Care & Feeding of Machines Feeding parts –orientation –singulation Material obtained from: –Boothroyd, Automatic Assembly –Ken Goldberg, UCB Industrial.

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Presentation transcript:

Care & Feeding of Machines Feeding parts –orientation –singulation Material obtained from: –Boothroyd, Automatic Assembly –Ken Goldberg, UCB Industrial Engr Oper. Rsrch ( l) –Robert-Paul Berretty, PhD thesis, Utrecht ( )

Designing Parts for Feeding Symmetry Asymmetry Tangling Shingling Wedging

Symmetry

Asymmetry

Tangling

Shingling

Wedging

Designing for Insertion

Inserting Pegs in Round Holes

Screw Thread Mating

Simplifying the Design

Fastener Feeding Requirements Orientation –vibrating bowl –non-vibrating feeders (see Boothroyd - Assembly Automation) Singulation –escapement mechanisms –pick and place Vision and Robots Pre-collated components

Singulation

Variety of Feeding Methods

Gravity Feeders

Bowl Feeders

Design Factors –Part symmetry –Selector efficiency E=F o /F i –Recirculation effects

Bowl Feeders - Trap Design

Non-vibrating Feeders

Pick & Place

Pre-collated Components

Conveyors Orienting with pins or fences

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 orienting - 3D parts

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