Metal Spinning & Circle Shearing of a Blower Housing for the Aerospace Industry

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Aircraft Blower Housing
Aircraft Blower Housing

The project highlighted here is an ideal example of the types of components produced daily at Elyria Metal Spinning. In this instance, a customer in the aerospace industry commissioned us to fabricate a custom housing unit used as an aircraft blower housing. Tooling for the part was designed and developed in-house. After circle shearing from 0.090" thick 6061 series ASTM E8/B557 aluminum sheeting, the unit was precision formed with our metal spinning process and hand levers, with additional spinning to produce the designed end flanges. All outside diameter surfaces were machined for final detailing and refinement. The unit was further subjected to a heat treating process, and completed with a distinctive brushed polish and alkaline etching procedure. Optical inspections were implemented to verify dimensions and ensure quality.

Overall measurements of the competed housing were 7.125" in length and 6" outside diameter, and it was constructed holding a tight ±.005" tolerance throughout. The customers requested timeline of 4 weeks was fulfilled, delivering the unit after a 3-1/2 week turnaround time. Typical timeline for this process is 6 to 8 weeks, with 50 to 75 units shipped per order to the customer in Wichita, Kansas. For more details about this custom blower housing construction, or the other metal spinning and machining processes available, please see the table below or contact us directly.

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Blower Housing Project Highlights

Project Name
Project Description
This housing is used as a blower housing for aircraft.
Capabilities Applied/Processes
Circle Shearing
Metal Spinning

Brushed Finish
Heat Treating
Alkaline Etching
Equipment Used to Manufacture Part
Spinning Lathe
Hand Levers
CNC Lathe
Machinists Lathe
Overall Part Dimensions
6" OD x 7.125 Length
Tightest Tolerances
Material Used
ASTM E8/B557 6061-0.090 Thick Aluminum Sheet
Material Finish
Brushed & Alkaline Etch
In Process Testing/Inspection Performed
Dimensional Requirements
Visual Inspection
Industry for Use
50-75 per order
Delivery/Turnaround Time
6-8 weeks
Delivery Location
Wichita, Kansas

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