What is the Iron Core Armature for EV Relays?
The Iron Core Armature for EV Relays is a precision-formed magnetic component that converts coil-generated magnetic force into mechanical movement in high-voltage DC contactors and automotive relays. Procurement engineers need to control material grade, magnetic contact-face geometry, working air gap, and dimensional consistency because these factors affect pull-in and release behavior. Custom pure iron armatures can be developed from approved drawings and samples, with stamping, inspection, and production planning coordinated around the customer's assembly requirements.
Technical Specifications & Materials of EV HVDC Contactor Bracket
| Parameter Dimension | Engineering Specification |
|---|---|
| Electrical Conductivity | ≥ 10.2 %IACS |
| Coercivity | ≤ 32 A/m (0.4 Oe) |
| Maximum Permeability | ≥ 1.8 × 10⁻² H/m |
| Hardness Level | 85 - 110 HV0.5 |
Production Workshop & Quality Control of Precision Stamped EV Relay Bracket
Advanced Equipment and Automation Technology
Production centers on high-speed precision presses ranging from 25 to 250 tons, fitted with servo feeders and sensor-monitored progressive dies. Automated optical sorting machines analyze 100% of critical dimensions and surface defects at speeds up to 350 parts per minute.
01
Strict Full-Link Quality Control
Raw DT4C coil stock undergoes initial spectrometer melt analysis and magnetic curve testing upon arrival. In-line laser micrometers track punch clearance continuously. Final inspections verify magnetic saturation, residual induction, and surface plating thickness via X-ray fluorescence (XRF).
02
Chemical Solutions
Our facility operates fully closed-loop solvent degreasing and wastewater neutralization systems. Plating lines comply strictly with global environmental directives, utilizing zero-hexavalent chromium passivation matrices to support sustainable OEM supply chains.
03
Tooling Maintenance & Lifespan Guarantee
All progressive dies are manufactured in-house using premium tungsten carbide inserts. Real-time tonnage monitoring detects punch wear early, ensuring tool maintenance occurs before burr height exceeds 0.02 mm over 5 million-cycle production runs.
04
Typical Applications and Magnetic Circuit Integration of Stamped Soft Iron Bracket
|
Application |
Armature Function | Main Engineering Considerations |
|---|---|---|
| EV High-Voltage DC Contactor | Moves under coil-generated magnetic force as part of the operating mechanism | Air gap, magnetic force, travel, release behavior |
| Automotive High-Voltage DC Relay | Transfers magnetic force into mechanical relay movement | Material grade, dimensional consistency, vibration environment |
| On-Board Charger DC Switching Relay | Supports electromagnetic actuation within the switching mechanism | Packaging, mating-face geometry, thermal environment |
| Battery Energy Storage DC Contactor | Functions as a moving magnetic element in DC switching equipment | Duty cycle, magnetic response, assembly tolerance |
contact us
If you are looking for a reliable solution for the core components of relays, please contact us immediately. We focus on the R&D and production of Iron Core Armature for EV Relays, with advanced production workshops, rich customization options, and high-quality after-sales service.
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