Heavy Duty CNC Beam Drilling Machine Suitable For Drilling H Section Steel In Bridge Construction
Heavy Duty CNC Beam Drilling Machine Suitable For Drilling H Section Steel In Bridge Construction
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 consists of a base, machine bed, movable sliding table, spindle headstock, upper clamping mechanism, lateral clamping mechanism, and a row-type tool magazine. The machine bed is engineered with high structural rigidity and operational stability to withstand cutting forces and vibration generated during high-speed machining. This robust construction helps maintain machining accuracy over extended operating periods and ensures consistent processing performance.
2. Cooling System
The drilling tools are cooled through an aerosol lubrication and cooling method that combines compressed air with cutting fluid. This approach reduces coolant consumption, lowers operating costs, minimizes environmental impact, and helps extend tool service life. A flexible nozzle mounted on the spindle head enables convenient adjustment of the spray direction, ensuring effective and continuous cooling throughout the drilling process.
3. Lubrication System
The lubrication system combines centralized automatic lubrication with manual lubrication. The centralized lubrication unit supplies an appropriate amount of lubricant to designated linear guideways and lead screws, ensuring reliable lubrication of critical moving components. Other lubrication points are maintained manually in accordance with the equipment's maintenance requirements.
This machine tool is specifically designed to perform drilling, tapping, and marking operations on H-beams, channel steel, and various other structural steel profiles. It accommodates workpieces of different specifications while maintaining high machining accuracy and consistent operational efficiency throughout the production cycle. During equipment demonstrations, standard H-beam samples with varying flange widths and web thicknesses, together with channel steel samples of different dimensions, are typically used to evaluate machining performance. These test pieces demonstrate accurate hole positioning, precise thread formation, and clearly defined marking results, illustrating the machine's machining capabilities and operational reliability under practical working conditions.
The High-Speed CNC H-Beam Drilling Machine is primarily intended for steel structure fabrication facilities and bridge construction projects. In steel fabrication workshops, it performs precision drilling on H-beams used in structural frames, load-bearing assemblies, and support systems, helping ensure dimensional consistency and accurate structural assembly. In bridge engineering, the machine provides precise drilling of H-beam components, supporting reliable connections and the structural integrity of bridge assemblies. Its efficient machining capabilities contribute to improved production productivity and help manufacturers meet the demanding schedules of major infrastructure projects.
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