Robotics is an advance technology, which is widely used across all over the world. In this paper we discuss how the problems in the company, its solution, design and analysis of the manipulator. The problem is, to pick up the component from the conveyor and to place it on the bed of the CNC machine. Worker use the overhanging crane and to hold the component they use V-belt. It is wrong way to handling of component and not safe to worker. At this location in company the automation is required. The solution is hydraulic manipulator. In this paper we discuss designed parameters of manipulator, static structural analysis of manipulator components and analysis of assemblies.
KEYPOINTS: Robotics, Hydraulic manipulator, Manipulator Design, Hydraulic
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For that they required special workers. It leads to increase in cost of the components and investment. Robotics gives a proper solution for that, advance technology in robotics makes it easier and cost effective. Also the design required being safe, for that the analysis of the manipulator is required. Static structural analysis is the method to analyses the manipulator. Total deformation, normal stresses, equivalent elastic strain can be evaluated by using the analysis software. The analysis of simulation and results regarding the impact of the manipulability improves the life of manipulator, manipulator performance.
Objectives:
• Design of hydraulic manipulator for handling castings
• To carry out the handling of component with worker safety
• To reduce handling time and increasing accuracy of work
• To analyses the manipulator to improve its performance
Problem:
In company, they produce different types of castings and done many operations on casting to get finished final product. During performing the operations the company has to face many problems. Handling of components is one of them. For finishing of the castings they have CNC machines. To perform the operations on CNC machine the job or casting require to place on bed of machine in specified
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2:- Front View Fig. 3:- Top view Then by referring the above measurements of the sight, it’s clear from which position the component is picking up and to which position the component is place. Also by using top view measurements calculate the distance required to travel by the arm to place the component. It’s difficult to travel 1000mm distance by arm with the component, so there is requirement to minimize the distance and the optimized position to where the manipulator is placed is in figure no. 4. Now the distance require to travel by the arm to place the component is 200mm only. Fig. 4:- Optimized view
Design of manipulator: The design of manipulator requires many factors to taken in consideration. By considering these factors, sight measurements, some calculations the design of manipulator is completed. The sequence of manipulator design is as follow. At the initial stage the basic design of the manipulator is selected from the different ideas.
Basic design: This is the basic 2D design of the manipulator is selected from the different ideas. This is the simple idea, which has following advantages:
• Easy to use
• Less cost
• Highly flexible
• Less cycle
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As seen in Figure 7a, the motor follows the speed set points using field oriented
The distance between the target and first focal point (fs) of the standard lens were measured to give χ. The focimeter equation〖[F〗_t= F_(s^2 ) x] was used to work out the correct power of the lenses (Ft). A graph was plotted with Ft being the Y value (in dioptres) and χ being the X variable (in metres). Fs2 remained constant.
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(eye to chin distance) Feature 6= (eye to chin distance) / (virtual top of
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Norby is the chief protagonist in the Norby Chronicles series of novels by Isaac Asimov. Norby made his first appearance when he the 1983 published title Norby the Mixed Up Robot and went on to be the lead in eleven more tiles. While Janet Asimov wrote about 90% of the novel, Isaac Asimov polished some parts of the work and added his name to enhance sales. The Norby character was originally a robot that had been brought into being by another robot known as Mentor First on an interstellar planet.
From these functions, the required data needed was inclination, angular velocity and linear acceleration. For inclination, we directly used the Euler vector function which gives data in 0-359 ͦ. For angular velocity, vector gyroscope function was used. This function directly gives data in rad⁄sec which was required for finding angular velocity of the sensor. Finally, for linear acceleration, function called vector linear acceleration was used. Figure below shows the VECTOR-EULER function used for getting the required inclination values from the sensor.
8. Focus and centre the specimen using the medium objective lens. Focus firstly with the coarse focus knob, then with the fine focus knob (if needed). 9. Focus and centre the specimen using the low objective lens.
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In the first year of my graduation, the subject of workshop technology was offered which helped me to understand the basics of manufacturing. It involved study and working on machines like Lathe, Milling, Universal Grinding Machine, and other specific machinery. In later stage of my graduate programme, I