Care feeding of machines
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Care & Feeding of Machines. Feeding parts vibratory feed bowls conveyors pick & place Material obtained from: Boothroyd, Automatic Assembly Ken Goldberg, UCB Industrial Engr Oper. Rsrch (http://www.ieor.berkeley.edu/~goldberg/index.html)

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Care & Feeding of Machines

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Care & Feeding of Machines

  • Feeding parts

    • vibratory feed bowls

    • conveyors

    • pick & place

  • Material obtained from:

    • Boothroyd, Automatic Assembly

    • Ken Goldberg, UCB Industrial Engr Oper. Rsrch (http://www.ieor.berkeley.edu/~goldberg/index.html)

    • Robert-Paul Berretty, PhD thesis, Utrecht (http://www.library.uu.nl/digiarchief/dip/diss/1940512/full.pdf)


Designing Parts for Feeding

  • Symmetry

  • Asymmetry

  • Tangling

  • Shingling

  • Wedging


Symmetry


Asymmetry


Tangling


Shingling


Wedging


Designing for Insertion


Simplifying the Design


Fastener Feeding Requirements

  • Orientation

    • vibrating bowl

    • non-vibrating feeders

      • (see Boothroyd - Assembly Automation)

  • Singulation

    • escapement mechanisms

    • pick and place

  • Pre-collated components


Singulation


Singulation


Singulation


Singulation


Gravity Feeders


Bowl Feeders


Bowl Feeders


Bowl Feeders


Bowl Feeders


Bowl Feeders


Bowl Feeders

  • Design Factors

    • Part symmetry

    • Selector efficiency E=Fo/Fi

    • Recirculation effects


Bowl Feeders - Trap Design


Bowl Feeders - Trap Design


Non-vibrating Feeders


Non-vibrating Feeders


Pick & Place


Pick & Place


Pre-collated Components


Conveyors

  • Orienting with pins or fences


Conveyor part orientation - pins


Conveyor part orientation - pins


Conveyor part orientation - pins


Conveyor part orientation - fences

  • Any polygonal part can be oriented up to symmetry by a fence design


Conveyor part orientation - fences


Conveyor part orientation - fences


Conveyor part orienting - 3D parts


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