Description
HS Magnet’s Alnico 5 square magnet (65 × 32.5 × 20 mm) is engineered specifically for electro-permanent chuck (E-P chuck) systems. Crafted from premium Alnico 5 alloy, this magnet delivers a stable magnetic field, excellent temperature resilience and repeatable on/off performance—critical for reliable workholding in machining and automation.
Key Features
- Material & Grade
• Alnico 5 (Al–Ni–Co alloy)
• Remanence (Br): ~1.25 T
• Maximum energy product (BHₘₐₓ): ~5.5–7.0 MGOe
• Coercivity (Hcj): ~30 kA/m
• Operating temperature up to 540 °C - Dimensions & Tolerances
• Length: 65 mm
• Width: 32.5 mm
• Thickness: 20 mm
• Standard tolerance: ±0.1 mm (tighter tolerances available on request) - Magnetization Options
• Through-thickness (flat faces N/S) for uniform field strength
• Custom multi-pole or segmented patterns to optimize E-P chuck performance - Surface Finish & Coatings
• Natural Alnico finish
• Optional coatings: epoxy, nickel, zinc or passivation for corrosion resistance - Custom Fabrication
• CNC-machined holes, slots, chamfers and special contours
• Prototyping to large-volume production
• Integrated assembly and magnetization services
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