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  1. Process Line Computer Marking and Tagging May 1, 2001 By John Robertson InfoSight Corporation

  2. Overview • Why is Marking and Tagging Important? • Why Use Computers? • Direct Marking Technologies • Tagging Techniques • Bar Code Basics • System Design (Codes and Networks) • Summary

  3. Why is Marking and Tagging Important? • Overall Process / Operational Efficiency • Cost Reductions • Quality Control • Inventory Management • Liability Issues • Customer Satisfaction ( Keep em!)

  4. The Ideal Setup

  5. Often --The Real World

  6. Why Use Computers? • Accuracy • Databases Provide Traceability • Real Time Networks now Enable Low Cost Data Flow To/From the Finishing Floor , Inventory , and Shipping

  7. Paint / Chalk(Hot and Cold) Ink Jet Stamps / Dot Peen Laser (with/without paint patch) Marking Directly on Coils maintenance small marks OK for Hot Coils expensive Other than Laser Direct Marking does NOT support Standard Automatic Identification

  8. Tags • High Contrast Black/White facilitates Bar Codes • Low Cost Systems • Variety of Attachment Techniques

  9. Hot Band with Resistance Welded Stainless Tag

  10. Slot for Band Wire On Holes Thermal Transfer Printed Metal Tags

  11. AIAG Label in Adhesive Pouch

  12. Recommended Label in Adhesive Pouch

  13. Example Process Line Tag With Data Identifiers

  14. Typical Tag

  15. DATA IDENTIFIER ORDER #

  16. DATA IDENTIFIER LPN #

  17. • Bar Code Basics

  18. There are several ways that the Bars , Dots and Spaces can encode information. Each way is called a SYMBOLOGY SYMBOLOGIES: 2 D Codes 1 D (Linear)Codes

  19. Typical Code 39 Tag

  20. GOOD BARCODES INCLUDE: • BLACK BARS • WHITE SPACES Print Contrast Signal • GOOD CONTRAST ( PCS) • PROPER RATIOS • CLEAR ZONES

  21. START SEQUENCE STOP SEQUENCE Q U I E T Q U I E T 1 000 1 0 111 0 111 0 1 1 000 1 0 111 0 111 0 1

  22. BAR CODE POINTERS “X” DIMENSION • USE LARGEST POSSIBLE “x” DIMENSION FOR THE AVAILABLE SPACE BETTER THAN • BAR CODE CALCULATORS AVAILABLE AT www.traceability.com

  23. BAR CODE POINTERS “X” DIMENSION • LARGER X MEANS LONGER READ DISTANCE .048”= “x” Reads at 12 to 15 ft. ( Long Range Reader) .012”= “x” Reads at 2 to 3 ft. • LARGER “x” WORKS BETTER DIRTY/ SCUFFED

  24. All of these symbologies encode the same decimal digits but look at the much finer (delicate) bars in Code 39 Code 39 Code 128C POINTER !! For all decimal digits , use 128 or I 2 of 5 (even # digits) I 2 of 5

  25. System Design Considerations • Use Piece Identification • Use License Plate Identifier (LPN) See White Paper www.traceability.com • Use Check Digits (for manual backup) • Mark / Read Auto Identification ---then Use Real Time Network

  26. Check Digits License Plate 1. Start by Marking Bar Coded LPN with Check Digit(s) on each coil Verify!

  27. 2. Create an LPN Indexed Database--- REAL TIME NETWORK LPN CK HT RCVD THK WT1 ANNEAL LAST 12345681 59 A12345 126@12:30 .0625 IPS7 12345682 63 A12345 126@12:33 .0825 20,200 P1@128@04:58 P28 12345683 67 123467 126@12:38 .0375 14,357 P3@128@05:10 P27

  28. 3. Create and Use a Network Scale S2 Mill Computer etc. LPN CK HT RCVD THK WT1 ANNEAL LAST 12345681 59 A12345 126@12:30 .0625 17,425 S2 12345682 63 A12345 126@12:33 .0825 20,200 P1@128@04:58 P28 12345683 67 123467 126@12:38 .0375 14,357 P3@128@05:10 P27

  29. Summary • Identify Coils Uniquely (LPN + Check) • Use Automatic Identification (Barcodes Big as Possible) •Create and Use a Networked Database with the coil LPN’s used as a index pointer •Update and USE the Database wherever possible (up to shipping)

  30. QUESTIONS? www.infosight.com