The importance of robots in industries is increasing day by day and they constitute a very important part of the modern industries. Robots have made so many things possible, which could not be even thought of around 6 decades ago. They have taken the place of manual labor, especially in places where people worked in very dangerous and hazardous conditions like welding, die casting and forging. They have brought about revolutionary changes in the field of industrial manufacturing. According to a research conducted by the United Nations Economic Commission for Europe the worldwide purchase for robots is increasing at the rate of approximately 19% every year.
Pharmaceutical companies use machine vision systems in automated production lines to inspect injection needles, which are unusable if blunt or bent. Multiple cameras photograph needles as they flow through the system on powered conveyors. Sophisticated computer software analyses the captured images to determine needle sharpness and check the contour of the tube. Industrial robots use this information to separate and discard defect needles.
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Machine vision systems for weld inspection comprise a sensor mounted on a robotic arm. A laser in the sensor projects a line of light across the surface of a component joint, a technique known as laser triangulation. At the same time, a high-speed camera, also housed in the sensor, captures an image of the line as an elevation profile. Through the relative motion of the component and the sensor, the system builds a 3D image of the welded seam surface.
Robots bring a new industrial revolution. Adoption of industrial robots in non-automotive applications is occurring in the electronics, chemicals, pharmaceutical, and food & beverages industries. Industrial robots have opened up new market opportunities. High installation costs have been largely overcome, making industries in developing markets available to vendors. The adoption of robots in underdeveloped countries occurs because of the unavailability of skilled labor.
The most commonly used robot designs for industrial use are the articulated, SCARA and gantry types. Predominant type of industrial robots in use is a robot arm, which are very independent. Unimation were pioneers in producing industrial robots. These appliances are designed by connecting communication cables to the Ethernet, FireWire, or serial ports of a computer.