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Progressive Die Stamping of a Nickel Conductive Shield for the Cell Phone Industry

Progressive Die Stamping of a Nickel Conductive ShieldOriginally, a client requested Perfection Spring & Stamping Corp. to perform a costly conductive paint operation on their cell phone products. In order to shield various electronic devices from electromagnetic field and radio frequency interference, conductive paint was traditionally sprayed onto a product's masked plastic housing. This delicate procedure often resulted in a high incident of scrap due to "over-spray" onto cosmetically sensitive surfaces.

As part of our consumer's "Early Supplier Involvement Program," PSS engineers used progressive die stamping to develop a conductive shield that would replace this expensive plating process. This solution substituted our customer's costly $2.00 plating operation with a $0.27 nickel-silver metal stamping. By replacing our client's original masked plating with this innovative shield, we yielded our customer an annual cost savings of $800,000.


Progressive Die Stamping Project Highlights

Product Description This Conductive Shield replaces costly conductive paint operations previously used for cell phones.
Capabilities Applied/Processes Progressive Die Stamping
Part Washing
  • Removes Oils & Residue
Equipment Used to Manufacture Part Minster Press
  • 150 Ton
  • 8 Stations
Overall Part Dimensions
Material Thickness: .007"
Length: 6.00"
Width: 2.75"
Height: .125"
Tightest Tolerances ±.0005"
Material Used Nickel Silver
Features Engineered Cost Savings to Eliminate Plating Operation
In Process Testing/Inspection Performed
In-Process Real-time SPC of Critical Dimensions
CMM Measurement
Micro Vue Vision Measurement
Salt Spray Testing
Dimensional Results Reporting
Control Plan
Process Flow Diagram
Failure Mode and Effects Analysis (FMEA)
Gage Repeatability and Reproducibility Variable Data Report
Raw Material Chemical Composition Results
MSDS - Material Safety & Data Report / Substances and Materials
Estimated Part Weight .032 lbs
Industry for Use Electronics
Cellular Telephone
Volume 1,600,000 Pieces
Packaging Custom Thermal Formed Plastic Trays
Lead Time Tooling: 5 Weeks
Production Parts: 2 Weeks
Delivery Location Illinois
Standards Met Customer supplied print, 2D CAD Drawing
Product Name Cell Phone Conductive Shield

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