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Engineering
Mechanical Engineering
Sheet Metal Design
1. Fundamentals of Sheet Metal Design
2. Sheet Metal Materials and Properties
3. Design for Manufacturability Principles
4. Flat Pattern Development
5. Bending Design Rules
6. Hole and Cutout Design
7. Notch and Tab Design
8. Sheet Metal Manufacturing Processes
9. Common Sheet Metal Features
10. Assembly and Joining Methods
11. Surface Finishing and Treatments
12. Tolerancing and Quality Control
13. Computer-Aided Design for Sheet Metal
6.
Hole and Cutout Design
6.1.
Hole Size Requirements
6.1.1.
Minimum Diameter Rules
6.1.2.
Thickness Relationships
6.1.3.
Punching Limitations
6.1.4.
Drilling Considerations
6.2.
Hole Spacing Rules
6.2.1.
Center-to-Center Distance
6.2.2.
Edge Distance Requirements
6.2.3.
Structural Integrity
6.2.4.
Tool Clearance
6.3.
Hole-to-Bend Relationships
6.3.1.
Minimum Distances
6.3.2.
Distortion Prevention
6.3.3.
Sequence Planning
6.3.4.
Quality Considerations
6.4.
Cutout Design
6.4.1.
Corner Radius Requirements
6.4.2.
Stress Concentration Avoidance
6.4.3.
Manufacturing Feasibility
6.4.4.
Tool Wear Considerations
6.5.
Special Hole Features
6.5.1.
Countersinks
6.5.2.
Counterbores
6.5.3.
Threaded Holes
6.5.4.
Slotted Holes
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5. Bending Design Rules
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7. Notch and Tab Design