What are degrees of freedom in robotic arms? (Easy guide)

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Degrees of freedom are essential for robotic arms to perform various tasks, including movement, grasping, and interacting with objects. If you're considering automating a manufacturing process, an understanding of degrees of freedom is crucial to your approach.

This article covers everything you need to know about degrees of freedom (DOF) and their application in various tasks.

• What are degrees of freedom in robotics?
• How many degrees of freedom each type of robot possesses?
• How robotic arm capabilities are influenced by degrees of freedom.

Let's dive in!

What are degrees of freedom in robotics?

In simple terms: Degrees of freedom (DOF) indicate the number of independent movements a robotic arm can execute. A higher count of degrees of freedom means increased skill and flexibility.

For example, a joint that rotates 360 degrees contributes one degree of freedom.

Most robotic arms consist of multiple joints, each contributing one or more degrees of freedom. For instance, a shoulder joint capable of moving vertically and horizontally contributes two degrees of freedom, while an elbow joint adds another.

Typically, robotic arms possess between three and seven or more degrees of freedom.

A robotic arm with three degrees of freedom can move up and down, left and right, and in and out, providing basic functionality but limited versatility.

Conversely, robotic arms with five or six degrees of freedom enable a broader range of motion and more intricate movements. Arms with seven degrees of freedom or more can accomplish tasks requiring high dexterity.

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As you explore further, consider the endless possibilities when you integrate robotics into your processes.

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