Modern measurement methods mainly use laser measuring instrument and sensor detection technology Elevator guide rail Straightness measurement .. 2017-10-23 15:59
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 .. 2017-10-23 15:58
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.. 2017-10-23 15:58
Elevator guide rail It should be made by cold bending method with a basic length of 5m The hollow connection parts should be made by cold bending method, and the solid connection.. 2017-10-23 15:57
The cold rolled high quality steel plate should be used for the guide rail of the elevator, the tensile strength should not be less than 370MPA, and the strength of the connector.. 2017-10-23 15:57
T type guide rail is the most widely used elevator guide rail in our country at present It has strong versatility, good bending performance and machinability
.. 2017-10-23 15:55