Chamfer feature on edges in Solidworks - Cell-by-Cell Formula Trace

Sample Data

This table shows edges of a 3D model with their original lengths and the chamfer distances applied to each edge.

Cell	Value
A1	Edge ID
B1	Original Length (mm)
C1	Chamfer Distance (mm)
D1	Chamfered Length (mm)
A2	E1
B2	100
C2	5
A3	E2
B3	80
C3	10
A4	E3
B4	120
C4	7

Formula Trace

=B2 - C2

Step 1: B2 - C2

Step 2: 100 - 5

Cell Reference Map

    A      B       C       D
1 |Edge ID|Original Length |Chamfer Distance|Chamfered Length
  |       |(mm)           |(mm)           |(mm)
2 |  E1   |  100          |   5           |  =B2-C2
3 |  E2   |  80           |  10           |  =B3-C3
4 |  E3   |  120          |   7           |  =B4-C4

The formula in column D subtracts the chamfer distance in column C from the original length in column B for each edge.

Result

    A      B       C       D
1 |Edge ID|Original Length |Chamfer Distance|Chamfered Length
  |       |(mm)           |(mm)           |(mm)
2 |  E1   |  100          |   5           |   95
3 |  E2   |  80           |  10           |   70
4 |  E3   |  120          |   7           |  113

The chamfered length column shows the new edge lengths after applying the chamfer distances.

Sheet Trace Quiz - 3 Questions

What does the formula =B2 - C2 calculate?

A The sum of original length and chamfer distance

B The new length of the edge after chamfering

C The chamfer distance only

D The original length only

Key Result

Chamfered length = Original edge length - Chamfer distance

Practice

1.

What is the main purpose of using the Chamfer feature on edges in SolidWorks?

easy

A. To add color to the edges

B. To make edges thicker

C. To cut edges at an angle to remove sharpness

D. To create holes on the edges

Solution

1. Step 1: Understand the function of Chamfer

   The Chamfer feature cuts edges at an angle to remove sharpness and improve safety.

2. Step 2: Compare options with Chamfer purpose

   Only To cut edges at an angle to remove sharpness correctly describes this purpose; others describe unrelated actions.

3. Final Answer:

   To cut edges at an angle to remove sharpness -> Option C

4. Quick Check:

   Chamfer = angled edge cut [OK]

Hint: Chamfer always means angled edge cut to remove sharpness [OK]

Common Mistakes:

• Confusing chamfer with coloring or thickening edges
• Thinking chamfer creates holes
• Assuming chamfer smooths edges without angle

2.

Which of the following is the correct way to start creating a chamfer on an edge in SolidWorks?

1. Select the edge
2. Click Chamfer tool
3. Set size and angle

easy

A. Select the face, then click Chamfer tool

B. Select the whole part, then click Chamfer tool

C. Select the vertex, then click Chamfer tool

D. Select the edge, then click Chamfer tool

Solution

1. Step 1: Identify correct selection for chamfer

   Chamfer applies to edges, so selecting the edge is necessary.

2. Step 2: Verify the sequence

   After selecting the edge, clicking the Chamfer tool and setting parameters is correct.

3. Final Answer:

   Select the edge, then click Chamfer tool -> Option D

4. Quick Check:

   Edge selection before Chamfer tool [OK]

Hint: Always select edges first before applying chamfer [OK]

Common Mistakes:

• Selecting faces or vertices instead of edges
• Trying to chamfer whole part at once
• Skipping edge selection step

3.

Given a part with an edge selected, if you set a chamfer size of 5 mm and angle of 45°, what will be the shape of the chamfer?

medium

A. A flat angled cut removing 5 mm along the edge at 45°

B. A rounded edge with 5 mm radius

C. A hole drilled 5 mm deep at 45°

D. A thickened edge by 5 mm

Solution

1. Step 1: Understand chamfer parameters

   Size defines how far the cut extends; angle defines the slope of the cut.

2. Step 2: Visualize the chamfer shape

   At 5 mm size and 45°, the edge is cut flat at that angle removing material.

3. Final Answer:

   A flat angled cut removing 5 mm along the edge at 45° -> Option A

4. Quick Check:

   Chamfer size + angle = angled flat cut [OK]

Hint: Chamfer size and angle create angled flat cuts, not rounded edges [OK]

Common Mistakes:

• Confusing chamfer with fillet (rounded edge)
• Thinking chamfer drills holes
• Assuming chamfer thickens edges

4.

You tried to create a chamfer but the software shows an error. Which of these is the most likely cause?

Selected edges are not continuous or too short for the chamfer size.

medium

A. Edges are too short or not continuous for the chamfer size

B. Chamfer angle is set to 90°, which is invalid

C. You selected faces instead of edges

D. Chamfer size is zero

Solution

1. Step 1: Analyze error cause

   Chamfer requires edges long enough to apply the size; short or broken edges cause errors.

2. Step 2: Check other options

   Angle 90° is valid; selecting faces won't start chamfer but usually no error; size zero means no chamfer.

3. Final Answer:

   Edges are too short or not continuous for the chamfer size -> Option A

4. Quick Check:

   Edge length vs chamfer size error [OK]

Hint: Check edge length before applying large chamfer size [OK]

Common Mistakes:

• Assuming angle 90° is invalid
• Selecting faces causes error instead of edges
• Using zero size causes error

5.

You want to apply a chamfer to multiple edges of a complex part but only want to chamfer edges that are longer than 10 mm. Which approach is best?

hard

A. Manually select each edge longer than 10 mm and apply chamfer

B. Use a selection filter or query to select edges by length, then apply chamfer

C. Apply chamfer to all edges and ignore the short ones

D. Create a new part with only edges longer than 10 mm and chamfer them

Solution

1. Step 1: Understand the requirement

   Only edges longer than 10 mm should be chamfered to save time and accuracy.

2. Step 2: Evaluate methods

   Manual selection is slow and error-prone; applying to all edges wastes effort; creating new part is complex.

3. Step 3: Best approach

   Using selection filters or queries to pick edges by length automates and ensures correct selection.

4. Final Answer:

   Use a selection filter or query to select edges by length, then apply chamfer -> Option B

5. Quick Check:

   Filter edges by length before chamfer [OK]

Hint: Filter edges by length to chamfer only needed ones [OK]

Common Mistakes:

• Selecting edges manually and missing some
• Applying chamfer to all edges unnecessarily
• Creating new parts instead of filtering