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Aluminum BENDING MACHINE

Up to 15 Independent Controllable Servo Axes. Photoelectric positioning. CNC Automatic control. Accuracy is as high as ≤0.01mm.
Can be bent in various shapes (3-D graphics, C-shaped, U-shaped, full circle, ellipse, multiple radii combination shapes, etc.).
Suitable for difficult variable-curvature arc aluminum bending processing.

– PBA SERIES –

About PBA-CNC Aluminum Benders

Aluminum profile bending machines (also called aluminum benders) are used to form aluminum profiles.

An aluminum bender is the forming of aluminum profiles in one axis by a multi-roll bending machine. If the semi-finished product is not moved during the bending process, the distance between the rollers, their diameter, and the depth of immersion determine the bending radius. To produce particularly large bends, the material is pulled through the roller bending machine and moved alternately. The distance between the rollers is gradually adjusted.

In most cases, roll bending is the most flexible and cost-efficient bending method. A profile is guided between three adjustable bending rolls and gradually bent in the desired radius.

Roll bending is the ideal bending method for profiles with complex designs and different radii. BIT’s PBA CNC profile bending machine has become specialized in 3D aluminum profile bending machines.

Parameters of PBA Aluminum Bending Machine

ModelPBA-300FPBA-450PBA-500PBA 500+PBA-500FPBA-600PBA 600+PBA-800PBA-1000PBA-1200
Power
(kW)
2.55.546.55510101822.5
Roller Speed
(rpm)
1-301-201-151-151-151-151-151-151-151-15
Max.DIA Mold
(mm)
160240240240240260260-400260/320300
Roller DIA
(mm)
3050505050608080105125
Axis Distance
(mm)
100180-390100-300270-600310270-600370-1200270-600450~1200500-1200
Y-axis Thrust
(tons)
5151520152525355070
Accuracy Y-axis
(mm)
≤0.01≤0.01≤0.01≤0.02≤0.02≤0.02≤0.02≤0.02≤0.02
Max.Torque X-Axis
(N.m)
12001700250040002500450060006000100001300
Max.Section size
(W×H)(mm)
50×70120×150150×200120×150150×200200×250200×250250×300300×450
Dimension
(m)
1.2×.8×1.31.8×.7×1.71.5×1.2×1.41.6×1.2×1.51.5×1.2×1.41.5×1.2×1.41.8×1.8×1.61.8×1.8×1.61.9×20×1.752.1×2.2×1.85
CNC aluminum profile bending process

Advantage of BIT CNC aluminum bender

Repeatability and accuracy: The first bend of the day is the same as the bend on the night shift. Servo electric gives you this every time.
Accurately controlled ‘Z’-axis: When forming non-symmetrical sections, able to control the twist of the section accurately.
Variable centers:
To get the most from a machine you should be able to get the widest capacity.
Simple:
An operator should be able to learn to bend complicated bends in a single day. Bends with tangents, and multi-radius bends all should be formed easily and smoothly.

Software function

  • The workpiece can be rolled bent and formed at one time; it can also be bent and formed repeatedly in various forms according to the needs;
  • Bendable shapes: C-shape, U-shape, 3R-shape, ellipse, and various arcs with variable curvature symmetrical on both sides; parabola, Archimedes spiral, and various asymmetrical arcs with variable curvature.
  • Support USB import of 2D drawing DXF file, 3D drawing.STEP file USB import, and directly generate production and processing formula program and automatically assign address; formula data can be manually modified, and formula data can be exported through USB;
  • The interface operates and displays 3D simulated three-dimensional arc, and the color changes synchronously to display the processing process; the simulated arc profile can be opened, zoomed, and rotated.
  • It can realize the three-axis linear interpolation function of the X-axis, Y-axis, and Z-axis, display the position change data of each action axis and workpiece movement data on the screen, and monitor the interpolation effect at any time to ensure the real interpolation function.
  • The equipment reserves an Internet communication interface, which can be used for remote online monitoring, remote debugging, online upgrade, etc.
  • The data of each axis has a power failure memory function and a permanent data storage function to prevent data loss due to power failure, shutdown, or equipment failure.
  • Automatically detect errors and equipment failures, and display errors, failure content, and codes on the screen, which is convenient for operators to troubleshoot easily.
  • Servo parameters can be preset through the system, and key parameters and the status of the servo can be monitored through the system.
  • The software can automatically extract material rebound data and interpolation arc length data of different radii, without manual input one by one, which effectively saves programming time and reduces the difficulty of equipment operation.
  •  Self-diagnosis function: if the equipment fails, it can judge whether the components are good or bad
  • Manual adjustment function: the arc with inaccurate size can be corrected by manual function.
  •  4G memory, 128G solid state hard disk, can store enough processing formulas for multiple profiles.
CNC aluminum profile bending machine

Features of PBA-CNC series aluminum bending machine

Shaft seat slideway (Chinese patent)

  • Steel plate quenching and tempering treatment, quenching treatment, dovetail groove structure connection, each surface is processed by grinding machine, after combination, the upper and lower planes are processed by grinding machine, and the surface is electroplated with hard chrome.
  • High strength, good structural stability, and can withstand particularly large tensile forces.
  • The minimum distance between the fixed roller on the left and right sides can be adjusted.

X-axis rotation transmission mechanism (Chinese patent)

  • Each roller spindle drives a planetary reducer through a CNC servo motor, and the planetary reducer drives the mold spindle to rotate
  • The speed ratio can be automatically configured to ensure that the linear speed of the roller mold is consistent
  • It has a large driving torque and is suitable for bending large cross-section profiles.

Y-axis propulsion mechanism (Chinese patent)

  • Structure: The CNC servo motor drives the special reducer, and the special reducer drives the linearly movable reducer to realize the precise positioning of the intermediate spindle.
  • Advantages: High-precision positioning can be guaranteed when the spindle advances and retreats, and it is suitable for highly difficult variable curvature arc processing.

Z-axis lifting mechanism (guide roller) (Chinese patent)

  • Structure: The lifting reducer and guide device are controlled by the servo motor to realize the precise movement of the Z axis up and down;
  • Advantages: This structure is easy to adjust and has high positioning accuracy

Model of PBA-CNC aluminum bending machine

PBA-300F Aluminum Profile Bending Machine
Power:2.5KWRoller speed:1-30 rpm
Max.DIA Mold:160mmRoller DIA:30mm
Axis distance:100mmY-axis thrust: 5 tons
Accuracy Y-axis:≤0.01mmMax.torque X axis:1200 N.m
Max.Section size (W×H): 50mm×70mm
Dimension1200mm×800mm×1300mm

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PBA-400E CNC Profile Bending Machine
Power:6KWRoller speed:0~8m/min
Max.DIA Mold:200mmRoller DIA42mm
Axis distance:100-300mm Adjustable
Y-axis thrust:15 tons
Accuracy Y-axis:≤0.01mmMax.torque X axis:2000 N.m
Max.Section size (W×H): 100mm×120mm
Dimension1500mm×1300mm×1450mm

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PBA-450 Aluminum Profile Bending Machine
Power:5.5KWRoller speed:1-20 rpm
Hydraulic drive:2.2KWRoller DIA:50mm
Axis distance:180-390mm Adjustable
Y-axis thrust:15 tons
Accuracy Y-axis:≤0.01mmMax.torque X axis:1700 N.m
Weight 990kg
Dimension1740mm×680mm×1675mm
CNC 3D profile bending machine

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CNC section bending machine
Power:4KWRoller speed:1-15 rpm
Max.DIA Mold:240mmRoller DIA:50mm
Axis distance:100-300mm Adjustable
Y-axis thrust:15 tons
Accuracy Y-axis:≤0.01mmMax.torque X axis:2500 N.m
Max.Section size (W×H): 120mm×150mm
Dimension1500mm×1200mm×1400mm

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PBA 500+ 3d CNC ALUMINUM PROFILE BENDING MACHINE
Power:6.5KWRoller speed:1-15 rpm
Max.DIA Mold:240mmRoller DIA:60mm
Axis distance:270-600mm Adjustable
Y-axis thrust:20 tons
Accuracy Y-axis:≤0.01mmMax.torque X axis:4000 N.m
Max.Section size (W×H): 150mm×200mm
Dimension1600mm×1200mm×1500mm
3-dimensional CNC aluminum profile bending machine

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PBA-500F CNC Aluminum Profile Bending Machine
Power:5KWRoller speed:1-15 rpm
Roller DIA:50mm
Axis distance:310mm
Y-axis thrust:15 tons
Accuracy Y-axis:≤0.02mmMax.torque X axis:2500 N.m
Max.Section size (W×H): 120mm×150mm
Dimension1500mm×1200mm×1400mm

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PBA 600 CNC Aluminum Section Bending Machine
Power:5KWRoller speed:1-15 rpm
Roller DIA:60mm
Axis distance:270-600mm
Y-axis thrust:25 tons
Accuracy Y-axis:≤0.02mmMax.torque X axis:4500 N.m
Max.Section size (W×H): 150mm×200mm
Dimension1300mm×1200mm×1400mm

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PBA 600+ 3D CNC Aluminum Profile Bending Machine
Power:10KWRoller speed:1-15 rpm
Spindle DIA:60mm
Axis distance:370-1200mm
Y-axis thrust:25 tons
Accuracy Y-axis:≤0.02mmMax.torque X axis:6000 N.m
Max.Section size (W×H): 200mm×250mm
Dimension1800mm×1800mm×1600mm

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PBA-800 CNC ALUMINUM BENDING MACHINE
Power:10KWRoller speed:1-15 rpm
Roller DIA:80mm
Axis distance:270-600mm
Y-axis thrust:35 tons
Accuracy Y-axis:≤0.02mmMax.torque X axis:6000 N.m
Max.Section size (W×H): 200mm×250mm
Dimension1400mm×1200mm×1500mm

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PBA-1000 CNC Aluminum Bending Machine
Power:18KWRoller speed:1-15 rpm
Roller DIA:105mm
Axis distance:450~1200mm
Y-axis thrust:50 tons
Accuracy Y-axis:≤0.02mmMax.torque X axis:10000 N.m
Max.Section size (W×H): 250mm×300mm
Dimension1900mm×2000mm×1750mm

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PBA-1200 CNC aluminum profile bending machine
Power:22.5KWRoller speed:1-15 rpm
Roller DIA:125mm
Axis distance:500-1200mm
Y-axis thrust:70 tons
Accuracy Y-axis:≤0.02mmMax.torque X axis:13000 N.m
Max.Section size (W×H): 300mm×450mm
Dimension2100mm×2200mm×1850mm

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Application of CNC aluminum profile bending machine

PBA-CNC series aluminum profile bending machine is suitable for the bending of various non-standard metal profiles in the industries of building doors and windows, curtain walls, decoration, automobile industry, aerospace, high-speed rail, elevators, sanitary ware, ships, tunnels and bridges, exhibitions, advertising, and other industries.

VIDEO OF PBA-CNC ALUMINUM PROFILE BENDING MACHINE

bending T6 aluminum profiles for high-speed trains
3-D bending

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