KDS Gearless Traction Machine | WJC-E MR Passenger Elevator

Specifications:

Parameter Specification
Speed Range 1.0-2.5 m/s
Rated Load 320–2500 kg
Power Range 2.1–16.6 kW
Voltage 3P 340V±10% 50/60Hz
Description

Description

KDS Gearless Traction Machine |WJC-E MR Passenger Elevator

KDS Gearless Traction Machine, the advanced Permanent Magnet Synchronous Motor (PMSM) drive system engineered to deliver superior efficiency, reliability, and performance for modern elevator applications. This state-of-the-art gearless traction machine represents a significant leap in vertical transportation technology, designed to meet the rigorous demands of both new installations and modernization projects. By eliminating the traditional gearbox and utilizing direct-drive permanent magnet technology, the KDS machine provides unparalleled energy savings, whisper-quiet operation, and exceptionally smooth rides. Its versatile design allows for seamless integration into Machine Room (MR) and Machine Room-Less (MRL) configurations, making it the intelligent and robust core for commercial high-rises, residential complexes, and institutional buildings seeking optimal lifecycle value and sustainable operation.

The engineering excellence of the KDS Gearless Traction Machine is founded on its innovative direct-drive permanent magnet synchronous technology. This design completely removes the conventional worm gear assembly, thereby eradicating a major source of mechanical energy loss, audible noise, and vibration. The result is a traction system that operates with remarkable quietness and delivers a ride quality of exceptional smoothness. Passengers benefit from flawless acceleration and deceleration profiles, along with precise floor-leveling accuracy, creating a comfortable and premium elevator experience. This mechanical simplification is not merely an enhancement but a fundamental improvement that extends the system’s operational lifespan while drastically reducing routine maintenance needs.

 

Dimensions:

KDS Gearless Traction Machine Dimensions

 

Technical Specifications:

KDS Gearless Traction Machine Technical Specifications:

 

Operational efficiency and economic performance are central to the machine’s design philosophy. The KDS gearless system achieves peak electro-mechanical efficiencies, often exceeding 90%, which can reduce an elevator’s hoisting energy consumption by 40 to 50% compared to traditional geared systems. This dramatic reduction directly lowers a building’s operational expenses and carbon footprint. When integrated with a regenerative drive, the machine captures kinetic energy during braking cycles and converts it into clean, reusable AC power, feeding it back into the building’s electrical grid. This capability not only maximizes energy savings but also supports compliance with leading international green building standards, such as LEED and BREEAM, positioning it as a cornerstone of sustainable building design.

From a reliability and total cost of ownership perspective, the gearless architecture offers transformative long-term advantages. The removal of gears, gear oil, and associated wear components fundamentally reduces maintenance requirements. This leads to significantly lower lifetime servicing costs, exceptional system uptime, and an extended operational lifespan that protects the building owner’s investment. Engineered for durability and consistent performance under demanding duty cycles, the KDS machine is a trusted choice for mission-critical applications where performance cannot be compromised, including corporate towers, hospitals, hotels, and high-traffic residential buildings. Its robust construction ensures dependable service for decades.

The application versatility of the KDS Gearless Traction Machine is a key strength, showcasing thoughtful and adaptive engineering. Its compact and efficient form factor makes it ideal for space-saving MRL installations, freeing valuable building area for revenue-generating or functional purposes. Simultaneously, its powerful performance profile and service-accessible design make it an excellent choice for traditional machine room applications. This dual-configuration capability ensures it meets the precise demands of any project, from modernizing existing structures to serving as the core technology in new, intelligent buildings. Its inherent compatibility with modern digital control systems facilitates smart building integration, enabling IoT connectivity for remote monitoring, predictive maintenance analytics, and optimized traffic management.

Choosing the KDS Gearless Traction Machine is a strategic investment in performance, sustainability, and operational excellence. It delivers measurable returns through significant energy savings, minimal maintenance, and superior passenger satisfaction. It stands as a reliable, high-performance heart for a world-class vertical transportation system.

Key Features & Benefits:

  • Gearless Permanent Magnet Technology: Delivers maximum energy efficiency, superior torque control, and silent, direct-drive operation for smooth rides.

  • Exceptional Energy Savings: Reduces hoisting energy consumption by 40-50% with full regenerative drive compatibility for sustainable operation.

  • Low Maintenance & High Reliability: Gearless, oil-free design minimizes routine upkeep, lowers lifetime costs, and ensures maximum system uptime.

  • Compact & Versatile Design: Suitable for both space-saving Machine Room-Less (MRL) and traditional Machine Room (MR) installations.

  • Advanced Control Integration: Compatible with modern digital systems for smart building features, remote monitoring, and predictive maintenance.

  • Durable Construction: Engineered for long-term, dependable performance in a wide range of commercial and residential applications.