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Robot arms are fundamental components in robotics, designed to mimic the movement and functionality of a human arm. They play a vital role in various industries by automating tasks that require precision, strength, or repetitive motion. Understanding the different types of robot arms helps businesses and engineers select the right solution for their specific needs.

One of the most common types is the articulated robot arm, which has rotary joints similar to a human shoulder and elbow. These arms typically have six degrees of freedom, allowing them to move with great flexibility and reach complex positions. Articulated robot arms are widely used in automotive manufacturing for welding, painting, and assembly tasks due to their versatility.

Another type is the SCARA robot arm (Selective Compliance Assembly Robot Arm). SCARA arms have two parallel rotary joints, which provide rigidity in the vertical direction but flexibility in the horizontal plane. This design makes them ideal for high-speed and precision tasks such as assembly, packaging, and electronics manufacturing.

Cartesian robot arms, also known as gantry robots, operate along three linear axes—X, Y, and Z—allowing straightforward and precise movement. They are often used in CNC machines, 3D printing, and pick-and-place applications. Their simple design makes them easy to program and maintain, especially for tasks requiring linear motion.

The cylindrical robot arm moves within a cylindrical coordinate system, combining rotary and linear motions. These robots are suitable for applications like material handling, spot welding, and machine tending, where the arm needs to reach around an object or into tight spaces.

Lastly, polar or spherical robot arms have a twisting joint and two rotary joints, allowing the arm to cover a spherical work envelope. They are commonly used in handling heavy parts, painting, or assembly tasks that require broad, sweeping movements.

Each robot arm type offers distinct advantages depending on the application. Choosing the appropriate robot arm involves considering factors such as range of motion, payload capacity, speed, and precision requirements.

In conclusion, robot arms come in various configurations—articulated, SCARA, Cartesian, cylindrical, and polar—each suited for different industrial tasks. Understanding these types helps organizations implement efficient and effective robotic automation tailored to their operational needshttps://www.samfacc.com/products/