Manufacturing Process Changes Overview
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Questions and Answers

What are the two main anti-glare issues mentioned in the content?

  • Black Lines & White Lines and Fading (correct)
  • Black Lines & White Lines and Color Distortion
  • Black Lines & White Lines and Clarity
  • Fading and Clarity

Where specifically does the fading problem occur?

  • On the screen's surface
  • In the middle of the screen
  • Around the edges of the screen
  • Around the window of the screen (correct)

Based on the content, what is the primary focus of the anti-glare issues?

  • Reducing screen reflections
  • Enhancing color accuracy
  • Addressing visual artifacts and distortions (correct)
  • Improving screen brightness

Which of the following is NOT a common anti-glare solution discussed?

<p>Using a specialized software filter (B)</p> Signup and view all the answers

What type of visual issues are the "Black Lines & White Lines" likely to be?

<p>Color banding (B)</p> Signup and view all the answers

What is the most likely cause of fading around the window?

<p>Damaged screen coating (C)</p> Signup and view all the answers

How would a matte screen help address the anti-glare issues mentioned?

<p>By reducing reflections and scattering light more evenly (B)</p> Signup and view all the answers

Based on the content, what can be inferred about the source of the problem?

<p>It's most likely a hardware issue (C)</p> Signup and view all the answers

When is the "Maintenance/メンテナンス" step performed?

<p>In both the &quot;Mold - touch&quot; and &quot;Normal&quot; states (B)</p> Signup and view all the answers

What type of inspection is performed in the "Idle conditon - never touch anything/リスタート" state?

<p>None (D)</p> Signup and view all the answers

Which states involve the "Production sampling inspection/Measurement of control points"?

<p>All three states (A)</p> Signup and view all the answers

What type of inspection is performed in the "Mold - touch" state?

<p>Both A and B (C)</p> Signup and view all the answers

Which state involves the "Spare parts replacement/スペアーパーツの交換" step?

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

What type of inspection is performed in the "Normal" state?

<p>Visual inspection/Product dimensions/Dimensions of (D)</p> Signup and view all the answers

Which state does not involve "Production sampling inspection/Measurement of control points and boss pin height"?

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

When is "Visual inspection/Product dimensions/Boss pin" performed?

<p>Only in the &quot;Mold - touch&quot; state (C)</p> Signup and view all the answers

When is a 'Mold Polishing/金型研磨' inspection performed?

<p>Before a 'Visual Inspection/Product Dimensions' inspection (D)</p> Signup and view all the answers

Which inspection is performed after a 'Mold Correction/金型修理' inspection?

<p>Visual Inspection/Product Dimensions (A)</p> Signup and view all the answers

When is a 'Production Sampling Inspection/Measurement of Control Points' inspection performed?

<p>After each inspection type, except 'Visual Inspection/Product Dimensions' (A)</p> Signup and view all the answers

Which inspection type is NOT performed after a 'Visual Inspection/Product Dimensions' inspection?

<p>Mold Correction/金型修理 (C)</p> Signup and view all the answers

What is the primary focus of 'Visual Inspection/Product Dimensions'?

<p>To verify dimensional accuracy of the product (D)</p> Signup and view all the answers

What is the purpose of 'Replacement of the cavity (CAV) Inserts/CAV交換' ?

<p>To replace worn-out or damaged parts of the mold (D)</p> Signup and view all the answers

Which inspection is primarily concerned with the surface finish of the mold?

<p>Mold Polishing/金型研磨 (C)</p> Signup and view all the answers

Which inspection is performed after a 'Mold Polishing/金型研磨' inspection, but before a 'Production Sampling Inspection/Measurement of Control Points' inspection?

<p>Visual Inspection/Product Dimensions (A)</p> Signup and view all the answers

Which of the following scenarios is MOST likely to trigger a production sampling inspection?

<p>A significant change to the production process is implemented. (C)</p> Signup and view all the answers

In which scenario is a visual inspection ALONE considered sufficient for quality control?

<p>When measuring equipment requires repair, necessitating a visual inspection of the equipment. (B)</p> Signup and view all the answers

Based on the information provided, which of the following quality control steps is LEAST likely to be used for a new employee?

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

When is 'Overall Inspection' MOST likely to be applied?

<p>After a production process change is implemented. (A)</p> Signup and view all the answers

In the provided scenarios, what is the MAIN indication of a potential product quality issue?

<p>Defects identified during visual inspection. (C)</p> Signup and view all the answers

Which of the following scenarios is LEAST likely to require a 'Production sampling inspection'?

<p>Equipment repairs without impact on production. (D)</p> Signup and view all the answers

Which quality control measure is MOST closely linked to ensuring a consistent product quality?

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

Based on the table, which scenario will NOT automatically trigger a 'Production sampling inspection'?

<p>Personnel transfers involving training. (B)</p> Signup and view all the answers

Which process is associated with visual inspection and product dimensions?

<p>Foil lot change (C), Resin lot change (D)</p> Signup and view all the answers

Which options indicate a process change in the context provided?

<p>Production sampling inspection (A), Visual inspection/Product dimensions (D)</p> Signup and view all the answers

What type of inspection is performed for control points?

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

How many inspections are mentioned under production sampling for CNC?

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

Which of the following indicates a lack of inspections for mold adjustments?

<p>No production sampling inspections (A)</p> Signup and view all the answers

Which lot change does not involve any inspections according to the information provided?

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

What type of inspection is conducted for resin changes?

<p>Product dimensions inspection (B), Measurement of control points (D)</p> Signup and view all the answers

What is the primary focus of production sampling inspection as indicated?

<p>Measurement of control points (C)</p> Signup and view all the answers

Which inspection method is confirmed to take place continually without issue?

<p>Measurement of control points and boss pin height (D)</p> Signup and view all the answers

What condition was noted about the operational status of the production?

<p>It has not been operational for over a month (B)</p> Signup and view all the answers

Which of the following is not a documented inspection type mentioned in the content?

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

In the context of molding, which inspection method is mentioned as not being suitable?

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

Which combination of inspections can be summarized as affirmative according to the document?

<p>Measurement of control points and production sampling inspection (D)</p> Signup and view all the answers

What is the frequency of production sampling inspection according to the content?

<p>Conducted multiple times during the process (A)</p> Signup and view all the answers

Which aspect of measurement is confirmed to follow a consistent procedure?

<p>Height measurement of control points (C)</p> Signup and view all the answers

Which inspection found difficulties as indicated in the document?

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

Flashcards

Anti-glare

A visual issue that causes unwanted reflections on a screen, making it difficult to see.

Black/White Line

A display issue that creates a black or white line that appears on the screen's edge.

Fading

A display issue where the image appears to fade or disappear around the screen's edges.

Process change

A change to the process used to manufacture a product.

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Material change

A change to the material used in a product.

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Mold change

A change to the mold used to make a product.

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Visual inspection/Product dimensions

Inspection of a product's visual appearance and dimensions.

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Production sampling inspection

Inspection of a product using a controlled sample, to check for variations in quality.

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Measurement of control points

A control point is a specific area or dimension on a product used to monitor its quality.

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Normal production

A production state where the manufacturing process is running smoothly and consistently, without any issues or disruptions.

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Idle condition

A production state where the machine is not in use, typically due to maintenance or downtime.

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Troubleshooting/Maintenance

A production state where the machine or process requires troubleshooting or repair due to a detected issue.

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Restart

A state where a production process is initiated or restarted, often after a period of downtime or maintenance.

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Visual Inspection

An inspection procedure involving visually examining the product for defects or inconsistencies.

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Product Dimensions

A measurement procedure that checks the accuracy and consistency of the product's dimensions.

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Boss pin height

A measurement procedure used to check the accuracy and consistency of a product's key feature, like the size of a specific part.

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Parts repair (mold)

A replacement of parts in a mold is not allowed and will always require a replacement of the entire component.

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Replacing CAV inserts

The cavity (CAV) is the main component inside a mold responsible for shaping the product. Replacing it can solve defects related to the shape or size of the product.

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Mold polishing

Mold polishing is a process to improve the surface finish of a mold, which can remove minor defects and improve the visual appeal of the product.

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Mold correction

Mold correction is a process of fixing defects or issues in the mold, such as dimensional errors, surface irregularities or damage.

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Mold replacement

Replacing the entire mold is a common solution when there are extensive defects, damage, or simply the need for a newer, improved version.

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Validation of process window suitability

This checks the process window parameters to see if they are suitable for consistent production.

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Not operational for over a month/久しぶり生産

This refers to a product that hasn't been manufactured for a long time.

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Production sampling inspection/Measurement of control points and boss pin height

This inspection method is a more comprehensive review that includes visual inspection, product dimensions, and measuring specific control points.

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Molding

This refers to the process of using a mold to create a product.

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Personnel transfers without training

Transferring personnel within a company without providing training or education for the new role.

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Personnel transfers involving training

Transferring personnel to a new position and providing training to ensure they are equipped for the new role.

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Study Notes

Incidental/Intentional Change List

  • Data on changes in processes, materials, and personnel impacting product quality.
  • Lists various categories of changes like process/engineering changes, material changes (resin/foil), maintenance, and spare part replacements.
  • Includes categories for visual inspection, measurements of control points, product dimensions, and boss pin heights.
  • Different check types are included (e.g., overall measurement, overall inspection)
  • Indicates whether changes are within or outside specified process windows (PW).
  • Notes on personnel transfers (with/without training), repair/replacement of measuring equipment.
  • Includes sections for "mold," "foil," "molding," and others.

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Description

Explore the critical changes made in manufacturing processes that affect product quality. This quiz covers categories such as process changes, material adjustments, maintenance, and inspection methods. Understand the implications of each change and how they align with specified process parameters.

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