Three-dimensional drilling machines are mainly used for drilling H-beams, channel steels, angle steels and thick plates, and are widely used in high-rise buildings, bridges, power station boilers, steel structure construction, three-dimensional garages, marine drilling platforms, plant construction and other industries
link:https://www.raintechsscnc.com/cnc-drilling-machine/cnc-h-beam-drilling-machine/3d-three-dimensional-cnc-vertical-section.html