RBD-4HD • RBD-4HL

Four-Roll Hydraulic Bending Machine

RBD-4HD • RBD-4HLFour-Roll Hydraulic Bending Machine

Our Four-Roll Hydraulic Bending Machine uses top brand components like Siemens, Rexroth, Bosch, Parker, Atos, Telemechanique, SKF, NSK, and FAG to ensure high-quality lifelong performance. Over 50 years of experience in sheet metal bending and thousands of reference customers guarantee you first class support in any application or maintenance question. With our optional extras, upgrade your level of automation to raise your production and flexibility.  SAE 1550 (CK 45) induction hardened steel rolls resist warping or deformation. Cones easily unload from the machine via the modular top roll. Shipbuilding, tank, and truck industries utilize our machines.

  • For medium and heavy bending tasks
  • Solid welded frame construction
  • High-quality, heavy-duty ball bearings ensure minimum friction and even rotation of the bending rollers
  • Hydraulic roller is driven by independent drive motors and planetary gearboxes
  • Planet gears are mounted directly on the rollers, resulting in the transmission of force taking place without loss of force or power
  • Torsion bars and hydraulic units used simultaneously to consequently ensure maximum machining accuracy and production flexibility

Standard configuration

  • Overload protection
  • Hydraulic top and side rolls (3 pcs.)
  • Digital readout for top and side rolls
  • Hydraulic closure for easy removal of bent parts
  • Welded, heavy steel frame
  • Induction hardened rolls made of SAE 1050 (CK 45) steel
  • Conical bending device
  • Automatic lubrication
  • Electronic/mechanical balancing device
  • 2 bending speeds
  • Operation manual

Optional configuration

  • NC or CNC control system for bend automation
  • Central overhead support
  • Lateral supports
  • Material feeding
  • Continuous bending speed
  • Hydraulic work piece ejector
  • Ground and polished rolls
  • Small top roller for minimum bending radii

Get a quote or call (610) 441-7317

Click here to find out more about our four roll plate rolls from our friends at The Fabricator!

Specifications RBD-4HD
2050/20 2050/25 2050/30 2550/16 2550/20 2550/25 2550/30 2550/45 3100/12 3100/16
6’ x 0.75” 6’ x 1” 6’ x 1.15” 8’ x 0.6” 8’ x 0.75” 8’ x 1” 8’ x 1.15” 8’ x 1.75” 10’ x 0.45” 10’ x 0.6”
Bending length mm 2050 (80”) 2550 (99”) 3100 (120”)
Bending capacity* mm 20 (0.75”) 25 (1”) 30 (1.15”) 16 (0.6”) 20 (0.75”) 25 (1”) 30 (1.15”) 45 (1.75”) 12 (0.45”) 16 (0.6”)
Pre-bending capacity* mm 16 (0.6”) 20 (0.75”) 25 (1”) 12 (0.45”) 16 (0.6”) 20 (0.75”) 25 (1”) 35 (1.35”) 10 (0.4”) 12 (0.45”)
Top & bottom rolls mm Ø 280 (11”) Ø 320 (12.5”) Ø 350 (13.5”) Ø 280 (11”) Ø 320 (12.5”) Ø 350 (13.5”) Ø 380 (14.5”) Ø 460 (18”) Ø 280 (11”) Ø 320 (12.5”)
Side rolls mm Ø 220 (8.5”) Ø 240 (9.5”) Ø 260 (10”) Ø 220 (8.5”) Ø 220 (8.5”) Ø 260 (10”) Ø 300 (11.5”) Ø 380 (14.5”) Ø 220 (8.5”) Ø 240 (9.5”)
Main motor kW 15 (20 Hp) 18.5 (25 Hp) 22 (30 Hp) 15 (20 Hp) 18.5 (25 Hp) 22 (30 Hp) 30 (40 Hp) 38.5 (50 Hp) 15 (20 Hp) 18.5 (25 Hp)
Weight kg 8550
(18,810 lbs)
10240
(22,500 lbs)
11000
(24,200 lbs)
9200
(20,240 lbs)
11000
(24,200 lbs)
13000
(28,600 lbs)
14000
(30,800 lbs)
22500
(49,500 lbs)
10000
(22,000 lbs)
13000
(28,600 lbs)

*The above specifications are subject to change without prior notice. No liability for printing mistakes. Machine may be shown with optional equipment.
** Bending capacities are given for 24 kg/mm2 yielding strength, minimum dia. top roll x 5 (For cone, bending capacities needs to be reduced. Call for details.)

Specifications RBD-4HD
3100/20 3100/25 3100/30 3100/45 3100/60 4100/8 4100/12 4100/16 4100/20 4100/40
10’ x 0.75” 10’ x 1” 10’ x 1.15” 10’ x 1.75” 10’ x 2.35” 13’ x 0.3” 13’ x 0.45” 13’ x 0.6” 13’ x 0.75” 13’ x 1.5”
Bending length mm 3100 (120”) 4100 (160”)
Bending capacity* mm 20 (0.75”) 25 (1”) 30 (1.15”) 45 (1.75”) 60 (2.35”) 8 (0.3”) 12 (0.45”) 16 (0.6”) 20 (0.75”) 40 (1.5”)
Pre-bending capacity* mm 16 (0.6”) 20 (0.75”) 20 (0.75”) 35 (1.3”) 45 (1.75”) 6 (0.25”) 10 (0.4”) 12 (0.45”) 16 (0.6”) 30 (1.15”)
Top & bottom rolls mm Ø 350 (13.5”) Ø 380 (14.5”) Ø 400 (15.5”) Ø 500 (19.5”) Ø 580 (22.5”) Ø 280 (11”) Ø 350 (13.5”) Ø 380 (14.5”) Ø 400 (15.5”) Ø 550 (21”)
Side rolls mm Ø 260 (10”) Ø 300 (11.5”) Ø 300 (11.5”) Ø 400 (15.5”) Ø 450 (17.5”) Ø 220 (8.5”) Ø 260 (10”) Ø 300 (11.5”) Ø 300 (11.5”) Ø 450 (17.5”)
Main motor kW 22 (30 Hp) 30 (40 Hp) 38.5 (50 Hp) 45 (60 Hp) 73 (100 Hp) 15 (20 Hp) 22 (30 Hp) 30 (40 Hp) 38.5 (50 Hp) 66 (90 Hp)
Weight kg 15000
(33,000 lbs)
18000
(39,600 lbs)
20000
(44,000 lbs)
36000
(79,200 lbs)
55000
(121,000 lbs)
13000
(28,600 lbs)
19000
(41,800 lbs)
22000
(48,400 lbs)
25000
(55,000 lbs)
54000
(118,800 lbs)

*The above specifications are subject to change without prior notice. No liability for printing mistakes. Machine may be shown with optional equipment.
** Bending capacities are given for 24 kg/mm2 yielding strength, minimum dia. top roll x 5 (For cone, bending capacities needs to be reduced. Call for details.)

Specifications RBD-4HD
6100/8 6100/10 6100/13 6100/20 6100/30
20’ x 0.31” 20’ x 0.39” 20’ x 0.51” 20’ x 0.78” 20’ x 1.18”
Bending length mm 6100 (240″)
Bending capacity* mm 8 (0.31”) 10 (0.39”) 13 (0.51”) 20 (0.78”) 30 (1.18”)
Pre-bending capacity* mm 6 (0..24”) 8 (0.31”) 10 (0.39”) 16 (0.63”) 25 (0.98”)
Top & bottom rolls mm Ø 350 (13.7”) Ø 380 (14.9”) Ø 400 (15.74”) Ø 500 (19.69”) Ø 620 (24.4”)
Side rolls mm Ø 260 (10.23”) Ø 300 (11.8”) Ø 300 (11.8”) Ø 400 (15.74”) Ø 520 (20.47”)
Main motor kW 23.5 (32 Hp) 31.5 (42 Hp) 38.5 (53 Hp) 60 (82 Hp) 123 (168.5 Hp)
Weight kg 24000 (52,922 lbs) 28250 (62,293 lbs) 30000 (66152 lbs) 67500 (148,842 lbs) 88500 (195,149 lbs)

 

Specifications RBD-4HL
1050/8 1550/8 2050/4 2050/8 2050/13 2550/6 2550/13 3100/5 3100/8 3100/10
3’ x 0.3” 5’ x 0.3” 6’ x 0.15” 6’ x 0.3” 6’ x 0.5” 8’ x 0.25” 8’ x 0.5” 10’ x 0.2” 10’ x 0.3” 10’ x 0.4”
Bending length mm 1050 (41”) 1550 (60”) 2050 (80”) 2550 (100”) 3100 (120”)
Bending capacity* mm 8 (0.3”) 8 (0.3”) 4 (0.15”) 8 (0.3”) 13 (0.5”) 6 (0.25”) 13 (0.5”) 5 (0.2”) 8 (0.3”) 10 (0.4”)
Pre-bending capacity* mm 6 (0.25”) 6 (0.25”) 3 (0.12”) 6 (0.25”) 10 (0.4”) 4 (0.15”) 10 (0.4”) 3 (0.12”) 6 (0.25”) 8 (0.3”)
Top & bottom rolls mm Ø 150 (5.85”) Ø 170/160 (6.5/6.25”) Ø 150 (5.85”) Ø 190 (7.25”) Ø 245 (9.5”) Ø 190 (7.25”) Ø 260 (10”) Ø 190 (7.25”) Ø 245 (9.5”) Ø 260 (10”)
Side rolls mm Ø 130 (5”) Ø 150 (5.85”) Ø 130 (5”) Ø 150 (5.85”) Ø 180 (7”) Ø 150 (5.85”) Ø 200 (7.8”) Ø 150 (5.85”) Ø 180 (7”) Ø 200 (7.8”)
Main motor kW 4 (5.5 Hp) 4 (5.5 Hp) 4 (5.5 Hp) 5.5 (7.5 Hp) 7.5 (10 Hp) 5.5 (7.5 Hp) 7.5 (10 Hp) 5.5 (7.5 Hp) 7.5 (10 Hp) 7.5 (10 Hp)
Weight kg 1850
(4,070 lbs)
2500
(5,500 lbs)
2650
(5,830 lbs)
3500
(7,700 lbs)
5300
(11,660 lbs)
4000
(8,800 lbs)
6740
(14,800 lbs)
4500
(9,900 lbs)
6600
(14,500 lbs)
7480
(16,500 lbs)

*The above specifications are subject to change without prior notice. No liability for printing mistakes. Machine may be shown with optional equipment.
** Bending capacities are given for 24 kg/mm2 yielding strength, minimum dia. top roll x 5 (For cone, bending capacities needs to be reduced. Call for details.)


Get a quote

A sales rep will contact you to answer questions and provide a detailed quote.

Or call now: +1 610-441-7317

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In-Stock in Pennsylvania:

Machine Capacity Configuration Availability
RBD 3M 12/5 3/16″ x 4′ Standard Immediately
RBD 3M 20/1.5 16 Ga x 6′ Standard Immediately
RBD 3M 15/6 1/4″ x 5′ Standard Immediately
RBD 4H 2050/6 1/4″ x 6′ Standard Immediately

*Stock subject to prior sale. Please call us to confirm: +1 (610) 441-7317


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