What are the Metal Copper Stamping Bracket Parts?
Metal Copper Stamping Bracket Parts combine mechanical mounting support with an electrical conduction path in a single stamped copper component. Unlike a standalone spring contact, which is designed primarily for elastic movement, or a flat copper contact, which mainly carries current, a stamped bracket can locate components, maintain assembly geometry and conduct current through designated contact areas. Custom copper bracket manufacturing supports OEM assemblies for relay housings, smart-meter electrical modules, low-voltage control equipment and communication hardware, with material selection, forming features and inspection requirements defined by the application drawing.
Technical Specifications & Materials of Copper Stamping Contact For Electrical Switch
| Parameter / Property | Technical Specification (C1100 ETP) |
|---|---|
| Nominal Composition | Cu ≥ 99.90%, O 0.02–0.04% |
| Electrical Conductivity | ≥ 98% IACS (unplated) |
| Tensile Strength | 245–340 MPa |
| Vickers Hardness (HV) | 80–110 HV (H02 temper) |
| Bending Radius (90°) | 1.0 × Thickness (transverse) |
| Plating Options | Pure Tin (Electroplated), Silver, Nickel |
| Salt Spray Resistance | ≥ 96 hours (Neutral Salt Spray) |
| Contact Resistance | ≤ 0.8 mΩ (Silver-plated surface) |
Working Principle & Manufacturing Process of Elctrical Contact Copper Metal Stamping Terminal
Double Function: Structural Support + Electrical Conduction
Unlike standard structural steel mounts or thin spring contact leaves, these heavy-gauge metal copper stamping bracket parts serve a dual purpose within electrical equipment assemblies:
Rigid Frame Anchor: The bracket mechanically anchors internal coil assemblies, arc chutes, and terminal blocks to the outer housing shell using threaded mounting holes or integrated rivet studs.
Current-Carrying Path: It directly routes continuous power currents up to 250 A between external busbar terminals and internal switching contacts, eliminating extra wire leads, solder joints, and assembly hardware.
Precision Stamping Fabrication Workflow
Raw copper strip coil feeds through automated straighteners into continuous multi-station progressive dies. High-speed mechanical presses handle piercing, notch-forming, edge-embossing, and compound 90° bending in a single automated stroke sequence. After stamping, parts pass through inline degreasing to remove drawing lubricants before entering chemical deburring and electroplating baths. Final quality gates utilize 3D coordinate measuring machines (CMM) and cross-sectional coating thickness gauges prior to bulk tape-and-reel or tray packaging.
Typical Application Industries of Copper Sheet Stamping
| Downstream Application Industry | Specific Equipment & Subsystem | Primary Functional Requirement |
|---|---|---|
| Smart Grid & Metering | 120A Smart Meter Latching Relays | Zero magnetic influence, tight tolerance on terminal pin alignment |
| Automotive & EV | 800V HVDC Power Distribution Units (PDU) | Vibration resistance, high thermal dissipation under continuous load |
| Industrial Low-Voltage | Molded Case Circuit Breakers (MCCB) | High yield strength against electrodynamic fault currents |
| Renewable Energy | Solar Inverter DC Isolation Switches | Low contact resistance, corrosion protection in outdoor enclosures |
Contact our engineering team today to review your 2D/3D CAD drawings and receive a detailed factory-direct quote for custom Metal Copper Stamping Bracket Parts.
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