Model BHD700 Cnc I Beam Drilling Cutting Machine Line φ5～φ30mm Main Spindle Hole Diameter

Application industry:

This machine tool is specifically engineered for drilling operations on H-shaped steel. It features three high-speed, precision drilling spindles to execute workpiece drilling, delivering outstanding machining accuracy and facilitating user-friendly operation. As a vital high-efficiency asset in the steel structure industry, it finds extensive application in construction projects, bridge engineering, transmission towers, lattice frameworks, and other associated sectors.

Specifications:

Components of CNC Drilling Machine Line

The CNC drilling machine line is primarily comprised of critical components, including the main machine frame, CNC feeding mechanism, out-feed conveyor, cooling unit, hydraulic system, pneumatic system, lubrication system, electrical system, and a scrap material collection cart. This production line adopts a fixed-bed configuration in conjunction with a movable workpiece-supporting structure. The 3D drilling functionality provided by this arrangement enables fully automated production workflows, thereby guaranteeing efficient and consistent manufacturing performance.

1. Main Machine Body

The main machine body is principally composed of a base, a bed, a movable sliding table, a headstock, an upper clamping device, a lateral clamping device, and a row-type tool magazine. The bed is characterized by superior rigidity and stability, enabling it to endure the forces and vibrations generated during high-speed machining operations. This structural robustness ensures that the machine maintains consistent machining precision throughout all phases of operation.

2. Cooling System

The drill bit is cooled via an aerosol cooling technique, realized through the combined use of compressed air and cooling water. This method provides advantages such as reduced coolant consumption, enhanced cost-effectiveness, environmental friendliness, and minimized drill bit wear. A flexible nozzle is mounted on the headstock, allowing for convenient adjustment of the spray position, thereby ensuring continuous cooling of the drill bit throughout operation.

3. Lubrication System

This system utilizes a hybrid arrangement integrating centralized and manual lubrication. The centralized lubrication unit provides consistent, measured lubrication to specified linear guides and lead screws, while all remaining lubrication points are serviced manually.

This machine tool is specifically engineered for drilling, tapping, and marking operations on H-beams, channel steel, and a broad range of other steel workpieces. It accommodates steel components of varying specifications while maintaining high precision and operational efficiency throughout the entire processing cycle. During demonstration sessions, the machine effectively showcases its performance using standard H-beam samples (with different flange widths and web thicknesses) and channel steel samples of assorted dimensions. These demonstration pieces clearly highlight the machine’s capability to achieve accurate hole positioning, smooth tapped threads, and distinct marking patterns—fully demonstrating its outstanding precision and reliability in practical applications.

The High-Speed CNC H Beam Drilling Machine is predominantly utilized in steel structure fabrication facilities and bridge construction projects. Within steel structure workshops, it performs precision machining on H-beams employed in frameworks and support structures, providing a reliable foundation for the accurate and stable assembly of steel constructions. In bridge construction applications, it carries out high-precision drilling on H-beams, enhancing the structural robustness of bridges and ensuring their ability to sustain long-term loads. Its exceptional operational efficiency offers dependable technical support for these critical infrastructure sectors, facilitating the smooth and timely execution of projects.