What is the Iron Armature for EV Relay?
Iron Armature for EV Relay is a precision-stamped pure iron component used in the electromagnetic actuator of electric vehicle relays and high-voltage DC contactors. Its mounting features, working-face geometry, thickness and flatness must match the mating yoke, coil assembly and mechanical travel to avoid fitting problems during production. Drawing-based tooling development and dimensional inspection help align the component with existing assembly references and customer-defined tolerances. Factory production can be specified around approved drawings, sample validation requirements and forecast order volumes.
Working Environment Performance of Movable Armature Plate for EV Relay
Thermal Endurance
Operates continuously across temperature extremes from -40°C to +125°C without thermal degradation of soft magnetic properties or structural warping, matching automotive-grade under-hood ambient conditions.
Vibration & Mechanical Shock
Engineered structural rigidity resists vibration profiles up to 20 G (10 - 2000 Hz) per IEC 60068-2-6 standard, preventing accidental contact bounce or false tripping in heavy-duty electric vehicle power electronics.
Moisture & Environmental Corrosion
Electroplated trivalent zinc or nickel layers pass rigid atmospheric humidity tests (40°C, 92% RH for 240 hours), shielding raw soft iron substrate against oxidative degradation, fretting corrosion, and ambient particulate accumulation.
Quality Inspection Procedures of Precision Stamped EV Relay Armature
Incoming Material Verification
Material verification should establish that the supplied iron grade matches the approved specification. Depending on the purchasing agreement, records may include a material certificate, batch identification and chemical composition data.
01
Dimensional Inspection
Dimensional checks should cover the drawing-defined critical features, including thickness, mounting-hole positions, overall profile, and flatness where specified. Inspection equipment and reference datums should be suitable for the required tolerances.
02
Surface and Burr Inspection
Visual or dimensional inspection should identify sharp edges, excessive burrs, handling damage, visible oxidation and defects on functional surfaces. Acceptance criteria should identify the locations and limits that affect assembly or function.
03
Batch Traceability and Nonconformance Control
The quality plan should define batch identification, inspection records, sampling frequency and the process for handling nonconforming parts. Material substitutions, tooling modifications and process changes should follow an agreed approval procedure.
04
Custom & Order Information of Precision Relay Armature
| Ordering Parameter | Factory Options / Standard Specification |
|---|---|
| Base Material Options | DT4C Pure Iron, DT4E |
| Customization Capabilities | Custom bending angles, coining features, rivet holes, special platings |
| Prototyping Lead Time | 10 to 15 Working Days (including CNC soft-tooling) |
| Mass Production Lead Time | 10 to 15 Working Days for standard production runs |
| Packaging Protocol | Vacuum-sealed with desiccant in anti-static ESD trays, inner carton, fumigated pallet |
| Minimum Order Quantity (MOQ) | 1,000 Pieces for custom tooling runs |
Directly source high-precision Iron Armature for EV Relay from our automated stamping lines to streamline your high-voltage DC contactor production-request your custom technical quotation and sample kit today.
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