High-Speed CNC Angle Drilling and Marking Machine for Power Tower Manufacturing
Product Introduction:
The CNC Angle Steel Drilling and Marking Machine is specifically engineered for high-precision drilling and marking of large-size, high-strength angle steel components used in the fabrication of power transmission towers. The system efficiently performs all required hole-processing operations on angle steel profiles while delivering excellent hole quality, precise positioning accuracy, high production capacity, and a superior level of automation, making it an ideal solution for modern transmission tower manufacturing.
Product configuration:
| Model |
JNC2532 |
| Angle size (mm) |
100×100×10~250×250×32 |
| Max. length of blank(m) |
14 |
| Taper of drilling spindle |
/ |
| Max. Drilling diameter (mm) |
Ф40 |
| Qty. of drill on each side (pcs) |
3 (6 in total on both side) |
| Max.spindle rotation speed (r/min) |
Transducer stepless adjustment |
| Max.cutting speed of drill (m/min) |
/ |
| CNC axes |
3 |
| Range of back mark (mm) |
50-220 (stepless) |
| Max. angle feeding speed (m/min) |
40 |
| Marking force (kN) |
1000/1200 |
| Qty. of character group |
4 |
| Qty. of character in each group |
18 |
| Character size(mm) |
14×10×19 |
| Drill bit cooling system |
External cooling |
| Programming mode |
Lofting software or instruction programming |
| Overall dimensions (m) |
32x7x2.5 |
Product Features:
1. The CNC angle steel drilling line is equipped with a fully automated material handling system, incorporating a horizontal infeed conveyor, rotary loading mechanism, automatic feeding device, and automatic unloading unit. All drilling and marking operations are completed within a single continuous machining cycle without manual intervention. This highly automated configuration effectively minimizes labor requirements, improves production efficiency, and ensures consistent machining quality and operational stability.
2. The drilling unit is fitted with high-precision BT40 spindles manufactured in Taiwan, featuring an internal coolant delivery system that provides outstanding drilling accuracy, superior machining performance, and extended tool life. Six CNC-controlled drilling heads are symmetrically arranged, with three units positioned on each side of the angle steel profile. When processing holes with identical diameters and equal distances from the flange edge, the corresponding drilling heads operate simultaneously, significantly increasing machining efficiency and production output.
3. The CNC control platform supports both Chinese and English operating languages and features an intuitive Human–Machine Interface (HMI). Engineering drawings can be displayed directly on the monitor, enabling convenient operation, efficient production monitoring, and simplified program verification.
4. The programming process is straightforward, flexible, and highly efficient. Operators only need to input essential workpiece information—including dimensions, hole diameters, hole spacing, and production quantity—and the system automatically generates the corresponding machining program. The software also supports direct import of data converted from CAD/CAM applications and is fully compatible with TEKLA NC1 files, allowing seamless integration with digital engineering and manufacturing workflows.
5. Major hydraulic, pneumatic, and electrical components are supplied by internationally recognized manufacturers, ensuring dependable machine performance, excellent operational reliability, and an extended service life under continuous industrial production.
6. An intelligent self-diagnostic system continuously monitors machine operating conditions, automatically identifying abnormalities and fault conditions in real time. This advanced monitoring function simplifies maintenance, accelerates troubleshooting, reduces downtime, and maximizes equipment availability.
7. An optional shearing module is available to further enhance processing flexibility. Utilizing advanced dual-blade shearing technology, the cutting unit provides outstanding cutting accuracy, clean edge quality, and improved manufacturing efficiency.
The demonstration workpieces consist of a range of standard angle steel profiles and representative hole patterns commonly applied in transmission tower fabrication. These samples allow customers, engineers, and quality inspectors to directly assess machining accuracy, hole quality, dimensional consistency, and overall processing capability, providing a dependable reference for evaluating the equipment's performance in practical transmission tower manufacturing applications.
In Ultra-High-Voltage (UHV) power transmission projects, where transmission towers must withstand severe environmental conditions and substantial structural loads, this equipment plays an essential role in machining the angle steel members that constitute the primary load-bearing framework of the towers. It performs high-precision drilling and marking operations on angle steel components used in tower bodies, cross-arms, and other critical structural assemblies, ensuring accurate hole locations and reliable connection quality. As a result, the machine significantly enhances the structural integrity, operational safety, and long-term service performance of transmission towers throughout their entire operational lifespan.
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