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Elevator track is an elevator component composed of steel rail and connecting plate, which is divided into car guide rail and counterweight guide rail. From the section shape, it can be divided into three forms: T-shaped, L-shaped and hollow.
While playing a guiding role, the guide rail bears the impact of car and elevator braking, and the impact of safety gear emergency braking, etc. The magnitude of these forces is related to the load mass and speed of the elevator.
Elevator guide rail is divided into three categories: solid guide rail, counterweight hollow guide rail and escalator guide rail.
Solid guide rail is a machined guide rail, which is formed by the guide rail profile through machining the guide surface and connecting parts. Its purpose is to provide guidance for the operation of the lift car during elevator operation. Small size solid guide rail is also used for counterweight guidance.
There are many specifications of solid guide rail, which can be divided into 8K, 13K, 18K, 24K, 30K, 50K, etc. according to the weight per meter. According to the width of guide rail base plate, it can be divided into T45, T50, T70, T75, T78, T82, T89, T90, t114, T127, T140, etc.
There are many factors that affect the quality of elevator solid guide rail. The main technical elements are: guide rail raw materials (material, profile and internal stress), guide surface roughness, male and female tenon symmetry, guide rail straightness and distortion, etc.
The factors that affect the quality of hollow guide rail and escalator guide rail mainly include the raw materials of guide rail (plate material, flatness of plate), shape and position tolerance of guide rail section, galvanizing quality, etc.
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