X91 Electro-Permanent Magnetic Chuck

The X91 is an electro-permanent magnetic chuck designed for high-precision clamping during CNC machining and milling. It provides strong, reliable workpiece holding with options for custom sizes and OEM/ODM/OBM support.

The X91 clamps ferromagnetic materials (iron, steel, cast iron) directly. Non-ferrous materials (aluminum, stainless grades with low permeability, brass, etc.) require a ferromagnetic backing plate or fixture to be held.

Rated holding force is 160 N/cm² (suction/holding pressure). Actual holding capacity depends on part material, surface finish, contact area and pole pitch.

Standard unit size: 240 mm × 480 mm × 110 mm. Packed size: 350 × 680 × 160 mm. Net weight: 65 kg.

The supplied specification lists DVC: 110 V and A: 2.3 A. As an electro-permanent device, it requires a short electrical pulse to switch ON/OFF; it does not require continuous power to maintain clamping once set.

Electro-permanent chucks use an electrical pulse to switch magnetic circuits between magnetized and demagnetized states. After the brief pulse, the magnetic state is maintained without continuous power, providing fail-safe holding during power loss.

Pole pitch is 55 mm (configured as 4+25+4+22 mm). Pole pitch affects contact conformity, clamping distribution and suitability for small/irregular parts — smaller pitch gives better conformity for small workpieces.

The X91 supports two installation options for presser foot and punch to secure thin or odd-shaped parts. Specific mounting details and hole patterns are customizable — provide your machine mounting requirements to the supplier.

Yes. The X91 is designed specifically for use in milling machines and CNC machining centers where stable, repeatable, high-precision clamping is required.

Yes. OEM, ODM and OBM customization are supported. Size and specification can be custom made — contact the manufacturer with drawings or requirements for a quote and lead time. MOQ is 1 set.

Each X91 chuck comes with a 1-year warranty. For warranty claims, spare parts, repairs or technical support, contact the supplier or distributor with the unit serial and purchase information.

Units are shipped in a wooden box; sea (ocean) transportation is offered for timely and cost-effective global delivery. Supply capacity is listed as 180 sets per month. For exact lead times and freight options, contact sales.

Keep the pole surface clean and free of chips, coolant and rust. Avoid heavy impacts or dropping the chuck. Inspect electrical connections and coil insulation periodically. If machining generates sparks or grinding, protect the pole face and follow safe demagnetization procedures prior to abrasive operations.

Coils use copper and aluminum wire. Replacement coils or repair services are available — contact the manufacturer or authorized service center for spare parts, repair instructions and authorized service procedures.

Disconnect the power supply before servicing. Ensure correct commissioning and grounding per machine/electrical codes. Keep ferromagnetic debris away from the pole face, use presser feet/punches for thin parts, and confirm workpiece stability before machining. For detailed safety guidance consult the manufacturer manual.