YRQ117 3 phase Asynchronous Foot-mounted Motor

Brief Introduction

The YRQ117-8 from Xi'an SIMO Motor represents a robust 80kW foot-mounted motor, meticulously engineered for the most demanding industrial applications. Its core design philosophy centers on providing exceptional control over starting and speed characteristics, addressing a critical need in heavy-industry sectors. Unlike standard cage motors, its defining feature is the accessible rotor winding, which allows for the connection of external resistance banks. This enables a smooth, high-torque start by effectively managing inrush current and provides a reliable method for adjustable speed operation, making it an indispensable solution for driving high-inertia loads.

Design & Engineering Excellence

Constructed for unwavering reliability in continuous duty (S1), the motor is built upon a foundation of durable materials and advanced engineering. Both the stator and rotor windings are insulated with Class 155 (F) materials, ensuring exceptional thermal resilience and long service life under demanding operating conditions. Heat management is facilitated by an efficient IC (surface) cooling system, maintaining optimal operating temperatures. The mechanical integrity is supported by high-quality bearing sets-NU319ECM on the drive end and 6319/C3 on the non-drive end-ensuring stable, low-vibration operation. Housed in an IP20 enclosure with practical IM B3 foot mounting, it is designed for straightforward integration into industrial systems.

Performance & Application

At this foot-mounted motor rated 50Hz supply, the 8-pole design delivers a nominal speed of 725 rpm, offering the ideal balance of power and rotational force for heavy mechanical drives. This performance profile makes it the prime mover of choice for a wide array of critical equipment. Its ability to handle tough starts and variable load conditions is particularly valuable in applications such as material handling conveyors, large centrifugal pumps, industrial fans, crushers, and mixers. Here, its controlled acceleration minimizes mechanical stress on driven equipment, enhancing overall system longevity and reliability.

Compliance & Operational Assurance

The YRQ117-8 is engineered to operate reliably in standard industrial environments, rated for ambient temperatures up to 40°C and altitudes not exceeding 1000 meters. This foot-mounted motor carries the CE mark, affirming its compliance with essential European health, safety, and environmental requirements, and is manufactured in accordance with the GB/T 755 standard (harmonized with IEC 60034). Weighing 1090kg, its construction reflects a commitment to solidity and endurance. Produced with precise quality control, this motor embodies Xi'an SIMO Motor's dedication to providing powerful, adaptable, and dependable drive solutions for global industrial challenges.

Main Technical Parameters

Production Details

Frame

• Compact and robust iron casting frame

• Universal IEC and NEMA installation dimensions available

• Customizable outlook and dimensions

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Stator

• 99.9% pure copper winding for stator to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

• All the windings are fitted in by handwork to ensure all slots are full and avoid any winding flaw.

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Rotor

• Aluminum casting rotor with high quality silicon steel rotor core to assure induction efficiency

• Well and precisely machined shafts with good capacity of strength and toughness

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Applications

Cement

Power station

Steel

Sugar

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