4-Roll Hydraulic Plate Bending Machine

A hydraulic 4-roll plate bending machine for full circles, half circles, cones, ovals and radii — the plate stays clamped while both ends are pre-bent.

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Key specs

Rolling thickness: 6 – 50 mm
Working length: 2,050 – 6,100 mm
Pre-bending: Up to 40 mm
Shapes: Cylinders, cones, ovals, arcs
Rolls: Hardened

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Why this machine

Always clamped

The bottom roll holds the plate against the top roll the whole time — no slipping, accurate rolling.

Pre-bend both ends

The side rolls pre-bend each end without taking the plate out, leaving a minimal flat.

Easy to feed

Horizontal loading at feed level, ready for motorized roller tables.

Standard equipment

Fixed top roll, clamping bottom roll, two side rolls
Hardened rolls
Hydraulic safety drop-end
Settings from the control panel

Options

Digital display or NC control
Top support (lift)
Side supporting arms
Motorized feed tables

Technical data

Model	Working length (mm)	Rolling thickness (mm)	Pre-bending thickness (mm)	Top roll Ø (mm)	Bottom roll Ø (mm)	Side rolls Ø (mm)	Motor (kW)	Weight (kg)
4R BM 2008	2,050	8	6	190	170	150	7.5	3,500
4R BM 2010	2,050	10	8	210	190	170	11	4,500
4R BM 2013	2,050	13	10	230	210	190	11	5,000
4R BM 2016	2,050	16	13	280	250	220	15	6,000
4R BM 2020	2,050	20	16	310	270	240	19	7,000
4R BM 2025	2,050	25	20	330	300	250	19	8,500
4R BM 2030	2,050	30	25	360	330	260	26	11,500
4R BM 2040	2,050	40	30	390	360	300	30	16,000
4R BM 2045	2,050	45	35	420	390	330	30	18,000
4R BM 2050	2,050	50	40	460	420	380	37	19,500
4R BM 2508	2,550	8	6	210	190	170	11	5,000
4R BM 2510	2,550	10	8	230	210	190	11	5,500
4R BM 2513	2,550	13	10	280	250	220	15	7,000
4R BM 2516	2,550	16	13	310	270	240	19	9,500
4R BM 2520	2,550	20	16	330	300	250	19	13,000
4R BM 2525	2,550	25	20	360	330	260	26	16,000
4R BM 2530	2,550	30	25	390	360	300	30	18,000
4R BM 2540	2,550	40	30	420	390	330	30	20,000
4R BM 2545	2,550	45	35	460	420	370	37	22,500
4R BM 2550	2,550	50	40	510	460	400	45	31,000
4R BM 3006	3,100	6	4	210	190	170	11	5,300
4R BM 3008	3,100	8	6	230	210	190	11	6,000
4R BM 3010	3,100	10	8	280	250	220	15	7,000
4R BM 3013	3,100	13	10	310	270	240	19	8,500
4R BM 3016	3,100	16	13	330	300	250	19	10,500
4R BM 3020	3,100	20	16	360	330	260	26	12,000
4R BM 3025	3,100	25	20	390	360	300	30	17,000
4R BM 3030	3,100	30	25	420	390	330	30	22,500
4R BM 3040	3,100	40	30	460	420	370	37	26,000
4R BM 3045	3,100	45	35	510	460	400	45	33,000
4R BM 3050	3,100	50	40	550	510	450	52	40,000
4R BM 4006	4,100	6	4	270	230	210	19	9,500
4R BM 4008	4,100	8	6	300	260	230	26	11,500
4R BM 4010	4,100	10	8	330	300	250	26	14,000
4R BM 4013	4,100	13	10	360	330	260	30	16,000
4R BM 4016	4,100	16	13	390	360	300	30	20,000
4R BM 4020	4,100	20	16	420	390	330	37	24,000
4R BM 4025	4,100	25	20	460	420	370	37	34,000
4R BM 4030	4,100	30	25	510	460	400	45	38,000
4R BM 4040	4,100	40	30	550	510	450	52	48,000
4R BM 6006	6,100	6	4	330	300	250	26	18,000
4R BM 6008	6,100	8	6	360	330	260	30	22,500
4R BM 6010	6,100	10	8	390	360	300	30	27,000
4R BM 6013	6,100	13	10	420	390	330	37	32,000
4R BM 6016	6,100	16	12	460	420	370	37	40,000
4R BM 6020	6,100	20	16	510	460	400	45	48,500
4R BM 6025	6,100	25	20	550	510	450	52	60,000
4R BM 6030	6,100	30	25	600	560	490	66	67,000
4R BM 6040	6,100	40	28	640	600	520	75	73,500

Capacities are for steel with a yield strength of 24 kg/mm² (≈235 MPa). Values from the manufacturer. Specifications may change without notice — ask us for the exact configuration you need.

Installed and supported by B-Mak

Every machine includes installation, commissioning and operator training. After that, we stay: maintenance, repairs and parts.

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