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Fabrication of an Aluminum Expansion Tank Assembly 

The oil breather tank highlighted here was manufactured by Central Ohio Metal Stamping for a customer in the automotive aftermarket industry. The customer supplied 2D CAD drawings and called out the use of aluminum. The dimensions and geometry required the use of various high tech metal forming processes including metal stamping. An in-house tooling department fabricated the dies utilizing an Agie wire EDM, this internal resource minimized tooling costs, and adds a measure of control to the process. A Mazak 3D 6-axis laser was used providing high-precision cutting of the aluminum blanks. The tank sections were formed using a deep draw stamping press and then assembled utilizing advanced 6-axis OTC Daihen robotic welding cells. These cutting edge processes allowed for tolerances of ±.005" throughout the fabrication process, which were verified by comprehensive dimensional and visual inspections.

To learn more about this project or the processes used to manufacture it, see the table below or contact Central Ohio Metal Stamping directly.

Aluminum Expansion Tank Assembly Fabrication Project Details

Product Description
Oil Breather Tank for the Automotive Aftermarket
Aluminum Fabrication Capabilities Applied/Processes
Primary Services:
Laser Cutting
Deep Draw Forming

Secondary Services:
Equipment Used to Manufacture Part
Agie Wire EDM
Mazak 3D 6-Axis Laser Cutter
Stamping Presses
Press Brakes
6-axis OTC Daihen Robotic Welding Cells
Tightest Tolerances
(±) .005"
Material Used
In Process Testing/Inspection Performed
Dimensional Inspection
Visual Inspection
Industry for Use
Automotive Aftermarket Industry
Delivery Location
Standards Met
Customer Specifications
2D CAD Drawing
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