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Mechanical Components - Introduction to Industrial Robots


Robot Classifications



SCARA Robots

One style of robot that has recently become quite popular is a combination of the articulated arm and the cylindrical robot. This robot has more than three axes and is called a SCARA robot. It is used widely in electronic assembly. The rotary axes are mounted vertically rather than horizontally. This configuration minimizes the robot's deflection when it carries an object while moving at a programmed speed.

The acronym SCARA stands for Selective Compliance Assembly Robot Arm, a particular design developed in the late 1970's in the laboratory of Professor Hiroshi Makino of Yamanashi University, located in Kofu, Japan. The basic configuration of a SCARA is a four degree-of-freedom robot with horizontal positioning accomplished by a combined Theta 1 and Theta 2 motion, much like a shoulder and elbow held perfectly parallel to the ground.

SCARAs are know for their fast cycle times, excellent repeatability, good payload capacity and a large workspace, shaped somewhat like a donut. SCARAs also feature sophisticated motion control with full programmability. With its torso-based, one arm design, the SCARA integrates easily into most applications.

For flexible, high speed parts assembly and handling, consider a SCARA, one of the most useful and flexible automation tools available.

 

 




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