Gearless transmission mechanism is capable of transmitting. Mar 22, 2017 the rotary and reciprocating motion of bent link transmit rotation of prime mover to 90 degree without any gear system to an output shaft without gears. Gearless elbow mechanism is portable and compact equipment. Icmiee18253 development and performance test of gearless. Apr 06, 2017 mechanical final year project gear less transmission system operation and function of gear less transmission system, transmit power from one shaft to anther shaft without using any gear and. Us1968030a us369966a us36996629a us1968030a us 1968030 a us1968030 a us 1968030a us 369966 a us369966 a us 369966a us 36996629 a us36996629 a us 36996629a us 1968030 a us1968030 a us 1968030a authority us united states prior art keywords means driven shaft shaft clutch driving prior art date 19290611 legal status the legal status is an assumption and is not a. Thus, there is the decision between gearless drives and drives using a gear, and, if gear driven. Here is a wonderful mechanism that carries force through a 90 degree bend. The mechanism which we have proposed in this paper shows the ability of an.
Design the mechanism uses elbow pins, more the number of pins more would be the effectiveness of power transmission. This system consists of number of links that would be within. Gearless mechanism in right angle, atish lahu patil, vinay prabhakar jadhav. May 29, 2017 the transmission includes an input shaft. So if you are confused on find your suitable major project for mechanical final year visit our list and find your solution. Analysis and simulation of gearless transmission mechanism. Using gears is expensive and it also decreases the efficiency. Gearless transmission is also known as elbow mechanism. The gearless transmission or elbow mechanism is a device for transmitting motions at any fixed angle between the driving and driven shaft. As technology is progressing, the subbranches of engineering multiply and adapt. Rameshgearless power transmission mechanism using 6 elbow rodsinternational advanced research journal in science, engineering and technology iso 3297. Mechatronics is a multidisciplinary branch of engineering that includes a combination of mechanical engineering, electronics, telecommunications engineering, computer engineering, systems engineering and control engineering. Project report gearless transmission linkedin slideshare. The grabcad library offers millions of free cad designs, cad files, and 3d models.
Pdf gearless power transmission mechanism using 6 elbow. Power transmission with minimum loss is the major criteria while calculating the efficiency of the machine. Jivraj mehta institute of technology, gujarat technological university, gujarat, india. This gearbox is then placed between the high speed motors and pinions and the low speed shaft driving the ring gear. Design, analysis and fabrication of gearless power transmission by using elbow mechanism written by g c keerthi prakash, gaurav kulkarni, hemanth kumar s published on 20170424 download full article with reference data and citations. Design and fabrication of gearless power transmission for skew shaft, r. S1 kudalkar hrishikesh2 patil vikas3 varak vishal4 1 faculty 2,3,4student 1,2,3,4 department of mechanical. Our list consists of innovative topics and ideas for mechanical major project. Gearless power transmission through elbow rod mechanism and. Gearless power transmission in angular positions using rodsmechanical mini project abstract todays world requires speed on each and every field. An unused form of transmission of power on shaft located at an. We have fabricated 4 pins gearless elbow mechanism. A research in this area brought new ideas to transmit the power using different mechanism. The motor and belt drive is coupled to the end of any one shaft.
Gearless transmission using elbow mechanism nevonprojects. This is also called as gearless transmission mechanism this. Design, analysis and fabrication of gearless power transmission by using elbow mechanism. Hiren1 and devendra patel2 1student, department of mechanical engineering, dr. The working of the mechanism is understood by the diagram. Design, analysis and fabrication of gearless transmission by elbow mechanism free download as pdf file. Working the gearless transmission or elbow mechanism is a device for transmitting motions at any fixed angle between the driving and driven shaft. The advantage of gearless transmission is that it can transmit power at any angle without using any gears. In addition, a gearbox can be used to reduce the speed of a high speed motor. Rameshgearless power transmission mechanism using 6 elbow rods.
Now days for achieving rapidness, various machines and equipments are manufactured by man. Capstone project on gearless transmission mechatronics. Therefore, it is appreciated that efficiency as high as 9092% are possible in gear less transmission mechanism. Jewelers machinist, a thread grinding company for aerospace and commercial applications, developed a unique, patented gearless torque transmission device, which could be either a speed increaser or reducer. A gearless transmission system using elbow rods can be as much as 90% efficient. Design, analysis and fabrication of gearless transmission. Mechanism consists of 2 hubs, 4 elbow rods, 2 shafts, motor a. Gearless power transmission mechanism using 6 elbow rods. This paper aims at the gearless mechanism of transmitting power by elbow mechanism. Mar 27, 2018 the elbow mechanism is an efficient design of gearless transmission technique and the kinematic system that allows for efficient powermotion transmission at right angles. Hence rapidness and quick working is the most important.
View and download powerpoint presentations on gearless transmission ppt. Solanki nehal pramesh, patel harshilk, sing montu and rajwani avesh design and analysis of gearless transmission through elbow mechanism, international research journal of scientific research. Todays world requires speed on each and every engineers field as confronted to the challenges of. Multiangular gearless drive is a motion transmitting device used for transmitting motion at multiple angles between the driving and the driven shaft. Design and analysis of gearless power transmission through elbow mechanism, solanki nehal pramesh.
S1 kudalkar hrishikesh2 patil vikas3 varak vishal4. G c keerthi prakash, gaurav kulkarni, hemanth kumar s, thalanki g vamsi krishna. Project report includes complete working of the project, concept machine drawing, working principle and many other helpful material. Design, analysis and fabrication of gearless transmission by elbow mechanism jagushte g. Design, analysis and fabrication of gearless power. Join the grabcad community today to gain access and download. Most of the elbow mechanisms have a fixed position at a particular angle 60 or 90 degrees. Power transmission for skew shafts is with the help of either crossed helical gear or worm gear or hypoid gears in a machine, but the manufacturing of these gear is very complex, power loss in gears due to sliding motion and the shaft orientations is very limited, so need arises for a better system. Gearless transmission 3d cad model library grabcad. To make efficiency calculations it would be necessary to specify materials, dimensions, relations and determine friction between parts.
These links slide inside hollow cylinders thus formatting a sliding pair. Design and fabrication of gearless power transmission for. Gearless power transmission mechanism as a reference we have designed the mechanism for transmitting motion at right angle. Mar 10, 2015 therefore, it is appreciated that efficiency as high as 9092% are possible in gear less transmission mechanism. Len, as i posted before, this is a very old mechanism. The gearless transmission is a device for transmitting motions at any fixed angle between the driving and driven shaft. Their design accommodates both skewed and offset shaft motion, and its transmitting principle is. This paper investigates and workouts the new mechanism by replacing.
As the power is supplied to the shaft from the motor through belt drive the. The elbow mechanism is an efficient design of gearless transmission technique and the kinematic system that allows for efficient powermotion transmission at any. Most of the machines are using the gear transmission from the input to output but it has the major power loss due to friction. This project uses elbow mechanism which is an ingenious link mechanism of slider and kinematic chain principle. In all seriousness, its a very good concept with the purpose of studying why gears are better, how much better they are and helping others invent new mechanical concepts based on this. Dec 16, 2016 design, analysis and fabrication of gearless transmission by elbow mechanism jagushte g. Design and analysis of gearless power transmission. Gearless power transmission in angular positions using rods.
Gearless power transmission through elbow rod mechanism. The engineer inconstantly conformed to the challenges of bringing ideas and design in. Discover more gearless transmission gifs, oddlysatisfying gifs, transmission gifs on gfycat. An investigation in this field has brought new ideas to transmit power using different mechanisms. Find powerpoint presentations and slides using the power of, find free presentations research about gearless transmission ppt. The rotary and reciprocating motion of bent link transmit rotation of prime mover to 90 degree without any gear system to an output shaft without gears. The elbow mechanism is an efficient design of gearless transmission technique and the kinematic system that allows for efficient powermotion transmission at right angles. Todays world requires speed on each and every engineers field as confronted to the challenges of efficient transmission of power. Gearless transmission mechanism is capable of transmitting power at any angle without any gears beingmanufactured. The gearless elbow transmission is a very economic and efficient mechanism and has shown an efficiency of up to 92%. A transmission is a machine in a power transmission system, which provides controlled application of the power.
However it can also be employed for transmitting motion at any angle to the driven shaft by using the pin bent to conform to the angle. Us1968030a us369966a us36996629a us1968030a us 1968030 a us1968030 a us 1968030a us 369966 a us369966 a us 369966a us 36996629 a us36996629 a us 36996629a us 1968030 a us1968030 a us 1968030a authority us united states prior art keywords means driven shaft shaft clutch driving prior art date 19290611 legal status the legal status is an assumption and is not a legal conclusion. Its practically useful when you end up in a universe where the laws of physics dont allow for gears to exist. Often the term 5 speed transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device in british english, the term transmission refers to the whole drivetrain, including clutch. Synopsis on gear less power transmission mechanical. Fabrication and manual analysis of a model using this mechanism which can be used. The synthesis of this mechanism would reveal that it comprises of a number of pins would be between 3 to 8 the more the pins the smoother the operation. The gearless transmission or elbow mechanism is a device for transmitting motion at any fixed angle between the driving and driven shaft. This document studies and trains the new mechanism by. Request pdf on sep 30, 2014, navneet bardiya and others published analysis and simulation of gearless transmission mechanism find, read and cite all the research you need on researchgate. Oct 22, 2017 gearless transmission using elbow mechanisum 1.
This paper investigates and workouts the new mechanism by replacing the bevel gear with 90. Combination of gearless transmission with rods and epicyclic gear train s. The elbow mechanism is an efficient design of gearless transmission technique and the kinematic system that allows for efficient powermotion transmission at any required angle. The synthesis of this mechanism would reveal that it comprises of a number of pins would be in between 3 to 8, the more the pins the smoother the operation. Pdf design, analysis and fabrication of gearless power. The synthesis of this mechanism would reveal that it comprises of a number of pins would be between 3 to 8, the more the pins, the smoother the operation. Mechanical final year project gear less transmission system operation and function of gear less transmission system, transmit power from one shaft to anther shaft without using any gear and. Journal of harmonized research in engineering 62, 2017. This project of gearless mechanism is introduced to increase the speed without the use of gears. This transmission system is to be analysed in solid works software to study reaction of elbow rods and hub and then the fabrication of mechanism is carried out. This mechanism allows for motion transmission from 90 degree to 180 degree angles between the driver and the driven shafts. Gearless power transmission in angular positions using. Gearless transmission mechanism and its applications. Nevonprojects has a large variety of major projects for mechanical engineering final year.
48 762 43 271 767 913 648 1321 1237 896 1387 1468 184 50 1464 265 1515 1275 1246 123 191 830 957 1074 245 270 814 255 571 870 54 671 1146 611 735 1289