Extruded surface in Solidworks - Real Business Scenario

Scenario Mode

👤 Your Role: You are a product design analyst at a manufacturing company.

📋 Request: Your manager wants a report showing the usage and efficiency of extruded surface features in recent product designs to improve design processes.

📊 Data: You have data on recent product designs including design ID, designer name, number of extruded surface features used, total design time in hours, and product category.

🎯 Deliverable: Create a dashboard report summarizing the average number of extruded surface features per product category, average design time, and correlation between extruded surfaces and design time.

Sample Data

Design ID	Designer	Extruded Surfaces	Design Time (hrs)	Product Category
D001	Alice	5	12	Electronics
D002	Bob	3	9	Electronics
D003	Charlie	7	15	Automotive
D004	Alice	4	10	Automotive
D005	Bob	6	14	Furniture
D006	Charlie	2	8	Furniture
D007	Alice	5	11	Electronics
D008	Bob	3	9	Automotive

1

Step 1: Import the sample data into your BI tool and create a table visualization.

Load data with columns: Design ID, Designer, Extruded Surfaces, Design Time (hrs), Product Category.

Expected Result

Table shows 8 rows with all columns correctly loaded.

2

Step 2: Create a measure to calculate the average number of extruded surfaces per product category.

Average Extruded Surfaces = AVERAGE('Table'[Extruded Surfaces]) grouped by Product Category.

Expected Result

Average Extruded Surfaces per category: Electronics=4.33, Automotive=4.33, Furniture=4.

3

Step 3: Create a measure to calculate the average design time per product category.

Average Design Time = AVERAGE('Table'[Design Time (hrs)]) grouped by Product Category.

Expected Result

Average Design Time per category: Electronics=10.67 hrs, Automotive=11.33 hrs, Furniture=11 hrs.

4

Step 4: Create a scatter plot visualization with 'Extruded Surfaces' on X-axis and 'Design Time (hrs)' on Y-axis to see correlation.

Plot each design point with X='Extruded Surfaces', Y='Design Time (hrs)'.

Expected Result

Scatter plot shows a positive trend indicating more extruded surfaces generally relate to longer design time.

5

Step 5: Add slicer/filter for Product Category to allow filtering the dashboard by category.

Add filter control on Product Category column.

Expected Result

User can select Electronics, Automotive, or Furniture to update visuals accordingly.

6

Step 6: Arrange visuals on a dashboard with clear titles and labels for easy interpretation.

Dashboard layout: Top - slicer; Left - average extruded surfaces bar chart; Right - average design time bar chart; Bottom - scatter plot.

Expected Result

Dashboard is clear, interactive, and shows requested insights.

Final Result

Dashboard: Extruded Surface Usage and Design Time

[Product Category Slicer]

Average Extruded Surfaces per Category:
Electronics |■■■■■■■■■■■■■■ 4.33
Automotive  |■■■■■■■■■■■■ 4.33
Furniture   |■■■■■■■■■■ 4.0

Average Design Time (hrs):
Electronics |■■■■■■■■■■■■■ 10.67
Automotive  |■■■■■■■■■■■■■■■ 11.33
Furniture   |■■■■■■■■■■■■ 11.0

Scatter Plot (Extruded Surfaces vs Design Time):
X-axis: Extruded Surfaces (2 to 7)
Y-axis: Design Time (8 to 15 hrs)
Points show upward trend

✓Automotive designs use the highest average design time (11.33 hrs) but have an average extruded surfaces count of 4.33.

✓There is a positive correlation between the number of extruded surfaces and design time, meaning more complex surface features take longer to design.

✓Furniture category has fewer extruded surfaces on average and slightly shorter design times compared to Automotive.

✓Electronics category has moderate extruded surface usage and the shortest average design time.

Bonus Challenge

Add a calculated measure to find the design efficiency ratio defined as (Extruded Surfaces / Design Time) per product category and visualize it.

Show Hint

Create a measure: Design Efficiency = DIVIDE(AVERAGE('Table'[Extruded Surfaces]), AVERAGE('Table'[Design Time (hrs)])) grouped by Product Category.

Practice

1. What is the main characteristic of an Extruded Surface in SolidWorks?

easy

A. It creates a thin 3D shape without volume.

B. It creates a solid 3D object with volume.

C. It only creates 2D sketches.

D. It automatically adds thickness to a solid.

Solution

1. Step 1: Understand the definition of extruded surface

   An extruded surface stretches a 2D sketch into a 3D shape but does not create volume.

2. Step 2: Compare with solid extrusion

   Unlike solid extrusion, extruded surfaces are thin and have no volume.

3. Final Answer:

   It creates a thin 3D shape without volume. -> Option A

4. Quick Check:

   Extruded surface = thin 3D shape without volume [OK]

Hint: Remember: surfaces have no volume, solids do [OK]

Common Mistakes:

• Confusing extruded surface with solid extrusion
• Thinking extruded surfaces add thickness automatically
• Assuming extruded surfaces are 2D only

2. Which of the following is the correct syntax to create an extruded surface in SolidWorks using the feature tree?

easy

A. Right-click sketch > Select 'Extruded Surface'

B. Right-click sketch > Select 'Extruded Boss/Base'

C. Right-click sketch > Select 'Revolve Boss/Base'

D. Right-click sketch > Select 'Cut-Extrude'

Solution

1. Step 1: Identify the correct feature for extruded surface

   The feature to create an extruded surface is called 'Extruded Surface' in SolidWorks.

2. Step 2: Eliminate other options

   'Extruded Boss/Base' creates solids, 'Revolve Boss/Base' is for revolved solids, and 'Cut-Extrude' removes material.

3. Final Answer:

   Right-click sketch > Select 'Extruded Surface' -> Option A

4. Quick Check:

   Extruded surface feature = 'Extruded Surface' [OK]

Hint: Look for 'Surface' keyword in feature name [OK]

Common Mistakes:

• Choosing 'Extruded Boss/Base' which creates solids
• Confusing revolve features with extrusion
• Selecting cut features instead of surface creation

3. Given a 2D sketch of a circle with radius 10mm, what will be the result of applying an extruded surface with a depth of 5mm?

medium

A. A solid cylinder with radius 10mm and height 5mm

B. A flat 2D circle with no thickness

C. A thin cylindrical surface with radius 10mm and depth 5mm

D. A hollow sphere with radius 10mm

Solution

1. Step 1: Understand extrusion of a circle sketch as surface

   Extruding a circle sketch as a surface creates a thin cylindrical shell, not a solid.

2. Step 2: Analyze the depth parameter

   The extrusion depth of 5mm defines how far the surface extends in 3D space.

3. Final Answer:

   A thin cylindrical surface with radius 10mm and depth 5mm -> Option C

4. Quick Check:

   Extruded surface of circle = thin cylinder surface [OK]

Hint: Extruded surface keeps shape but no volume [OK]

Common Mistakes:

• Assuming extrusion creates a solid cylinder
• Thinking extrusion does not add depth
• Confusing surface extrusion with 2D sketch

4. You tried to create an extruded surface but the feature failed. Which of these is the most likely cause?

medium

A. The extrusion depth is set to zero.

B. The sketch is fully defined.

C. You selected 'Extruded Boss/Base' instead of 'Extruded Surface'.

D. The sketch is not closed.

Solution

1. Step 1: Check sketch closure

   An extruded surface requires a closed sketch; an open sketch will cause the feature to fail.

2. Step 2: Review other options

   Zero extrusion depth causes no extrusion but usually does not cause feature failure; selecting wrong feature changes output but not failure; fully defined sketch is good practice and does not cause failure.

3. Final Answer:

   The sketch is not closed. -> Option D

4. Quick Check:

   Open sketch = feature failure [OK]

Hint: Ensure sketch is fully closed before extrusion [OK]

Common Mistakes:

• Ignoring open sketch as failure cause
• Confusing zero depth with failure
• Assuming fully defined sketch causes failure

5. You want to create a thin cover part by extruding a rectangular sketch 2mm as a surface, then offset it by 1mm to create thickness. Which sequence of features should you use?

hard

A. Extruded Surface (2mm) -> Thicken (1mm)

B. Extruded Surface (2mm) -> Offset Surface (1mm) -> Thicken

C. Extruded Boss/Base (2mm) -> Shell (1mm)

D. Extruded Surface (2mm) -> Cut-Extrude (1mm)

Solution

1. Step 1: Create the base thin surface

   Use 'Extruded Surface' with 2mm depth to create the initial thin surface.

2. Step 2: Offset the surface to create thickness

   Apply 'Offset Surface' by 1mm to create a parallel surface at the desired thickness.

3. Step 3: Use 'Thicken' to convert surfaces into a solid with thickness

   Thicken the offset surfaces to form a solid cover part.

4. Final Answer:

   Extruded Surface (2mm) -> Offset Surface (1mm) -> Thicken -> Option B

5. Quick Check:

   Surface extrusion + offset + thicken = solid cover [OK]

Hint: Use offset and thicken after surface extrusion for thickness [OK]

Common Mistakes:

• Using solid extrusion instead of surface extrusion first
• Skipping offset surface step
• Using cut-extrude which removes material