Page 7 - Autumn 2024
P. 7

Industry News


                                                                a longer working envelope, can grab it for further
                                                                processing.

                                                                This Kuka robot moves the part in front of a
                                                                second image processing system where a
                                                                camera captures images of the applied glue.
                                                                These are then analysed to ensure that the glue
                                                                is evenly distributed and that it is in a precise
          items to be handled, mark gripping points and
                                                                pattern as specified by Thales engineers.
 FURTHER   send the information to the vision system which      The OSR is then aligned precisely with the robot
          then instructs a robot as to which items to pick
          up. Precision feeding ensures consistent and          arm as a first step to placing it in the correct
 DEVELOPMENTS    accurate placement of parts while high-speed   location on the satellite panel. A third high-
          operation improves throughput and reduces             resolution camera now takes images of the OSR,
 IN ROBOTICS  cycle times.                                      which is aligned using algorithms that determine
                                                                a 3D transformation between the coordinates of
          The robots are Scarva robots from Shibaura
                                                                the OSR corners and the coordinate system of the
          Machines’ THE Series and the system has
                                                                vacuum gripper that is holding the OSR.
          magnetic removable shells and sides to simplify
          cleaning and maintenance.
          The system is said to ‘represent the next step in
          industrial parts feeding’.

          Reference: Drives and Controls, July/August 2024, p.22.
 First UK Robotics and    robotic companies employing 8,500 people with
 Autonomous Systems Cluster  a combined turnover of 2.4 million euros and a
 pipeline of start-ups and skilled personnel which
 The Manufacturing Technology Centre (MTC)   Robotic Cell protects Satellites
 is feeding the robotics sector.
 and the University of Birmingham have    from Solar Radiation
 together established Britain’s first robotics    Chief Automation Officer for the Manufacturing   A French robotics company has developed
 and autonomous systems (RAS) ‘cluster’ in    Technology Centre, Professor Mike Wilson, states:  a robotic cell that places thousands of tiny
 the West Midlands with the objective of   reflectors with an accuracy of 0.2mm onto large
 “ Creating the first UK Robotics and Autonomous
 connecting relevant parties such as suppliers,   panels that are used to protect satellites from
 Systems regional cluster will strengthen the
 integrators, users, universities and local   solar radiation.
 presence of crucial technology and support
 authorities with the region’s two High Value
 growth potential.
 Manufacturing Catapult Centres to improve    Akeoplus has developed the system for
 the uptake of RAS by British industry.  The work we are doing with the University of   aerospace manufacturer Thales Alenia Space to
 Birmingham will attract other related businesses   automate the placement and bonding of optical
 The concept follows benchmarking around the   as well as universities to engage and enthuse   solar reflectors onto protective panels measuring
 Danish city of Odense, which has helped to turn   younger generations, supporting the deployment   up to 5m x 3m. These act as outer walls fitted with
 Denmark into one of the world’s leading nations   of RAS and raising the UK’s global rankings in    up to 7,000 reflectors, each measuring around   The corners of the OSR are determined by
 for robot adoption. Denmark is now ranked   robot use.”  40mm x 40mm.  the intersection of its edges and from this a
                                                                coordinate system can be defined where the
 twelfth in the world for robot density, as against   Previously the optical solar reflectors (OSRs) were
 Reference: ‘West Midlands Robotics “Cluster” could drive UK    corner of the OSR is centred and aligned with
 the UK at 25th. Denmark currently has over 300   mounted by hand by two or more people lying
 Automation Boom’, Drives and Controls, July/August 2024, p.13.  its edges. The coordinate system of the robot
          on mats using glue. Now, two robots are used, the
                                                                effector is determined by hand-eye calibration of
          first a small one that takes an OSR from a tray and
 Robotic System overcomes    places it onto a vacuum backlight under a camera   the robot.
 Parts-feeding Challenges  which takes a picture. This is then inspected by   As the 2.4 metre-long robot arm is not 100 per
          MVTec’s Halcon machine vision software for breaks     cent accurate, Akeoplus has developed an
 Two Italian companies have devised a robotic
          and scratches. A ‘shape matching’ technique           iterative servoing process that allows the robot to
 parts-feeding system to address the common
          is then used to determine the exact position          mount the OSR precisely on the 18 square metre
 challenges of feeding and sorting. The Infinifeed
          of the OSR and checks that its size and shape         panel.
 system, designed by Doma Automation and
          corresponds to the model in the design plan.
 integrated by Tera Automation, uses machine
 vision to manage the feeding process,   It is important to determine the position of every   The Cycle time for gluing and positioning of the
 eliminating the need for multiple feeders for   reflector accurately because the robot grips   OSRs is now under 45 seconds and a large panel
 different components or complex programming   each one slightly differently. It is moved to the   can now be covered with solar reflectors in five
 for the handling of diverse shapes.  next production step with an accuracy of around   days by one employee instead of seven days by
                                                                two employees.
          0.2mm. If the component is fine then it is placed
 Operation is based on a pair of parallel belt
          under a glue dispensing nozzle. Once the glue
 conveyors that move in opposite directions with                [ Reference: ‘Reflecting the Challenges of protecting Satellites’, Drives
          has been applied the robot picks up the OSR           and Controls, July/August 2024, p.34 ]
 items moving from one belt to the other under
          again and places it where the second robot, with
 the influence of gravity. Users capture images of
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