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SERVICE

Robotic Random Bin Picking

Motion Controls Robotics, Inc.

Robotic random bin picking is a process used for machine loading and/or separating parts from a bin for production purposes. This process is commonly seen in industries dealing with automotive stampings, molded plastics, or medical assemblies. When deciding on developing a robotic bin picking cell, the part to be picked has to be analyzed based on the shape, the materials it is made of, and the size. Then the cycle time for picking and placing these parts needs to be defined. Typically the rate for picking parts from a bin ranges from 6-15 parts per minute. Bins containing randomly placed parts can be large wire containers, a small to large plastic tote, or even a tray.

Bin Picking Sequence

Flexible end of arm tools and 3D vision systems are used to accommodate a variety of bin setups:

  • Dealing with part size, shape, and weight
  • Removing tier sheets that separate part layers
  • Dealing with tall bins that need to emptied
  • Discovering pick patterns for parts that are placed in a bin randomly
  • Quality controls on parts that do not match specifications
  • Accuracy of final part placement

Benefits

  • Easy to use
    • Can be used with a variety of part sizes, shapes, and materials
  • Increased throughput
    • Cycle time using bin picking ranges from 4-10 seconds per pick
    • System can warn when bin is getting close to being empty so it can be replaced in a timely manner
  • Reduce costs and improve safety
    • ROI for bin picking projects can be 6 months to 2 years, depending on cost of labor, number of shifts of operation, and ancillary operations that can be incorporated into the bin picking operation
    • Reduces later quality issues by identifying parts that do not meet specifications
    • Having robots reach into bins to remove heavy parts helps eliminate repetitive motion and reduces injuries to employees.
  • Flexible and precise
    • Vision locates bin placement and dimensions to avoid collisions
    • Multi-gripper can be used that combines vacuum, mechanical, and/or magnetic grippers based on part and other process needs
    • Offers more flexibility than hard automation part feeding systems like bowl feeders, as part designs change
    • Accurately orients part after pick for final placement
  • Programmable
    • Vision Guided Robotics using a 3DAS (3D Area Scanner) for a point cloud map of the parts in the bin improving picking through-put.
    • Uses vision scanning on the fly to reduce missed picks
    • A variety of qualified parts can be programmed to be picked using same robot


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