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Gearing up for Volume Manufacturing

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Gearing up for Volume Manufacturing

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The journey of a design from engineering sign-off all the way to customer shipment takes many months of hard work and the smallest of hiccups could translate to severe delays. With many actors involved, how does it all work? What is involved in designing and shipping a consumer product with high volume manufacturing in mind?

This talk will give the audience a behind the scenes look at what it takes to ship electronics products at scale, particularly focusing on the approach, dialogue and the processes required to run a successful manufacturing project.

The journey of a design from engineering sign-off all the way to customer shipment takes many months of hard work and the smallest of hiccups could translate to severe delays. With many actors involved, how does it all work? What is involved in designing and shipping a consumer product with high volume manufacturing in mind?

This talk will give the audience a behind the scenes look at what it takes to ship electronics products at scale, particularly focusing on the approach, dialogue and the processes required to run a successful manufacturing project.

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Gearing up for Volume Manufacturing

  1. 1. Gearing up for Volume Manufacturing Tales from China Omer Kilic OSHCamp 2019
  2. 2. omer.kilic.name @OmerK
  3. 3. https://www.youtube.com/watch?v=joeqB7QBRC8
  4. 4. Agenda • Data Management: BOM and Revision Control, Change Management • Manufacturing Timeline: Terminology, Stages and Checkpoints • Part Sourcing: Terminology, Lead Time Nightmares, Alternative Sourcing • The Line: SOP, Automation, Testing, QA, Security • Q & A
  5. 5. Starting Point https://blog.bolt.io/ideation/
  6. 6. Data Management
  7. 7. PLM / PDM Product Lifecycle Management / Product Data Management System(s) used to keep track of and manage: • Requirements and Documentation • Regulatory and Compliance • Bill of Materials (BOM) • Product Data • Change and Configurations • Quality • Suppliers
  8. 8. https://www.ifixit.com/Teardown/Amazon+Echo+Dot+Teardown/61304
  9. 9. • 90-00123 Finished Good • 81-00234 Packaging, outer box • 82-00345 Printed paper manual • 80-00456 USB power adapter Product Assembly • 20-00567 Plastic case • 31-00678 PCBA • 30-00789 PCB • <ICs, resistors, caps, …> • 83-00891 USB cable • 80-00912 Product Assembly • 20-000123 Outer plastic case • 70-000234 Bottom sub-assembly • 17-00345 Cast metal weight • 50-001631 Speaker • 31-00456 Bottom PCBA • 30-001678 Bottom PCB • <ICs, resistors, caps, …> • 70-000567 Top sub-assembly • 20-000678 Encoder wheel • 20-000789 Encoder ring • 70-000891 Top moulding sub-assembly • 20-00987 Button 1 • 20-00876 Button2 • 15-00765 Rubber bottom pad • 26-00654 Torx Screws • 29-00543 Glue pad ** made up part numbers used here 
  10. 10. • 90-00123-R4 Finished Good • 81-00234-R3 Packaging, outer box • 82-00345-R9 Printed paper manual • 80-00456-R2 USB power adapter Product Assembly • 20-00567-R3 Plastic case • 31-00678-R8 PCBA • 30-00789-R2 PCB • <ICs, resistors, caps, …> • 83-00891-R3 USB cable • 80-00912-R9 Product Assembly • 20-000123-R4 Outer plastic case • 70-000234-R2 Bottom sub-assembly • 17-00345-R3 Cast metal weight • 50-001631-R2 Speaker • 31-00456-R12 Bottom PCBA • 30-001678-R12 Bottom PCB • <ICs, resistors, caps, …> • 70-000567-R5 Top sub-assembly • 20-000678-R7 Encoder wheel • 20-000789-R3 Encoder ring • 70-000891-R4 Top moulding sub-assembly • 20-00987-R4 Button 1 • 20-00876-R4 Button2 • 15-00765-R3 Rubber bottom pad • 26-00654-R2 Torx Screws • 29-00543-R5 Glue pad ** made up part numbers used here 
  11. 11. ECO / ECN Engineering Change Order / Engineering Change Notice • Standardised mechanism to issue changes to designs and processes • Provides a record of all changes during the lifecycle of a product • ECO records can be mandatory as per regulatory approval rules • Gets more costly as design moves through product lifecycle
  12. 12. Component Lifecycle
  13. 13. Manufacturing Timeline
  14. 14. Manufacturing Timeline Proto EVT DVT PVT (Ramp) MP
  15. 15. EVT, DVT/EP, PVT/PP, MP/VP Engineering Validation Test / Engineering Pilot Design Validation Test Production Validation Test / Production Pilot Mass Production / Volume Production https://www.instrumental.com/blog/2016/11/14/hardware-engineers-speak-in-code-evt-dvt-pvt-decoded
  16. 16. Manufacturing Timeline • Skipping phases risky given costs associated with mistakes • Non-recurring Engineering (NRE) fees: Tooling for plastics and PCB, stencils for PCBA, … • Overrun and scrap material costs • Dependencies can easily become a nightmare if not planned for accordingly • Auxiliary activities may depend on completion of a particular phase • Inter-phase dependencies and “line availability” needs firm commitments • Procurement/Sourcing and quantities mismatch will hold up manufacturing • Lead times differ for plastics, PCBs, components, printed materials… • …No “Prime” delivery option available, in most cases 
  17. 17. 深圳速度 Shēnzhèn sùdù
  18. 18. Procurement/Sourcing
  19. 19. MOQ, SPQ, L/T, U/P Minimum Order Quantity Standard Packaging Quantity Lead Time Unit Price • At volume quantities, you shouldn’t rely purely on Western distributors • Shipping parts to China will almost always create Customs and Tax problems • Lead times can be surprising and become major headaches • Local knowledge/expertise critical
  20. 20. The Manufacturing Line
  21. 21. Station 1 Station 2 Station N Parts Equipment SOP Parts Equipment SOP Parts Equipment SOP
  22. 22. SOP Standard Operating Procedure • Well defined set of instructions per station, for operator to follow • No error margin for ambiguity! • Probably best reviewed/prepared by the manufacturer
  23. 23. ATE & DUT / UUT / EUT Automated Test Equipment (Device / Unit / Equipment) Under Test • Specialised set of tools, hardware, software to automate the process of testing devices being manufactured • Performs electrical checks, RF testing/tuning/calibration, firmware burning, security certificate provision… • Speed and parallel execution important factors for cost
  24. 24. Line Tracking/Monitoring RFID/NFC Tag QR Code / 2D Barcode
  25. 25. MES Manufacturing Execution System • Used by the manufacturing partner to keep track of a manufacturing order • Parts, line/worker allocations, build scheduling, … • Tracks serial numbers, fault/rework reports, line rate, … • Can be used to keep record of critical part lot codes, silicon revision, … • Advanced systems allow integration with customer internal processes
  26. 26. Thanks, any questions? Ping me @OmerK

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