The formation of PCBA families and the optimization of station loading for sequencers

A SEQUENCER is a machine which arranges different axial leaded components from various input reel packages into a single reel package of sequenced components. The various input reel packages are mounted onto the loading stations of a sequencer. As each sequencer has a limited number of component loa...

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Bibliographic Details
Main Author: Tan, Hang Seong.
Other Authors: Niew, Bock Cheng
Format: Theses and Dissertations
Language:English
Published: 2009
Subjects:
Online Access:http://hdl.handle.net/10356/20549
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Institution: Nanyang Technological University
Language: English
Description
Summary:A SEQUENCER is a machine which arranges different axial leaded components from various input reel packages into a single reel package of sequenced components. The various input reel packages are mounted onto the loading stations of a sequencer. As each sequencer has a limited number of component loading stations, change-over time is incurred whenever a PCBA to be produced requires a component that is not already mounted on any of its loading stations. These change-over time incurred is proven to be large when the sequencer is to cater for a high diversity of PCBAs, especially in the current low volume but high diversity batch production environment.