Cable tray roll forming equipment with 20 roller stations.the steel plate is preliminarily pressed to the desired shape, and then the roller locking device is locked to start the equipment for production. When changing the mold, the top roller is raised, the mold is sleeved on the roll, and then the roll is lowered, adjusting the distance between the two rolls to the appropriate distance needed, locking the roller locking device can be. The utility model has the advantages of reasonable design, simple structure, easy manufacture and convenient replacement of moulds.
There are two types of commonly used distribution boxes, wooden and metal. Because metal distribution boxes have a higher protection level, they are more often used in metal. Classified according to structural characteristics and uses: (1) fixed panel switchgear, often called switchboard or power distribution screen. It is an open-type switchgear with a panel cover. It has a protective effect on the front. It can still touch live parts on the back and sides. The protection level is low. Substation is used for centralized power supply. (2) Protective (ie closed) switchgear refers to a low-voltage switchgear that is closed on all sides except the installation surface. The electrical components such as the switch, protection, monitoring and control of this cabinet are installed in a closed enclosure made of steel or insulation material, and can be installed on or off the wall. There can be no isolation measures between each circuit in the cabinet, and a grounded metal plate or...

Comments
Post a Comment