Bridge Fabrication Use High Speed CNC H Beam Drilling Sawing Machine With Shearing Function
Application industry:
This machine tool is specially designed for drilling operations on H-section steel. It is equipped with three high-speed precision drilling spindles for workpiece machining, ensuring excellent machining accuracy while providing simple and convenient operation. As an important high-efficiency equipment in the steel structure industry, it is widely used in construction engineering, bridge fabrication, transmission tower production, lattice structures, and other related industrial fields.
Specifications:
| Model |
BHD700/3 |
| H Beam width range (mm) |
100~700 |
| H Beam height range (mm) |
100~500 |
| Channel steel width range (mm) |
100~700 |
| Channel steel height range (mm) |
100~250 |
| Max. workpiece thickness (mm) |
40 |
| Max. workpiece length (m) |
12 or 15 (optional) |
| Drilling spindle qty. |
Total 3 spindles, one spindle on the upper unit, left side and right side respectively |
| Spindle hole taper |
BT40 |
| Max.drilling diameter (mm) |
40 |
| Spindle motor power (kW) |
11/15 |
| Spindle speed (r/min) |
100~3000 |
| Spindle feeding speed (m/min) |
0~10 |
| X-axis feeding speed (m/min) |
0~20 |
| Qty of tool magazine |
3 |
| Tool magazine type and capacity |
Row type, 3x4 (optional) |
| Marking unit (optional) |
Disc typing, 36 characters, character size Φ10mm |
| CNC system |
German, Japan, China INVT |
| Cooling method |
Spray cooling, internal cooling + external cooling |
| Machine Overall Size (m) |
About 33x5.5x3.5 |
| Total Power(kW) |
About 55 |
| The above parameters can be adjusted and changed according to customer's specific requirements. |
Components of CNC Drilling Machine Line
The CNC drilling machine line is mainly composed of key units including the main machine frame, CNC feeding system, discharge conveyor, cooling system, hydraulic system, pneumatic system, lubrication system, electrical control system, and scrap collection trolley. This production line adopts a fixed bed structure combined with a movable workpiece support system. The 3D drilling capability provided by this configuration enables fully automated production processes, ensuring stable, efficient, and continuous manufacturing performance.
1. Main Machine Body
The main machine body consists of a base, machine bed, movable sliding table, spindle headstock, upper clamping device, side clamping device, and a tool magazine of row-type configuration. The bed structure features high rigidity and excellent stability, allowing it to withstand cutting forces and vibration generated during high-speed machining. This robust design ensures long-term machining accuracy and operational consistency.
2. Cooling System
The drill tool is cooled using an aerosol cooling method, achieved through the combination of compressed air and coolant fluid. This approach offers reduced coolant consumption, improved cost efficiency, environmental benefits, and decreased tool wear. A flexible nozzle installed on the spindle head allows easy adjustment of spray direction, ensuring continuous and effective cooling of the drill during operation.
3. Lubrication System
The lubrication system adopts a combined centralized and manual lubrication structure. The centralized lubrication unit delivers precise and consistent lubrication to designated linear guides and lead screws, while other lubrication points are maintained through manual application.
This machine tool is specifically developed for drilling, tapping, and marking operations on H-beams, channel steel, and various other structural steel components. It is capable of processing steel parts with different specifications while maintaining high precision and stable efficiency throughout the entire machining cycle. During demonstration, the equipment typically uses standard H-beam samples (with varying flange widths and web thicknesses) and channel steel samples of different dimensions to showcase its performance. These test pieces clearly demonstrate accurate hole positioning, smooth thread tapping, and clear marking results, fully reflecting the machine’s high precision and operational reliability in practical use.
The High-Speed CNC H Beam Drilling Machine is primarily applied in steel structure fabrication plants and bridge construction projects. In steel fabrication workshops, it performs precision machining of H-beams used in structural frames and support systems, ensuring accurate and stable assembly of steel structures. In bridge engineering applications, it carries out high-precision drilling of H-beams, enhancing the structural strength of bridges and ensuring long-term load-bearing reliability. Its high efficiency provides strong technical support for key infrastructure projects, contributing to smooth and timely project execution.
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