a Brass wire as a cutting tool in CNCWEDM. This paper aims to develop a combination of DOE and Entropy based TOPSIS to solve multi response parameter optimization problems. An experimental investigation was carried out based on DOE to analyses, the sensitivity of CNC-WEDM attributes to the variations in process parameters such as Servo-voltage (SV), Wire-feed(WF), pulse on time(POT), pulse off time (POF). The most desirable factor level combinations were selected using DOE. The model developed in this study can be used as a systematic framework for process parameter optimization in conscious manufacturing process. Cite this Article Sandeep Tyagi, Manoj Kumar Gaur, Dinesh Kumar Kasdekar. Hybridizing Principle of TOPSIS with Regression Meta-model Approach for the Optimization of CNC-WEDM Process Parameters. Trends in Mechanical Engineering & Technology. 2016; 6(3): 18–25p.
Experimental and Computational Analysis of Parameters in Die-Sinking EDM Machine with AISI 316 Stainless Steel using TOPSIS
This paper proposes an effective solution based on TOPSIS approach to determine the optimal process parameters in die sinking electrical discharge machining. Taguchi L9 orthogonal array is used to gather information regarding the process with less number of experimental runs. Experiments have been conducted using three process parameters such as peak current, gap voltage, pulse on time, with three levels are selected to optimize the multiple objectives. AISI 316 stainless steel as a work-piece material and copper as electrode material used for the experiments are arranged on the electrical discharge machine for the research work in order to develop the optimal condition of the response parameters MRR and TWR Cite this Article Madhavi Pathak, Manoj Kumar Gaur, Sharad Agrawal. Experimental and Computational Analysis of Parameters in Die- Sinking EDM machine with AISI 316 stainless steel using TOPSIS. Trends in Mechanical Engineering & Technology. 2016; 6(3): 7–13p.
Optimization of EDM Process Parameters with Aluminium-Fly Ash Composite using Taguchi method
Aluminium based fly ash composites have gained huge popularity over the aluminum and its alloy. These aluminium based composites are being widely used in various applications such as automotive parts, machine cover, frames and ducts etc. Fly ash addition not only makes aluminium harder, stronger, stiffer and more wear resistant but also saves energy consumption and helps in cutting down green house emissions by utilizing almost freely available fly ash which is a waste of thermal power plant and problematic to dispose off. Alfly ash composite is electrically conductive and can be processed by Electro Discharge Machining (EDM). Rough cutting operation in EDM is treated as a challenging one because improvement of more than one machining performance measures viz. metal removal rate (MRR), surface finish (SF) and tool wear are sought to obtain a precision work. Using Taguchi’s parameter design, significant machining parameters affecting the performance measures are identified as discharge current, pulse duration and dielectric flow. It has been observed that a combination of factors for optimization of each performance measure is different. In this study, the relationships between control factors and responses like MRR and SF have been established. Cite this Article Pankaj Kr Sharma, Shashi Prakash Dwivedi, Amit Kr Sharma et al. Optimization of EDM Process Parameters with Aluminium-Fly Ash Composite using Taguchi method. Trends in Mechanical Engineering & Technology. 2016; 6(3): 1–6p.
Innovaluation: The Skill Set for Make in India Initiative in IOT Era
This work attempts to analyze the role of new manufacturing scenario, in the IOT (Internet of things) era which has facilitated manufacturing automation, while simultaneously witnessing unprecedented competitiveness. Manufacturing has been threatened in most of the world except in China and USA, and awaits an action for a speedy recovery. One of the modes to revival is projected through all round cost cutting. To affect cost cutting, it is envisaged that the element of value addition be invigorated, using innovation as input and IIOT (industrial IOT) as the tool. The latter allows manufacturers to assign each of their physical assets a digital identity to maneuver the exact location and condition of those assets in real-time ubiquitously throughout. The trio of Value addition, innovation, and IIOT has been paradigm as an extension of the Joiner’s trilogy model. This set of imperatives of innovation, valuation and IIOT, which serve for cost cutting individually and collectively, may be holistically applied. In that holistic form these have been collated as a tool termed as Innovaluation. By providing for the most ‘valuable’ domains fitting into Joiner’s model—grounded over competence—Innovaluation assures achieving the most of profitability in manufacturing. This is in line with the coveted ‘Make in India’ initiative proposed by our worthy Prime Minister, Shri. Narendra Modi. Cite this Article Priyavrat Thareja, Komal Sharma, Samridhi Sharma et al. Innovaluation - The Skill Set for Make in India Initiative in IOT Era. Trends in Mechanical Engineering & Technology. 2016; 6(3): 26–40p.
Minimizing the Sand Casting Defects Using Taguchi Method
The global market is becoming more and more quality conscious now a days. This Research work includes minimization of sand casting defects in C.I. based foundry. The survey was carried in small scale CI based foundry (Surat). Major defects were observed are misrun, coldshut, blowholes, and porosity. Taguchi method is used to optimize the control parameters like moisture, permeability, pouring time, pouring temperature. L18 orthogonal array is used in this research work. Critical parameters are optimized using Signal to noise Ratio (S/N Ratio). Cite this Article Priyank V Parekh, Vadher JA. Minimizing the Sand Casting Defects Using Taguchi Method. Trends in Mechanical Engineering & Technology. 2016; 6(3): 14–17p
Ecofriendly Foundry Sand Binders: A Review
The casting process is the most versatile manufacturing process. It involves pouring of metal into a mould, thus the mold material and molding method must be selected with care. Resin bonded sand casting is a high demanding technology due to its good surface finish, dimensional stability and shakeout characteristics. This paper reviews the different types of binders used in casting process to produce moulds. The Foundry industry has found itself under intense competitive pressure from a long period. The Foundry binders can improve productivity by minimizing manufacturing process time. Good quality and on time delivery are expected as a matter of course. The need to develop more and more ecofriendly binders is discussed in this paper. The binders should produce excellent strength properties and minimum emission. This paper also deals with the suitability of binders for different scale of production i.e., small, medium and large. Cite this Article Shailee Ghanshyambhai Acharya, Jeetendra A. Vadher. Ecofriendly Foundry Sand Binders - A Review. Trends in Mechanical Engineering & Technology. 2016; 6(2): 51–58p.
Current Trends in Optimization of Parameters of Electric Discharge Machining Process: A Review
Wire-cut electrical discharge machining (EDM) is an emerging machining process for machining hard-to-machine materials and intricate shapes which are impossible to make with conventional machining process. The optimum selection of input parameters for the wire electrical discharge machining (WEDM) process is based mainly on the technology used and experience of the operator. This paper reviews the effect of most significant input process parameters of WEDM such as pulse on, pulse off, peak current (IP), spark gap voltage (SV), wire feed (WF), wire tension (WT), pulse peak voltage, dielectric pressure, servo feed etc. on the response parameters like surface roughness (SR), material removal rate (MRR), wire wear ratio (WWR) and surface integrity factors. This paper also reviews the various optimization techniques used by the researchers. Cite this Article Singh N, Goyal K. Current Trends in Optimization of Parameters of Electric Discharge Machining Process: A Review. Trends in Mechanical Engineering & Technology. 2016; 6(2): 25–33p.