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Cap Tightness and Double Click Issues in Prototype Assemblies

Detected issues in cap tightness and double clicking "Tight" fit during prototype assemblies, affecting childproof features. Contributors include seal height specifications, lug spacing, and cap shape fidelity. Chipped lugs on caps also noted.

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Cap Tightness and Double Click Issues in Prototype Assemblies

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  1. RPDG Prototypes February 25, 2013

  2. Prototype Assemblies • Two issues were found when assembling the prototypes: • Cap tightness • Double Clicking

  3. “Tight” Fit • Teeth of cap and seal catching each other, getting stuck at peak of motion

  4. Double Click • Some cap assemblies were not fully engaging the childproof features First click position Second click position

  5. Possible Contributors • Seal height specification • Parts are larger than specification, limiting motion • Lug spacing on cap • Lugs are not evenly interacting with features of the vials

  6. Seal Height Desired Height: 0.419 ± 0.005in

  7. Cap Master • Sections of the master had areas of inconsistent paint thickness

  8. Cap Master • The shape fidelity of some of the lugs could be off

  9. Chipped Lugs on Caps • 3 Caps were received with multiple lugs having chips

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