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Depalletizing

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Depalletizing


The first task in logistics work is the ongoing transfer of cases from the cage carts or pallets entering the center onto conveyors or other pallets. However, there are products as heavy as 20 kg to 30 kg, and it makes the task hard and monotonous work for laborers. MUJIN realizes automation through robotics, freeing people from such tough work.

Conventional methods - Problems


  • Work is tough and is hard on the back.
  • Tough labor
  • Work-break required for each job

MUJIN system - Solutions


  • Robots automatically depalletize from pallets or cage carts
  • The number of picks can be coordinated with WCS according to the number of orders
  • Depalletizing batch-picked cases for insertion into a sorter is also possible

Feature 1 MUJIN 3D Vision enables high-accuracy recognition of cases for multiple product types

Conventional methods - Problems


  • As handling the sizes of a wide variety of boxes is not possible, recognition accuracy over wide areas, such as on pallets is low.
  • Boundaries between boxes are difficult to judge.

MUJIN system - Solutions


Selectable depalletizing 3D recognition menu
  • A. Random box recognition with no registration
    (recognition accuracy
  • B. 3 dimensional registered box recognition
    (recognition accuracy★★
  • C. Box recognition with registration system
    (ultra-high accuracy★★★

Conventional methods - Problems


  • When the patterns on boxes are continuous, the gaps cannot be identified.
  • Multiple failed picks occur because the gaps are not identified.

MUJIN system - Solutions


  • Picking is no problem with MUJIN's new recognition algorithm.
  • Test quickly within 10 minutes of the arrival of a workpiece.
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Feature 2 Random stacking support

Conventional methods - Problems


  • Only single item type depalletizing is possible.
  • Depalletizing with random stacking is difficult.

MUJIN system - Solutions


  • Depalletizing is possible, no matter how the multiple products are stacked.
  • Also, when palletizing random products, they will be stacked using the optimum stacking method.
  • A detailed level of control is possible so, for example, speed can be controlled to suit a specific product, perhaps being limited for heavier products etc.

Feature 3 Both pallets and cage carts supported

Conventional methods - Problems


  • Without interference avoidance calculations, depalletizing from cage carts is extremely difficult.
  • It is not possible to respond when the product is tilted or when load collapses occur.

MUJIN system - Solutions


  • An interference avoidance function is installed, so it is possible to auto-calculate and depalletize, whatever obstacles may be present.
  • Even when products are tilted or load collapses have occurred, it is possible to pick and place according to the conditions.

Feature 4 “Teachless” high performance

With conventional teaching methods, performance would be faster or slower depending on the robot’s programmer, and the robot’s potential performance would not be exploited to the maximum. When connected to the MUJIN Controller, all the robot’s operations are generated without teaching, and the optimum route is calculated.

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Feature 5 Dedicated stacking simulator

The MUJIN Controller works in conjunction with WMS and WCS to perform optimum stacking simulations for each shipping patch, thereby enabling increases in stacking efficiency. Moreover, by performing detailed calculations, such as stacking heavy items on the bottom, more stable palletizing is achieved.

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System configuration

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