Introduction
Evaluating a traction elevator’s quality goes beyond its interior design. To ensure long-term reliability and passenger safety, you must assess four core dimensions: Safety Compliance, Core Components, Ride Quality, and Maintenance. Use this professional guide to perform a comprehensive evaluation.
1. Safety & Compliance (The "Red Line")
Safety is the most critical factor. An elevator must meet international standards (such as EN81-20/50 or GB 7588-2023).
Certifications: Verify the "Special Equipment Manufacturing License" and "Type Test Reports."
Safety Devices: The Speed Governor and Safety Gear must be responsive. In an overspeed simulation, they must stop the car reliably.
Interlocking System: Both car and landing doors must have mechanical and electrical interlocks. The elevator should never start if a door is even slightly open.
Emergency Features: Ensure the ARD (Automatic Rescue Device), emergency lighting, and 5-way intercom are fully functional.
2. Core Components (Life-span & Reliability)
The "Heart" and "Brain" of the elevator determine its maintenance costs over the next 15-20 years.
Traction Machine (The Heart): High-quality elevators use Permanent Magnet Synchronous (PMSM) Gearless machines. They are energy-efficient, low-noise, and maintenance-free.
Door Operator (The High-Frequency Point): Look for VVVF door controllers. Opening and closing should be smooth, without jerks or loud mechanical strikes. Infrared Light Curtains are a must for anti-pinch safety.
Control System (The Brain): A microcomputer-based AC-VVVF system ensures precise leveling and offers self-diagnostic capabilities for faster repairs.
Suspension: Steel ropes or belts must be free of corrosion, broken wires, or uneven tension.
3. Ride Quality (User Experience)
The hallmark of a premium elevator lies in its "invisibility"—you should never notice it operating.
Stability: Vibration levels must be minimized.
Vertical vibration: ≤15 cm/s²
Horizontal vibration: ≤10 cm/s²
Floor Leveling Accuracy:
At speeds ≤2.5 m/s: error ≤±15 mm
At speeds >2.5 m/s: error ≤±30 mm
Noise Control: Cabin noise should be ≤55 dB (residential grade). For machine-room-less units, noise ≤45 dB is considered excellent.
4. Quick On-Site Inspection Method
Use the "Listen, Look, Feel" technique during a test ride:
- Listen: Are there grinding noises or wind whistles during high-speed travel?
- Look: Does the car floor align perfectly with the hallway floor? Check the "Safety Inspection" certificate date.
- Feel: Do you feel a "sinking" sensation (G-force) during start-up or braking? Quality elevators have a seamless acceleration curve.
- Test: Press the emergency call button and check if the response from the control room is clear.
Summary Checklist for Purchase
| Key Feature | Premium Standard |
|---|---|
| Drive Type | PMSM Gearless |
| Control | AC-VVVF Integrated Controller |
| Safety | ARD + Light Curtain + Intercom |
| Ride | Low Vibration + Precise Leveling |
| Brand Support | SSEC Standardized Parts & Service |
Conclusion:
Investing in a high-quality traction elevator reduces long-term operational risks and enhances property value. Always prioritize technical parameters and safety certifications over low initial pricing.
Please contact us via the following methods:
Tel: 86 181 9243 7225
WhatsApp: 86 181 9243 7225
Email: ssec3@elevator-ssec.com
Website: https://www.sigmarise-elevator.com/
Media Contact
Company Name: SSEC Elevator Co., Ltd.
Email: Send Email
Country: China
Website: https://www.sigmarise-elevator.com/
