A complete guide to professional knowledge and tools for installing and maintaining rigid fast doors

A complete guide to professional knowledge and tools for installing and maintaining rigid fast doors
In the industrial and commercial fields, rigid fast doors are widely used due to their high efficiency, durability, and safety. Their installation and maintenance require professional knowledge and tool support. This article will explore the relevant content in depth to help you fully understand.

I. Professional knowledge required for installing rigid fast doors
(I) Structure and principle knowledge
Installers need to have a deep understanding of the structural composition of rigid fast doors, including door panels, drive systems, guide rails, safety devices, control systems, etc. For example, door panels are usually made of aluminum alloy or steel, with high strength and durability; the drive system includes motors, reducers and control systems, which are responsible for the opening and closing of the door. At the same time, it is necessary to master its working principle, that is, the motor drives the door panel to move up and down in the guide rail to achieve rapid opening and closing, while the control system and safety devices ensure safe operation.
(II) Measurement and layout knowledge
Accurate measurement is the basis for installation. It is necessary to accurately measure the door opening size, the height and width of the installation position, etc. to ensure that the door body fits the door opening. According to the measurement data, rationally plan the installation layout, determine the installation positions of the guide rails, motors, control boxes and other components, and ensure the coordinated operation of each component.
(III) Electrical knowledge
Be familiar with the electrical control system of the rigid fast door, including the connection and debugging of electrical components such as motors, control boxes, sensors, and safety light curtains. Be able to correctly connect the power cord and control line, set the control parameters, and ensure the normal operation of the door. Master the electrical safety specifications to ensure the safety of electricity use during the installation process and avoid safety accidents caused by electrical failures.
(IV) Safety specification knowledge
Strictly abide by relevant safety standards and specifications, such as ensuring that the installation is firm and reliable during the installation process to prevent vibration and movement; using qualified electrical wires and electrical equipment for electrical installation; providing users with specific operation training and safety warnings, etc.

2. Tools required for installing rigid fast doors
(I) Basic tools
Screwdrivers are used to remove and install screws, electric drills are used to quickly fix screws and bolts, wrenches are used to tighten screws and bolts, measuring tools such as tape measures and levels are used to accurately measure positions and levels, and steel rulers and pencils are used to mark positions.
(II) Electrical tools
Cable strippers and crimping pliers are used to handle electrical connections, electrical testers are used to detect the working status of circuits and electrical components, and insulating tapes and insulating sleeves are used to repair the insulation layer of wires and cables.
(III) Other tools
Forklifts may be used to assist in positioning turbine mechanisms, hand drills are used for drilling and other fixed work, toothless saws are used to cut electromagnetic coils, and infrared levels are used to measure whether the door frame height is consistent.

III. Professional knowledge required to maintain rigid fast doors
(I) Daily inspection knowledge
Regularly check the surface of the door body to see if the door panels, bottom beams and tracks are intact, and whether there are abnormal wear, deformation, looseness, etc. Pay attention to the operating status of the product, such as whether the door switch limit is accurate, whether the motor operation sound is normal, whether there is abnormal vibration or heating, whether the transmission chain, gears and other components are well lubricated, and whether the control system functions normally.
(II) Cleaning and lubrication knowledge
Master the correct cleaning method and clean the dust and stains on the door surface, foreign objects in the track and dust on the motor surface in time. Understand the key points of lubrication, and regularly add appropriate lubricating oil or grease to moving parts such as transmission chains, gears, pulleys, guide rails, etc. to reduce friction and noise and extend service life.
(III) Fault diagnosis and maintenance knowledge
Be able to diagnose common faults, such as the door cannot be opened or closed, the operation is not smooth, the safety device fails, the door panel is deformed and damaged, etc., and take corresponding maintenance measures. Be familiar with the maintenance methods of motors, control systems, safety devices, door panels and other components, such as replacing damaged motor bearings, repairing or replacing faulty sensors, correcting or replacing deformed door panels, etc.
(IV) Safety device maintenance knowledge
Regularly test the sensitivity of infrared sensing devices and safety light curtains to ensure that they can stop or rebound immediately when encountering resistance during the closing process of the door body. Check whether the anti-collision device at the bottom of the door body is working properly, and whether it can be triggered in time when it is hit by external force, so that the door body stops running and sounds an alarm. At the same time, check the pressure and sealing of the airbag, and repair or replace it if necessary.

4. Tools required for maintaining rigid rapid doors
(i) Cleaning tools
Including brushes, vacuum cleaners, detergents, etc., used to remove dust, dirt and foreign matter from the door body, tracks, motors and other parts.
(ii) Lubricating tools
Lubricating oil or grease, oil pots, etc., used to lubricate moving parts.
(iii) Electrical testing tools
Such as multimeters, used to detect the working status of circuits and electrical components and locate fault points.
(iv) Maintenance tools
Basic tools such as screwdrivers, wrenches, electric drills, etc., used to disassemble and install components; tools that may also need to replace components such as motor bearings, sensors, sealing strips, etc.

5. Installation and maintenance operation points and cases
(i) Installation operation points
When installing the guide rails and door bodies, ensure that the guide rails are horizontal, vertical and without distortion, and that the door body and guide rails match well and are firmly installed.
When installing the motor and control box, fix them to the wall on the side away from the rapid door body and correctly connect the electrical equipment according to the circuit connection diagram.
Install safety devices and sensors, such as photoelectric sensors and infrared sensors, to ensure that they are installed in the correct position and work properly.
During the debugging and testing process, comprehensively check the door’s opening and closing action, speed and safety function to ensure normal operation.
(II) Maintenance operation points
During daily maintenance, check the door surface and track conditions at least once a week, and deal with abnormalities in a timely manner.
Lubricate the transmission parts every 1-2 weeks, and re-reinforce all fixing points and connecting screws every year.
Check the safety devices regularly, conduct a comprehensive inspection and maintenance every quarter, and increase the maintenance frequency appropriately for places with high frequency of use.
(III) Case analysis
When a factory installed a hard fast door, the guide rail was not installed horizontally, resulting in uneven operation of the door body and jamming. After the professional readjusted the guide rail horizontality, the door body returned to normal operation. This highlights the importance of accurate measurement and standardized operation during installation.
In another case, the hard fast door of a warehouse had a fault with loud noise and strong vibration during operation due to wear of the motor bearing. After inspection and diagnosis, the maintenance personnel replaced the motor bearing in time to restore the door body to normal operation. This case shows the importance of maintenance personnel having fault diagnosis and maintenance knowledge.

VI. Summary
Professional knowledge and tools are required to install and maintain rigid rapid doors. Installers should be familiar with the structural principles, measurement layout, electrical knowledge and safety regulations of the door, and prepare basic tools, electrical tools, etc.; maintenance personnel should master daily inspection, cleaning and lubrication, fault diagnosis and maintenance, and safety device maintenance knowledge, and prepare the corresponding tools. When operating in practice, follow the key points of operation to ensure the installation quality and maintenance effect. Through professional installation and maintenance, the normal operation and long-term service life of rigid rapid doors can be guaranteed to meet the use needs of industrial and commercial places.