Here&#;s a brief introduction to common types of robots and what they do:
For repetitive, highly precise needs such as assembly lines, linear robots usually complete one piece of the puzzle over and over as products enter their area.
Linear robots have a small number of axes that move back and forth in a straight line along one plane of movement, like the human knee or elbow. When these are coupled with another joint (like the wrist or shoulder), they can complete a simple movement through several axes. With no rotating axes, linear robots are most suited to automated tasks.
Selective compliance assembly robot arm (or SCARA) has a parallel axis joint layout, which means the arm is slightly compliant in the x-axis and y-axis but rigid in the z-axis (hence &#;selective&#;). SCARA&#;s two-link layout mimics the articulation of the human arm, which gives it the unique ability to do its work and then retract or fold out of the way.
Think of a robot arm that tightens a hard-to reach screw; arranges objects into a large stack in a warehouse; or drifts around a shipwreck, carefully opening apertures or picking up objects for the camera.
A step beyond SCARA, articulated robots have multiple joints and planes of motion. At the simpler end, an articulated robot arm might have two joints between three rigid lengths, allowing movement in any direction. SCARA can also include spherical robots, usually with one linear joint and two rotary joints, giving them a spherical work envelope.
At the other extreme, the popular image of humanlike robots is a classic example because they need multiple articulated joints of every conceivable style (pivot, hinge, ball and socket, et cetera) to move and behave like people.
But until the age of humanoid robot helpers arrives, articulated robots are useful for welding, material processing, assembling, picking and placing, packing, and countless other applications.
Cylindrical robots stand on a rotating base or pedestal with an arm attachment moving both up and down the body and extending in and out, often called a &#;prismatic&#; junction.
Think of the machine at the airport that shrink-wraps your luggage: Its arm attachment applies the clinging plastic as it moves up and down the main body, making sure your case is completely covered. In a factory, a cylindrical robot might pick something from one conveyor or station, lift it and rotate it to lower it into another.
Something of a rarity in industrial robotics, the delta robot is positioned over the top of the work area and named for the Greek letter it resembles: an upside-down triangle.
The power and driver unit sports three arms, often far more delicate than larger, heavier industrial robots in the common imagination. It drives them with precision and speed (due to their lighter mass). The effector is able to work in light and repetitive applications like pharmaceuticals, food, cosmetics, or retail packaging.
Because robots are often heavy industrial machines, they are traditionally kept separate from human operators because of safety risks.
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But this is the beginning of a new era of human-robot collaboration. Better body design, lightweight or softer materials, and improved sensor technology mean robots are safer to have around. Not only that, smart algorithms can train a robot to work directly with a human, executing tasks in response to those performed by its human collaborator.
The cobot contingent is the fastest growing sector of the industrial automation movement. According to the Robotic Industries Association (RIA), industrial cobots are expected to make up over a third of industrial robot sales over the next five years. Cobots are designed to allow humans and robots to work together, taking advantage of the unique skills and benefits of both. These are the top 5 reasons why your company should consider working with cobots.
Robots and autonomous machines pose safety hazards for humans who enter their operational zone. These operational zones take up large areas and pose other logistical concerns. Cobots are designed to work side-by-side with human operators, removing the safety concerns associated with traditional robotic units. Cobots utilize specialized sensing technology that allows them to work collaboratively with human operators. The elimination of a safety zone drastically lowers the footprint of the machines while simultaneously making the factory floor safer. When cycle time isn&#;t an issue, cobots offer unbeatable advantages over traditional robotic units.
Cobots are easy to assemble, easy to program, and easy to integrate into the assembly flow. Within a matter of hours, a cobot can be set up and programmed for its first task. Cobots are also compact, easy to manipulate, and relatively lightweight. Compared to traditional robotic units, cobots are incomparably simple.
Robots offer agility, strength, flexibility, and the ability to work at odd angles without sacrificing performance. Humans possess superior judgment, adaptability, and problem-solving skills. Working alongside humans, cobots enhance the operator&#;s efficiency by working with them to perform complex tasks. Not only can a cobot help a single operator at a single station, but they can easily be moved to different parts of the factory to facilitate multiple aspects of the assembly process.
Cobots are easy to install, easy to program, and easy to operate. This means that small businesses can incorporate them into their automation process without having to hire a professional robotic programmer. They are efficient, easy for operators to control, and designed to work intuitively with logical controls. Companies can save on the cost of new hires, training, and other operational considerations by opting to integrate cobots vs. traditional robotic units. When working with a DIY-Robotics cell, you get a complete solution and free support; this takes the worry and demand of you and your team.
Cobots can handle big jobs that are too large for a single human alone. These jobs may include pick and place operations, pallet handling, and material sorting. They can do these operations faster, easier, and with less stress and strain on the operator. By removing the physical strain from the factory workers, more work can get done with greater accuracy, less downtime, and a decreased risk of injury.
At DIY Robotics, we offer you the opportunity to build your own robotic cell based on your specific needs. For more information on how we can help your business, read our e-book by clicking the link below. You will find everything you need to know before building your DIY Robotic cell.
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