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China High-Quality Profile Bending Machine Manufacturers Factory Price Sales

Profile Bending Machine

Since 1989, Experts in User-Friendly CNC Profile Bending Machine.
Bars, Angles, H and I Beams, Channels, Tubing, and Pipes for Steel and Aluminum Bending Made Easy.

profile bending machine
BIT’s first generation profile bending machine(1998)

Hydraulic Profile Bending Machines – PBH And PBA Series

Borisbang Industrial Technology(BIT) is one of China’s early development of profile bending technology and has been engaged in the industry for more than 30+ years. BIT meets the precision, quality, and technical performance requirements of a wide range of customers and industries around the globe.
BIT’s CNC profile bending machine assures easy operation, precise bends, and high repeatability. Extremely user-friendly, again they are also completely accessible for apprentices and experienced operatives alike, for steel and aluminum profile bending Made Easy.
BIT offers 3 types of Profile Bending Machines(PBH, PBA, MS), they are used for bending angle irons, flat bars, Tee-beam, H-beam, I-beam, U channels, round & square bar, pipe, and square tubing, and complex extruded profiles.

The profile bending process video of BIT steel & aluminum profile bending machine

Notes: The first half is steel profile bending, and the second half is aluminum profile bending video.

Six steps of profile bending

  • Steps 1#: Loading bending metal profiles – the metal profile is inserted in between the top roller and the right lower roller. The metal profile can be supported if necessary and is not subject to deformation stress.
  • Steps 2#: The right lower roller up to the top roller movement achieves the pinching position – the metal profile is blocked in between the rolls and can be moved forward and backward rotating the rolls. The pressure exercised is lower than the one necessary to deform the profile.
  • Steps 3#: Pre-bending between the top roller and the left roller – the right roller slowly rises, starts rolling, and performs pre-bending between the top roller and the left roller.
  • Steps 4#: Working phase – in this phase the pressure increases and the deformation of the profile takes place, by translation of the profile and movement of the rolls.
  • Steps 5#: Pre-bending between the top roller and the right roller – The left roller is down and the right roller is raised. The material is sent to the left and the three rolls begin rolling, pre-bending between the top roller and the right roller.
  • Steps 6#: Unloading of the metal profile – the pressure on the profile is eliminated and is increased the space between the rollers so that the profile can be extracted from the machine.

It is clear that, in order to load the profile on the machine, a sufficient distance between the rollers must be present. It is also clear that, in order to block the profile in between the rolls and to apply pressure, it is necessary that this distance is reduced. Une or more rollers must be capable to move with respect to the others.

Three Models of BIT Profile Bending Machines

aluminum profile bending machine
PBA Aluminum Profile Bending Machine

PBA Series CNC Aluminum Profile Bending Machines

Three dimensional(3D) bending
Up to 15 Independent Controllable Servo Axes. CNC control. Accuracy is as high as ≤0.01mm.
Suitable for bending aluminum profiles for automobiles, doors, and windows.
Bending Capacity Parameters

More Details

w24s profile bending machine
PBH Steel Profile Bending Machine

PBH Series CNC/PLC Steel Profile Bending Machines

Up to 9 sets of hydraulic drive components, 3D bending guide rollers, and accurate bending of various metal profiles.
Can roll bending copper, carbon steel, stainless steel, and aluminum profiles: angle iron, channel, H-beam, I-beam, flat bar, round & square bar, pipe, and square tubing.
Bending Capacity Parameters

More Details

section bender
MS Series Manual Profile Bending Machines

MS Series Manual Single-pinch Profile Bending Machines

Side guide rollers are installed on both sides of the machine to ensure bending quality;
Simple operation, small size, and complete functions. By changing the mold, various metal profiles can be rolled;

More Details

Parameters of PBA Aluminum Profile 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

Bending Capacity Parameters of PBH Profile Bending Machine

If the bending section you need is larger than the size in the chart, please contact us. The maximum section modulus of BIT can reach 1000CM3.
ModelPBH 120PBH 140PBH 200PBH 300PBH 360PBH 450PBH 500PBH 550PBH 600PBH 700
hard way bend flat barMax.Section(mm)
Min.Bending DIA(mm)
80×10
Φ800
100×25
Φ900
120×25
Φ1000
150×30
Φ1500
175×40
Φ2500
200×50
Φ2500
250×70
Φ3500
250×70
Φ3500
300×70
Φ4000
300×80
Φ5000
Easy way to bend flat barMax.Section(mm)
Min.Bending DIA(mm)
180×20
Φ400
200×35
Φ600
250×30
Φ1000
250×40
Φ1000
350×50
Φ1500
400×60
Φ2000
450×70
Φ1000
500×80
Φ1200
500×100
Φ1600
650×100
Φ2000
bend square barMax.Section(mm)
Min.Bending DIA(mm)
50×50
Φ500
60×60
Φ600
70×70
Φ800
80×80
Φ1500
110×110
Φ1600
130×130
Φ2000
145×145
Φ2500
165×165
Φ3000
200×200
Φ3500
240×240
Φ4000
pipe profiles bentMax.Section(mm)
Min.Bending DIA(mm)
76×4
Φ700
102×4
Φ1000
140×4
Φ1800
170×6
Φ2000
219×6
Φ2500
245×8
Φ3000
325×8
Φ4000
400×8
Φ8000
452×10
Φ8000
510×20
Φ1000
square tube profile bentMax.Section(mm)
Min.Bending DIA(mm)
65×65×6
Φ1000
90×90×6
Φ1500
100×100×6
Φ2000
120×120×8
Φ3000
150×150×8
Φ5000
180×180×10
Φ6000
200×200×10
Φ8000
250×250×12
Φ10000
300×300×12
Φ15000
350×350×12
Φ30000
angle iron profile bent toes inMax.Section(mm)
Min.Bending DIA(mm)
80×80×10
Φ1000
100×100×12
Φ1200
120×120×12
Φ1500
140×140×14
Φ1500
160×160×20
Φ1800
180×180×20
Φ3000
200×200×20
Φ4000
200×200×28
Φ4000
200×200×30
Φ4500
200×200×30
Φ4500
angle iron profile bent toes outMax.Section(mm)
Min.Bending DIA(mm)
80×80×10
Φ1500
100×100×12
Φ2000
120×120×12
Φ2000
140×140×14
Φ2500
160×160×20
Φ3000
180×180×20
Φ4000
200×200×20
Φ4500
200×200×28
Φ6000
200×200×30
Φ8000
200×200×30
Φ8000
channel profiles bent toes inMax.Section(mm)
Min.Bending DIA(mm)
120
Φ600
140
Φ600
200
Φ1000
300
Φ1200
360
Φ2000
450
Φ2500
500
Φ3000
550
Φ4000
600
Φ5000
700
Φ6000
channel profiles bent toes outMax.Section(mm)
Min.Bending DIA(mm)
120
Φ600
140
Φ600
200
Φ1000
300
Φ1200
360
Φ2000
450
Φ2500
500
Φ3000
550
Φ4000
600
Φ5000
700
Φ6000
tee profile bentMax.Section(mm)
Min.Bending DIA(mm)
80×80×9
Φ700
80×80×10
Φ800
100×100×10
Φ1000
130×130×15
Φ1500
150×150×20
Φ2000
180×180×20
Φ3000
200×200×20
Φ3000
250×250×30
Φ4000
300×300×30
Φ4000
350×350×30
Φ5000
Easy way to bend h-beamMax.Section(mm)
Min.Bending DIA(mm)
120
Φ600
140
Φ600
200
Φ1000
300
Φ1200
360
Φ2000
450
Φ2500
500
Φ3000
550
Φ4000
600
Φ5000
700
Φ6000
hard way to bend h-beamMax.Section(mm)
Min.Bending DIA(mm)
140
Φ4000
160
Φ6000
200
Φ9000
240
Φ15000
320
Φ32000
400
Φ35000
450
Φ40000
500
Φ40000
Sectional modulus cm 3 10-2016-4545-7575-140140-180180-250250-320320-400400-500500-600
Motor power(kW) 5.511111518.52230373745
Notes: A profile bending machine is also known as a angle rolls as it is used to bend pipe objects also. BIT’s PBH series profile bender ( profile tube bending machines) are suitable to use when it comes to bending objects like pipes, tubes, etc. These are used due to their high precision quality and the preference of the customers. Please refer to the following website for the user manual: User Manual

Top 5 Things to Consider Before Buying A Profile Bending Machine

Choosing a CNC Profile Bending Machines may seem difficult but it really breaks down into a few simple steps. First, determine the maximum size and type of material you will be rolling. Next determine the types of profiles (angles, flats, tubes, etc.) that you will be forming. Lastly determine if you will be rolling material into one simple radius or if you will have or need the ability to have, the capability of forming variable radii.

1#: Yield strength

Regarding the yield strength of the angle iron roller, BIT machines are uniformly calculated based on the yield value of Q235 and have a yield strength of between 36,000 and 38,000 pounds per square inch (PSI). If you have special requirements, please indicate the yield strength of the metal material in the inquiry. The yield value of Q235: refers to the yield value of this material, around 235MPa.

2#: Correctly sized

Whether operators are bending angle iron, tool choice is critical. The tools need to fit the profile yet not be so tight as to negatively affect workpiece shrinkage and growth. A tool that’s too tight can cause localized distortion and, at worst, actually gouge the material surface.
When operators need to bend an open profile like an angle, they have fewer distortion-mitigating tools at their disposal. Beyond tool choice and fit-up, angle iron roller must choose a correctly sized machine, one with sufficient forming tonnage and adequate grip lengths—enough to provide the needed leverage to reduce distortion, but not so long that they will require an excessively long sacrificial straight section, the long sacrificial flat section becomes expensive scrap, reducing the roll shop’s competitiveness.

3#: Different bending capacities

The types of metal a profile bending machine can process largely depend on its bending capacity, we use the section modulus to evaluate the capabilities of the angle iron roller.
Capacity is one of the most notable differences between these profile bending machines, each angle roll has a section modulus rating. Make a list of the materials and the size of the metal profile you work with on a regular basis and consult an expert to figure out what type of profile bending machine is best for you. When determining which angle roll machine is best suited for the task one has at hand, it is important to research what each profile bending machine is designed to do and to understand the materials that one will be working with.
We provided detailed information about the section bending machines, such as capacity and yield.

4#: Unbend end flat

PBH Series profile bending machine has the independent motion of the two lower rollers allowing the operator to minimize the sacrificial unbent flat sections on the workpiece. Beyond this, operators can fine-tune the roll position to minimize the unbent flat even further.

Again, typically a roll shop that bends a small workpiece on a large profile bending machine (section bending machine) must factor in a long flat section, which increases material costs. Due to the advantages of its structure and working principle, the Double-Pinch Profile Bending Machine solves this problem well.

5#: View Bending Capacity Table

Compare the information about how much force an angle iron roller can produce and what kind of metals (sheet, roll, etc.) it is designed to handle, and compare this to your site’s mill certificates or other relevant information to see which profile bending machine best fits your needs.
Below we also provide the processing capabilities of the PBH Profile Bending Machine for your reference.

Basic Knowledge of Profile Bending Machine

What Is Profile Bending Machine?

Profile bending machine(aka section bending machines, and angle roll) is equipment for the radial forming of metal profiles. It works similarly to a plate rolling machine. However, its design is much more complex. It is equipment that cold-bending metal profiles according to the principle of the three-point circle. Profile benders can curve a wide variety of metal profiles (such as carbon steel, stainless steel, aluminum, copper, etc.) into round, arc, spiral, and other workpieces.
Working Principle: The working principle of the profile bending machine is roll bending, it is a process whereby obtains cold process deformation with a wider bend radius that theoretically can range from 5 times the cross-section to infinity. The metal profile is made to pass through a set of three rollers that, after one or more passages (depending on the difficulty of bending), will form an arch with the required radius of curvature. Roll-bending is, generally speaking, a simpler process than bending.
Metal Profile: A profile is the constant cross-sectional shape of a straight length of material. The profiles or “sections” as they are often called, can be elementary shapes or very unique custom-designed extrusions. Not only can the profiles vary in complexity, but so can the curved design of the overall product.
What is profile bending? Metal profile bending refers to the production of curved lengths of steel, aluminum, brass, and other various metals with specific profile shapes.

Read More: Roll Bending in 12 Metal Bending Processes

Double-pinch profile bending machine

bending process of 3-roll section bending machine
bending process of 3-roll profile bending machine

PBH and PBA series double-pinch profile bending machines that come in 3-roll or 4-roll. The Double-Pinch Bending Machine with High-Precision, High Productivity, and Long-Term Reliability.

The advantages of double-pinch machines

angle roll
3-roll profile bending machine

3-roll double-pinch angle rolls are economical profile bending machines that are relatively easy to operate. The side rolls are positioned to the right and left of the top roll and are on the same axis.

The axis of each roll helps make the bend. The “back” side roll (at the far side of the feeding point) also functions as a back gauge to square the plate for proper alignment. This eliminates the need for someone to assist the operator. Three-roll, double-pinch section bending machines do not require the operator to remove, flip, and then try to square the plate a second time after pre-bending, as is the case with three-roll, initial-pinch machines.

bending process of four-roll section bending machine
bending process of 4-roll profile bending machine
angle roll
4-roll profile bending machine

The 4-rollers machine has one more pressure roller than the 3-rollers machine, which can clamp the profile more under the upper roller and improve the bending accuracy, but it will make the operator’s operation more cumbersome while reducing the bending ability of the same model.

Whilst four rollers CNC profile bending machines produce fast, accurate bends, three roll machines are ideal for fabricators working with a wide range of material types.

Working principle

The double-pinch profile bending machine has two bending modes: symmetrical bending, and asymmetrical bending.

The relative position change of the workpiece (through the up and down movement of the upper roller shaft or the lower and upper roller shaft) and the pressure generated during the rotation movement in the direction perpendicular to the deformation of the profile itself cause the profile to produce continuous plastic deformation (make the outer layer of the profile Deformation) The fiber stretches, the inner fiber shrinks to produce bending deformation, the middle fiber does not change), and the workpiece with a predetermined shape is obtained at room temperature (we call it cold bending).

Symmetrical bending of profile bending machine
Symmetrical bending

Symmetrical bending

Refers to the three rollers in a symmetrical shape (pyramid shape) during bending. The upper roller or the two lower rollers rotate in a symmetrical relative position at the center to apply pressure to the profile to produce plastic deformation
Disadvantages: It is not possible to pre-bend the profile. There are larger straight edges at the end of the workpiece after bending, which causes waste.

 asymmetrical bending of profile bending machine
asymmetrical bending

Asymmetrical bending

Refers to the asymmetrical shape of the three rollers during bending. The upper roller and the two lower rollers move vertically at asymmetrical central positions, and the upper roller or the two lower rollers rotate to exert pressure on the profile. Produce plastic deformation. The end of the profile can be pre-bent.