Title of article
Constructionofcomponenttapesforradialplacementmachines
Author/Authors
Csaba Raduly-Baka، نويسنده , , TimoKnuutila، نويسنده , , MikaJohnsson c، نويسنده , , OlliS.Nevalainen ، نويسنده ,
Issue Information
ماهنامه با شماره پیاپی سال 2010
Pages
12
From page
1488
To page
1499
Abstract
With agreatvariationofproducts,PCBassemblingmachinesmustbereconfiguredoften,butatthe
same timetheefficiencyoftheassemblyprocessshouldbekepthigh.InthispaperweconsiderPCB
assemblymachinesofthe radial type, whichareusedformanufacturingrobustelectronicsdevices.In
this machinetypethecomponentsarebroughttotheassemblypointbythemeansofasingle
componenttape,andaroboticarmplacesthemontoabarePCBoneatatime.Thecomponenttapeis
constructedon-linebyaseparatefeederunit(sequencer)composedofasetofslotsstoringcomponent
reels ofvarioustypes.Whiletheinsertionofcomponentstothetapedoesnotnormallydelaytheir
placementsonthePCB,certain(broad)componentsdelaytheprocessingduetotheoperationprinciple
of thesequencer,thusincreasingthemanufacturingtime.Westudytheproblemofassigning
componentstothesequencerinsuchawaythattapeconstructiondelayisminimized,giveaninteger
programmingformulationoftheproblem,andpresentanoptimizationalgorithmtoreducethe
componentinsertiontimecausedbyslowcomponents.Theresultsofthisoptimizationalgorithmshow
considerableimprovementagainstasimplefeederassignment,incaseoftapeinstancescontaining
repeatingsequencesofcomponents.
Keywords
Printed circuit boards , Optimization , Flexible manufacturing , Heuristics , Combinatorial optimization
Journal title
Computers and Operations Research
Serial Year
2010
Journal title
Computers and Operations Research
Record number
927758
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