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

Manual (1): Basics, Technical Parameters, Structure
Operation Manual (2): Bending Process And Universal Mold (Angle Iron Roller Dies)
Operation Manual (3): Lubrication of PBH Section bending machine/Analysis And Elimination Of Common Faults In Hydraulic Systems
Operation Manual (4): Machine installation and commissioning/Safe operation and maintenance

Purpose and basic parameters of PBH section bending machine

Purpose

Working video of PBH-200 Angle Roll s

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
	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
	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
	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
	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
	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
	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
	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
	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
	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
	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
	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
	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

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)

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