Powder clutch WL13472A

electromagneticmagneticfor tension control

Product Overview
A magnet powder clutch is an electromagnetic torque-control device that uses magnetic powder enclosed in the clutch housing to transmit torque between input and output shafts. When current flows through the coil a magnetic field forms and causes the powder to bind, enabling precise torque transmission. Torque is adjusted accurately by varying the coil current.

Main Features
The WL13472A offers variable torque control via coil current regulation, smooth engagement with minimal shock and vibration, fast response suitable for high-speed automatic systems and tension-control lines, long operational life, consistent continuous operation, effective heat dissipation, low noise and compact footprint.

Design & Components
Typical construction includes an electromagnetic coil, rotor assembly, magnetic powder chamber, bearings, heat-dissipation path and input/output shafts. The unit is flange-fixed and operates in a power-on-to-hold mode. Materials and cooling have been selected to support repeated cycling and stable torque output.

Industrial Applications

• Wire winding and unwinding systems for torque stability and product consistency.
• Printing machinery for paper-feed tension control and print accuracy.
• Packaging equipment requiring synchronized tension control.
• Textile machines for yarn tension regulation in spinning and weaving.
• Paper converting and film processing at high speeds.
• Production lines for cables, batteries, labels and various automated machines.

Advantages

• Accurate torque control through current adjustment.
• Smooth, shock‑reduced engagement for sensitive processes.
• Fast response suitable for synchronization and automation.
• Compact design, straightforward installation and continuous-duty capability.
• Durable operation with low acoustic emission and repeatable torque behavior.

Disadvantages

• Heat generation under continuous high-load operation; auxiliary cooling may be required.
• Magnetic powder can wear over time, which may reduce torque and require maintenance or replenishment.
• Higher acquisition cost versus simple friction clutches.
• Incorrect sizing (torque range, duty cycle, speed) reduces efficiency and component life.

Safety Notes & Handling
Magnetic powder and similar metal powders can present fire and dust hazards. Do not use water on metal-powder fires; use Class D dry powder or sand where appropriate. Avoid dust accumulation and ignition sources; use non‑sparking tools if required. Store powder to minimize dust dispersion and follow local regulations. Use appropriate PPE (eye protection, respirator and flame-resistant clothing) when handling powder or residues.

Technical specifications

• Model: WL13472A
• Brand: Weilong Technology
• Rated Voltage: DC 24 V
• Rated Power: 12 W
• Operating mode: Power-on-to-hold
• Holding force (specified): 0.6 kg (non-excitation holding force: 0)
• Reset time: 0.3 s on / 0.3 s off
• Service life: ~100,000 cycles
• Certifications: CE, RoHS, ISO9001
• Housing material: Carbon steel with Teflon plating
• Lead wire length: 200 mm
• Mounting: Adjustable screw / flange fixed type
• Dimension tolerance: +/- 0.1 mm
• Operating temperature: -10°C to 100°C
• Insulation class: F (155°C)
• Dielectric test: AC 600V 50/60Hz 2s
• Non-excitation holding force: 0
• Duty cycle: 1–100%
• MOQ: 1000 pcs; Supply ability ~5000 pcs/week; Lead time ~30 days
• Payment terms: TT or LC at sight
• Warranty: 1 year
• Port of loading: Shenzhen