Sheet metal cut features in Solidworks - Cell-by-Cell Formula Trace

Sample Data

This table shows sheet metal cut features with their type and dimensions. Length and Width are in millimeters. Area is to be calculated.

Cell	Value
A1	Feature
B1	Type
C1	Length (mm)
D1	Width (mm)
E1	Area (mm²)
A2	Cut1
B2	Rectangular
C2	50
D2	20
E2
A3	Cut2
B3	Circular
C3	30
D3	30
E3
A4	Cut3
B4	Rectangular
C4	40
D4	10
E4

Formula Trace

=IF(B2="Rectangular", C2*D2, PI()*POWER(C2/2,2))

Step 1: B2="Rectangular"

Step 2: C2*D2

Step 3: IF(TRUE, 1000, PI()*POWER(50/2,2))

Cell Reference Map

    A       B           C       D       E
1 |Feature|Type       |Length |Width  |Area
2 |Cut1   |Rectangular|  50    |  20   |???
3 |Cut2   |Circular   |  30    |  30   |???
4 |Cut3   |Rectangular|  40    |  10   |???

The formula references cells B2, C2, and D2 to calculate the area for the first cut feature.

Result

    A       B           C       D       E
1 |Feature|Type       |Length |Width  |Area
2 |Cut1   |Rectangular|  50    |  20   |1000
3 |Cut2   |Circular   |  30    |  30   |???
4 |Cut3   |Rectangular|  40    |  10   |???

The area for Cut1 is calculated as 1000 mm² because it is a rectangular cut with length 50 mm and width 20 mm.

Sheet Trace Quiz - 3 Questions

What does the formula check first?

A If the cut type is Rectangular

B If the length is greater than width

C If the area is already calculated

D If the width is zero

Key Result

IF cut type is Rectangular, area = length * width; else area = π * (length/2)^2 for Circular cuts.

Practice

1. What is the main purpose of sheet metal cut features in SolidWorks?

easy

A. To remove material and create holes or shapes in sheet metal parts

B. To add thickness to sheet metal parts

C. To change the color of sheet metal parts

D. To assemble multiple sheet metal parts together

Solution

1. Step 1: Understand the function of cut features

   Cut features are used to remove material from sheet metal parts to create holes or specific shapes.

2. Step 2: Differentiate from other features

   Adding thickness or changing color are not related to cut features; assembling is a separate process.

3. Final Answer:

   To remove material and create holes or shapes in sheet metal parts -> Option A

4. Quick Check:

   Cut features = Remove material [OK]

Hint: Cut features always remove material, never add [OK]

Common Mistakes:

• Confusing cut features with adding thickness
• Thinking cut features change appearance only
• Mixing cut features with assembly operations

2. Which SolidWorks feature is commonly used to create a hole in a sheet metal part?

easy

A. Chamfer

B. Extruded Boss/Base

C. Fillet

D. Hole Wizard

Solution

1. Step 1: Identify hole creation tools

   Hole Wizard is designed specifically to create holes with standard sizes and types in sheet metal parts.

2. Step 2: Exclude other features

   Extruded Boss/Base adds material, Fillet and Chamfer modify edges but do not create holes.

3. Final Answer:

   Hole Wizard -> Option D

4. Quick Check:

   Hole Wizard = Create holes [OK]

Hint: Use Hole Wizard for standard holes, not Extruded Boss [OK]

Common Mistakes:

• Choosing Extruded Boss/Base which adds material
• Confusing edge features like Fillet with hole creation
• Using Chamfer which only bevels edges

3. Given a sheet metal part with a cut feature created using Extruded Cut, what happens to the flat pattern when the cut is added?

medium

A. The flat pattern doubles the cut size

B. The flat pattern updates automatically to include the cut shape

C. The flat pattern deletes the cut feature

D. The flat pattern remains unchanged and ignores the cut

Solution

1. Step 1: Understand flat pattern behavior

   Sheet metal flat patterns automatically update to reflect cut features for accurate manufacturing.

2. Step 2: Eliminate incorrect behaviors

   Flat pattern does not ignore, delete, or distort cut features; it shows the exact cut shape.

3. Final Answer:

   The flat pattern updates automatically to include the cut shape -> Option B

4. Quick Check:

   Flat pattern = Auto update cuts [OK]

Hint: Flat pattern always reflects cut features automatically [OK]

Common Mistakes:

• Assuming flat pattern ignores cuts
• Thinking flat pattern deletes features
• Believing flat pattern changes cut size

4. You created a cut feature on a sheet metal part, but the flat pattern does not show the cut. What is the most likely cause?

medium

A. The flat pattern is not updated or suppressed

B. The cut feature was created on a non-sheet metal body

C. The cut feature was created using Extruded Boss/Base

D. The cut feature was created after flattening the part

Solution

1. Step 1: Check flat pattern status

   If the flat pattern is suppressed or not updated, it won't show recent cut features.

2. Step 2: Review other options

   Cut on non-sheet metal or using Extruded Boss/Base would cause different errors; creating cut after flattening is not standard practice.

3. Final Answer:

   The flat pattern is not updated or suppressed -> Option A

4. Quick Check:

   Flat pattern update = Show cuts [OK]

Hint: Always update flat pattern after adding cuts [OK]

Common Mistakes:

• Ignoring flat pattern suppression
• Confusing cut and boss features
• Assuming cuts after flattening are valid

5. You need to create a complex shape cut on a sheet metal part that updates correctly in the flat pattern. Which approach is best?

hard

A. Use multiple Extruded Cuts and combine them with a single flat pattern update

B. Use Hole Wizard for all complex shapes

C. Create the shape as a sketch and use a single Extruded Cut feature

D. Cut the shape after flattening the sheet metal

Solution

1. Step 1: Choose efficient cut creation

   Creating the complex shape as one sketch and using a single Extruded Cut ensures the flat pattern updates correctly and efficiently.

2. Step 2: Evaluate other options

   Multiple cuts complicate updates; Hole Wizard is for standard holes, not complex shapes; cutting after flattening is not recommended.

3. Final Answer:

   Create the shape as a sketch and use a single Extruded Cut feature -> Option C

4. Quick Check:

   Single sketch cut = Best flat pattern update [OK]

Hint: Use one sketch and one cut for complex shapes [OK]

Common Mistakes:

• Using many cuts causing update issues
• Relying on Hole Wizard for non-hole shapes
• Cutting after flattening sheet metal