HOGI CNC Hydraulic bending machine
HOGI CNC Hydraulic Metal Sheet Bending Machines
The HOGI CNC Hydraulic Metal Sheet Bending Machines achieves high-precision synchronous operation of the ram through closed-loop feedback control.
Optical (magnetic) scales are installed on the ram and the frame, providing real-time position feedback;
The CNC system analyzes the synchronization of both sides of the ram and detects any errors;
When an error occurs, the CNC system adjusts via proportional valves to ensure synchronous ram travel;
The CNC system, hydraulic valve set, and scales together form the closed-loop control system of the electro-hydraulic synchronous press brake.
HOGI CNC Hydraulic Metal Sheet Bending Machine
HOGI electro-hydraulic servo synchronous CNC press brake adopts a new rigid design with finite element optimization analysis, delivering excellent rigidity and long-term stability. The frame is precision-machined at one time by a floor boring machine or multi-surface machining center, ensuring strict parallelism and perpendicularity across all mounting surfaces. Equipped with Germany Rexroth full closed-loop electro-hydraulic servo synchronous control system, each machine delivers consistent bending accuracy for demanding industrial sheet metal fabrication applications from 50T to 800T.
- Germany Rexroth full closed-loop electro-hydraulic servo synchronous control system with real-time feedback synchronization
- Precision frame machined in a single setup by floor boring machine or multi-surface machining center for guaranteed geometric accuracy
- Computer-programmable bending process with continuous uninterrupted operation for high production efficiency
- Fast-down and slow-down slider function with smooth speed conversion, greatly improving bending cycle speed
- Multi-axis CNC back gauge: Y1/Y2 synchronous ram control, X1/X2 front-back stroke, R1/R2 up-down, Z1/Z2 left-right, V-axis auto-hydraulic crowning
- Deflection compensation device providing angle compensation, length compensation, and gap error compensation
- Robot loading/unloading integration available for fully automated 24/7 production
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Details Gallery
HOGI CNC Hydraulic Press Brake — Technical Advantages
Full Closed-Loop Electro-Hydraulic Servo Control: Germany Rexroth hydraulic system combined with optical/magnetic linear scales installed on both the slider and the frame enables real-time feedback synchronization. The CNC system continuously monitors left-right slider deviation and corrects via proportional valves, achieving precise synchronization throughout the entire bending stroke.
Precision Frame Construction: New rigid design optimized through finite element analysis, machined in a single setup by precision floor boring machine or multi-surface machining center. This one-time machining process guarantees parallelism and perpendicularity of all mounting surfaces, maintaining geometric accuracy under heavy tonnage loads.
High-Speed Intelligent Slider Control: The slider features programmable fast-down and slow-down speed zones with smooth, controlled transition. Each bending process is stored in the CNC system for continuous, uninterrupted multi-step operation, significantly reducing idle time and improving overall production cycle speed.
Comprehensive Multi-Axis Back Gauge: Six-axis CNC back gauge system (Y1/Y2, X1/X2, R1/R2, Z1/Z2, V) enables precise control of bending depth, flange size, beam height, finger position, and worktable crowning — allowing complex multi-bend sequences on a single setup without repositioning.
Deflection Compensation System: Built-in deflection compensation device provides angle compensation, length compensation, and gap error compensation. This eliminates the bending angle inconsistency caused by slider and worktable deflection under load, dramatically reducing rework and scrap rates on long workpieces.
Robot Integration Ready: HOGI CNC hydraulic press brakes support full integration with robotic loading/unloading arms for lights-out manufacturing. The CNC system interfaces directly with robot controllers, enabling automated multi-part bending sequences without manual intervention.
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Frequently Asked Questions
How does the electro-hydraulic servo synchronous system maintain left-right slider accuracy?
What does the deflection compensation device do?
What CNC controller options are available?
Can the machine be integrated with a robot for automatic loading and unloading?
What tonnage and table length range is available?
What materials can this machine process?
Why Choose HOGI CNC Hydraulic Press Brakes
HOGI CNC hydraulic press brakes are engineered for manufacturers who need heavy-duty bending force combined with closed-loop servo precision. The Germany Rexroth full closed-loop electro-hydraulic servo synchronous system is the foundation of every machine — delivering the kind of angle repeatability that automated production lines and precision fabrication workflows demand.
The frame design philosophy — single-setup precision machining with finite element optimization — means the machine maintains its geometric accuracy under full load, shift after shift. Combined with the multi-axis CNC back gauge and deflection compensation system, HOGI CNC hydraulic press brakes are capable of handling the most demanding long-workpiece, high-tonnage bending applications including structural steel, elevator components, large enclosures, and architectural metalwork.
With models from 50T to 800T and table lengths from 1300mm to 10000mm, and full robot integration capability, HOGI provides a complete CNC hydraulic bending solution for workshops of all scales — from precision fabrication cells to fully automated heavy-duty production lines.
Technical Support and Comprehensive After-Sales Service
Our after-sales team consists of engineers with deep expertise in electro-hydraulic servo systems, CNC controllers, and heavy-tonnage press brake mechanics — trained to diagnose and resolve issues efficiently.
Service requests receive immediate response. Our team assesses the fault nature and dispatches engineers for remote video assistance or on-site service based on urgency and location.
We supply genuine manufacturer parts for all critical components including Rexroth hydraulic valves, linear scales, CNC modules, and drive systems — ensuring repair quality and machine longevity.
Comprehensive training programs cover CNC programming, multi-axis back gauge setup, deflection compensation adjustment, and routine hydraulic maintenance — enabling your team to operate at full capability.
We offer CNC controller upgrades, back gauge system retrofits, and robot integration projects tailored to extend machine capability and adapt to evolving production requirements.
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HOGI CNC Hydraulic Press Brake Bending Machine — This specification page provides full technical parameters, model range, axis configuration details, and engineering highlights for the HOGI electro-hydraulic servo synchronous CNC press brake series (50T–800T), supporting equipment selection and procurement decisions.
Model Range
CNC Axis Configuration
| Y (Y1, Y2) Axis | Ram synchronous control axis — controls bending depth and angle |
| X (X1, X2) Axis | Back gauge front-back stroke — controls bending flange size |
| R (R1, R2) Axis | Back gauge beam up-down movement |
| Z (Z1, Z2) Axis | Back gauge finger left-right movement |
| V Axis | Worktable auto-hydraulic crowning control |
| Control System | Germany Rexroth full closed-loop electro-hydraulic servo synchronous system |
| Feedback Device | Optical (magnetic) linear scale on slider and body for real-time synchronization feedback |
| Deflection Compensation | Angle compensation, length compensation, gap error compensation |
| Speed Control | Fast-down and slow-down function with smooth conversion; continuous programmable operation |
Full Model Technical Specifications
| Model | Nominal Pressure (KN) | Table Length (mm) | Distance Between Columns (mm) | Throat Depth (mm) | Stroke (mm) | Open Height (mm) | Main Motor (kW) | Overall Dimensions L×W×H (mm) |
|---|---|---|---|---|---|---|---|---|
| 50T/1300 | 500 | 1300 | 1120 | 250 | 150 | 460 | 5.5 | 1800×1500×2300 |
| 70T/1600 | 700 | 1600 | 1300 | 300 | 150 | 460 | 5.5 | 2300×1600×2500 |
| 70T/2500 | 700 | 2500 | 2050 | 300 | 150 | 460 | 5.5 | 3100×1600×2500 |
| 80T/2500 | 800 | 2500 | 2050 | 300 | 150 | 460 | 7.5 | 3100×1600×2600 |
| 110T/2500 | 1100 | 2500 | 2050 | 400 | 200 | 490/470 | 11 | 3100×1800×2600 |
| 110T/3200 | 1100 | 3200 | 2700 | 400 | 200 | 490/470 | 11 | 3800×1800×2600 |
| 110T/4000 | 1100 | 4000 | 3100/3600 | 400 | 200 | 490/470 | 11 | 4600×1800×2600 |
| 135T/3200 | 1350 | 3200 | 2700 | 400 | 200 | 490/470 | 11 | 3800×1800×2700 |
| 135T/4000 | 1350 | 4000 | 3100/3600 | 400 | 200 | 490/470 | 11 | 4600×1800×2700 |
| 170T/3200 | 1700 | 3200 | 2700 | 450 | 200 | 490/470 | 15 | 3800×2000×2800 |
| 170T/4000 | 1700 | 4000 | 3100/3600 | 450 | 200 | 490/470 | 15 | 4600×2000×2800 |
| 220T/3200 | 2200 | 3200 | 2600 | 450 | 200 | 490/470 | 18.5 | 3800×2200×2850 |
| 220T/4000 | 2200 | 4000 | 3100 | 450 | 200 | 490/470 | 18.5 | 4600×2200×2850 |
| 250T/3200 | 2500 | 3200 | 2600 | 450 | 250 | 540 | 22 | 3800×2000×2900 |
| 250T/4000 | 2500 | 4000 | 3100 | 450 | 250 | 540 | 22 | 4600×2100×3100 |
| 250T/5000 | 2500 | 5000 | 3800 | 450 | 250 | 540 | 22 | 5600×2150×3150 |
| 250T/6000 | 2500 | 6000 | 4800 | 450 | 250 | 540 | 22 | 6600×2150×3150 |
| 300T/3200 | 3000 | 3200 | 2600 | 500 | 250 | 570 | 22 | 3800×2250×3200 |
| 300T/4000 | 3000 | 4000 | 3100 | 500 | 250 | 570 | 22 | 4600×2500×3400 |
| 300T/5000 | 3000 | 5000 | 3800 | 500 | 250 | 570 | 22 | 5600×2500×3400 |
| 300T/6000 | 3000 | 6000 | 4800 | 500 | 250 | 570 | 22 | 6600×2500×3400 |
| 400T/3200 | 4000 | 3200 | 2600 | 500 | 300 | 610 | 30 | 3800×2700×3500 |
| 400T/4000 | 4000 | 4000 | 3100 | 500 | 300 | 610 | 30 | 4600×2700×3500 |
| 400T/5000 | 4000 | 5000 | 3800 | 500 | 300 | 610 | 30 | 5600×2700×3500 |
| 400T/6000 | 4000 | 6000 | 4800 | 500 | 300 | 610 | 30 | 6600×2700×3500 |
| 500T/4000 | 5000 | 4000 | 3100 | 500 | 300 | 620 | 37 | 4600×2700×3500 |
| 500T/5000 | 5000 | 5000 | 3800 | 500 | 300 | 620 | 37 | 5600×2700×3500 |
| 500T/6000 | 5000 | 6000 | 4800 | 500 | 300 | 620 | 37 | 6600×2700×3600 |
| 600T/5000 | 6000 | 5000 | 3800 | 600 | 320 | 650 | 45 | 5600×3300×3900 |
| 600T/6000 | 6000 | 6000 | 4800 | 600 | 320 | 650 | 45 | 6600×3300×3900 |
| 600T/7000 | 6000 | 7000 | 5600 | 600 | 320 | 650 | 45 | 7600×3300×3900 |
| 800T/6000 | 8000 | 6000 | 4600 | 600 | 320 | 800 | 30×2 | 6600×3500×4000 |
| 800T/7000 | 8000 | 7000 | 5600 | 600 | 320 | 800 | 30×2 | 7600×3500×4200 |
| 800T/8000 | 8000 | 8000 | 6600 | 600 | 320 | 800 | 30×2 | 8600×3600×4500 |
| 800T/10000 | 8000 | 10000 | 7800 | 600 | 320 | 800 | 30×2 | 10600×3600×4900 |
Technical Principles
Drive System: HOGI CNC hydraulic press brake uses a hydraulic power unit to drive the upper beam (slider) via dual hydraulic cylinders. Germany Rexroth proportional valve block precisely controls hydraulic flow to each cylinder independently, enabling real-time adjustment of left-right slider position throughout the bending stroke.
Closed-Loop Synchronization: Optical or magnetic linear scales are mounted on both sides of the slider and the machine body. The CNC system continuously reads position data from both scales simultaneously. Any deviation between left and right slider positions is detected immediately, and the system adjusts the proportional valve on the lagging side to restore synchronization — achieving true closed-loop electro-hydraulic servo control.
Deflection Compensation: Under bending load, the slider and worktable deflect due to the applied force. The deflection compensation device applies a counter-deformation to the worktable that neutralizes the effect of beam deflection, maintaining a consistent bending angle along the full length of the workpiece — critical for long-span workpieces and high-accuracy applications.
Technical Highlights
1. Synchronization Accuracy Under Load: The Rexroth closed-loop servo system maintains left-right slider synchronization in real time during the bending stroke, even under uneven load distribution. This is fundamentally different from open-loop torsion shaft systems — the servo system actively corrects deviations rather than mechanically resisting them, delivering superior angular consistency across the full table length.
2. Heavy-Tonnage Capability with Precision: The hydraulic drive system enables the machine to deliver force from 50T to 800T while maintaining the fine position control provided by the servo feedback loop. This combination of high force and precision control is the defining characteristic of the electro-hydraulic servo system — enabling accurate bending of thick structural steel sheets that servo-electric machines cannot handle.
3. Programmable High-Speed Production: The slider fast-down and slow-down speed zones are independently programmable for each bending step. The CNC system stores complete multi-step bending programs, enabling continuous uninterrupted production runs without operator intervention between steps — directly increasing throughput compared to manual-mode operation.
4. Frame Rigidity and Long-Term Accuracy: The integral welded frame, optimized by finite element analysis and precision-machined in a single setup, maintains its geometric accuracy under sustained heavy-load operation. Unlike frames assembled from separate components, the single-setup machining process eliminates accumulated positional errors between mounting surfaces, ensuring the machine retains its precision specification over its full service life.
HOGI CNC Hydraulic Press Brake — Live Machine Demonstration
Live Demonstration Highlights
Watch the HOGI CNC hydraulic press brake series in full operation across the complete model range from 50T/1300 to 800T/10000. This video demonstrates the electro-hydraulic servo synchronous system, closed-loop slider control, multi-axis CNC back gauge operation, and robot loading integration in a real production environment.
- Closed-Loop Electro-Hydraulic Servo Synchronization: The video demonstrates the Germany Rexroth full closed-loop servo system in action — optical linear scales on both sides of the slider feed real-time position data to the CNC system, which continuously corrects left-right synchronization via proportional valves throughout the entire bending stroke. This active correction is visible in the smooth, parallel slider descent even during uneven load conditions.
- Precision Frame and Single-Setup Machining: See the result of finite element optimized rigid frame design and single-setup floor boring machine precision — the machine maintains its geometric alignment under full tonnage loads, delivering consistent bending angles across workpieces spanning the full table length without manual correction.
- Multi-Axis CNC Back Gauge Operation: Watch the 6-axis back gauge system — Y1/Y2 ram synchronous control, X1/X2 front-back stroke for flange size, R1/R2 beam height, Z1/Z2 finger lateral positioning, and V-axis auto-hydraulic crowning — executing multi-step bending sequences automatically from stored CNC programs without operator repositioning between steps.
- Deflection Compensation in Practice: The demonstration includes long-workpiece bending where the deflection compensation device neutralizes slider and worktable beam deformation under load, producing a consistent bending angle from end to end on workpieces up to 10 meters in length — eliminating the angular drift that affects uncompensated machines at full tonnage.
- Robot Loading Integration: See the HOGI CNC hydraulic press brake running in fully automated mode with robotic arm loading and unloading — demonstrating the machine’s direct CNC-to-robot interface that enables lights-out operation, consistent part handling, and high-volume production without manual sheet positioning.
Built for Heavy Industrial Sheet Metal Fabrication
As demonstrated in the video, the HOGI CNC hydraulic press brake series is engineered for the most demanding industrial applications — structural steel fabrication, elevator and escalator components, large electrical enclosures, architectural metalwork, heavy agricultural and construction equipment panels, and aerospace structural parts. The combination of 50T to 800T hydraulic force, Rexroth closed-loop servo precision, and full robot integration capability makes this series the choice for manufacturers who cannot compromise on bending accuracy at scale.
Unlike servo-electric machines limited to lighter tonnages, the electro-hydraulic servo system delivers full pressing force across the entire table length while maintaining the positional accuracy demanded by CNC production workflows — the ideal combination for structural fabrication environments where both power and precision are non-negotiable.