Low Volume Production for Aluminum Housing Prototype
Manufacturing Services: CNC Machining, Tapping
Finishing Services: Anodizing
Material Used: Aluminum
Prototype Type: Aluminum Housing Prototype
Challenge: Anodizing without oozing
Prototyping Quantity: 150 sets

This project is a low-volume production project and the customer uses these parts for final products. The customer highlighted that the machining should be in high precision, the gap between lid and housing after screw them together should be consistent with tolerance of +/0.10mm. The offset in Z direction from housing to lid must be in +/-0.10mm. Additionally, the customer required to anodize these samples with an anodization color matrix.

We plan to adopt CNC machining as manufacturing process for aluminum housing. The key points of this project are the parts need to be anodized into different colors and the gap and offset must look the same in different color samples. OrideTech adopted CNC as manufacturing process for aluminum housing due to high precision requirement.

This is low-volume production project with sample quantity of 150pcs. For this project, there are two challenges, one is how to keep consistent gap and offset between base housing and lid. Another challenge is how to anodize parts without oozing at tapped holes. To fix the first issue, we machined base housing and lid individually without drilling the matching holes. After these two parts machined out, we place them together and then drilled matching holes with assembled two parts together.

The second issue is a common issue happened in Anodizing process, especially the parts with two materials connected together like iPhone housing. However, for the parts in this project, the issue is not difficult due to the same material of the parts. To fix it, we used a special silicone plug to fill in the holes during the anodizing. And after the anodization, we machined the chamfer and achieved the shiny chamfer with oozing at the end. And what we used became the best manufacturing process for aluminum housing.

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