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Consolidated Product Work Instruction

Version: v1.0

1. Purpose

Provide an operator-friendly consolidated instruction covering key tasks across Lines 1–3 for glucose test strip production.

2. Scope

Frontline production operators cross-trained for multiple stations.

3. Quick Reference Overview

Station Key Action Critical Check Record
Line 1 Dispense 3 µL enzyme per cell Volume, bubbles Batch record
Line 1 Dry 50°C 30 min (Auto Enzyme Oven) Oven temp chart Batch record
Vision Scan defects + QR DB sync Vision DB
Line 2 Lamination Align L3 @120°C (pin positioning) Alignment ±0.1 mm Lam log
NG Punch Mark/remove mapped defects Marking accuracy Punch report
Row Cut 30 mm rows, segregate (Good/Partial/NG) Dimension Cutter log
Line 3 Slit 6mm strips (manual mode for partial rows) No damage Slitter counter
Vial Fill Strips slide into vials 25/50 pcs Count accuracy Batch record
Cap Press-type cap (top press) Secure seal Cap log
Weight Check Scale verification Count by weight Scale log
Transfer Interlock Pass-Through Chamber Complete Transfer log
Line 4 Label Date/code/variation Label accuracy Label log
Line 4 Box Insert vials + manual Complete Packing log
Line 4 Weigh Content check Weight in range Weight log
Line 4 Shrink 12-box brick Seal complete Shrink log

4. Shift Start Checklist

  • PPE worn (gloves, glasses, coat)
  • Equipment calibration labels valid
  • Enzyme solution lot released
  • Environmental logs within limits

5. Core Steps

  1. Retrieve released frames (L1/L2) & enzyme lot.
  2. Operate dispenser: confirm last 3 cycle volumes.
  3. Transfer to oven: verify target temperature stable (50°C).
  4. After drying, move to vision: ensure QR printed & data upload success.
  5. Lamination with L3: visually confirm pin positioning engaged.
  6. Monitor NG punching: cross-check first 5 coordinates (mark defects).
  7. Row cutting: verify first row dimension with gauge; segregate Good/Partial/NG rows.
  8. Slitting: watch first vial fill for correct orientation; use manual mode for partial-defect rows.
  9. Capping: verify press-cap secure after first 10 vials.
  10. Weight check: use scale to verify vial count.
  11. Transfer: pass through Interlock Chamber to Packing Room.
  12. Label: verify lot & date/code vs system.

6. Common Issues & Actions

Issue Symptom Action
Under-volume Light/Small droplet Recalibrate dispenser; hold frame
Bubble in enzyme Spot with void Clean nozzle; review humidity
Lamination shift Edge offset Check platform wear; realign pins
Missed NG punch Defect cell still present Pause line; resync DB; manual punch
Miscount in vial Weight out of range Use scale to verify; recount manually; segregate
High breakage Cracked strips Inspect blade; reduce tension
Loose cap Cap not secure Check press force; adjust machine

7. Acceptance Quick Table

Parameter Limit
Enzyme Volume 3.0 µL ±2%
Enzyme Dry 50°C 30 min
Alignment ±0.1 mm
Row Width 30.0 ±0.1 mm
Strip Width 6.0 ±0.1 mm
Vial Count Exact 25 or 50 (by weight)
Cap Seal Secure press-fit
Box Weight Within range

8. Documentation

Complete batch record sections immediately after each station—no end-of-shift backfill.

9. Safety

Keep hands away from hot press & slitter; lockout for blade changes; report any near-miss.

10. End-of-Shift

  • Clean surfaces (lint-free + IPA)
  • Return unused materials (FIFO)
  • Sign off batch record; handover notes for next shift

Revision History: v1.0 Initial release.