Shivraj Narayan Yeole

VNR Vignana Jyothi Institute of Engineering & Technology | VNRVJIET · Department of Mechanical Engineering

A screw jack is a tool for lifting heavy loads with little effort. In this paper, the design, model and fabrication of a Screw jack using 3D Printing Technology is discussed. Digital fabrication, or 3D printing or additive manufacturing, creates physical objects from a geometrical representation by successive addition of materials. In agriculture,...

Aim: Arthritis is a degenerative condition characterized by the progressive deterioration of the knee joint, leading to aches, rigidity, and decreased mobility. Total knee arthroplasty (TKA) surgery is performed to alleviate pain for restoring activity in these patients. TKA is carried out due to natural wear of the cartilage and meniscus or by sud...

Manufacturers are increasingly substituting additive manufacturing for conventional manufacturing methods due to their ability to produce complex shapes. Polymer-based filament materials can be printed efficiently and inexpensively with fused deposition modeling. Coatings tend to augment the appearance of 3D printed objects as well as protect them...

In the past few years, FDM basedpolymer 3D printing process has flourished mainly with ABS filaments as a thermoplastic source. Food packing, medical, marine and agriculture industries employdevices and other usable items made of polymers. Utilizing layered fabrication components in these areascompelthem to have self-cleansing, anti-freezing and co...

In almost every country, knee joint problems are common among humans. As per American Academy of Orthopedic Surgeons, it is estimated that 3.5 million individuals in the world will undergo knee replacement surgery by 2030. People with advanced rheumatoid arthritis, or long-standing osteoarthritis are usually affected by this deformity due to change...

Application of implants in dental patients has increased to a great extent all over the world. Readily available dentures and conventional techniques are being employed for developing such implants which are time-taking as well as not specific to the patient. However, researchers are working on developing alternatives to these. One such technique i...

Kevlar is commercial brand of fibers supporting para-aramids of light weight for major part of composite. It is applicable in robotics and automobile sectors where parts need to possess high tensile strength and excellent fatigue resistance. Carbon fibers are processed by thermal conversion of organic fiber with low Carbon content such as polyacryl...

The present study examines the mastication force that the implant can withstand for a patient-specific parameter. As a result, a finite element (FE) analysis is performed on the patient's unique oral maxillofacial implant. The force applied to the implant gradually increases to create a relationship between implant strength and mastication forces....

Additive manufacturing is a process of making the three-dimensional solid objects from a digital file. 3D printing has developed enough to perform crucial roles in our day-to-day life. So far, the religious components are produced manually through highly practiced skilled persons which involves lot of cost and time. Now, it is possible to make anci...

Human shoulder joints are susceptible to failure due to Osteonecrosis. It occurs at the humeral head region thereby collapsing it. For repair, resurfacing arthroplasty is used which involves reshaping of the humerus bone head and preparing an implant. But it is a tedious process to prepare the bone implant conventionally. This article presents deve...

For polymeric materials, FDM provides limitations in accuracy and surface finish. Polymeric 3D printed parts have a rough surface because of the filament deposition, texture of the slices laid and staircase effect. Application of surface coatings to these parts may improve mechanical properties, including surface texture and dimensions accuracy. Re...

Micro-electric discharge machining is a non-conventional electrothermal process used to produce microfeatures with precision and accuracy on difficult-to-cut materials. Efforts are made all over the globe for making the μ-EDM process robust for application through optimization. An attempt has been made to optimize the machining parameters of μ-EDM...

Foot pain, mainly flat foot, has been a major health issue of people all over the globe. It has been attributed to their sedentary lifestyle as compared to the past. Prime reasons for foot pain to occur even among normally arched individual are zero exercise, putting on excessive weight, prolonged sitting and standing etc. People in the age group o...

During accidents, joint dislocation is one of the majorly occurring injuries. Recent studies reveal that injuries to knee occur in around 20 to 40% of accidents and primarily while playing sports like basketball, soccer etc. People in the age group of 20–60 years are susceptible to these injuries and in some cases even beyond this age. Wear out of...

With the rapid growing popularity of Additive Manufacturing (AM) processes throughout the globe, researchers, enthusiasts and industries are using it in the manufacturing of complex shapes and parts. In Fused Deposition Modelling (FDM) process, apart from Acrylonitrile Butadiene Styrene (ABS), Polylactic Acid (PLA) is one of the most favoured mater...

Additive Manufacturing of ahuman mandible physical model is developedfrom thepatient having missing teeth at first molar position usingFDM (Fused Deposition Modelling) technique. These physical models are helpful for the surgeons to perform pre-operative procedure to improve the success rates of the surgery. Genesis AKTIV implant is Modelled using...

Introduction ➢ Optimization ➢ TLBO algorithm ➢ Applications of TLBO algorithm ➢ JAYA algorithm ➢ Applications of JAYA algorithm ➢ Conclusion ➢ References OUTLINE OF PRESENTATION Optimization is an effective tool for optimum utilization of existing resources so as to improve quality, productivity and to reduce the cost. Majority of the real-world si...

Osteoarthritis (OA) is a medical condition that affects the knee joint of humans primarily in the age group of 55–60 years. It specifically triggers cartilage breakdown due to aging. However, injury, obesity, inactivity, genetics, inflammation, diabetes, and other medical reasons may also lead to osteoarthritis in lesser age groups. Some of the sym...

Flat feet are one of the most commonly occurring ailments among humans all over the world. About 20–30% of the global population is suffering from this condition. Not only elder people but middle-aged people between 40 and 60 years and even younger age people between 18 and 21 years are also suffering from this ailment. Based on the National Foot H...

Additive Manufacturing is playing a major role in the manufacturing of parts by providing an alternative to the existing processes. However, strength of such 3D-printed parts using specific materials is still an area of current research. Polylactic acid, a biodegradable material, is one of the compatible materials in fused deposition modelling-base...

Quadcopters are also known as autonomous drones or remote controlled aerial vehicles or Unmanned Aerial Vehicles (UAV). Nowadays Quadcopters are widely used in various applications like Traffic updates, railway track inspection, military operations, surveillance, medical field, agricultural purposes, transportation, industries etc. The usage of UAV...

In the processing and manufacturing industries there is great demand for industrial control system/ automation in order to streamline operations in terms of speed, reliability and product output. Automation plays an increasingly important key role in the world economy and in daily experience. The designed system, carousel automated bottling system...

Fabrication of parts using additive manufacturing is proving to be an alternative to the conventional part manufacturing processes. However achieving desired strength in such 3D printed parts using specific materials is still an area of current research. Polylactic acid (PLA), a biodegradable material, is one of the compatible materials widely u...

MicroEDM process is mainly used for producing miniaturized features like microholes on different types of materials that are hard to cut and difficult to machine. One typical application of microEDM process is microhole drilling operation. Choice and utilization of optimum pulse parameters is of utmost importance for achieving superior surface qual...

Sheet metal is among the most widely used form of metal in metalworking industry. Among different applications, if the sheet metal is used on an automobile, locker or a strong room door, recording deformations due to impact will be a significant idea. Especially if a sensor system exists that can distinguish minor deformation from major deformation...

Modeling and simulation of components is an important aspect in 3D printing as it defines the shape and outcome of the process. In the recent years, 3D printing has been finding its use in combination with various processes to overcome the limitations of conventional processes. One such process is investment casting where the pattern is consumed du...

Mobile robots have many abilities, of which the most unique one is the mobility. The terrain over which, these robots must be able to move is often uneven, slippery or muddy, which gives rise to many challenges, particularly stability. Two of the most common methods for robot mobility are wheels and legs. The necessity of legged robots is increasin...

Flex sensor has multiple applications like most sensors. Even though it is widely used as a goniometer in rehabilitation research, its applications can be seen in different fields like, human machine interfaces, geology and musical instruments. In each application, the sensor identifies the flexure in terms of varying resistance that can be recorde...

Quadcopter is also known as an unmanned aerial vehicle (UAV) or autonomous drone or remote controlled aerial vehicle without the human on board. Quadcopters have a unique characteristic unlike the other conventional flying objects like vertical takeoff and landing (VTOL). They play a dominant role in different areas of applications like military op...

Acrylonitrile butadiene styrene is the most widely used material in fused deposition modelling. Majority of the research has been concentrated on the use of these materials using ASTM D638 Type-I standard. However, there is no work reported on the use of this material using ASTM Type IV standard. ASTM D638 Type-IV standard recommends for use of dif...

In industries, control and regulating the pressure are more important for many processes. But now-a-days industries are facing difficulties to analyse and control the location of leakage which are occurred in pipeline. This results in the plant shutdown and heavy maintenance. By implementing PLC and SCADA, the automatic controlling and monitoring p...

Rapid Prototyping is one of the most emerging fields of modern industry. It is one of the most time saving methods for production of physical parts or prototypes according to the required scale. Metal Casting is one of the most widely used methods for production of components. Casting in addition with the rapid prototyping process reduces the time...

3D printing is one of the most important technological advancement in additive manufacturing which has been implemented and recognized as a part of modern industry as it has many advantages over conventional approach of which one of the most important factor which is time. Generally in Fused Deposition Modeling the component is manufactured using t...

The designed low cost industrial automation process is best suitable for small scale industries to increase the production rate of manufacturing the bottles filling the liquid and relative operations on bottles. Automation plays an increasingly important role in the world economy and in daily experience . One of the important applications of automa...

In the past decade unmanned aerial vehicle (UAVs) has become a topic of interest in many research organizations. UAV can engage in finding unusual objects and they can perform the surveillance. Unmanned Aerial Vehicle (UAVs) is controlled from the control room. Now a day's UAVs used in many sector like rescue, coast guard, Fire departments, Hospita...

Belt conveyors are durable and reliable components used in the industries for transporting material. Conveyors producing single type of component at a time generally monitor and control a single type of object. However, if there are more objects, then another system needs to be developed. This paper presents the design, fabrication and validation o...

Replicating the exact shape of a part is very crucial in additive manufacturing. Specifically in the case of human bone transplantation, utmost care needs to be taken while printing the bone transplant as it could affect the prospects of possible replacement. This depends on the type of modeling method and process used in preparation of a CAD model...

The Micro-Electrical Discharge Machining, popularly known as micro-EDM, is a nonconventional machining process mainly used for producing micro features like micro holes, micro gears, micro moulds etc. that are difficult to be obtained by conventional process. It can machine different types of conductive materials especially the ones which are diffi...

Improving the quality of products being manufactured and enhancing the productivity is of utmost importance in today’s global competition. This could be achieved by addressing the bottlenecks present in the manufacturing process as well as in the layout. This project aims at optimizing the layout of Upvc windows manufacturing unit of M/s. GenX wind...

Automatic guided vehicles (AGVs) that run automatically and are controlled by computers have been used in a wide range of fields and applications, such as on factory production floors, in warehouses, and in distribution centres, and have received more attention as a mode of transportation because they do not produce CO 2 emissions that harm the env...

Automatic guided vehicles (AGVs) that run automatically and are controlled by computers have been used in a wide range of fields and applications, such as on factory production floors, in warehouses, and in distribution centres, and have received more attention as a mode of transportation because they do not produce CO 2 emissions that harm the env...

Engineering has always been the backbone of medical sciences. It is the helping hand for the doctors in performing their job precisely. There are many areas where engineering applications are used by doctors like electronic monitoring systems, surgical tools, prosthetics, implants and other instruments. Some of the surgeries where the fruits of eng...

Engineering has always been the back bone of medical sciences. It is the helping hand for the doctors in performing their job precisely. There are many areas where engineering applications are used by doctors like electronic monitoring systems, surgical tools, prosthetics, implants and other instruments. Some of the surgeries where the fruits of en...

Rapid-Prototyping (RP) is a group of techniques used to quickly fabricate a scale model of a physical part or assembly using three-dimensional Computer Aided Design (CAD) data. There are two phases in the birth of a product, first would be the design phase and second would be the manufacturing phase. Both the processes involve several steps as per...

Micro EDM, a variant of Electrical Discharge Machining (EDM) process, is used to drill micro holes in hard and electrically conducting materials. Since Maraging Steel 300 alloy has not been studied on micro EDM process, an attempt has been made in this research paper to investigate the effect of various process parameters on tool wear rate (TWR) in...

Any industry strives to achieve higher production rate by manufacturing superior quality products at lower cost, in less time and delivering them to the customer at right time. This helps the industry to maintain good market and reputation in the society. M/s. VELJAN Hyderabad, engaged in the manufacturing of hydraulic pumps and motors, observed th...

Automated Guided Vehicle (AGV) is a material handling system used mainly for material transfer automatically using unmanned vehicle in manufacturing facilities. AGVs find their application in various fields ranging from chemical, pharmaceutical, paper and printing to hospitals, food and beverages. Due to the abundant availability of human labour at...

Robots are developed basically to minimize the human effort and increase the quality of work. They find their application in a variety of fields, one such being the radioactive environment, generally present in the nuclear power plants. Safety of humans is of prime concern in the radioactive environments. Humans are prone to detrimental health effe...

Electrical Discharge Micro Drilling (EDMD) is considered as one of the most effective method for machining difficult to cut and hard materials like titanium alloy. However, selection of process parameters for achieving superior surface finish, higher machining rate and accuracy is a challenging task in drilling micro-holes. In this paper, an attemp...

The main aim of this paper is to find and optimize the significant process parameters in the manufacturing of a Microwave horn antenna. The quality of Microwave horn antenna depends upon surface finish and the electrical performance. Surface finish of the horn antenna is attributed to various process parameters, the most important being, cutting sp...

Microwave horn antennas are extensively used in aerospace applications. The surface finish of the antenna influences its quality and electrical performance. The quality and performance of horn antenna is attributed to process parameters apart from other factors. This paper proposes the use of Taguchi method for improving the surface finish and elec...

Presented work studies the effect of the machining parameters of end milling process to achieve better surface finish in the manufacturing of microwave horn antenna using Taguchi’s Robust Design methodology. The surface finish for the Aluminium material is studied with four control factors i.e., cutting speed, feed, depth of cut and tool diameter a...