Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 3, Issue 5, May 2013)
Evolution of Industrial Robots and their Applications
Balkeshwar Singh1, N. Sellappan2, Kumaradhas P.3
1,2,3
Mechanical Engineering Section, Salalah College of Technology, Salalah, Sultanate of Oman
It has been reported that material handling and the additive processes of welding counted for 80% of the industrial robot based applications in 2003, but foresights an extension into subtractive manufacturing applications. It has also been predicted that a lightweight type robot, capable of both subtractive and additive manufacturing, will have an impact on the car industry and the small and medium sized enterprises (SMEs) [2].
In the past, factory production lines were automated for mass production, and many industrial robots and specialized machines were introduced. Recently, flexible manufacturing systems, such as the cell production system
(unlike in the line production method, an entire product is assembled by one worker), are being introduced in an increasing number of production sites in order to deal with differentiation of products and to meet diversified needs.
However, many of the tasks in flexible manufacturing systems rely heavily on workers because the number of parts to be handled is larger so the time and costs required to switch product types on robots and specialized machines is greater [3].
Robots are valued in industry for the usual qualities of machines: untiring availability, predictability, reliability, precision and (relative) imperviousness to hostile environments. They do not, as yet, possess several important capabilities which come naturally to humans: the ability to react to unforeseen circumstances or changing environments, and the ability to improve performance based on prior experience. State-of-the art robots (mostly in, research labs) do have crude senses of
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