Why correct output files enable fabrication in PCB Design - Business Case Study

Scenario Mode

👤 Your Role: You are a PCB design engineer

📋 Request: Your manager wants a report explaining why correct output files are crucial for successful PCB fabrication

📊 Data: You have data on common fabrication errors caused by incorrect output files and their impact on production time and cost

🎯 Deliverable: Create a clear report with visual charts showing the relationship between output file accuracy and fabrication success

Sample Data

Error Type	Cause	Impact on Fabrication	Delay (days)	Cost Increase ($)
Misaligned Layers	Incorrect Gerber files	Board layers do not match, causing defects	5	2000
Missing Drill Data	Incomplete NC Drill files	Holes not drilled correctly, assembly issues	3	1500
Wrong Board Outline	Incorrect mechanical layer files	Board size mismatch, fitting problems	4	1800
Incorrect Solder Mask	Errors in solder mask layer files	Short circuits or open circuits	6	2200
Correct Output Files	Accurate Gerber, Drill, and mechanical files	Smooth fabrication, no delays	0	0

1

Step 1: Organize the data into a table showing error types, causes, delays, and cost increases

Use the provided sample data table as is

Expected Result

A clear table listing fabrication errors and their impacts

2

Step 2: Create a bar chart showing Delay (days) for each Error Type

X-axis: Error Type, Y-axis: Delay (days), Bar height represents delay

Expected Result

Bar chart visually showing delays caused by each error

3

Step 3: Create a bar chart showing Cost Increase ($) for each Error Type

X-axis: Error Type, Y-axis: Cost Increase ($), Bar height represents cost

Expected Result

Bar chart visually showing cost increases caused by each error

4

Step 4: Summarize why correct output files prevent delays and extra costs

Write a short paragraph explaining that accurate files ensure smooth fabrication without errors

Expected Result

Clear explanation linking correct output files to fabrication success

5

Step 5: Combine charts and summary into a report dashboard

Place charts side by side with summary text below, use clear titles and labels

Expected Result

A professional report dashboard showing impact of output file accuracy on fabrication

Final Result

Fabrication Impact Report

+---------------------+-----------+-----------+
| Error Type          | Delay (d) | Cost ($)  |
+---------------------+-----------+-----------+
| Misaligned Layers   | #####     | ######    |
| Missing Drill Data  | ###       | ####      |
| Wrong Board Outline | ####      | #####     |
| Incorrect Solder Mask| ######   | #######   |
| Correct Output Files|           |           |
+---------------------+-----------+-----------+

Summary:
Correct output files ensure all PCB layers align, holes are drilled properly, and board outlines match specifications. This prevents delays and extra costs in fabrication, leading to smooth production and on-time delivery.

✓Incorrect output files cause significant delays ranging from 3 to 6 days.

✓Cost increases due to errors range from $1500 to $2200 per issue.

✓Correct output files result in zero delays and no extra costs.

✓Accurate output files are essential for smooth, error-free PCB fabrication.

Bonus Challenge

Create a dashboard that dynamically filters errors by delay or cost impact to prioritize fixes

Show Hint

Use slicers or filters on Delay and Cost fields to interactively explore the data