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Bending Machine Manual: Square Pipe, Bar, Angle Iron, H-Beam, I-Beam, Aluminum, Channel, Tube

PBH Series Angle Roll/Profile Bending Machine Operation Manual

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Content

Purpose and basic parameters of PBH section bending machine

Purpose

Working video of PBH-200 Angle Rolls

PBH Series Section Bending Machine is a three-roller profile bending machine (aka, Angle Roll, Angle Ring Roller) with an arc-down type, which is a general equipment specially used for profile bending. It can be used to roll profiles into circular, curved, spiral and other workpieces, widely used in petroleum, chemical, shipbuilding, hydropower, metal structure, and machinery manufacturing industries.

PBH Series Section Bending Machine Technical Parameters

Model   PBH 120 PBH 140 PBH 200 PBH 300 PBH 360 PBH 450 PBH 500 PBH 550 PBH 600 PBH 700
bar profiles bent hard way Max.Section(mm) 80×10 100×25 120×25 150×30 175×40 200×50 250×70 250×70 300×70 300×80
Min.bending DIA(mm) Φ800 Φ700 Φ1000 Φ1500 Φ1500 Φ2500 Φ3500 Φ3500 Φ4000 Φ5000
bar profiles bent easy way Max.Section(mm) 180×20 200×35 250×30 250×40 350×50 400×60 450×70 500×80 500×100 650×100
Min.bending DIA(mm) Φ1500 Φ600 Φ1000 Φ1000 Φ900 Φ2000 Φ1000 Φ1200 Φ1600 Φ2000
square bar profiles bent Max.Section(mm) 50×50 60×60 70×70 80×80 110×110 130×130 145×145 165×165 200×200 240×240
Min.bending DIA(mm) Φ500 Φ600 Φ800 Φ1500 Φ1600 Φ2000 Φ2500 Φ3000 Φ3500 Φ4000
pipe profiles bent Max.Section(mm) Φ76×4 Φ102×4 Φ140×4 Φ170×6 Φ219×6 Φ245×8 Φ325×8 Φ400×8 Φ452×10 Φ510×20
Min.bending DIA(mm) Φ700 Φ1000 Φ1800 Φ2000 Φ2500 Φ3000 Φ4000 Φ8000 Φ8000 Φ10000
square tube profile bent Max.Section(mm) 65x65x6 90x90x5 100x100x6 120x120x8 150x150x8 180x180x10 200x200x10 250x250x12 300x300x12 350x350x12
Min.bending DIA(mm) Φ1000 Φ1500 Φ2000 Φ3000 Φ5000 Φ6000 Φ8000 Φ10000 Φ15000 Φ30000
angle profile bent toes in Max.Section(mm) 80x80x10 100x100x12 120x120x12 140x140x14 160x160x20 180x180x12 200x200x20 200x200x28 200x200x30 200x200x30
Min.bending DIA(mm) Φ1000 Φ1200 Φ1500 Φ1500 Φ1800 Φ3000 Φ4000 Φ4000 Φ4500 Φ4500
angle profile bent toes out Max.Section(mm) 80x80x10 100x100x12 120x120x12 140x140x14 160x160x20 180x180x12 200x200x20 200x200x28 200x200x30 200x200x30
Min.bending DIA(mm) Φ1500 Φ2000 Φ2000 Φ2500 Φ3000 Φ4000 Φ4500 Φ6000 Φ8000 Φ8000
channel profile bent toes in Max.Section(mm) 120 140 200 300 360 450 500 550 600 700
Min.bending DIA(mm) Φ600 Φ600 Φ1000 Φ1200 Φ2000 Φ2500 Φ3000 Φ4000 Φ5000 Φ6000
channel profile bent toes out Max.Section(mm) 120 140 200 300 360 450 500 550 600 700
Min.bending DIA(mm) Φ600 Φ600 Φ1000 Φ1200 Φ2000 Φ2500 Φ3000 Φ4000 Φ5000 Φ6000
tee profile bent Max.Section(mm) 80x80x9 80x80x10 100x100x10 130x130x15 150x150x20 180x180x20 200x200x20 250x250x30 300x300x30 350x350x35
Min.bending DIA(mm) Φ700 Φ800 Φ1000 Φ1500 Φ2000 Φ3000 Φ3000 Φ4000 Φ4000 Φ5000
I beam profiles bent.jpg Max.Section(mm) 120 140 200 300 360 450 500 550 600 700
Min.bending DIA(mm) Φ600 Φ600 Φ1000 Φ1200 Φ2000 Φ2500 Φ3000 Φ4000 Φ5000 Φ6000
H beam profiles bent.jpg Max.Section(mm)     120 160 200 240 320 400 450 500
Min.bending DIA(mm)     Φ4000 Φ6000 Φ9000 Φ15000 Φ32000 Φ35000 Φ40000 Φ40000
Sectional modulus cm 3 10-20 16-45 45-75 75-140 140-180 180-250 250-320 320-400 400-500 500-600
Motor power 5.5 11 11 15 18.5 22 30 37 37 45

Overview of the structure and performance of the PBH section rolling machine

Overview of the structure

型材弯曲机
Figure 1

The PBH Section Bending Machine is a double-pinch 3-roll bending machine. In the shape of the machine (see Figure 1), the body is welded with a steel plate. 

Important notes: All the PBH section bending machines we produce can be installed both in horizontal and vertical positions.

Rotation Transmission Mechanism of PBH Section Bending Machine

The main roller performs a rotary motion by the power transmitted by the hydraulic motor, the gear, and the sprocket. The two side rollers can move in an arc around the central shaft. The power transmitted by the hydraulic motor and the gears is rotated simultaneously with the main shaft. The support rollers are mounted on both sides of the side rollers so that the support rollers can do arc motion with the side rollers. Lifting movements can be made through the respective lifting cylinders. Transmission diagram (see Figure 2).

Performance of PBH series angle rolls

Working video of 3D guide roll of PBH angle iron roller

The three rollers of the section bending machine are all driving rollers. The end of the profile can be pre-bent during angle rolling, and the distortion of the profile during angle rolling can be corrected by adjusting the guide roll. All of the above movements are achieved by button operations on the electrical control cabinet.

Note: During the angle rolling process, the rotary motion of the three rollers and the lifting movement of the side rollers cannot be performed at the same time to avoid malfunction. After the three rollers are installed, the side rollers can be lifted and moved. After the mold of three rollers is installed, the side rollers can be raised and lowered.

Pre-bending and bending of the machine

Operations can be divided into symmetrical bending and asymmetric bending (Figure 2):

Figure 3: Symmetric bending (L) and Asymmetric bending (R)

Read More: Profile Bending Machine: 5 Things Before Buy, 6 Steps to Bend

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