Five Types of Industrial Robots And How To Choose The Best Fit
A simpler, more complete definition of robotic types can be narrowed down to five types: Cartesian, Cylindrical, SCARA, 6-Axis and Delta. Each industrial robot type has specific elements that make them best-suited for different applications. The main differentiators among them are their speed, size and workspace. Knowledge of each operating aspect of all five types can help machine designers choose the best robot for their process. To learn more about Valin's complete robotic offering, click here.
Multi Axis Cartesian Robots. Also be sure to check out IAI's WU Series Wrist Unit for Single Axis and 2-Axis Cartesian Robots.
Cylindrical robots are very simple and similar to Cartesian in their axis of motion. Most Cylindrical robots are made of two moving elements: rotary and linear actuators. Because they have a cylindrical work envelope, machine designers might select them for their economy of space. The robot can be placed in the middle of a workspace and, because of its rotation element, it can work anywhere around it. Simple applications where materials are picked up, rotated and then placed work best for Cylindrical robots. Installation and use are not complex, and they come as fairly complete solutions with minimal assembly.
Omron's eCobra SCARA Robot.
Omron's Viper Six-Axis Robot.
Hornet 565 Parallel Robot and Quattro Parallel Robot.
Safety And Maintenance Of Industrial Robots
Across the board, all five types of robots come with almost the same level of safety implications. The typical method of protecting an operator from getting pinched or hit is an external system that basically creates a fence around the robots. This fence is a hard guard with a gate that, when opened by an operator, tells the robot to stop moving or switch to a mode of slow operation. This hard guard protects both the operator and the product by not allowing anyone to tamper with the robot when it is in use. As far as maintenance goes, there is no standard across the board for the robotic types. Maintenance periods mostly depend on the environments in which the robots are operating and their duty cycle. For example, processes with heavy exposure to dirt or dust will require more frequent maintenance on all robot types than processes in clean rooms.
Choosing The Best Fit
When designers are making the decision to implement one of the five robot types in their processes, they need to consider the basic starting points for any motion application: load, orientation, speed, travel, precision, environment and duty cycle. Determining these factors will draw direct correlations to the corresponding robot type that will give them the most efficient and effective results in their plant.
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