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Disadvantages Of Industrial Automation

2208 Words9 Pages

Industrial automation and robotics technology
Swetha S
IV year, Rajalakshmi Engineering College

ABSTRACT

Automation and robotics are two closely related technologies. In industrial content, we define automation as a technology that is concerned with the use of mechanical, electronic and computer-based system in the operation and control of production. Examples of automation include transfer lines, mechanized assembly machines; feedback control systems numerically control machine tools and robots. Accordingly, robotics is a form of industrial automation.

There are three broad classes of industrial automation fixed, programmable and flexible. Of the three types of automation robotics coincides closely with …show more content…

Hydraulic drive
2. Electric drive
3. Pneumatic drive
Hydraulic drive and electric drive are the two main types of drives used on more sophisticated robots.
Hydraulic drive is generally associated with larger robots, such as the Unimate 2000 series. The usual advantages of the hydraulic system are that it provides the robot with grater speed and strength. The disadvantage of the hydraulic drive system are that it is typically adds to the floor space required by the robot, and that a hydraulic system is inclined to leak oil with a nuisance.
Electric drive systems do not provide as much speed or power as hydraulic systems. However, the accuracy and repeatability of electric drive systems are usually better. Consequently, electric rend to be smaller, requiring less floor space, and their application tend toward more precise work such as assembly. The MARKER 110 is an example of an electronic drive robot that is consistent with these tendencies.

CONTROL SYSTEMS AND DYNAMIC PERFORMANCE
Commercially available industrial robots can be classified into four categories according to their control systems. The four categories are:
1. Limited-sequence robots
2. Playback robots with point-to-point …show more content…

Today most of the applications are in manufacturing to move materials, parts, and tools of various types. Further application includes nonmanufacturing tasks, such as construction work, exploration of space, and medical care. At some time in the distant future, a household robot may become a mass production item, perhaps as commonplace as the automobile is today.
1. Material-handling and machine-loading and –unloading applications. In these applications the robots function is to move materials or parts from one location in the work cell to some other location.
2. Processing application. This category include spot welding, arc welding, spray painting, and other operations in which the function of the robot is to manipulate a tool to accomplish some manufacturing process in the work cell. Spot welding represents a particularly important application in the processing category.
3. Assembly and inspection. There are two separate operations which we include together in this category. Robotic assembly is a field in which industry is showing great interest because of the economic

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