What are Riveted Electrical Connection Components?
Riveted Electrical Connection Components combine a formed beryllium copper spring base with mechanically riveted electrical contact elements for relay armatures and compact switching mechanisms. Beryllium copper provides a combination of electrical conductivity, elastic recovery and mechanical strength after appropriate heat treatment. The contact section can use high-conductivity silver alloy or copper alloy, with gold or silver plating specified according to the electrical interface requirements. The assembly is manufactured through precision metal stamping, component positioning and controlled riveting. Custom configurations are available for relay moving springs, electromagnetic armature assemblies, automotive relay mechanisms and low-voltage control devices. Production parameters can be defined against customer drawings, contact dimensions, spring geometry and assembly requirements.
Material Advantages of Beryllium Copper
Alloy C17200 Precipitation Hardening Response
Precipitation-hardenable copper-beryllium alloy C17200 achieves ultimate tensile strengths exceeding 1200 MPa following solution annealing and thermal aging. This metallurgical behavior delivers exceptional spring-back resistance and stress relaxation suppression during continuous elevated-temperature operations.
Thermal and Electrical Synergy
Maintaining a balanced thermal conductivity alongside high yield strength prevents localized overheating at high-current junction interfaces. This property minimizes thermal expansion mismatch between the stamped base metal and silver alloy contact tips during heavy switching loads.
Fatigue Resistance Under Cyclic Deflection
The microscopic crystalline structure of aged beryllium copper absorbs high-frequency mechanical impact without micro-cracking. This characteristic ensures millions of trouble-free actuation cycles in sensitive relay armaments and industrial contactor mechanisms.
Our Fully-Automatic Riveting Process of In-Die Electrical Riveting Contacts
High-Speed Precision Feeding Systems
Vibratory bowl feeders orient miniature silver contact rivets and stamped metal bases with micron-level positional repeatability before mechanical insertion. Optical sensors verify orientation to eliminate missing or misaligned rivet defects.
Mechanical Interlock and Cold Heading
Hydraulic and servo-driven presses apply controlled axial tonnage to deform the rivet shank, forming a permanent mechanical interlock with the stamped carrier strip. This cold-working method eliminates thermal distortion and preserves the underlying alloy temper.
Inline Force and Vision Inspection
Integrated load cells monitor insertion tonnage in real-time, instantly rejecting out-of-tolerance assemblies. Automated high-resolution machine vision systems simultaneously check surface finish, rivet head concentricity, and plating integrity.
Typical Application Scenarios of Electrical In-Die Riveted Connections
Relay Moving Spring and Armature Assemblies
Riveted electrical connection components can be integrated into relay moving springs and armature mechanisms. The BeCu substrate provides the spring structure, while the riveted contact forms the electrical switching interface.
Smart Meter Latching Relays
In smart meter latching relays, the spring assembly participates in the mechanical movement and contact positioning of the switching mechanism.
Automotive Relay Switching Mechanisms
Automotive relay assemblies may use BeCu stamped spring components with riveted contact elements for switching and control circuits.
Low-Voltage Control and Industrial Relay Assemblies
Low-voltage control relays and compact industrial switching devices can use riveted spring-contact assemblies where a stamped elastic substrate and mechanically fixed contacts are required.
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