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A gantry robot is made up of of a manipulator ascended onto a high-up system that allows motion across a horizontal surface. CCM belt driven linear actuators are broadly used in gantry system from electronic manufacturing and electronic assembly to industrial automation and vision systems. Gantry Robot is an automatic industrial system that can also be looked upon as a Cartesian Robot or a Linear Robot.
They are usually sizeable systems built with collinear guide rail that execute place and pick applications, but they can also be utilized in welding and other applications. Gantry robots have expanded in popularity since they can prevail over many of the restrictions of other robot types. They operate in three axes, Z, Y, and X and may be equipped with a theta axis to support end-of-arm tooling as well. They feature a cubic or rectangular work covering owing to their rail system that allows these robots to envelop a bigger area of space. Gantry robots are optimal for place and pick and unloading and part loading applications; still, they can be managed to do other things. These include material handling, packaging, cutting, dispensing, and assembly. Applications with very little part direction requirements or with work-pieces that are presented in advance are best suited for automation with gantry robots. The FANUC M-20ia and FANUC M-710ic/70 are two of the most ordinary gantry robot models used in manufacturing.
Cartesian robots and gantry robots are approximating to each other with the principal difference being that gantry robot systems highlight two X axes instead of a single X axis like Cartesian robots. This extra X axis allows for larger load capacities and is why they are normally stationed for automatic place and pick support. The supplementary X-axis also allows for extended stroke lengths and faster operating speeds. Both X axes operate parallel to each other; however, only one-axis is powered by a motor to avert binding. And a torque tube may be utilized to transmit the driving power of one axis to the other or the second axis may be utterly idle and rather than act as a steer to uphold the workload. Deciding how to operate the second axis chiefly relies on the layout of the gantry system and the operation speed. Powering only one X-axis simplifies the system and keeps costs down.
A commonly seen allocation of a gantry robot is to add a fourth rotational axis, “U”, to the foundation of the Z beam. This axis revolves the end of arm tool so as to make sure the tool stays parallel with the floor. Options exist to revolve the tool in a vertical fashion instead of horizontal. Gantry Robots exert mechanical drives and myriad way systems. Way systems include wheel & track, profile rail, and wheel & beam. Drive methods include belt, wire rope, tractor, chain, and closed loop friction.
The diversified functions of gantry robots make them extremely coveted to manufacturers. Purchasing one gantry robot is also a very cost-effective automatic option. While gantry robots are usually mounted high up, they may also be installed to operate underneath work-pieces, making them superior to those needing to work beneath parts. This is just one of the many advantages of gantry robots. Furthermore, most gantry robot systems are quite enormous, but they can also be suitable for smaller, desktop size machines. Gantry robots are very helpful in both robotic assembly and welding automation. They allow for higher payload volumes for their size and are easily adjustable. The six-axis Moto-man HP20 can easily be converted or upgraded with little reconfiguration, making it perfect for those with frequently fluctuating product lines. Additionally, they can be easily altered to match with special work environment conditions such as hazards or noise control. A FANUC M-710ic can deal with dirty or damp work places with the right components and configuration.
Gantry robots are mistakenly thought of as Smart Cranes since they resemble industrial overhead cranes in rare cases. Gantry robots are not defined as cranes but they do share core concepts and visual similarities. Cranes usually have unsupported z-axis cable or wire rope systems while gantry robots offer a stiff mechanical z-axis solution with little deviation and high repeatability. Overhead cranes are physically operated so the term “smart” applies to gantry robots being completely autonomous without the need for operator step in. Gantry robots operate separately of human beings in their work-cell and provide accuracy and precision which overhead cranes cannot manage in being autonomous. Gantry robot systems also provide the superiority of better positioning accuracy and large work areas. Position accuracy is the ability of the robot to put a piece precisely.
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