Types of Robots

Industrial robots: What are the different types?

An industrial robot commonly refers to a robot arm used in a factory environment for manufacturing applications. Traditional industrial robots can be classified according to different criteria such as type of movement (degrees of freedom), application (manufacturing process), architecture (serial or parallel) and brand. Then there is also a new qualifier for industrial robots that can be collaborative or not. This article presents the different
classifications with some examples.

Industrial robots with different types of movements

1. Cartesian robots

Cartesian robots are robots that can do 3 translations using linear slides (X,Y3Z movements)).

2. Scara robots

Scara robots are robots that can do 3 translations (X,Y, Z) plus a rotation around a vertical axis.

3. 6-axis robots

6-axis robots are robots that can fully position their tool in a given position (3 translations) and orientation (3 orientations)

4. Redundant robots

Redundant robots can also fully position their tool in a given position. But while 6-axis robots can only have one posture for one given tool position, redundant robots can accommodate a given tool position under different postures. This is just like the human arm that can hold a fixed handle while moving the shoulder and elbow joints.

5. Dual-arm robots

Dual-arm robots are composed of two arms that can work together on a given work piece.

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