Manufacturing Process Changes and Inspections

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Questions and Answers

In which instances is the 'Boss Pin Height' specifically measured during a production sampling inspection?

  • Only when 'Product Dimensions' are also specified.
  • Only when 'Overall Measurement' is also specified. (correct)
  • Always when 'Visual inspection' is also specified.
  • Always when 'Measurement of control points' is specified.

Which of these inspection types is most frequently accompanied by the measurement of 'Boss Pin Height'?

  • Production sampling inspection (correct)
  • Validation of process window suitability
  • Visual Inspection
  • Overall Inspection

Under which inspection type is 'Product Dimensions' never specifically measured?

  • CNC Production sampling inspection
  • Overall Measurement (correct)
  • Visual Inspection
  • Validation of process window suitability

Which inspection types exclusively involve 'Visual Inspection' without any additional measurements or checks?

<p>Overall Inspection (A)</p> Signup and view all the answers

Which inspection type is always accompanied by 'Measurement of control points'?

<p>Production sampling inspection (A)</p> Signup and view all the answers

Which inspection type only involves measurements, without visual inspection, and never includes 'Boss Pin Height' as a measurement?

<p>Production sampling inspection (A)</p> Signup and view all the answers

Which of the following inspection types never includes 'Measurement of control points and boss pin height' as a component?

<p>Validation of process window suitability (B)</p> Signup and view all the answers

Which inspection type can include 'Visual Inspection' in combination with 'Measurement of control points and boss pin height'?

<p>Production sampling inspection (D)</p> Signup and view all the answers

What is the action that is explicitly prohibited according to the incident and intentional change list?

<p>Parts repair (C)</p> Signup and view all the answers

Which of the following actions would require confirmation and contact based on the incidental change/intentional change list?

<p>Spare parts replacement (B), Idle condition never touch anything (D)</p> Signup and view all the answers

Who is the contact person for a setup change according to the list?

<p>Pathmanathan (C)</p> Signup and view all the answers

What potential issue could arise from a 'mold breakdown' event?

<p>Cloudy gate area (C)</p> Signup and view all the answers

Which change type is represented as 'Mold correction' in the list?

<p>Mold polishing (D)</p> Signup and view all the answers

What risk is associated with personnel transfers involving training?

<p>Visual inspection errors (A)</p> Signup and view all the answers

What is a likely consequence of conducting a review of the process window range?

<p>Foil crack (B)</p> Signup and view all the answers

Which type of change is described by the term 'Improved cylinder'?

<p>Intentional change (A)</p> Signup and view all the answers

Flashcards

Intentional change

Any changes made to the production process intentionally, such as a change in the resin lot, foil lot, mold polishing, or mold correction.

Incidental change

Changes that occur unintentionally during the production process, caused by factors like equipment malfunction, material variations, or fluctuations in the environment.

Mold - No touch

A change in the production process where the mold isn't physically altered, such as adjustments within the process window or changes in setup conditions.

Mold - Normal service

Changes made to the mold during routine maintenance or repair, such as replacing spare parts or performing mold polishing.

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Mold - Repairing

A change in the process that leads to a significant disruption in the production process, such as a mold breakdown or the lack of production for an extended period.

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Molding

Changes related to the manufacturing process, such as adjustments, process window changes, or improvements to the cylinder used in the machine.

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Foil

Changes related to the thin, metallic film used in the production process, such as process changes or material substitutions.

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Man

Changes related to the people involved in the production process, such as personnel transfers with or without training, or updates to measuring equipment.

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Boss Pin Height

A key quality characteristic inspected during production sampling, used to ensure compliance with specifications.

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Production Sampling Inspection

A type of inspection that ensures product quality throughout the production process by taking samples and verifying measurements.

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Visual Inspection

The inspection technique used to check the visual appearance of a product for defects or imperfections.

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Control Points

Specific locations on a product where measurements are taken to monitor quality and ensure they meet specifications.

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Overall Inspection

The overall process of checking the final product's adherence to specifications.

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Overall Measurement

A detailed measurement of the entire product to verify dimensions and compliance with specifications.

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Validation of Process Window Suitability

A method for examining the suitability of the process and adjusting it to meet quality standards.

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Measurement of Control Points

The measurement of specific key characteristics of the product or its components, including dimensions.

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Study Notes

Impacted Areas & Changes

  • Incidental and intentional changes require confirmation and contact based on a list.
  • Various checks and measurements are needed for different components (e.g., quantity checks, overall measurement, replacement part measurement, visual inspections, samples for comparison).
  • Specific visual inspection points include white marks, dryness, uneven coloration, black/white lines, fading, bleeding, color tone, anti-glare issues, moire, cloudy areas, polarized visibility, ink flow, air bubbles, weld lines, foil cracks, sink wrinkles, and sink marks.
  • Process changes include resin lot changes, material changes, foil lot changes, mold-related issues (no touch, maintenance, spare parts replacement, repairs not allowed, mold polishing, mold correction, cavity insert replacement, mold grain insert replacement, mold breakdown), setup changes, and improved cylinders.

Process Window Adjustments

  • Adjustments within the process window range are coded.
  • Adjustments outside the process window range are coded differently.
  • Review of the process window range is mentioned.

Personnel Changes

  • Personnel transfers without training are flagged.
  • Personnel transfers with training are flagged.

Measuring Equipment

  • Measuring equipment repair and updates are noted.

Production Sampling Inspection

  • Production sampling inspections include overall measurements, measurements of control points, and boss pin height measurement for replacements.

Overall Inspection & Measurements

  • Overall inspection and measurements are listed.

Additional Notes

  • Spare parts should be used instead of repairs whenever possible.
  • Construction or repairs need permission and contact with the factory manager.
  • Contact information for Kameoka Factory management is included.

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Incident Change List 11 PDF

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