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The traditional method of measuring the straightness of elevator guide rail mainly adopts the simple tools such as ruler, detection platform, weight line and so on.
In the previous：What are the defects of the elevator rails and connectors?
The next page：What is the modern measurement method for straightness of elevator rails?
What are the defects of the elevator rails and connectors?
What role does elevator rail play in elevator overspeed?
What are the requirements for the strength of the guide rail connectors?
What way should the elevator guide rail be made?
What are the three kinds of elevator rails which can be divided into sections?
How to use the track scale to check and look for the elevator guide rail?
