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Browse through the selection of used industrial robotics in second-hand market and auctioneers which are available to bid and buy directly from sellers. Find the used robotics machinery from the manufacturers like PANASONIC, STAR AUTOMATION, WITTMANN, BOSCH and more from the wide selection on the above list.
Robots and their History
Industrial robots have begun to revolutionize the industry now. Robots do not look like or behave like human beings, but basically perform the tasks of humans. The word robot is a Czech term coined by Karel Capek which means “Forced labour”. A robot is defined as a reprogrammable multifunctional manipulator designed to move material, parts, tools or specialized devices through variable programmed motions for the performance of a variety of tasks by the Robotics Institute of America. In simple terms, industrial robotics are computer controlled advanced automation systems that combines the technology of digital computers with the servo control. They are provided with sensors which enable it to react and adapt to changing conditions. The first programmable industrial robot, UNIMATE was developed and patented by George Davol in the year 1954 for the company Unimation. Since then, several thousands of industrial robots were developed and exploited in industries.
Laws of Robotics
Isaac Asimov proposed three Laws of Robotics and later revised the same by the addition of the zeroth law
- Law 0: A robot may not injure humanity or through inaction, allow humanity to come to harm.
- Law 1: A robot may not injure a human being or through inaction, allow a human being to come to harm, unless this would violate the zeroth law of robotics.
- Law 2: A robot must obey orders given to it by human beings, except where such orders would conflict with the Zeroth or First law.
- Law 3: A robot must protect its own existence as long as such protection does not conflict with a higher order law.
Parts of an industrial robotics
Even the most complex robotic material handling systems can be broken down into a few essential components namely,
- Controller - The controller is the one which coordinates all the movements of the mechanical system by receiving inputs from the immediate environment through various sensors. A microprocessor linked to input/output and monitoring devices is the major part of the controller. The controller has three levels of hierarchical control starting from the elementary actuator control, path control and finally the main control. Each level sends control signals to the level below and feedback signals to the level above.
- Manipulator – The manipulator is functionally the arm of the robot which must move materials, parts, tools or special devices through various motions to provide useful work. Manipulator consists of segments and joints that move about, allowing the robot to do work. Joints connect two segments together and allow them to move relative to one another. The joints provide two kinds of motions: linear (straight line) or rotary (circular) movement.
- End effector - The end effector is the robot’s hand, or the end-of-arm tooling on the robot. It is the device attached to the wrist of the manipulator for the purpose of grasping, lifting, transporting, maneuvering, or performing operations. It is one of the important parts of a robotic machine as it directly determines the robot’s performance. Work envelope is defined as the area within which the end effector can reach.
- Power supply - The power supply delivers the energy to drive the controller and actuators. The three basic types of power supplies are electrical, hydraulic and pneumatic among which electricity is the most preferred source of energy. These primary sources of energy must be transformed into the form and amount required by the type of material handling robot being used.
- Programming device - The means for programming is used to record movements into the robot’s memory. The teach pendant, also called a teach box or handheld programmer teaches a robot the movements required to perform a useful task.
Classification of Robotics
Robots can be classified in various ways, depending on their components, configuration, and use. Robot machines are commonly classified based on three types:
- Types of control system – Non Servo and Servo
- Type of actuator drive – Electrical actuator, Hydraulic actuator and Pneumatic actuator
- Shape of the work envelope – Cartesian configuration, Cylindrical configuration, Spherical configuration and Special configuration.
Non-servo robots are the simplest robotic machines and are often referred to aslimited sequence, pick-and-place or fixed-stop robots. The non-servo robot is an open loop system while servo robot is a closed loop system. In an open-loop system, no feedback mechanism is used to compareprogrammed positions to actual positions whereas a closed loop system permits feedback.
Robots and their Application
Small robots for sale are predominantly used in a variety of industrial applications which involves intricate and strenuous work by humans. The application of handling robots in the manufacturing field can be divided into three categories: Material handling, Processing operations, Assembly and Inspection. The most important application of robot material handling involves loading/unloading of work parts and transfer of material from one location to another. Spot welding, spraying, continuous arc welding and painting are some of the processing operations in which material handling robots are exploited to their fullest capability. A few other examples of the tasks performed by a handling robot in an industry are: running nuts, heat treating, sorting, parts handling, cleaning, profiling, blasting, tool changing and measurement.
Used Robotics Machines
The type of used robotic equipment you want to purchase will be dependent on the purpose and the production environment that it is to be added to. While these used industrial robots are flexible to some degree, these robots industrial are parameters that need to be considered. Whether it's material handling robots or welding machines, there are used industrial robots out there for you. There are many large and small robots for sale on the market, so no matter what your purpose, you will find the right used robotics for sale.
KUKA ROBOTER, FANUC, BOSCH, TM ROBOTICS, EPSON FACTORY AUTOMATION, PANASONIC, MITSUBISHI, STÄUBLI ROBOTICS, COMAU ROBOTICS, FRONIUS, STAR AUTOMATION and WITTMANN are some of the renowned manufacturing robots companies in the world. All of these brands names can be found when looking for used robots for sale. There is a huge market for industrial robots for sale, so there will be plenty of choices. Assess what robotic machine will make a difference to your business.