Progressive Stamping & Wire Forming of Steel Spring Loaded Bracket Assembly for the Automotive Industry
Working with a client in the automotive industry, Perfection Spring & Stamping Corp. developed a cost-effective solution to a problem with an existing trunk striker plate on a truck. The hinge system was experiencing unanticipated failures, so we used our progressive stamping, fourslide wire forming, and spring coiling capabilities to produce a better product using the original basic design. The essential mechanism on the new piece was a spring loaded pop-up striker plate, with a variable rate spring.
This compression spring was coiled from .075" thick music wire, to a length of 1.80". The base plate measured 5.5" x 3.0" x 3.0", and the wire form measured 7.0" in length. By using the original tooling, we were able to save our customer additional costs, over and above the cost savings of the new, more efficient part. The production run of 325,000 pieces was specially packaged on custom trays, and delivered to our customer in two locations: Michigan and Missouri for immediate integration with their automotive assembly operations.
Progressive Die Stamping Project Highlights
||This Steel Spring Loaded Pop-Up Striker Plate is used within an automotive trunk application
- Solve an Unanticipated Failure of Customer's Hinge System
Fourslide Wire Forming
|Equipment Used to Manufacture Part
Itaya CNC Forming Machine
Baird Fourslide 4-30
- Progressive Die
- Fourslide Tooling
- Coiling Tooling
|Overall Part Dimensions
Material Thickness: .085"
Material Thickness: .250"
Material Thickness: .075"
|Base Plate: Cold Rolled Steel
Wire Form: Hard Drawn Wire
|Compression Spring: Music Wire
||Black E-Coat (Electrodeposited Semi-Gloss Black Epoxy Paint)
|Estimated Part Weight
||Innovative Spring Loaded Pop-up Striker Plate
|In Process Testing/Inspection Performed
|In-Process Real-time SPC of Critical Dimensions
3x Life Cycle Testing
Strength Testing on Stakes
Dimensional Results Reporting
|Process Flow Diagram
Failure Mode and Effect Analysis (FMEA)
Reproducibility Variable Data Report
Raw Material Chemical Composition Results
MSDS-Material Safety & Data Report/Substances and Materials
|Industry for Use
||Special Pack on Custom Trays
Packaged Within Environmentally Friendly Recyclable Containers
||Tooling: 18 Weeks
Production Parts: 5 Weeks
||Customer supplied print, 2D CAD Drawing
||Spring Loaded Pop-Up Striker Plate for Car Trunk
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