Services & Capabilities Cold Forging / Forming of Rivets, Fasteners & Microprecision Parts Metal Part Forming Simulation Modeling CapabilitiesProject Showcase Fabricated Low Carbon Steel Delay Core for the Electronics Industry Engineering of a Kovar Weld Stud for the Glass Seal Industry Cold Heading of a Large Headed Rivet in Brass for the Telecommunications Industry Cold Heading of a Stainless Steel Adjusting Screw for the Water Sprinkler Industry Cold Heading of a Brass Split Terminal Pin for the Electronic Connector Industry Cold Heading of Automotive Power Seat Transmissions

Cold Heading of a Large Headed Rivet in Brass for the Telecommunications Industry

Cold Heading of a Large Headed Rivet in Brass for the Telecommunications Industry

C&L Rivet was recently contracted to convert a large headed screw machine product to shank ratio through a cold headed process, a cost savings move by the customer. In addition to the cost benefit, the newer process would produce a better performing rivet. This rivet is used in a telecommunications application, as a stop mechanism in mechanical circuit breakers. We designed and co-engineered the necessary tooling and specifics of the new process, maintaining the guidelines for proper dimensioning and tolerance as set by GD&T. 

Production was carried out at our ISO 9001:2008 certified facility, where we used our 2 die 3 blow cold header to transform 0.0950" diameter round wire brass to the specified shape, holding a tight ± 0.0010" tolerances. Finished dimensions were 0.4980" long, with an outer diameter of 0.1250". This product was custom packaged at 10,000 pieces per bag, and shipped to Mexico, China, and areas within the USA. We maintain a yearly shipping schedule of 5 - 10 million parts for this rivet. Typical turnaround time for a project of this magnitude is 6 weeks. For more information about this cold heading project or our other manufacturing capabilities, please see the table below or contact us directly. 

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Cold Heading of a Brass Large Head Rivet Project Highlights

Product Description This rivet is used in mechanical circuit breakers as a stop mechanism when breakers trip.
Capabilities Applied/Processes
Primary:
Co-Engineering/Tooling Design
Cold Heading
Secondary:
Custom Packaging (10,000 pcs/bag)
Equipment Used to Manufacture Part 2 Die 3 Blow Cold Header
Overall Part Dimensions Length: 0.4980"
OD: Ø 0.1250"
Tightest Tolerances ± 0.001"
Material Used Brass
Thickness: Ø 0.095" round wire
Material Finish Copper Plated
In process testing/inspection performed Dimensional Inspection, Visual Inspection
Statistical Process Control (SPC) All Critical Dimensions
Industry for Use Telecommunications Industry
Electronic Industry
Volume 5 - 10 million per year
Delivery/Turnaround Time 6 Weeks First Release
Delivery Location Mexico
China
USA
Standards Met Customer Specifications
Product Name Shank Ratio
Why did you choose this project to show case? Screw machine conversion to cold heading with tight tolerance per GD&T

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