- Sep 18, 2017 -
Elevator guide is divided into three categories: solid rail, heavy hollow guide rails and escalators.
The solid guide rail is machined guide rail, which is made of guide rail profile and machined guide surface. It is used in the elevator operation to provide guidance for the operation of the car. The small size solid guide rail is also used for the heavy guidance. Solid rail specifications, according to the weight per meter can be divided into: 8K, 13K, 18K, 24K, 30K, 50K, according to the width of the guide plate can be divided into T45, T50, T70, T75, T78, T82, T89, T90, T114 , T127, T140 and so on.
With the improvement of the elevator comfort requirements and the improvement of the elevator speed, the high precision guide rail is the development direction of the rail production. The high precision guide rail is to improve the precision of the whole rail, such as the guide surface dimension tolerance, Tolerance, tongue and groove symmetry tolerance from the original 0.1mm into 0.05mm, and increase the number of terminal shape and position tolerance requirements and improve the track straightness, distortion requirements. High-precision rails are used in the high-speed elevator on the guide rail, not only the accuracy is higher than the ordinary rail, but also in the process to eliminate the potential bending and distorting deformation of the guide factors, such as guide surface processing before the rail profile for full aging, In order to reduce the residual stress in the rail profile, before the processing of the end of the size of the body and before the full re-aging treatment, the full release of internal stress to reduce the stress in the rail after the rail bending caused by the installation.