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CNC Machining of Aluminum Expansion Coupler for the Electrical Hardware Industry

Custom Aluminum Expansion CouplerFairchild Auto-Mated Parts, Inc. CNC machines 2,500 to 5,000 expansion couplers annually for a client from the electrical hardware industry. Used within a rain-proof conduit connector, these couplers are made from 6061 aluminum, and measure 6.505" in length and 1.54" in outside diameter, with a 1.528" x 1.025" material extrusion.

Holding tolerances as close as ± .001", we use a combination of our 3-axis CNC lathe and CNC-retrofitted screw machine to manufacture each coupler. Customer part numbers and brand logos are also roll-engraved onto the exterior surface of the couplers, and we perform in-process testing and final inspections to ensure all units meet client expectations for quality. Once completed, the expansion couplers are shipped to various North American locations.

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Aluminum Expansion Coupler Project Highlights

Product Description This aluminum expansion coupler is used within a rain proof conduit connector
Capabilities Applied/Processes
  • Sized Connector Dimensions to Minimize Machining & Material Costs
CNC Machining
Roll Engraving
Equipment Used to Manufacture Part
3-Axis CNC Lathe CNC-Retrofitted Screw Machine
Overall Part Dimensions
Material: 1.528" x 1.025" Extrusion
Length: 6.505"
O.D.: Ø1.54"
Tightest Tolerances ±.001"
Materials Used 6061 Aluminum
Max Material Finish 32 Ra
Features Roll Engraved Customer Part Number and Brand Logo
Inspection Performed In Process & Final Inspection
Tooling Cost $595
Estimated Part Weight 7.24 oz.
Industry for Use Commercial Electrical Hardware Distribution
Packaging Individual Cells
Volume Manufactured 2,500 to 5,000 Per Year
Turn Around Time 8 Weeks
Delivery Location North America
Standards Met Customer supplied specifications
Product Name Expansion Coupler

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