How do I built robotic arm?

Types of Robotic Arm:

The robotic arm can be characterized into 6 major categories based on its mechanical structure.

• Cartesian Robot: it has three joints which coincide with standard X-Y-Z Cartesian axes.

Image of a Cartesian robot arm

• Cylindrical robot: it has a number of joints that rotate on cylindrical axes, which rotate on one fixed rod.

Image of a cylindrical robot arm

• Spherical or polar arm: they are those with joints that allow it full rotation throughout a spherical Range.

Image of a polar robot arm

• SCARA Robot: These robots have two parallel rotary joints to allow full movement throughout a plane, typically for pick-and-place work.

Image of a SCARA Robot

• Articulated Robots: most commonly used configuration because of their flexibility in reaching any part of the working envelope. Mostly used in such complex application as welding, drilling and soldering operations.

Image of an Articulated Robot

Application:

Robotic arms are typically used for industrial applications. The application is the type of work robot is designed to do.

Different applications will have different requirements. For example, a painting robot will require a small payload but a large movement range. On the other hand, an assembly robot will have a small workspace but will be very precise and fast. Industrial robots are designed for specific applications and based on their function will have their own movement, linkage dimension, control law, software and accessory packages. Below are some types of applications:

• Welding Robot
• Material Handling Robot
• Palletizing Robot
• Painting robot
• Assembly Robot

Future outlook:

There are some special types of robotic arms that can be brought into our workspace in near future. Some of them are as follows.

• Dobot Robotic arm: it is a 4-axis robotic arm designed for makers, artist, educators, and scientist. The arm can be controlled with the help of an APP by phone or PC via Bluetooth.

Dobot Robotic Arm

• Make arm: It is mostly used in 3D printers, laser cut and engrave, carve and mill, writes, and plots, PCB fabrication, assembly, picks & place, etc. It can be used as our “personal fabrication system “that can mount on your desktop.

Make arm robot

• Collaborative robot: they are manufactured in such a way that they follow some safety standard so that they cannot hurt the human.

Alex chen : [email protected]

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