The eight-shaped bar grille arch frame is an arch frame made of steel bars. It is made according to a certain arc and length like the steel arch frame, made into unit parts, and then installed at the construction site. The function is also the same as the steel arch frame. Often used in places where the surrounding rock level is low.
The eight-shaped rib grid arch of the tunnel refers to tunnel engineerings such as highway tunnel engineering, railway tunnel engineering, military concealed engineering, mines, coal mines, iron mines, etc., and hydropower tunnels.
The CNC Wire Bending Machine and equipment of the eight-shaped rib forming machine for the grille arch frame is mainly used for the processing of the longitudinal connecting ribs of the core component of the grille arch frame and the arch frame grille structure, and the eight-shaped rib embossing. This equipment has high forming accuracy. , Fast production efficiency and other advantages.
Main features of CNC Wire Bending Machine:
The use of a butterfly eight-shaped rib forming machine:
1. Cutting the steel bar according to the expanded length of the butterfly bar.
2. On the steel bar processing platform, manually bend it into a rectangular box according to the size requirements. The joint is left in the middle of one long side, and the overlap is about 20mm.
3. On the horizontal platform formed by bending a rectangular box, enclose two heart-shaped frame-blocks to make the front and back symmetrical. Turn on the hydraulic jack on the overlap side of the rectangular box joint to push the steel bar to the position where the two heart-shaped tips are opposite. At this time, the overlapped part of the steel bar is opened to reach the position where the cut surface of the steel bar is just opposite. It takes several times to achieve this effect), start the jack at the other end, push it, and the two sides of the steel bar are together to form a 3cm parallel part. After welding together, retract the jack and remove the forming machine. Figure 8 ribs proceed to the next processing.
4. Forming of butterfly-shaped eight-shaped ribs: remove the eight-shaped ribs of the platform, weld according to the designed weld length and welding requirements, and immediately put it into a vertical press mold after welding.
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