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Small distance between hole and notch DFM check
Small distance between hole and notch overview
When a hole and notch are placed too close together, it can cause the surrounding metal to weaken and potentially crack, leading to structural issues or failure.
This is particularly important in applications where the sheet metal will be subjected to high levels of stress or strain, such as in load-bearing structures or in parts that will be exposed to vibration or other types of mechanical stress.
Small distance between hole and notch detection conditions
MTK identifies this issue when the following condition is met:
where:
- — actual distance between hole and notch
- — actual thickness
- — expected minimum distance between hole and notch to sheet thickness ratio
How MTK detects small distances between holes and notches
MTK automatically analyzes B-Rep CAD models for small distances between holes and notches. The SDK checks the relevant geometry against DFM criteria to identify potential issues that can increase manufacturing complexity or cost, or lead to quality or assembly problems.
Documentation and API reference
Detailed API reference for the small distance between hole and notch DFM check is provided in the MTK documentation, including issue classes, detection interfaces, and integration details.









