Application of Aluminum Extrusions to Robot Hands/Arms for Semiconductor and Collaborative Robots (Near-Net Shape / Variable Cross-Section Processing)
Front-end Process
Advanced robotic materials combining the design flexibility of aluminum extrusions (high cross-sectional freedom) with precision machining technologies.
KOBELCO manufactures components by integrating proprietary alloys, aluminum extrusion technology, and advanced processing capabilities.
Key Features
- Material Cost Reduction:
Switching from machining (cutting from aluminum plates) to near-net-shape aluminum extrusions significantly reduces material costs. - Weight Reduction (Thin-Wall Design):
Replacing cast components with variable cross-section extruded materials enables thinner walls and overall weight reduction.
Examples of Near-Net Shapes Using Aluminum Extrusions
Key Features
- Machining from near-net shape materials
- Weight reduction (Density: steel 7.8→Aluminum 2.7)
- Cost reduction through improved material yield
- extended equipment life and improved machine accuracy
Features of Aluminum Extrusion Products
- aluminum extrusion enables integral forming of complex shapes (see figure above)
- Excellent machinability, used for molds, tools, and machine components
- Significant yield improvement compared with machining from aluminum blocks
- Small-lot production available (from approx. 200 kg)
Benefits of Near-Shape (Example)
- Reduced cost through improved material yield and fewer machining processes
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