What Are the Signs of Escalator Step Roller Bearing Failure?
What Are the Signs of Escalator Step Roller Bearing Failure? In an escalator system, step rollers are responsible for supporting, guiding, and stabilizing the movement of steps, while the bearings directly affect how smoothly the rollers rotate. Once the bearings are damaged, the overall performance of the escalator will decline significantly, and in severe cases, […]
Common Causes of Elevator Inverter Alarms
Common Causes of Elevator Inverter Alarms Elevator inverter alarms can affect normal elevator operation. This article explains the common causes of inverter alarms, including power supply issues, excessive load, poor heat dissipation, and incorrect parameter settings, along with practical troubleshooting methods. A-FLY provides stable and reliable elevator & escalator spare parts, including elevator inverter products. […]
Causes and Solutions for Elevator PCB Control Board Overheating
Causes and Solutions for Elevator PCB Control Board Overheating .What faults can be caused by overheating of an elevator PCB control board? This article explains the common causes, inspection methods, and solutions for PCB overheating, helping maintenance companies and buyers choose suitable elevator & escalator spare parts. A-FLY provides a wide range of elevator components, […]
How Different Escalator Roller Materials Affect Service Life
How Different Escalator Roller Materials Affect Service Life In an escalator system, step rollers are key components that support the steps and allow them to move smoothly along the guide rails. They directly bear passenger loads and operational friction, making them one of the core factors that determine ride smoothness and durability. Many maintenance issues—such […]
Problems Caused by Uneven Elevator Wire Rope Tension
What Problems Can Be Caused by Uneven Tension in Elevator Steel Wire Ropes? In an elevator traction system, steel wire ropes play a core role in both load-bearing and power transmission. When multiple ropes work together, their tension must remain basically equal to ensure smooth and safe elevator operation. However, in real maintenance practice, uneven […]
Early Warning Signs of Traction Machine Bearing Failure
Early Warning Signs of Traction Machine Bearing Failure In an elevator traction system, the traction machine bearing is one of the key elevator components that ensures the stable operation of the motor and traction sheave. Bearings support rotating parts and reduce friction. Once they become damaged or their performance declines, it can not only affect […]
Problems Caused by Improper Escalator Comb Plate Installation
What Problems Can Be Caused by Improper Installation of Escalator Comb Plates? In an escalator system, the comb plate is located at the entrance and exit, serving as a critical transition component between the steps and the landing platform. By precisely meshing with the step teeth, it ensures that passengers can board and exit the […]
GPSI,GPSII,GPSII NEXWAY,MAXIEZ Summary of Common Elevator Door Motor Models
GPSI,GPSII,GPSII NEXWAY,MAXIEZ Summary of Common Elevator Door Motor Models 1. Applicable Elevator Series GPSI GPSII GPSII NEXWAY MAXIEZ 2. Common Door Motor Model Categories 1) EMB Series (AC / Synchronous Door Motors) EMB-80-4 Voltage: 113V Power: 80W Speed: 600 r/min EMB-48-8 Type: Permanent Magnet Synchronous (SE-BL door motor) Reference Model: YA171B911G EMB-125-4 Type: Three-phase AC Asynchronous […]
Risk Analysis of Insufficient Lubrication of Elevator Wire Ropes
Risk Analysis of Insufficient Lubrication of Elevator Wire Ropes In an elevator traction system, the wire ropes play a critical role in carrying the car’s weight and transmitting power. As one of the key elevator components, wire ropes must maintain proper lubrication during long-term operation to reduce friction, slow down wear, and extend service life. […]
Impact of Traction Sheave Groove Wear on Wire Rope Service Life
Impact of Traction Sheave Groove Wear on Wire Rope Service Life In an elevator traction system, the interaction between the traction sheave and the wire ropes is one of the key factors ensuring safe operation. Among these, the condition of the sheave grooves directly determines the load distribution and wear pattern of the wire ropes. […]
Analysis of the Safety Risks Caused by Damaged Escalator Comb Plates
Analysis of the Safety Risks Caused by Damaged Escalator Comb Plates In an escalator system, the comb plate is located at the entrance and exit, serving as a critical transition component between the steps and the landing platform. It meshes with the step treads to ensure passengers can safely get on and off the escalator. […]
Common Abnormalities in Permanent Magnet Synchronous Traction Machines
Analysis of Common Operating Abnormalities in Permanent Magnet Synchronous Traction Machines With the development of elevator technology, permanent magnet synchronous traction machines (PMSMs) have been widely used in various elevator systems due to their high efficiency, low energy consumption, and compact structure. However, during long-term operation, these machines may still experience various abnormalities that can […]
