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Custom Wire Forming of a Stainless Steel Whip Antenna for the Communication Industry

(click on thumbnail to enlarge)

This whip antenna assembly displays not only our antenna and screw machine manufacturing capabilities but also our assembly or value-added portion of the business. The rod is formed from .100" 302 stainless steel through multiple different station setups on our CNC coiling/bending equipment then are trimmed, deburred and ready for assembly. The antenna ball is composed of .250" 304 stainless steel which is formed on our screw machine with programmed memory to make setups quick, consistent and efficient.

The antenna ball is then swaged to the rod to complete the assembly. A rare feature that Sterling provides is our pull testing capabilities that will verify strength of the assembly to ensure the ball cannot be easily removed from the rod. This part is subject to a 100 pound pull test, which is tested on our custom built (in-house) pull testing equipment that is calibrated annually by a certified outside source.

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Custom Wire Forming of a Stainless Steel Whip Antenna for the Communication Industry

Request For Quote

The finished antenna assembly measures 11.32" in length and is good representative of the many antennas that our antenna department manufactures. At Sterling Spring we produce 15,000 of these antenna assemblies annually and we deliver to a major communications manufacturer. To learn more about this custom antenna project, see the table below or contact us directly.

Stainless Steel Whip Antenna Assembly - Project Details

Product Description This Whip Antenna Assembly for a communications application.
Capabilities Applied/Processes
Straighten & Cut
Wire Forming
Screw Machine (Ball)
Assembling - Swage Fit Ball to Rod
Electro Polishing (Outsourced)
100 lbs Pull Testing (in-house)
Equipment Used to Manufacture Part
CNC Coiling/Bending
Screw Machine
Secondary Equipment
Pull Testing Equipment (QC Department)
Overall Part Dimensions
Length: 11.32"
Spring Length: 2.04" ± 0.04
Wire Diameter: 0.100" ± 0.002
O.D.: 0.56"
Tightest Tolerances ± 0.002"
Material Used .100" 302 Stainless Steel (Rod)
.250" 304 Stainless Steel (Ball)
Material Finish Electro Polished
In process testing/inspection performed
Outside Diameter
Coil Length
Leg Length (2)
Overall Length
100 lbs Pull Test
Industry for Use Communication Industry
Volume 15,000/Year
Delivery/Turnaround Time 3-4 weeks
Delivery Location Illinois
Standards Met Customer supplied print, 2D CAD Drawing
Product Name Whip Antenna Assembly 800 MHZ

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