Automated CNC Angle Line Machine For Punching And Cutting Of Angle Steel In Tower Manufacturing
Product Introduction:
The JNC series high-speed CNC angle steel punching, marking, and cutting production line is primarily constituted by a punching unit, marking unit, cutting unit, transverse conveyor, rotary conveyor, feeding conveyor, unloading conveyor, CNC feeding carriage, hydraulic system, electrical system, and pneumatic system, among other key components. This production line is mainly designed for the automated machining of angle steel within the tower manufacturing industry. The processing workflow is numerically controlled, boasting highly convenient operability. It facilitates automated, high-precision, multi-variety, and mass-scale production capabilities.
Specifications:
| Model |
JNC1010 |
JNC1412 |
JNC1616 |
JNC2020 |
| Angle size (mm) |
40х40х3~
100х100х10 |
40х40х3~
140х140х12 |
40х40х3~
160х160х16 |
50х50х4~
200х200х20 |
| Max. Punching (Dia. х Thi.) (mm) |
Φ26х10 |
Φ26х12 |
Φ26х16 |
Φ26х20 |
| Punching force (kN) |
630 |
630/1000 |
1000 |
1000/1200 |
| Marking force (kN) |
630 |
630/1000 |
1000 |
1000/1200 |
| Cutting force (kN) |
1000 |
2000 |
3000 |
2200/4300 |
| Max. length of blank (m) |
12 |
12 |
14 |
14 |
| Max.length of finished (m) |
8 |
8 |
12 |
12 |
| Punches per side |
2 |
2 or 3 |
3 |
3 |
| Group of marking letters |
4 |
4 |
4 |
4 |
| Number of letters per group |
12 |
12/18 |
18 |
18 |
| Character size(mm) |
14x10x19 |
| CNC axes |
3 |
| Cutting mode |
Single Blade |
Double Blade or Single Blade |
| Cooling method |
Water cooling/Air cooling/Oil chiller |
| Angle feeding speed (m/min) |
80 |
80 |
80 |
60 |
| Programming mode |
Lofting software or instruction programming |
| Overall dimension (m) |
About 25x6.5x2.5 |
About 25x6.5x2.5 |
About 32x7x3 |
About 32x7x3 |
The above parameters can be adjusted and changed according to customer's specific requirements.
Product Features:
1. The punching unit is outfitted with two or three sets, which can be configured with three types of punches of varying diameters. The three sets of punching dies are positioned via numerical control to adjust the spacing. It is capable of punching both round holes and oval holes. Its high feeding and punching speeds optimize production efficiency; for angle steel of 50×50×4mm specification, the output achieves 9–10 tons per eight-hour shift.
2. The marking unit adopts a closed structural design with superior rigidity. It is furnished with four sets of character cassettes, which are selected through program control, and the marking spacing can be set arbitrarily. Furthermore, a disc-type marking method is offered as an optional configuration. The disc marking system comprises 10 rows of characters and enables automatic character selection without the need for manual intervention, thereby substantially enhancing marking efficiency.
3. The cutting unit adopts a single-blade shearing mechanism, a structural design renowned for its robust shearing force. Each cutting cycle produces no waste material, while the cut surface maintains exceptional neatness and smoothness. The blade housing is equipped with an open-door configuration, enabling rapid and safe blade replacement procedures.
4. The horizontal material table transports angle steel to the rotary material rack. Driven by a motor and a reducer assembly, the rotary material rack facilitates the stable placement of angle steel onto the feeding conveyor.
5. The workpiece is clamped and fed by the CNC feeding carriage, which delivers superior positioning accuracy. The CNC feeding carriage is actuated by a servo motor, integrated with photoelectric encoder feedback and closed-loop control functionality.
These test specimens, derived from the angle steel punching, cutting, and marking production line, encompass the standard specifications and processing scenarios extensively adopted in the angle steel tower manufacturing industry. They enable users to directly evaluate the equipment’s machining quality, precision performance, and craftsmanship standards.
In the construction of ultra-high voltage (UHV) transmission lines—where transmission towers must withstand extreme meteorological conditions and heavy-duty loads—this equipment performs a critical role in processing the angle steel components that form the towers’ primary framework. It reliably conducts drilling and stamping operations on the angle steel utilized for tower bodies, cross-arms, and other key structural components. This ensures precise dimensional accuracy and robust connection performance, thereby upholding the overall structural stability of the transmission towers.
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