YARGER Precision MachiningYARGER Precision Machining is a Custom Manufacturer of Components Using the Latest CNC Milling, Turning & Wire EDM Technology

Custom CNC Machining of an Aluminum Case for the Military Industry

Custom CNC Machining of an Aluminum Case for the Military Industry

YARGER Precision Machining provided the CNC machining for this 7075-T6 aluminum case, which is used by a military client for an explosives application. Manufacturing, which included CNC turning and milling, required the use of special fixturing which was designed and fabricated in-house.

The CNC turning process required a rough turning and boring of the inside diameter, as well as facing and turning of the outside diameter. CNC milling was performed on a horizontal mill and included milled slots as well as drilled and countersunk holes. Finishing consisted of a Mil-spec chromate coating as well as etching, and the application of fast drying enamel paint. The finished part featured and O.D. 8.000", and I.D. of 7.060", and was 7.309" long. We manufactured 3,500 of these parts, which all met tolerances of ±.005", that was verified through CMM inspection. Penetrant inspection was also performed to confirm structural integrity. For more information on this project, please see the chart below or contact us directly.

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Custom CNC Machining Project Highlights

Product Description This aluminum case is used within an explosive application.
Capabilities Applied/Processes
Primary:
Fixtures
  • Special Fixtures were made to hold the parts in the CNC Lathe and The CNC Horizontal Mill
CNC Turning
  • Facing
  • Turn O.D.
  • Rough Turn I.D.
  • Bore I.D.
CNC Milling
  • Mill Slot
  • Drill & Countersink Holes
Secondary:
Coating
  • Chromate per Mil-DTL-5541
Testing
Etching
  • Vibra-Etch
Equipment Used to Manufacture Part CNC Lathe
CNC Horizontal Mill
Overall Part Dimensions O.D.: Ø8.000"
I.D.: Ø7.060"
Length: 7.309"
Tightest Tolerances ±.005"
Perpendicularity of .005"
True Position of .010"
Material Used 7075-T6 Aluminum
Material Finish Chem Film per Mil-DTL-5541
Sherwin Williams Kem Fast Dry Enamel Paint
In process testing/inspection performed Penetrant Inspection
CMM inspection
Industry for Use Military
Quantity 3500
Delivery Location Archbald, Pennsylvania
Standards Met Customer supplied print, 2D CAD Drawing, dwg. electronic File
Product Name Aluminum Case

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