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Application of Computer Integrated Manufacturing in Hard Disc Drive Industry

Application of Computer Integrated Manufacturing in Hard Disc Drive Industry. 5. Agenda Background About Seagate Technology, LLC Components of a Disc Drive CIM Applications Quality Function Deployment (QFD) Design For Manufacturing (DFM) Automated Disc Drive Assembly Process

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Application of Computer Integrated Manufacturing in Hard Disc Drive Industry

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  1. Application of Computer Integrated Manufacturing in Hard Disc Drive Industry 5 • Agenda • Background • About Seagate Technology, LLC • Components of a Disc Drive • CIM Applications • Quality Function Deployment (QFD) • Design For Manufacturing (DFM) • Automated Disc Drive Assembly Process • Automated Storage and Retrieval System • Summary • Questions and Answers 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  2. Background - About Seagate Technology, LLC 1 • Seagate is the world’s largest • manufacturer of disc drives, • magnetic discs and read-write heads • and a leading developer of Business • Intelligence software. • High Volume - Low Variety Industry • 1400-4300 units per line daily • 4-10 units per ft2 capacity • 6-11 people per line • 97 % yield • 88 - 92 % line uptime 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  3. 1. Basedeck 3. Head Disc Assembly 4. Motor (hidden under HDA) 2. Head Stack Assembly 5. Voice Coil Motor Background - Components of a Disc Drive 6 6. Top cover (not pictured) 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  4. CIM Applications - Quality Function Deployment (QFD) 2 • The QFD is used in the design phase to weight where design engineering effort should be focused 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  5. CIM Applications - Design For Manufacturing (DFM) 3 • DFM APPLIED TO COMPONENTS • EXPERT SYSTEMS • Common Head Stack Assembly • Common Disc Clamp Method • Common tooling points • Common Label placement • WRITTEN GUIDES • Example Head Stack Assembly • “Tolerance ring design minimum clearance between OD of bearing cartridge and Eblock bore ID to be .0035”. • Example Motor • “Bearing cartridge shaft and housing should be stainless steel” 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  6. PCBA INSTALL SUB ASSEMBLE DRIVE ASSEMBLE DRIVE TEST FINAL PACK Our focus Disk Drive Assemble DRIVE ASSEMBLE Breather Filter Install Motor Install Lower Magnet Install Media Stack Spacer Install Manual LOAD Flex Screw Install Balance Correct Balance Measure Clamp Install Disk Bias Head Stack Install Drive Unload to Test Merge Upper Magnet Install Top Cover Install CIM Applications - Automated Disc Drive Assembly Process 3 • Macro View Disk Drive Assembly 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  7. Media Stack Spacer Install Video Example from Media Stack to Balance correct Balance Correct Balance Measure Clamp Install Disk Bias CIM Applications - Automated Disc Drive Assembly Process 3 • Use of Robotics and Conveyors • Robots custom built from scratch 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  8. CIM Applications - Automated Disc Drive Assembly Process 2 • Use of Robotics and Conveyors • Video Example from Top Cover Install and Screw Top Cover Install 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  9. CIM Applications - Automated Disc Drive Assembly Process 2 • Use of Barcoding • Placed on pallet and read by each station • Product configuration • Product attributes (HGA #, HSA #) • Times and quantities • Station material replinishment • Lot traceability 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  10. Business Business Server 2 Server 1 Server Server Ethernet Host Host Line 1 Line 2 Hub 1 Hub 2 Line 2 Line 1 1 LOAD 1 LOAD CIM Applications - Automated Disc Drive Assembly Process 2 • Use of Computer Integration • Host computer controls each station • Product Configurations • Business Data(times, quantities) • Lot Traceability • Station Sensors • (conveyor, robots) • Station Bin • Replinishment 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  11. CIM Applications - Automated Storage and Retrieval System 3 • ASRS in Finished Goods (new products) • Single Command Cycle 18 aisle, 7 stories • Receiving first floor • Product lines on above floors • Product lines use for finished goods • Labor cost reduction • Minimize Drive Shock from handling • Minimize electrostatic discharge • Control inventory for multiple customers 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  12. CIM Applications - Automated Storage and Retrieval System 3 • Horizontal Carousel in Finished Goods (repair products) • Store repaired drives • Most frequently used close at hand • Packaging • Display • with quantity • and • location • lights 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  13. Summary 4 • CIM Applications in Disc Drive Industry • Span product life cycle • Some are non technical • QFD • DFM Guidelines • “Expert” systems to written documents • Some are technically complex • Automation (Robots, conveyors, etc.) • Computer Integration • ASRS 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

  14. Questions and Answers ? 2000 Dennis McInerney with permission from John W. Nazemetz December 6, 2000

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