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Elevator guide railAnd the connecting piece have cracks, scars, burrs and other defects are not allowed, not allowed to have galvanized layer of skin, tumor and shedding phenomenon, the concave black pockmark per meter length does not exceed 5, and the total area of not more than 1cm2.
In the previous：What way should the elevator guide rail be made?
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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?
