Upgraded MELFA F-Series robots are now food safe

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Upgraded MELFA F-Series robots are now food safeMELFA F-Series robots from Mitsubishi Electric are designed to be flexible, fast, functional, and food safe: they are now sealed to IP67, use food-safe HG1 grease and, for applications in the pharmaceutical and medical sectors, a cleanroom version meeting ISO 3 is available.

Based on a new mechanical design, the MELFA F-Series robots are flexible and able to reach a large working area. They can even reach round and behind their own base. The compact design allows the robot to work in confined spaces and can be floor, wall or ceiling mounted.

The robots incorporate Mitsubishi Electric servo motors developed especially for the F-Series, a powerful new controller and other high-performance components. They are thus able to maintain fast cycle times and high positioning accuracy, for improved productivity. The cycle time for a 12-inch movement is 0.29 seconds.

Mitsubishi’s MELFA F-Series robots come with their cabling fully enclosed right to the end of spindle for total protection and safety. The cabling includes pneumatic tubing and I/O for hand control, as well as CAT5 Ethernet cabling allowing for easy installation of vision systems or other Ethernet devices, such as sensors, cameras, and additional axis controllers.

When it comes to integration the F-Series controllers can be used as standalone devices or embedded into the powerful Mitsubishi Electric iQ PLC rack. Supporting up to three robots on one rack allows the system to share data, thus enabling features such as automatic collision avoidance and cooperative control. Collision avoidance which is used when the robots are operating within the same workspace, preventing the risk of damage. The cooperative function gives manipulation of the same workspace, which is suitable for joining two parts together or lifting elongated parts.

The F-Series robots can also support up to eight additional servo axes. This gives them useful additional abilities. For instance they can be mounted onto a linear slide so that one robot can tender two or more work stations.

Commissioning is via a standard PC and is quick and easy using the RT ToolBox2 software supplied with the F-Series. This programming software’s graphical interface displays imported 3D CAD files, program variables and robot simulations in a clear easy-to-read format. Extended service intervals also support the continuous shift operations and ensure a particularly long product life cycle.

To find out more about MELFA F-Series robots from Mitsubishi Electric, please go to

04 April 2013

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