Rotating magnetic field magnet DXWD series

Product overview: The DXWD series laboratory electromagnet is a closed magnetic-circuit device that produces a controllable magnetic field between two poles by energizing a coil. Available as adjustable-air-gap dipoles and in variants for horizontal, vertical or rotatable operation, the series supports optional water cooling and modular accessories for integration with test equipment.

Working principle: The device comprises coil windings, yoke, iron poles and pole faces. Energizing the coil generates magnetic flux concentrated through the iron parts and across the air gap; varying the excitation current or the air gap produces a controllable field in the pole region.

Main components:

• Air gap: spacing between poles where the magnetic field is established.
• Pole cap (pole face): shapes the field and provides the working surface.
• Coil: excitation winding assembly (series/parallel configurations possible).
• Yoke: magnetic return path that guides flux.
• Adjusting handle: mechanical mechanism to set/adjust the air gap.
• Terminal: electrical connections for power and winding configuration.
• Inlet/outlet pipe: fittings for optional water-cooling circulation.
• Chassis: table or fixed mounting base as accessory.

Applications:

• Hall-effect measurements and magnetic characterization
• Magnetoresistance and magnetostriction studies
• Torque and force magnetometry
• Vibrating Sample Magnetometer (VSM) systems and magnetic-material testing
• Magneto-optical experiments and microscope/probe-station setups (clamp-type or customized designs)

Precautions:

• Use a power supply that matches the rated voltage and current for the selected model; incorrect supply can damage the device.
• Maintain stable excitation current; excessive current can overheat or damage the coil.
• Provide adequate heat dissipation; for prolonged high-current operation use active cooling (water cooling available).
• Keep a safe distance from strong magnetic fields and avoid placing ferromagnetic objects near the poles.
• Where nearby equipment is magnetically sensitive, implement shielding to prevent interference.
• Handle carefully during transport and install on a stable support with correct electrical and cooling connections.
• Perform periodic inspections of wiring, coils and cooling circuits.
• Avoid use in humid, corrosive or flammable environments.

Troubleshooting:

• No measurable field after energizing: check for open circuit, verify power-supply current, measure coil DC resistance and verify gaussmeter operation.
• Field lower than expected: verify winding configuration, power-supply current accuracy, air gap setting and pole-head selection (FeCo pole heads may be required for higher fields).
• Current not reaching set value at high field: check for coil overheating (measure surface temperature and DC resistance) and allow cooling before continuing.
• Electric or water leakage: inspect windings and cooling pipes and report internal faults to maintenance.

Examples & product variants:

• DXWD Adjustable Air Gap Dipole Electromagnet (DXWD series) — horizontal dipole with wide working area for integration.
• DXSB Double-Yoke Double-Tuning Adjustable Air Gap Electromagnet — closed yoke, horizontal field, 45° support for sample access.
• DXSBV Vertical Variable Air Gap Electromagnet — vertical orientation with sample located beneath pole face.
• DXXZ Rotating Laboratory Electromagnet — 360° field rotation; optional stepper control, programmable rotation with ~0.1° resolution.
• DXEG Clamp Laboratory Electromagnet — clamp-type for space-limited or microscope-compatible applications.
• Multipolar (DXDJ), fixed-gap (DXSG), AC-field and custom designs available; most products are configurable to customer requirements.

Technical specifications (representative examples):

• Series designation: DXWD series.
• Representative model examples:
  • DXWD-50 — Pole diameter: Φ50 mm; air gap range example: 0–80 mm; example air gap: 10 mm; maximum field: ~0.9 T; power: ~0.3 kW.
  • DXWD-80 — Pole diameter: Φ80 mm; air gap range: 0–80 mm; example air gap: 20 mm; maximum field: ~1.1 T; power: ~1.2 kW.
  • DXWD-100 — Pole diameter: Φ100 mm; air gap range: 0–80 mm; pole face variants Φ60/Φ100; maximum field up to ~1.8 T (model/air gap dependent); power: ~1.6 kW.
  • DXWD-130 — Pole diameter: Φ130 mm; air gap range up to 0–100 mm; maximum field examples up to ~2.3 T; power: ~3.0 kW.
  • Larger models (DXWD-175 to DXWD-380) — increased pole diameters and air-gap ranges, with higher power ratings (examples up to ~20 kW); refer to model-specific data for exact values.
• Cooling: optional water-cooling for prolonged high-current operation.
• Pole materials: FeCo pole heads available for improved field concentration.
• Mounting & accessories: mounting chassis, rotation and translation stages, temperature controllers and custom mechanical fixtures per requirements.