media

  • How to repair and maintain automatic revolving doors

    27-09-2020

    Overall repair and maintenance of the revolving door 1. Surface cleanliness and inspection. 2. Check and debug the stable operation of the door. Maintenance and maintenance of revolving door drive 1. ...

  • What are the installation steps for glass automatic door?

    21-09-2020

    The basic composition of the automatic door machine is roughly the same. With the above composition, plus the door opening signal, it can be configured into a simple automatic door system. The automat...

  • Common sense of elevator procurement (1)

    15-09-2020

    Aoyama elevator (https://www.aoyamaelevator.com/):   1. Customization of foundation pit and hoistway First of all, although elevators of the same weight have the same hoistway size and depth of t...

  • The influence of PLC on elevator work

    07-09-2020

    In the operation control, the operation conditions must be met first, then the operation contactor is closed, the brake is powered on and the brake is released, the PC sends out the operation command,...

  • Improve elevator traction system

    31-08-2020

    PID control method, but in PID control, a key issue is the tuning of PID parameters. The traditional method is to determine the PID parameters based on a certain tuning principle based on the mathemat...

  • Analysis of elevator jitter during operation

    25-08-2020

    The traction unit works abnormally. Because the elevator car is suspended on the traction unit through the traction wire rope, the traction unit is required to be installed firmly, run smoothly, witho...