Stamping of a Brass Palladium Plated Leadframe Insert for the Automotive Industry

A customer in the automotive industry needed a brass leadframe insert for an automotive transmission control unit. At G&M Manufacturing, our unique mix of stamping and secondary operations were the right mix for this project. Initially we used our 60 ton capacity Bruderer straight side press to stamps the brass leadframe. We used half hard temper C260 brass with a thickness of .02". The overall part dimensions were 4.3" long, 2.2" wide and .15" high and kept within a ±.001" tolerance which was required for the subsequent insert molding process. An X-ray machine was used to verify the thickness of the palladium. Per the customer’s specifications the leadframe insert was finished with palladium plating over a nickel undercoat. We also conducted OGP vision system inspection for our 400,000 annually fabricated parts. This project features our unique stamping and plating capabilities for high volume projects.

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Stamping of a Brass Palladium Plated Leadframe Insert Project Details

Product Description
Terminal and leadframe set for automotive transmission control unit. Palladium plating is for wire bonding that occurs in a downstream process.
Capabilities Applied/Processes
Primary:
  • Progressive Drawn Stamping

Secondary:
  • Degreasing
Equipment Used to Manufacture Part
60 ton Bruderer straight side press, vapor degreaser
Overall Part Dimensions
4.300" long 2.200" wide 0.150" high
Tightest Tolerances
± 0.001"
Material Used
C260 Brass (half hard temper)
  • Thickness: 0.0200"
Material Finish
Selective Palladium Plated over nickel undercoat
In process testing/inspection performed
X-ray Machine (Palladium thickness)
OGP vision system
Industry for Use
Automotive Industry
Volume
400,000 Annually
Delivery Location
Midwest, USA
Standards Met
Customer Specifications, CAD Drawing
Product Name
Leadframe Insert
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