Relay Armature Pure Iron Plate
Products Description
Product Name: Relay Armature Pure Iron Plate
Product Category: Magnetic Stamping Parts / Electromagnet Core Structural Components
Main Material: High-purity electrical pure iron (Pure Iron, Fe≥99.8%)
Forming Process: High-speed precision stamping + stress-relief annealing + surface rust prevention treatment
Main Applications: Various electromagnetic relays, automotive relays, solenoid valves, contactors, industrial control modules, etc.
Core Features:
High Magnetic Permeability: Pure iron material exhibits extremely low hysteresis loss and high response speed in a magnetic field.
Ultra Low Carbon Content: Ensures stable magnetic performance and prevents hysteresis attenuation.
Excellent Flatness: The stamped surface is uniform and smooth, facilitating assembly and magnetic circuit fit.
Stress Relief Stability: Annealing treatment eliminates residual stamping stress, improving operational stability.
High Dimensional Consistency: Strict control of stamping die precision and stroke error ensures high batch consistency.
Technical Features
| Item | Technical Parameters / Characteristic Description |
| Material Type | High-purity iron (Fe ≥ 99.8%) |
| Processing Technology | Precision stamping + vacuum annealing + surface treatment |
| Flatness | ≤ 0.02 mm |
| Magnetic permeability | More than 30% higher than ordinary low-carbon steel |
| Coercivity | Less than 40 A/m |
| Surface Roughness | Ra ≤ 0.8 |
| Applicable Temperature Range | -40℃ ~ 180℃ |
Application Advantages and Customer Value
Improved Relay Response Speed
The high permeability of pure iron results in faster engagement time, more sensitive response, and reduced energy consumption.
01
Extended Product Lifespan
Low residual stress and excellent fatigue resistance ensure stable performance over millions of operating cycles.
02
Reduced System Energy Consumption
High flux efficiency reduces coil power consumption, enabling green and energy-saving design.
03
Improved Product Consistency and Assembly Efficiency
Precision stamping ensures consistent dimensions, reduces assembly tolerance accumulation, and improves relay yield.
04
Customized Design Support
OEM/ODM services are available based on the customer's magnetic circuit design, shape, thickness, and assembly method.
05
Design Advantages
Function-Driven Design
Magnetic Circuit Priority Principle: The design of all geometric features prioritizes building the optimal magnetic circuit, followed by meeting mechanical assembly and motion requirements.
Lightweight and Rigidity in Balance: Through topology optimization algorithms, sufficient material is retained in critical force transmission paths, while non-critical areas are eliminated as much as possible, achieving a clear "skeleton."
Stress Streamline Design: Large rounded corners and streamlined designs are used at bends and transitions to guide a smooth stress transition and avoid stress concentration.
Manufacturability and Reliability Integration
Stamping-Friendly Features: The design of all holes, slots, and bending radii considers material limits and die life, ensuring stability and economy in mass production.
Redundant Design: Appropriate safety factors are added to critical stress areas to cope with material fluctuations and unexpected operating conditions, improving overall product reliability.
Shortest Tolerance Chain: Through integrated design, assembly steps are reduced, shortening the dimensional tolerance chain and fundamentally improving accuracy.
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