Robotic arm

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Robotic arm

A robotic arm is a type of mechanical arm with similar functions to a human arm. It is a programmable device that can perform a variety of tasks, such as welding, material handling, assembly, and painting. Robotic arms are widely used in industrial automation and have applications in medicine, space exploration, and consumer electronics.

Components[edit | edit source]

A typical robotic arm consists of several key components:

Types of Robotic Arms[edit | edit source]

Robotic arms can be classified based on their configuration and application:

  • Articulated arm: This type has multiple rotary joints and resembles a human arm. It is highly versatile and commonly used in industrial robots.
  • SCARA (Selective Compliance Assembly Robot Arm): This type has two parallel rotary joints and is used for tasks requiring high precision, such as pick and place operations.
  • Delta robot: This type has three arms connected to a common base and is used for high-speed operations, such as packaging and sorting.
  • Cartesian robot: This type has three linear joints and is used for tasks requiring linear motion, such as 3D printing and CNC machining.

Applications[edit | edit source]

Robotic arms are used in a wide range of applications:

Advantages[edit | edit source]

Robotic arms offer several advantages:

  • Precision: They can perform tasks with high accuracy and repeatability.
  • Efficiency: They can operate continuously without fatigue, increasing productivity.
  • Safety: They can perform dangerous tasks, reducing the risk to human workers.
  • Flexibility: They can be reprogrammed for different tasks, making them adaptable to various applications.

Challenges[edit | edit source]

Despite their advantages, robotic arms also face challenges:

  • Cost: High initial investment and maintenance costs can be a barrier for some industries.
  • Complexity: Programming and maintaining robotic arms require specialized skills.
  • Integration: Integrating robotic arms into existing systems can be challenging.

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Contributors: Prab R. Tumpati, MD