Description
Elevator door motor YSMB7124 three-phase asynchronous AC motor Brief Introduction
|
Product Name |
Elevator door motor three-phase asynchronous AC motor |
| Model Number | YSMB7124 |
|
Quality
|
Original.Brand New
|
|
Payment
|
T/T. Paypal. Western Union
|
|
Delivery
|
3-5 Working Days
|
|
Packaging
|
Packed by carton
|
Elevator Door Motor YSMB7124: High-Performance Three-Phase Asynchronous AC Motor from Nanjing Zhuye Elevatorparts
The Elevator Door Motor YSMB7124, a dedicated three-phase asynchronous AC motor, serves as the core power unit for elevator door operator systems, delivering consistent, efficient, and reliable driving force for the opening and closing of elevator car doors and landing doors. Designed specifically for the frequent start-stop demands of elevator door systems, this three-phase asynchronous motor boasts excellent starting torque, low energy consumption, and strong overload capacity—ensuring smooth, quiet, and rapid door operation even in high-traffic scenarios. As a key component directly influencing passenger ride comfort and elevator operational safety, the YSMB7124 is exclusively supplied by Nanjing Zhuye Elevatorparts, a professional and trusted provider of high-quality elevator electrical components. Fully compliant with international elevator safety standards (EN 81-20, GB 7588) and motor technical regulations (IEC 60034), the Elevator Door Motor YSMB7124 features broad compatibility with mainstream elevator door operator models, making it widely applicable in residential buildings, commercial complexes, office towers, and public facilities worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Stable Power, Durable Quality” and implements stringent quality control throughout the production and inspection of the YSMB7124 three-phase asynchronous elevator door motor. Each unit undergoes a comprehensive multi-stage pre-delivery test, including torque performance verification, speed stability testing, noise level measurement, and long-term durability trials. The motor adopts advanced three-phase asynchronous technology and premium materials: high-purity copper windings with optimized winding design ensure low resistance, high energy efficiency (reaching IE3 class), and strong rated torque output; high-precision sealed bearings reduce mechanical friction, minimizing operational noise (≤ 58dB) and extending service life; a lightweight aluminum alloy housing with enhanced heat dissipation fins effectively controls temperature rise (≤ 75K) during long-term continuous operation; built-in thermal overload protection automatically cuts off power when overheating occurs, preventing motor burnout and safeguarding the entire door system. With standardized flange mounting dimensions and electrical interfaces, the YSMB7124 enables quick and hassle-free installation, eliminating the need for complex modifications to existing elevator door operator setups.
Step-by-Step Usage Guide for Elevator Door Motor YSMB7124
To maximize the performance, service life, and safety of the YSMB7124 three-phase asynchronous elevator door motor, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for installation, debugging, and maintenance:
1. Professional Installation & Wiring
Installation must be performed by certified elevator technicians familiar with three-phase asynchronous motor systems. Prior to installation, refer to the compatibility manual provided by Nanjing Zhuye Elevatorparts to confirm that the YSMB7124 is compatible with the target elevator’s door operator model, power parameters, and control system. Follow these steps for installation:
-
Safety Preparation: Cut off the elevator’s main power supply and the dedicated power supply for the door operator system. Lock the power switch and place a “Maintenance in Progress” warning sign to prevent accidental power-on. Clean the motor mounting position on the door operator bracket to remove dust, oil stains, and debris that may affect installation accuracy or heat dissipation.
-
Motor Installation: Fix the YSMB7124 motor to the dedicated mounting bracket using high-strength bolts provided by Nanjing Zhuye Elevatorparts. Ensure the motor is installed horizontally (horizontal deviation ≤ 1mm) and that its output shaft is coaxial with the door operator’s reducer (coaxiality deviation ≤ 0.1mm) to avoid abnormal wear and vibration. Connect the motor output shaft to the reducer via a coupling, ensuring a tight fit without slipping or looseness.
-
Wiring Operation: In accordance with the elevator door operator wiring diagram, connect the motor’s three-phase power cables (L1, L2, L3) and control cables to the corresponding interfaces of the door operator controller. Confirm the correct phase sequence to avoid reverse motor rotation; ensure terminal connections are tight and insulation is reliable. Use shielded cables and connect the shield layer to the ground terminal to enhance anti-interference performance. Verify that the motor’s rated voltage (380V AC) and frequency (50Hz/60Hz) match the controller’s output parameters.
-
Post-Installation Debugging: Restore the power supply and switch the elevator to inspection mode. Test the motor’s rotation direction—adjust the phase sequence of the power cables if the door opening/closing direction is reversed. Adjust the motor’s operating parameters (speed, acceleration/deceleration time) via the controller to match the elevator’s door system requirements. Observe the door operation to ensure smooth movement without jitter or sticking, and confirm the noise level is within the standard range. Conduct a 30-minute continuous operation test to check the motor’s surface temperature (normal temperature ≤ 95℃) and signal stability.
2. Daily Operation & Routine Maintenance
Regular inspection and maintenance are crucial to early fault detection and ensuring the long-term stable operation of the YSMB7124 motor. Integrate the following checks into daily maintenance routines:
-
Daily Visual Inspection: During door operator patrols, check the motor’s external condition. Ensure the aluminum alloy housing is free of deformation, cracks, or corrosion; the power and control cables are intact without aging, wear, or loose connections; and the mounting bolts and coupling are tight. Observe the door operation for abnormalities (e.g., slow movement, vibration, unusual noise) that may indicate motor faults.
-
Weekly Performance Check: Use a clamp meter to measure the motor’s three-phase input current, ensuring the three phases are balanced (current difference ≤ 10%). Measure the motor’s surface temperature after peak operation hours to confirm no abnormal overheating. Check the coupling’s tightness and the reducer’s lubrication status, adding lubricant if necessary. Record operating parameters for trend analysis and troubleshooting.
-
Monthly Cleaning & Maintenance: Clean the motor housing and heat dissipation fins with a soft, dry cloth to remove dust and debris, ensuring effective heat dissipation. Inspect the terminal block for oxidation or loose connections, cleaning or tightening as needed. Verify the functionality of the thermal overload protection device to ensure it triggers promptly in case of overheating.
Recommended Replacement Cycle for Elevator Door Motor YSMB7124
As a core power component enduring long-term high-load operation, frequent start-stop cycles, and environmental erosion (humidity, dust, vibration in the door operator), the YSMB7124 three-phase asynchronous elevator door motor has a specified service life. Timely replacement is critical to avoiding faults such as reduced torque, increased noise, abnormal overheating, or complete motor failure—issues that may cause door operation failure, stuck doors, or disrupt elevator service.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily door opening/closing cycles ≥ 1500, environment temperature -10–60℃, humidity 10%–95%), the recommended replacement cycle for the YSMB7124 is 5–6 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field data, motor component aging tests, and global user feedback on elevator door systems.
2. Adjustments for Special Scenarios
-
Harsh Environments & High-Traffic Scenarios: For elevators in high-humidity coastal areas (salt spray corrosion), high-dust industrial sites, or high-traffic locations (e.g., shopping malls, airports) with daily door cycles ≥ 3000, the replacement cycle should be shortened to 3–4 years. Harsh conditions and frequent use accelerate winding aging, bearing wear, and housing corrosion, reducing reliability.
-
Low-Frequency Use Scenarios: For elevators with low usage (e.g., villa elevators, small offices with daily operation time < 8 hours) and stable environments, the replacement cycle can be extended to6–7 years—only if Nanjing Zhuye Elevatorparts’ technicians inspect and confirm the motor’s torque performance, speed stability, and temperature rise meet original factory standards.
3. Immediate Replacement Conditions
Replace the YSMB7124 immediately if any of the following issues occur, regardless of service life:
-
Insufficient torque causes slow door operation, difficulty opening heavy doors, or frequent stalling—fault persists after controller adjustment and reducer maintenance.
-
Abnormal noise (e.g., sharp friction, heavy vibration) or rapid overheating (surface temperature > 120℃ within 10 minutes) indicates internal bearing damage or winding failure.
-
Motor fails to start or operates intermittently, confirmed via professional testing to be due to winding burnout, rotor damage, or phase-failure issues.
-
Performance test failure (e.g., rated torque deviation > ±10%, speed fluctuation > ±5%) means it no longer meets door operator power requirements.
In conclusion, the Elevator Door Motor YSMB7124 from Nanjing Zhuye Elevatorparts is a high-quality, reliable three-phase asynchronous AC motor tailored for modern elevator door systems. By following the correct usage, maintenance, and replacement guidelines, elevator maintenance teams can ensure stable door system operation, enhance passenger comfort, and minimize downtime. Choosing Nanjing Zhuye Elevatorparts provides access to 100% authentic YSMB7124 motors, plus professional support—including model matching, installation guidance, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for your elevator’s power and safety needs.
