Revolved cut in Solidworks - Practice Problems & Coding Challenges

Challenge - 5 Problems

🧠 Conceptual

intermediate

Understanding the Axis in Revolved Cut

In SolidWorks, when creating a revolved cut, what is the role of the axis of revolution?

A It defines the line around which the sketch profile is rotated to remove material.

B It is the path along which the sketch profile is extruded linearly.

C It determines the direction of the draft angle applied to the cut.

D It specifies the plane where the sketch is drawn.

💡 Hint

Think about what 'revolve' means in 3D modeling.

The axis of revolution is the line around which the sketch profile rotates to create the cut. This rotation removes material symmetrically around that axis.

❓ dax_lod_result

intermediate

Calculating Volume Removed by Revolved Cut

Given a revolved cut feature in a SolidWorks model, which DAX measure best estimates the volume removed if you have the cut's profile area and the angle of revolution?

A VolumeRemoved = ProfileArea * (Angle / 360) * Radius

B VolumeRemoved = ProfileArea * 2 * PI() * Radius

C VolumeRemoved = ProfileArea * Radius * Angle

D VolumeRemoved = ProfileArea * (Angle / 360) * 2 * PI() * Radius

💡 Hint

Recall the formula for the volume of a revolved solid: area times the path length of revolution.

The volume removed by a revolved cut equals the profile area multiplied by the length of the arc traveled during revolution. The arc length is (Angle/360) * 2 * PI() * Radius.

❓ visualization

advanced

Best Visualization for Revolved Cut Impact

You want to show how different revolved cut angles affect the remaining volume of a part. Which visualization type is best suited for this?

A A line chart showing remaining volume on Y-axis and cut angle on X-axis.

B A pie chart showing percentage of volume removed for each angle.

C A stacked bar chart comparing volumes of multiple parts with different cuts.

D A scatter plot showing cut angle versus profile area.

💡 Hint

Think about how to show change over a continuous variable.

A line chart clearly shows how remaining volume changes as the cut angle varies continuously, making trends easy to see.

🔧 Formula Fix

advanced

Troubleshooting Revolved Cut Axis Error

A user creates a revolved cut but gets an error saying 'Axis of revolution not valid'. What is the most likely cause?

A The cut angle is set to zero degrees.

B The profile sketch is not closed properly.

C The axis line is not a straight line or is missing in the sketch.

D The part material is not assigned.

💡 Hint

Focus on what the axis of revolution requires geometrically.

The axis of revolution must be a valid straight line in the sketch. If it is missing or not a line, the error occurs.

🎯 Scenario

expert

Optimizing Revolved Cut for Manufacturing

You need to create a revolved cut that removes material only partially around the axis to reduce machining time. Which approach is best?

A Create multiple revolved cuts each with small angles summing to 360 degrees.

B Set the cut angle to less than 360 degrees and use a closed profile sketch.

C Use a full 360-degree cut and then mask the unwanted area in the drawing.

D Draw an open profile and revolve it 360 degrees.

💡 Hint

Think about how to limit the cut to a portion of the revolution.

Setting the cut angle less than 360 degrees with a closed profile removes material only partially, reducing machining time efficiently.

Practice

1.

What does the Revolved Cut feature do in SolidWorks?

easy

A. Adds material by extruding a sketch

B. Mirrors a feature across a plane

C. Creates a flat surface on a part

D. Removes material by rotating a sketch around an axis

Solution

1. Step 1: Understand Revolved Cut purpose

   Revolved Cut removes material by spinning a sketch around a defined axis.

2. Step 2: Compare with other features

   Extrude adds material, mirror duplicates features, and flat surface creation is unrelated.

3. Final Answer:

   Removes material by rotating a sketch around an axis -> Option D

4. Quick Check:

   Revolved Cut = Remove by rotation [OK]

Hint: Revolved cut spins sketch to remove material [OK]

Common Mistakes:

• Confusing cut with extrude
• Thinking it adds material
• Mixing with mirror feature

2.

Which of the following is the correct syntax to start a Revolved Cut in SolidWorks?

Insert > Cut > Revolved Cut

easy

A. Insert > Boss/Base > Revolved Cut

B. Insert > Hole Wizard > Revolved Cut

C. Insert > Cut > Revolved Cut

D. Insert > Surface > Revolved Cut

Solution

1. Step 1: Recall menu path for Revolved Cut

   The correct menu path is Insert > Cut > Revolved Cut.

2. Step 2: Eliminate incorrect options

   Boss/Base adds material, Surface is for surfaces, Hole Wizard is for holes, not revolved cuts.

3. Final Answer:

   Insert > Cut > Revolved Cut -> Option C

4. Quick Check:

   Menu path = Insert > Cut > Revolved Cut [OK]

Hint: Revolved Cut is under Insert > Cut menu [OK]

Common Mistakes:

• Choosing Boss/Base instead of Cut
• Confusing Hole Wizard with Revolved Cut
• Selecting Surface instead of Cut

3.

Given a sketch of a semicircle with radius 10 mm and an axis along the diameter, what will be the result of a Revolved Cut feature?

medium

A. A solid hemisphere cut with 10 mm radius

B. A hollow sphere cut with 10 mm radius

C. A full cylinder cut with 10 mm radius

D. A hollow cylinder cut with 10 mm radius

Solution

1. Step 1: Understand sketch and axis

   A semicircle revolved around its diameter axis creates a solid hemisphere shape.

2. Step 2: Identify cut shape

   The Revolved Cut removes material in a solid hemisphere form, not a hollow sphere or cylinder.

3. Final Answer:

   A solid hemisphere cut with 10 mm radius -> Option A

4. Quick Check:

   Semicircle revolve = solid hemisphere cut [OK]

Hint: Semicircle revolve around diameter = solid hemisphere cut [OK]

Common Mistakes:

• Thinking it creates a hollow cylinder cut
• Confusing cylinder with sphere
• Assuming full cylinder cut

4.

Why does a Revolved Cut fail when the sketch is not closed?

medium

A. Because the sketch cannot form a solid profile to revolve

B. Because the axis is missing

C. Because the sketch is too complex

D. Because the material thickness is zero

Solution

1. Step 1: Understand sketch closure requirement

   Revolved Cut needs a closed sketch to create a solid profile for cutting.

2. Step 2: Identify failure cause

   An open sketch cannot form a solid shape when revolved, causing the feature to fail.

3. Final Answer:

   Because the sketch cannot form a solid profile to revolve -> Option A

4. Quick Check:

   Closed sketch needed for revolve [OK]

Hint: Sketch must be closed to revolve cut [OK]

Common Mistakes:

• Blaming missing axis instead of open sketch
• Assuming complexity causes failure
• Confusing material thickness with sketch closure

5.

You want to create a groove inside a cylindrical part using Revolved Cut. Which two things must you ensure before applying the feature?

hard

A. The sketch is closed and the part is flat

B. The sketch is closed and the axis is defined

C. The sketch is open and the axis is undefined

D. The sketch is open and the part is hollow

Solution

1. Step 1: Identify sketch requirements

   The sketch must be closed to form a valid profile for cutting.

2. Step 2: Confirm axis definition

   A clear axis must be defined to revolve the sketch correctly.

3. Final Answer:

   The sketch is closed and the axis is defined -> Option B

4. Quick Check:

   Closed sketch + defined axis = successful revolved cut [OK]

Hint: Always close sketch and define axis before revolved cut [OK]

Common Mistakes:

• Using open sketches
• Not defining axis
• Assuming flat or hollow part is required