Bird
Raised Fist0
Solidworksbi_tool~10 mins

Interference detection in Solidworks - Cell-by-Cell Formula Trace

Choose your learning style10 modes available
LearnWhyDeepSheetTryChallengeScenarioRecallDash

Start learning this pattern below

Jump into concepts and practice - no test required

or
Recommended
Test this pattern10 questions across easy, medium, and hard to know if this pattern is strong
Sample Data

This data shows components with their volumes and interference volumes detected in SolidWorks assembly.

CellValue
A1Component
B1Volume (cm3)
C1Interference Volume (cm3)
A2Gear
B2150
C25
A3Shaft
B3200
C30
A4Housing
B4500
C410
Formula Trace
=SUM(C2:C4)
Step 1: C2
Step 2: C3
Step 3: C4
Step 4: SUM(5, 0, 10)
Cell Reference Map
    A       B       C
1 Component Volume  Interference
2 Gear      150     5
3 Shaft     200     0
4 Housing   500     10

Arrows: SUM formula references C2, C3, C4
The formula sums interference volumes from cells C2 to C4.
Result
    A       B       C       D
1 Component Volume  Interference Total Interference
2 Gear      150     5
3 Shaft     200     0
4 Housing   500     10
5                         15
Cell D5 shows the total interference volume of 15 cm3 calculated by summing C2:C4.
Sheet Trace Quiz - 3 Questions
Test your understanding
What is the interference volume for the Housing component?
A0 cm3
B10 cm3
C5 cm3
D15 cm3
Key Result
SUM(range) adds all numeric values in the specified cell range.

Practice

(1/5)
1.

What is the main purpose of interference detection in SolidWorks assemblies?

easy
A. To create exploded views automatically
B. To measure the weight of the assembly
C. To calculate the cost of materials
D. To find overlapping parts that may cause design issues

Solution

  1. Step 1: Understand interference detection function

    Interference detection checks if parts overlap or interfere in an assembly.

  2. Step 2: Identify the main goal

    The goal is to find overlapping parts that could cause problems in design or manufacturing.

  3. Final Answer:

    To find overlapping parts that may cause design issues -> Option D

  4. Quick Check:

    Interference detection = Find overlapping parts [OK]
Hint: Interference detection finds overlapping parts fast [OK]
Common Mistakes:
  • Confusing interference detection with cost calculation
  • Thinking it measures weight or creates views
  • Assuming it fixes the design automatically
2.

Which of the following is the correct step to start interference detection in SolidWorks?

Assembly > Evaluate > Interference Detection

easy
A. Open the drawing, then go to View tab and select Interference Detection
B. Open the part, then go to Features tab and select Interference Detection
C. Open the assembly, then go to Evaluate tab and select Interference Detection
D. Open the assembly, then go to Insert tab and select Interference Detection

Solution

  1. Step 1: Locate Interference Detection in SolidWorks UI

    Interference Detection is found under the Evaluate tab in an assembly document.

  2. Step 2: Confirm correct workflow

    You must open an assembly, then go to Evaluate > Interference Detection to start the tool.

  3. Final Answer:

    Open the assembly, then go to Evaluate tab and select Interference Detection -> Option C

  4. Quick Check:

    Evaluate tab in assembly = Interference Detection start [OK]
Hint: Start interference detection from Evaluate tab in assembly [OK]
Common Mistakes:
  • Trying to run interference detection in part or drawing mode
  • Looking under Insert or Features tabs incorrectly
  • Not opening an assembly first
3.

Given an assembly with three parts where Part A overlaps Part B by 2 mm and Part B overlaps Part C by 0 mm, what will the interference detection report?

medium
A. It will report interference between all three parts
B. It will report interference between Part A and Part B only
C. It will report interference between Part B and Part C only
D. It will report no interference at all

Solution

  1. Step 1: Analyze overlap distances

    Part A overlaps Part B by 2 mm, so interference exists there. Part B and Part C have 0 mm overlap, so no interference.

  2. Step 2: Determine interference report

    Interference detection reports only actual overlaps, so it reports interference between Part A and Part B only.

  3. Final Answer:

    It will report interference between Part A and Part B only -> Option B

  4. Quick Check:

    Overlap > 0 mm = interference reported [OK]
Hint: Only overlapping parts show interference [OK]
Common Mistakes:
  • Assuming zero overlap counts as interference
  • Thinking all parts interfere regardless of distance
  • Confusing interference with proximity
4.

In SolidWorks interference detection, a user runs the tool but no interferences are found, yet parts visibly overlap. What is the most likely cause?

medium
A. The user forgot to check 'Include Coincident Faces' option
B. The assembly file is corrupted and cannot detect interference
C. The parts are in different configurations
D. The interference detection tool only works on parts, not assemblies

Solution

  1. Step 1: Understand interference detection options

    Interference detection has an option 'Include Coincident Faces' that detects touching or overlapping faces.

  2. Step 2: Identify why visible overlap is missed

    If this option is unchecked, touching or coincident faces may not be reported as interference, causing missed detection.

  3. Final Answer:

    The user forgot to check 'Include Coincident Faces' option -> Option A

  4. Quick Check:

    Include Coincident Faces option affects detection [OK]
Hint: Check 'Include Coincident Faces' to catch touching overlaps [OK]
Common Mistakes:
  • Assuming file corruption causes detection failure
  • Thinking interference detection works only on parts
  • Ignoring configuration differences
5.

You have a complex assembly with multiple subassemblies. You want to detect interference only between parts in different subassemblies, ignoring interferences inside each subassembly. How can you configure interference detection to achieve this?

hard
A. Use the 'Treat Subassemblies as Parts' option to detect interference only between subassemblies
B. Run interference detection separately on each subassembly and combine results manually
C. Disable interference detection and use collision detection instead
D. Use the 'Include Coincident Faces' option to filter interferences inside subassemblies

Solution

  1. Step 1: Understand subassembly interference options

    SolidWorks interference detection has an option 'Treat Subassemblies as Parts' which treats each subassembly as a single part.

  2. Step 2: Apply option to detect only between subassemblies

    By enabling this option, interference detection ignores internal interferences inside subassemblies and reports only between subassemblies.

  3. Final Answer:

    Use the 'Treat Subassemblies as Parts' option to detect interference only between subassemblies -> Option A

  4. Quick Check:

    'Treat Subassemblies as Parts' filters internal interferences [OK]
Hint: Enable 'Treat Subassemblies as Parts' to focus on inter-subassembly interference [OK]
Common Mistakes:
  • Running detection separately and missing combined interferences
  • Confusing collision detection with interference detection
  • Misusing 'Include Coincident Faces' for this purpose