BHD700/3 CNC H-Beam Drilling Cutting Marking Machine For Steel Structure Fabrication Plants
Application industry:
This machine tool is specifically engineered for drilling H-section steel and incorporates three high-speed, high-precision drilling spindles to perform workpiece machining. It delivers excellent machining accuracy while ensuring straightforward operation and convenient handling. As an essential piece of high-efficiency equipment for the steel structure industry, it is widely utilized in construction projects, bridge manufacturing, power transmission tower production, lattice structure fabrication, and other related industrial applications.
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 primarily comprises a main machine frame, CNC workpiece feeding system, discharge conveyor, cooling system, hydraulic system, pneumatic system, lubrication system, electrical control system, and scrap collection trolley. The production line features a fixed machine bed combined with a movable workpiece support mechanism. This structural configuration enables three-dimensional drilling and supports fully automated machining, delivering consistent productivity, stable operation, and continuous production performance.
1. Main Machine Body
The main machine assembly comprises a supporting base, machine bed, movable slide table, spindle headstock, upper workpiece clamping device, lateral clamping device, and linear tool magazine. The machine bed features a rigid, stable structural design capable of withstanding the cutting forces and vibrations associated with high-speed machining. This robust construction helps preserve dimensional accuracy over prolonged operating periods and ensures consistent machining performance.
2. Cooling System
The drilling tools utilize an aerosol-based cooling and lubrication system that combines compressed air with cutting fluid. This technology reduces fluid consumption, lowers operating expenses, minimizes environmental impact, and helps prolong tool service life. A flexible nozzle mounted on the spindle head allows the spray direction to be adjusted conveniently, ensuring effective and continuous cooling during drilling operations.
3. Lubrication System
The lubrication system combines centralized automatic lubrication with manual lubrication. The centralized lubrication unit delivers a controlled supply of lubricant to designated linear guideways and lead screws, ensuring adequate lubrication of critical moving components. Other lubrication points are serviced manually in accordance with the prescribed equipment maintenance procedures.
This machine tool is engineered for drilling, tapping, and marking operations on H-beams, channel steel, and other structural steel profiles. It accommodates workpieces of varying specifications while maintaining precise machining results and stable operational efficiency throughout the production cycle. During equipment demonstrations, standard H-beam samples with different flange widths and web thicknesses, together with channel steel samples of various dimensions, are used to assess machining performance. These samples illustrate accurate hole positioning, precise thread machining, and clearly legible marking results, demonstrating the machine's processing capabilities and operational reliability under practical production conditions.
The High-Speed CNC H-Beam Drilling Machine is primarily designed for steel structure fabrication plants and bridge construction applications. In steel fabrication workshops, it performs precision drilling on H-beams used in structural frameworks, load-bearing components, and support assemblies, helping achieve dimensional consistency and accurate component alignment. In bridge construction, the machine provides precise drilling of H-beam members, supporting dependable structural connections and the integrity of assembled bridge components. Its efficient machining capabilities help increase manufacturing productivity and enable fabricators to meet the demanding delivery schedules of major infrastructure projects.
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