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Transcript of Scara robots
SCARA stands for Selective Compliance Assembly Robotic Arm or Selective Compliant Articulated Robot Arm.
A Scara can have anywhere from 3-6 axis. With a 3/4, 2 and 12 axis versions.
They are made by companies such as Epson, Stäubli, Mitsubishi and Yamaha.
Scara can be used for fast, repeatable, point to point movements, palletizing, depalletizing, machine loading and unloading and assembly. They can also be used for in-place gasket forming.
Sizes of Scara robots can range from 150mm to 1000mm in length
Their prices go from $1500 for small robots up to $33,000 for large ones.
Advantages and disadvantages of scara robots are; they can assembly things vertically, they have faster movements, they are best suited for point to point movements
Disadvantages of Scara robots is that they are limited in movement, priced a little higher than most, larger work envelopes with a larger portion they cannot reach.
Cycle times can range from a time of .3 seconds to .45 seconds with the main reason for speed being the layout of the robots cell.
The work envelope of a Scara robot depends on its size. It can reach almost 360 degrees around itself. It would just take more movements for a
scara to reach all these spaces.
The payload of a Scara can be as little as under a kilogram upto 20 Kg or about 44 lbs.
The reach is from 175mm to 1351mm; just over a yard to 4 1/2 feet.