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Bending Machine Solutions & Equipment
Industrial bending machines, electro-hydraulic CNC press brakes, and sheet metal folding equipment provide high-precision programmable angular forming for metal sheets and heavy structural plates. Featuring synchronized dual-cylinder Y1/Y2 hydraulic systems, high-rigidity stress-relieved steel frames, automatic dynamic crowning compensation, and multi-axis CNC backgauges, these machines deliver sub-millimeter positioning and certified bend angular accuracy across architectural trim fabrication, electrical enclosure manufacturing, and heavy structural steel processing.
3 Ton Uncoiler Decoiler Machine Sheet Metal American Uncoiling- ZTRFM 3TON Hydraulic decoiler
$4,000.00
MOQ: 1
Anchor Rod Cold Bending Roll Forming Machine Anchor Rod Making Machine- ZT pipe rollforming machine+40mm
$10,000.00
MOQ: 1
2 M 4 M 6 M 8 M Metal Steel Stainless Steel Galvanized Steel- ZTRFM-Bending
$8,900.00
MOQ: 1
Color Steel Galvanized Steel Edge Bending Machine Metal Edage- ZTRFM-bending+6KW
$8,500.00
MOQ: 1
4m 6m Metal Sheet Plate Bending Machine- bending machine
$6,000.00
MOQ: 1
6M 3M Heavy-Duty Hydraulic Sheet Metal Bending Machine- Standard 6M Hydraulic Bending Machine (15KW, 400T-600T)
$5,999.00
MOQ: 1
High Precision Metal Bending Machine for Industrial Forming- High Precision
$23,000.00
MOQ: 1
About Bending Machine Solutions & Equipment
Industrial bending machines represent an indispensable core capability in sheet metal fabrication and structural steel manufacturing, complementing continuous roll forming lines by fabricating custom flashing profiles, structural bracket angles, and enclosure boxes. Modern press brakes utilize electro-hydraulic proportional servo valve technology, where independent optical linear encoders continuously monitor the position of the left and right hydraulic cylinders (Y1 and Y2) to maintain perfect ram parallelism under off-center loading.
Crucial mechanical innovations include mechanical or hydraulic dynamic crowning tables integrated into the lower machine bed. Under high bending tonnage, the machine frame naturally experiences minute elastic deflection; automatic crowning compensates by introducing a calculated reverse camber along the lower die, ensuring consistent angular precision along the entire bend length—from 2.5 meters up to 8 meters. Multi-axis CNC backgauges (X, R, Z1, Z2, Delta X) driven by high-precision AC servo motors and ballscrews position workpieces rapidly with repeatability exceeding ±0.01 mm.
Control interfaces feature high-resolution 2D/3D graphical CNC controllers (such as Delem DA-58T/DA-66T or Cybelec CybTouch) that automatically calculate bend sequence optimization, collision avoidance, and blank stretch length. Tooling configurations include quick-clamping mechanical or hydraulic chucks with segmented 42CrMo laser-hardened punches and multi-V dies, ensuring versatile, scratch-free forming across mild steel, prepainted coils, stainless steel, and high-strength alloy plates.
Applications
Architectural Roof Flashings, Ridge Caps & Custom Gutters
High-length CNC press brake bending machines fold 4–8 meter prepainted steel flashing trims, architectural fascias, and seamless roof gutters. Applications: Architectural sheet metal workshops, roofing accessory job shops, and steel building trim fabrication centers. Features: Deep throat depth accommodating complex multi-bend profiles, crowning compensation systems, and scratch-free urethane tooling.
Electrical Control Cabinet Enclosures & Metal Chassis Fabrication
Precision electro-hydraulic servo CNC press brakes bend tight-tolerance electrical cabinet doors, server chassis panels, and junction boxes. Applications: Electrical switchgear manufacturing, industrial automation cabinet assembly, and telecommunication hardware plants. Features: Sub-degree angular accuracy within ±0.2°, multi-axis CNC backgauge (X, R, Z1, Z2), and quick-clamp tooling changeover under 3 minutes.
Elevator Landing Doors & Architectural Stainless Steel Cladding
Electro-hydraulic synchro press brakes fold mirror-finish stainless steel and titanium architectural sheets without surface marking or distortion. Applications: Elevator cab manufacturing, commercial building entrance revolving doors, and luxury stainless architectural facades. Features: Non-marking bending dies, laser angle-measuring feedback, and synchronized Y1/Y2 dual cylinder ram positioning repeatability of ±0.01 mm.
Heavy Structural Steel Brackets, Stiffeners & Connection Angles
Heavy-tonnage hydraulic bending machines (200T–600T) fold heavy structural plates up to 16–25 mm into baseplates, beam stiffeners, and purlin cleats. Applications: Steel bridge fabrication yards, heavy pre-engineered building component shops, and crane boom manufacturing plants. Features: Heavy rigid monolithic frame construction, high-tonnage hydraulic proportional valves, and hardened V-groove heavy-duty die sets.
Industrial HVAC Air Duct Fittings & Ventilation Hoods
Automated hydraulic folding and bending machines shape galvanized sheet duct transitions, square-to-round elbows, and kitchen exhaust hoods. Applications: Commercial ventilation contractor workshops, industrial dust collection fabrication, and marine HVAC ducting shops. Features: Segmented folding blades, rapid open-hem folding capabilities, and user-friendly touch graphic CNC programming.
Technical Overview
| Parameter | Information |
|---|---|
| Machine Architecture | Electro-Hydraulic Servo Synchro CNC Press Brake / Heavy Plate Bending Machine |
| Nominal Bending Force | 630 kN – 4000 kN (63 Tons to 400 Tons; Tandem up to 1200 Tons) |
| Bending Table Length | 2500 mm / 3200 mm / 4000 mm / 6000 mm (Tandem up to 12000 mm) |
| Distance Between Side Frames | 2050 mm – 5100 mm (Accommodates deep box and panel bending) |
| Throat Depth | 320 mm – 600 mm deep throat for wide return flange forming |
| Ram Stroke & Daylight Open | Stroke: 150–320 mm / Open Height: 380–650 mm |
| Ram Repeatability (Y1/Y2) | ±0.01 mm precision via dual high-resolution optical linear encoders |
| CNC Backgauge Axes | Standard 3+1 (Y1, Y2, X + Crowning) up to 6+1 (Y1, Y2, X, R, Z1, Z2 + V) |
| Crowning Compensation | CNC Motorized Mechanical Wave Crowning Table or Hydraulic Active Cambering |
| CNC Controller Units | Delem DA-53T / DA-58T / DA-66T, Cybelec CybTouch, ESA S640 Graphic CNC |
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FAQ
What is the difference between torsion bar synchronized and electro-hydraulic synchro press brakes?
Torsion bar machines use a mechanical steel bar to link both cylinders, offering basic parallelism for standard work. Electro-hydraulic machines feature independent proportional servo valves and optical scales for each cylinder, achieving ±0.01 mm precision and off-center bending capability.
Why is crowning compensation critical on long-bed bending machines (3 meters and above)?
Under high tonnage, the upper ram and lower bed deflect slightly in the center, causing the center bend angle to be wider than the ends. Crowning dynamically raises the bed center to ensure uniform angle consistency from edge to edge.
How are bend angles programmed and corrected on modern CNC controllers?
Controllers feature comprehensive material libraries (yield strength, thickness, tensile). Operators input desired angles; the CNC calculates depth, springback compensation, and can integrate real-time laser angle measuring sensors.
What tooling styles (European / Promecam vs. American) can be fitted?
Our machines support standard European/Promecam quick-clamp tooling systems, Wila-Trumpf heavy-duty style, or custom segmented die tooling made from vacuum-hardened 42CrMo alloy steel (HRC 47±2).
Can the bending machine handle delicate prepainted or mirror stainless sheets without scratches?
Yes, using urethane die films, special synthetic non-marking lower dies, or roller-bearing V-dies eliminates metal-on-metal sliding friction, preserving flawless painted and mirror finishes.
What safety systems protect machine operators during high-speed downstroke?
Machines integrate DSP or Fiessler optical laser safety curtains directly under the punch tip, dual-circuit safety relays, emergency stop pedals, and interlocked rear perimeter fences compliant with CE safety directives.
What tonnage and length capacities are available for structural steel builders?
Standard models range from 40 tons / 1.6 meters up to 600 tons / 6.0 meters, with tandem configurations coupling two synchronized machines for 12–16 meter continuous pole and flashing fabrication.