50~220mm Range Of Accurate Distance CNC Angle Drilling Machine BT40
Drilling Spindle
Product Usage:
This production line is purpose-engineered for the drilling and
stamping of large-dimension, high-strength angle steel employed in
transmission line towers. All requisite holes on the angle steel
can be machined on this line, delivering superior hole quality,
high positional precision, as well as excellent production
efficiency and advanced automation functionality.
Main parameters:
| Model | ADM2532 |
| Angle size(mm) | 140*140*10~250*250*32 |
| Max. length of raw material (m) | 14 |
| Marking force(kN) | 1000 |
| No. of character group | 1 |
| No. of character | 18 |
| Character size (mm) | 14*10*19 |
| Range of accurate distance(mm) | 50~220(Stepless) |
| No. of drill on each side | 3(2 groups, 6 in total) |
| No. of blade on each side | 3 |
Taper of drilling spindle | BT40 |
| Max. drilling diameter (mm) | Φ40 |
| Max. Spindle rotation speed(r/min) | 6000 |
| Drill cooling unit | MQL 360-2(Dry cooling) |
| Cooling unit oil storage capacity | 2L |
| Cutting oil | Vegetable oil-based micro cutting oils(2000-25) |
| fuel consumption | 5~50ml/h |
| CNC trolley drive type | AC servo motor,rack and pinion driving |
| Max. feeding speed of angle(m/min) | 40 |
| AB-axis alignment movement drive method | Linear Motion Guide;AC servo motor;Ball screw Secondary driving |
| Max. skateboard travel speed of drilling head(m/min) | 10 |
| Drilling head drive type | Linear Motion Guide;AC servo motor;Ball screw Secondary driving |
| Max. feeding speed of drilling head(m/min) | 14 |
| Feeder trolley arm working method | Vertical lifting type |
| Number of tipping cylinders on discharge side | 4 |
| Hydraulic station cooling method | Air cooling |
| No. of CNC axes | 9 |
| Air pressure(MPa) | 1 |
| Total power | About 150KW |
Product Features:
1. High level of automation. The production line is outfitted with
an automatic loading device (including a transverse feeding channel
and a rotating loading rack), an automatic unloading device, and an
automatic feeding device. All holes and steel grade markings on the
angle steel can be processed in a single pass through the
production line, and no manual intervention is required during the
processing process—this significantly reduces the labor intensity
of workers.
2. The upper computer features a Chinese interface, which is
user-friendly for general operators. It is capable of displaying
workpiece graphics and the coordinate dimensions of hole
positions—this facilitates verification. Additionally, it can
accept workpiece processing programs generated by release software.
The adoption of upper computer management significantly streamlines
the storage and retrieval of programs.
3. The drilling spindle is equipped with a disc spring automatic
tool clamping mechanism and a hydraulic cylinder for tool release,
which enables convenient replacement of the tool shank. The front
section of the spindle adopts a labyrinth seal protection
structure, a waterproof design, and is fitted with an air curtain
device—these configurations ensure that cutting fluid does not
penetrate into the interior of the spindle.
4. The hole-making process achieves high positional accuracy. The
feeding device of this production line is driven by a servo motor
and operates via a gear-rack transmission system. It is also
equipped with a gear-rack detection assembly and a position-sensing
encoder for positional accuracy feedback, forming a full
closed-loop control mechanism. Meanwhile, the movement of the
drilling power head along the two flank directions of the angle
steel is driven by a servo motor and transmitted through a ball
screw—this configuration ensures high positional accuracy of the
holes machined on angle steel workpieces.
These specimens encompass a range of common specifications and hole
patterns of angle steel used in transmission line towers. They
enable potential users or inspectors to visually validate the
operational performance of the equipment, thereby offering concrete
and intuitive references for evaluating whether the equipment meets
the practical production requirements.
In the construction of ultra-high voltage (UHV) transmission
lines—where towers must withstand extreme weather conditions and
heavy loads—this equipment plays a critical role in processing the
angle steel components that form the main framework of the towers.
It efficiently accomplishes the drilling and stamping tasks for
angle steel used in tower bodies, cross-arms, and other key
structural parts, ensuring precise dimensional accuracy and strong
connections to safeguard the overall stability of the towers.
