Hand Spinning & Circle Shearing of a Bulkhead Can for a Defense Contractor

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Bulkhead Can
Bulkhead Can

A Defense Contractor hired Elyria Metal Spinning to construct a custom bulkhead can, which would be used as an electronics cover. Selecting .050" thick 6061-0 temper aluminum sheeting, the initial form was precision cut with a circle shearing process, and the material was then hand spun with levers to fulfill the net product shape. The flange mounting holes and center hole were punched while the OD flange was trimmed to print specifications. The part was then subject to a Scotch Brite polish to achieve a brushed finish. The bulkhead can was heat treated to "T4" and then a chemical film was applied to complete the part.

Dimensions for the finished bulkhead can were 7.250" in diameter and 2.5" in height, and it was constructed holding tolerances of ±.005" to +.005"/ -.000". Measurement accuracy and product integrity were verified with visual inspection as well as Faro gage inspection processes. This project was completed after a 6 to 8 week turnaround time and shipped to the customer in Archibald, Pennsylvania. We also handle the heavy volume production requirements of this contract, producing 400 to 600 units per month with a miniscule 0.5% rejection rate. For more details about this custom bulkhead can fabrication or our large volume production capabilities for custom spun products, please see the table below or contact us directly.

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Bulkhead Can Project Highlights

Project Name
Bulkhead Can
Project Description
This bulkhead can is used as an electronics cover.
Capabilities Applied/Processes
Primary:
Circle Shearing
Hand Spinning

Secondary:
Trimming
Polishing
Heat Treating
Equipment Used to Manufacture Part
Hand Levers
Punch Press
Machinists Lathe
Overall Part Dimensions
7.250 Diameter x 2.500 Height
Tightest Tolerances
±.005 to +.005/ -.000
Material Used
ASTM E8/B557 6061-0 Temper .050 Thick Aluminum Sheet
Material Finish
Brushed
Chemical Film
In Process Testing/Inspection Performed
Dimensional Requirements
Visual Inspection
Faro Gage Inspection
Industry for Use
Defense Contractor
Volume
400-600 per month
Delivery/Turnaround Time
6-8 weeks
Delivery Location
Archbald, Pennsylvania

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