2023-12-08
To reduce manufacturing costs related to part geometry, consider the following tips:
1. Simplify or Downsize Shapes:
Make shapes simpler or smaller when possible.
2. Minimize Fine Details:
Avoid intricate details in shapes to reduce complexity and machining time.
3. Corner Optimization:
Avoid sharp inside and outside corners, which may require specialized tooling.
Increase the radius of inside and outside corners for smoother machining.
4. Material Efficiency:
Design shapes that minimize material wastage.
For instance, consider breaking down a large U-shaped part into three separate sections to
avoid wasting material in the center.
5. Hole Standardization:
For 3D parts, minimize the number of different hole diameters to simplify machining.
6. Complex Shapes:
Avoid shapes with long protrusions, thin sections, or extensive material removal requirements.
7. Work-Holding Considerations:
Design parts that do not require complex work-holding setups.
Rectangular parts are the most practical, followed by round parts (requiring milling), while shapes
with intricate outer profiles are more time-consuming to set up for machining.
8. Slot and Channel Widths:
Make narrow slots and channels wider, as narrow areas necessitate smaller cutting tools, which
work more slowly.
9. Edge Treatment:
Avoid adding explicit chamfers or rounded edges in the CAD design, as these can often be
addressed using more cost-effective methods during the machining process.
10. Integrate Protrusions:
Inside deep pockets, connect protrusions close to walls (e.g., mounting posts) to the wall to
eliminate separate "islands" within the pocket.
Implementing these geometry-based cost reduction strategies can help optimize part designs for more efficient and cost-effective CNC machining processes.
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