Custom Square Permanent Magnetic Chuck - Efficient Workholding for Industrial Machining
For manufacturers and OEMs seeking reliable workholding, our custom square permanent magnetic chuck puts together precision engineering and simplified use. Designed for clamping ferromagnetic workpieces during milling, grinding, CNC machining and other metal‑working operations, this chuck delivers consistency, durability and ease of integration.
Key Specifications

- Magnetic strength: ≥ 1.2 Tesla (typical)
- Switching response: < 1 second (for electro‑permanent variants)
- Compatible materials: Ferromagnetic metals (e.g., steel)
- Protection rating: IP54 (for dust & water resistance)
- Working temperature: ‑10 °C to +50 °C (standard)
- Model series & pole sizes (example): 50 × 50 mm pole size with 380 kg per pole; 75 × 75 mm = 750 kg per pole.
- Thickness of plate, depth of magnetic flux, standard voltages and input current listed for each series.
- Customization available: dimensions, pole pitch, control units, voltage variants, multi‑section configurations.
Why It Works for B2B Buyers
- Tailored dimensions: As a trusted industrial permanent magnetic chuck supplier, we customize each square chuck based on your workpiece size and machine specification.
- No continuous energy draw: Our permanent magnetic option maintains clamp force without constant power-reducing heat generation and power cost.
- Consistency across production: Whether you order one or dozens, we deliver with standardized tolerance and documented inspection - supporting your procurement and quality systems.
- Reduced set‑up time: With uniform clamping force and full surface contact, work‑piece distortion and vibration are minimized, which translates into improved machining quality and tool life.
- Large‑scale orders supported: We accommodate bulk magnetic chuck orders for machine tool builders or production lines, with lead‑time planning and batch traceability.


Typical Applications

- 5‑side machining of large castings or fabrications - one setup covers multiple faces.
- High‑precision grinding or milling operations where surface finish and parallelism matter.
- Automated manufacturing lines with pallet change systems needing quick‑release and repositioning.
- Retrofit or custom machine tool builders looking for specialized workholding systems.
How to Procure & Customize
- Provide your work‑piece dimensions, machine table size, required holding force and machining process.
- We supply a recommended configuration and sample drawings for your approval.
- Upon approval, we build pilot units or full production units, with inspection data and factory testing.
- For repeat orders, we maintain consistent manufacturing batches and can supply spare parts or service support.


EP50 Magnetic Chuck

EP75 Magnetic Chuck
|
Model |
50 Series |
75 Series |
|
Pole size |
50x50mm |
75X75mm |
|
Magnetic force of each pole |
380kgs |
750kgs |
|
Thickness of each plate |
53mm※ |
53mm※ |
|
Max. working temperature |
70°C※ |
70°C※ |
|
Depth of magnetic fluex |
12mm |
18mm |
|
Standard voltages |
220V 380V 50/60Hz |
220V 380V 50/60Hz |
|
Electrical input |
≤60A |
≤60A |
EP75(75X75 Magnetic poles) Series Customary Units:


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