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Home - Solutions/Application - Long-life Solutions for Automatic Towel Dispensers: Overcoming the Maintenance Burden of Brushed Motors

Long-life Solutions for Automatic Towel Dispensers: Overcoming the Maintenance Burden of Brushed Motors

April 1, 2026

In high-traffic public areas like airports and hospitals, Automatic Towel Dispensers are essential. However, operators often face frequent equipment failure. Data suggests that over 70% of drive failures stem from the brush wear of internal DC motors.

1. The Maintenance Burden

Traditional dispensers often utilize low-cost brushed motors. These rely on physical contact between carbon brushes and commutators, leading to carbon dust accumulation and a short lifespan (often only a few hundred hours). This necessitates frequent, costly replacements.

2. BLDC Solution: The BL2418 Advantage

By switching to the BL2418 series (24.4mm), manufacturers can eliminate mechanical wear entirely.

  • Non-contact Operation: Electronic commutation replaces physical brushes, extending the motor's operational life multi-fold.

  • Compact Form Factor: The 24.4mm diameter allows for seamless integration into existing dispenser chassis without expensive re-tooling.
    Long-life Solutions for Automatic Towel Dispensers: Overcoming the Maintenance Burden of Brushed Motors

3. Critical Parameters for Engineers

When selecting a drive solution, the following technical specs are vital:

  • Voltage Range: Support for DC 3V-24V makes it compatible with both battery-operated and plug-in models.

  • Internal Driver: Reduces the footprint of external circuitry and minimizes EMI, preventing false triggers of infrared sensors.

  • Reliability: The brushless design ensures the dispenser remains maintenance-free for years, even in the busiest environments.