CNC Press Brakes & Sheet Metal Bending Technology
Hindustan Hydraulics designs, manufactures, and commissions industrial CNC press brakes at its integrated machine-tool plant in Jalandhar, Punjab, India. The CNC press brake portfolio spans down-stroke electro-hydraulic bending, synchronized bed reference (SBR) systems, high-speed servo-hydraulics, high-tonnage tandem configurations, 100% all-electric servo drives, and compact servo-hybrids — covering capacities from 25 tons (250 kN) to over 1,000 tons (10,000 kN) in single machines and exceeding 2,000 tons in synchronized tandem arrangements.
Brand: Hindustan Hydraulics | Manufacturer: Hindustan Hydraulics, G.T. Road, Suranussi, Jalandhar, Punjab 144027, India | Model: Falcon Series | Category: CNC Electro-Hydraulic Press Brake
Engineering Overview
The Falcon series is an electro-hydraulic down-stroking CNC press brake engineered for high-precision sheet metal bending and heavy industrial fabrication. Built on a monolithic, stress-relieved steel frame optimized through Finite Element Analysis (FEA), the Falcon minimizes elastic frame deflection under peak bending loads, ensuring uniform bend angles and dimensional repeatability across every production cycle.
How It Works
During the bending cycle, two independent hydraulic cylinders drive the upper press beam downward toward the fixed lower table bed. Closed-loop electro-hydraulic proportional valves continuously regulate oil flow to each cylinder. Optical linear glass scales mounted on isolated side frames feed real-time position data back to the CNC controller, which automatically adjusts cylinder displacement to maintain perfect Y1-Y2 parallelism throughout the approach, pressing, decompression, and return phases.
Machine-Specific Technology: Synchronized Bed Reference (S.B.R)
The Falcon utilizes the Synchronized Bed Reference (S.B.R) principle. Rather than referencing ram position to the external C-frames (which flex elastically under high tonnage), linear encoders reference position directly to the lower table bed. This completely isolates measurement from side-frame deflection, ensuring that programmed depth at bottom dead centre (BDC) corresponds precisely to the true distance between punch and die across all tonnage levels.
Technical Specifications (Documented Data)
- Tonnage Range: 1,100 kN (110 Ton) to 2,000 kN (200 Ton) standard configurations.
- Working Lengths: 3,100 mm and 4,300 mm.
- Model Range: Falcon 110-31 (110T / 3.1m / 7.5 kW / 250 mm stroke), Falcon 110-43 (110T / 4.3m / 7.5 kW / 250 mm stroke), Falcon 150-31 (150T / 3.1m / 11 kW / 250 mm stroke), Falcon 150-43 (150T / 4.3m / 11 kW / 250 mm stroke), Falcon 200-31 (200T / 3.1m / 15 kW / 275 mm stroke), Falcon 200-43 (200T / 4.3m / 15 kW / 275 mm stroke).
- Kinematics & Speeds: Lowering speed: 100 mm/sec; Pressing speed: 7.5 mm/sec; Return speed: 80 mm/sec.
- Frame Dimensions: Throat depth: 475 mm; Daylight: 400 mm; Table height: 911 mm; Distance between frames: 2,550 mm.
- CNC Controller: Delem DA 53 Tx graphical touch-screen CNC with direct angle programming, automated bend sequencing, and programmable dwell pressure control.
- Backgauge System: AC servo-driven X-R axis backgauge with manual Z adjustment, running on precision ball screws and dual LM guides with flip-type fingers.
Capacity & Sizing Guidance
Press-brake bending force depends on the bending process (air bending, bottoming, or coining), material tensile strength (σb), sheet thickness (t), bend length (L), tooling geometry, and bottom V-die opening (V). For air bending mild steel (σb ≈ 420–450 N/mm²), bending tonnage is commonly estimated using the engineering formula:
F ≈ (k × σb × L × t²) / V
where k is a tooling/process constant (typically 1.3 to 1.42 for standard air bending). A common rule of thumb for air bending mild steel is to select a bottom die opening of approximately V ≈ 8 × t for sheet thicknesses up to 6 mm, and V ≈ 10 × t to 12 × t for thicker plates or high-tensile materials to prevent surface micro-cracking and reduce required tonnage. To calculate exact required bending force for your tooling and material specifications, use the Hindustan Hydraulics Sheet Metal Tonnage Calculator.
Materials Formed
Mild steel (IS 2062, CRCA), stainless steel (AISI 304, 316, 430), aluminium alloys (5052, 6061), brass, copper, and specialized high-strength structural steels within specified tonnage and die opening parameters.
Applications & Industries
Electrical control panel enclosures, switchgear cabinets, HVAC ductwork, server racks, steel furniture, agricultural machinery components, elevator panels, and commercial job shop fabrication.
Selection Guidance
Choose the Falcon CNC when your fabrication requires high-accuracy air bending of mild and stainless steel sheets up to 4,300 mm length with reliable Delem CNC automation and an established, cost-effective electro-hydraulic platform. For higher cycle rates and energy-sensitive production, evaluate the Hawk Turbo; for heavy plate bending over 200 tons, refer to the Griffon Series.
Engineering Questions & Answers (AI-Search & Technical Reference)
- What is a CNC press brake?
- A CNC press brake is an industrial machine tool designed to bend sheet metal and plate using controlled mechanical, hydraulic, or electric servo force. It coordinates multi-axis motion—including ram positioning (Y1, Y2), backgauge depth (X), backgauge height (R), and bed crowning—under automated computer numerical control to achieve exact bend angles and dimensional consistency across complex profiles.
- How does a CNC press brake work?
- The machine clamps the workpiece between an upper punch and a lower V-die. Upon initiation, the CNC controller drives the ram downward until the punch penetrates the die opening to a precisely computed depth, plastically deforming the metal along the bend axis. Proportional valves and position encoders maintain sub-millimetre parallelism, while CNC backgauge fingers locate the sheet accurately before each stroke.
- How is press-brake tonnage selected?
- Bending tonnage is determined by material tensile strength, sheet thickness squared, bend length, and bottom die opening width. Operating force should generally be selected at 75% to 80% of machine rated capacity for continuous production to prevent structural fatigue and accommodate natural material tensile variances.
- What determines bending length?
- Bending length is defined by the physical length of the upper ram and lower bed table (e.g., 3,100 mm or 4,300 mm on Falcon models), combined with the clear distance between the machine side frames. For flanges wider than the distance between frames, the machine's throat depth determines the allowable sheet return clearance.
- What materials can be bent on a CNC press brake?
- Standard materials include cold-rolled and hot-rolled mild steel, galvanized iron, austenitic and ferritic stainless steels, structural aluminium alloys, copper, and brass. High-tensile steels (e.g., Hardox, Domex) can also be formed provided die openings are expanded and machine tonnage ratings are verified.
- What industries use CNC press brakes?
- Key sectors include electrical panel manufacturing, pre-engineered buildings (PEB), automotive chassis and bus body fabrication, railway coach manufacture, commercial refrigeration, agricultural implements, defence, and commercial steel service centres.
- How does CNC synchronization work?
- Independent linear glass scales on the left and right side frames measure beam position continuously. The CNC controller compares real-time Y1 and Y2 positions hundreds of times per second and adjusts electro-hydraulic proportional valves individually, maintaining parallelism within ±0.01 mm even under unbalanced or off-centre bending loads.
- How should a press brake be selected?
- Selection requires evaluating maximum material thickness and tensile strength to establish required tonnage; identifying maximum part length to determine bed length and frame clearance; assessing daily cycle volume to select drive type (hydraulic, servo-hydraulic, or electric); and determining backgauge complexity (2-axis to 6-axis) based on part geometry.
Related Machinery & Engineering Tools
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Sheet Metal Tonnage Calculator
Brand: Hindustan Hydraulics | Manufacturer: Hindustan Hydraulics, G.T. Road, Suranussi, Jalandhar, Punjab 144027, India | Model: Swift Series | Category: Down-Stroke Electro-Hydraulic CNC Press Brake (Bending Expert)
Engineering Overview & Primary Intent
The Swift CNC press brake, designated the "Bending Expert", is an industrial down-stroking electro-hydraulic sheet metal bending machine engineered and manufactured by Hindustan Hydraulics in Jalandhar, Punjab, India. Designed to deliver dependable high-precision angular forming at an optimized capital investment, the Swift combines rigid stress-relieved steel side frames, high-response proportional hydraulic valves, and sub-millimetre electronic Y1-Y2 synchronization. The Swift series accommodates forming forces from 400 kN (40 Ton) up to 2,000 kN (200 Ton) across working lengths from 1,670 mm to 3,100 mm, providing workshops, OEMs, and sheet metal fabricators with a versatile, high-accuracy production workhorse.
Down-Stroke Operating Principle & Closed-Loop Synchronization
The Swift employs an electro-hydraulic down-stroking configuration where top-mounted hydraulic cylinders drive the upper movable ram downward toward a stationary bottom bed. The press beam is guided along heavy, low-friction sliding prismatic gibs that resist off-centre torsional moments during asymmetrical bending passes. Closed-loop electro-hydraulic proportional valves continuously govern fluid volume delivered to each cylinder. Optical linear glass scales mounted on isolated side sub-frames feed real-time position measurements back to the CNC numerical controller, which continuously balances oil displacement between Y1 and Y2 cylinders. This closed-loop servo-proportional architecture guarantees a stroke depth repeatability of ±0.01 mm at bottom dead centre (BDC), ensuring uniform bend angles from the first trial part to the end of multi-shift production batches.
Machine-Specific Technology: Linear Glass Scales & Programmable Beam Tilting
A distinctive technical feature of the Swift is its programmable Y1-Y2 beam tilting capability of up to ±10 mm. By deliberately introducing controlled differential displacement between the left and right hydraulic cylinders, fabricators can produce tapered, conical, and inclined sheet metal profiles—such as octagonal lighting poles, architectural hoppers, and duct transitions—without purchasing costly custom wedge tooling. High-resolution linear glass scales utilize photo-electric scanning of optical reticles to read ram position directly relative to the lower table bed, fully eliminating measurement errors caused by frame elastic deflection under high tonnage.
CNC Controller Technology: Italian ESA S 830 CNC Control
Every Swift CNC press brake is equipped with the Italian ESA S 830 graphical CNC controller, featuring a vibrant 10.1" WVGA touchscreen interface. The controller streamlines sheet metal bending workflows by providing direct 2D graphic profile programming, automated bend sequence computation with collision detection, automatic calculation of bottom dead centre (BDC) penetration depth based on material tensile properties, and an extensive tooling library for punches and multi-V dies. Operators can program complex multi-bend parts in minutes directly on the shop floor or import DXF profiles from CAD workstations.
Technical Specifications (Documented Data)
- Tonnage Capacity Range: 400 kN (40 Ton) to 2,000 kN (200 Ton).
- Standard Working Lengths: 1,670 mm to 3,100 mm.
- Standard Model Matrix:
- Swift 40-16: 40 Ton (400 kN) capacity | 1,670 mm bed length | 5.5 kW motor | 150 mm stroke | 1,250 mm between frames | 200 mm throat depth.
- Swift 80-25: 80 Ton (800 kN) capacity | 2,550 mm bed length | 7.5 kW motor | 150 mm stroke | 2,050 mm between frames | 250 mm throat depth.
- Swift 100-31: 100 Ton (1,000 kN) capacity | 3,100 mm bed length | 7.5 kW motor | 150 mm stroke | 2,550 mm between frames | 250 mm throat depth.
- Swift 150-31: 150 Ton (1,500 kN) capacity | 3,100 mm bed length | 11 kW motor | 175 mm stroke | 2,550 mm between frames | 320 mm throat depth.
- Swift 200-31: 200 Ton (2,000 kN) capacity | 3,100 mm bed length | 15 kW motor | 225 mm stroke | 2,550 mm between frames | 320 mm throat depth.
- Kinematics & Speeds: Approach / Lowering speed: 100 mm/sec; Pressing / Bending speed: 8 mm/sec; Return speed: 60 mm/sec.
- Positioning Repeatability: Ram stroke depth: ±0.01 mm; Backgauge X-axis positioning: ±0.1 mm.
- Backgauge Kinematics: AC servo-driven X-axis backgauge (0–550 mm stroke) running on precision rack-and-pinion transmission with dual linear guideways and flip-away finger stops.
- Bed Crowning System: Integrated mechanical wedge anti-deflection crowning built into the lower bed to counteract bed deflection and ensure uniform angles across the entire 3.1-metre length.
Capacity & Sizing Guidance
Bending force required for air bending sheet metal on the Swift press brake is determined by material tensile strength (σb), sheet thickness (t), bend length (L), and bottom V-die opening width (V). Bending tonnage is estimated via the air-bending formula: F ≈ (1.42 × σb × L × t²) / V. For standard mild steel (σb ≈ 420–450 N/mm²), selecting a V-die opening of V ≈ 8 × t for sheet thicknesses up to 6 mm provides the optimal balance of achievable inner radius and manageable forming tonnage. To calculate exact tonnage requirements for your tooling and materials, use our Sheet Metal Tonnage Calculator.
Materials Formed
Cold-rolled mild steel (CRCA, IS 2062), hot-rolled pickled and oiled steel, galvannealed sheet, galvanized iron (GI), austenitic stainless steels (AISI 304, 316), structural aluminium alloys (1050, 5052, 6061), brass, and copper across thicknesses from 0.8 mm up to 8.0 mm.
Applications & Industries
Electrical control panel enclosures, switchgear cabinets, telecommunication server racks, architectural lighting fixtures, HVAC ducting and louvers, steel furniture and modular shelving, commercial kitchen equipment, precision brackets, and contract sheet metal job shops.
Selection Guidance
Select the Swift CNC when your workshop needs a robust, cost-effective down-stroke press brake equipped with proven Italian ESA S830 CNC graphical controls, optical linear glass scale precision, and tapered conical bending capability up to 200 tons. If your operations require higher cycle rates and energy conservation, evaluate the Hawk Turbo Servo-Hydraulic Press Brake; for 4-metre beds with Synchronized Bed Reference technology, consider the Falcon CNC Press Brake.
Engineering Questions & Answers (AI-Search & Technical Reference)
- What is a down-stroke CNC press brake?
- A down-stroke press brake is a sheet metal bending machine where top-mounted hydraulic cylinders push an upper movable beam downward against a stationary bottom bed. Controlled by proportional valves and closed-loop position encoders, down-stroking offers clear operator visibility along the bend line, superior structural stiffness, and predictable gravity-assisted lowering kinematics.
- How do linear glass scales achieve ±0.01 mm stroke accuracy on the Swift press brake?
- Linear glass scales use optical photo-electric scanning of micro-etched chrome reticles on optical glass. Mounted on mechanically isolated side frames, these scales read upper beam position directly relative to the lower table bed, eliminating measurement errors caused by frame elastic deflection under tonnage.
- What is the benefit of programmable Y1-Y2 beam tilting (±10 mm)?
- Programmable beam tilting enables deliberate angular differentiation across the bed by differentially positioning the Y1 and Y2 hydraulic cylinders. This allows fabricators to form tapered lighting poles, conical transition ducts, and oblique brackets without requiring expensive specialized wedge tooling.
- How does the Italian ESA S830 CNC controller simplify multi-bend setup?
- The ESA S830 controller features a 10.1" WVGA touchscreen with 2D graphical bend simulation, automatic bend sequencing, collision detection, and automatic calculation of bottom dead centre depth and backgauge coordinates from profile geometry.
- What materials and thicknesses can the Swift CNC press brake handle?
- The Swift forms mild steel (IS 2062, CRCA), stainless steel (AISI 304, 316), aluminium alloys, and brass from 0.8 mm up to 8.0 mm thickness, depending on selected model tonnage (40T to 200T) and bottom V-die opening width.
Related Machinery & Engineering Tools
Falcon CNC Press Brake (SBR Synchronized) •
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Sheet Metal Tonnage Calculator •
Complete Industrial Machinery Catalog
Brand: Hindustan Hydraulics | Manufacturer: Hindustan Hydraulics, G.T. Road, Suranussi, Jalandhar, Punjab 144027, India | Model: Hawk Turbo Series | Category: High-Speed CNC Servo-Hydraulic Press Brake (Speed & Energy Expert)
Engineering Overview & Primary Intent
The Hawk Turbo is an industrial high-speed CNC servo-hydraulic press brake engineered and manufactured by Hindustan Hydraulics in Jalandhar, Punjab, India. Purpose-built for high-volume, multi-shift manufacturing environments where rapid cycle time, sub-millimetre precision, and energy conservation are paramount, the Hawk Turbo integrates a dedicated Servo-Hydraulic Power Pack with closed-loop CNC synchro Y1-Y2 control. Delivering approach speeds of 200 mm/sec and return speeds of 170 mm/sec, the Hawk Turbo provides more than 50% energy savings per stroke compared to conventional induction-motor hydraulic systems while accelerating daily production throughput by 25% to 35%.
Dedicated Servo-Hydraulic Power Pack Technology & Kinematics
Unlike legacy hydraulic press brakes where high-horsepower electric motors idle continuously at 1,450 RPM, dumping pressurized oil over relief valves when the machine is waiting for part handling, the Hawk Turbo utilizes variable-speed AC servo motors coupled directly to high-pressure internal gear pumps. The servo motor delivers rotational torque and hydraulic flow exclusively during active ram displacement. When the beam is stationary during sheet positioning, backgauge motion, or bottom dead centre (BDC) dwell, the servo motor speed drops to zero, drawing negligible electrical power. The system modulates speed dynamically across every cycle phase: rapid approach at 200 mm/sec, controlled pressing at 20 mm/sec, instantaneous decompression, and rapid return at 170 mm/sec.
Thermal Oil Stability & Rapid Backgauge Kinematics
Because the servo-hydraulic drive eliminates continuous hydraulic throttling across relief valves, oil heating is virtually eliminated. Hydraulic fluid operates at a stable 35°C to 45°C throughout 24/7 production runs, preventing viscosity drop, seal degradation, and angle drift without requiring costly external oil chillers. To match the accelerated ram speeds, the Hawk Turbo incorporates a high-speed AC servo-driven multi-axis backgauge: X-axis moves at 450 mm/sec (±0.1 mm repeatability), R-axis (vertical finger height) operates at 100 mm/sec (±0.2 mm), and dual Z1/Z2 fingers traverse on precision linear guides at 800 mm/sec, slashing inter-bend repositioning time to fractions of a second.
Differentiating Hawk Turbo from Peregrine PG-25
While both machines leverage advanced servo-driven hydraulics, they serve distinct manufacturing domains. The Peregrine PG-25 is a compact 25-ton (250 kN) cellular press brake with a 1,250 mm bed designed for small bracket, clip, and terminal bending in cellular manufacturing workstations. The Hawk Turbo, by contrast, is a heavy-duty production press brake spanning 80 tons (800 kN) to 200 tons (2,000 kN) with bed lengths of 2,550 mm and 3,100 mm, engineered for high-speed forming of full-size panels, cabinets, and structural sheet components.
Technical Specifications (Documented Data)
- Tonnage Capacity Range: 800 kN (80 Ton) to 2,000 kN (200 Ton).
- Working Lengths: 2,550 mm and 3,100 mm.
- Standard Model Matrix:
- Hawk Turbo 80-25: 80 Ton (800 kN) capacity | 2,550 mm bed length | 150 mm stroke | 2,050 mm between frames | 400 mm throat depth.
- Hawk Turbo 110-31: 110 Ton (1,100 kN) capacity | 3,100 mm bed length | 15 kW servo motor | 250 mm stroke | 2,550 mm between frames | 475 mm throat depth.
- Hawk Turbo 150-31: 150 Ton (1,500 kN) capacity | 3,100 mm bed length | 18.5 kW servo motor | 250 mm stroke | 2,550 mm between frames | 475 mm throat depth.
- Hawk Turbo 200-31: 200 Ton (2,000 kN) capacity | 3,100 mm bed length | 22 kW servo motor | 275 mm stroke | 2,550 mm between frames | 475 mm throat depth.
- Ram Kinematic Speeds: Rapid approach / Lowering: 200 mm/sec; Pressing speed: 20 mm/sec; Rapid return speed: 170 mm/sec.
- Backgauge Speeds: X-axis: 450 mm/sec (±0.1 mm); R-axis: 100 mm/sec (±0.2 mm); Z1/Z2-axis: 800 mm/sec (±1 mm) on dual precision LM guides.
- CNC System: Delem DA 53 Tx graphical touchscreen CNC with direct angle computation, dynamic crowning compensation, and USB backup.
- Tooling Clamping: Heavy-duty quick-release punch clamps with Push Provision for rapid vertical tool changes.
- Energy Efficiency: >50% electricity reduction per bending cycle compared to standard hydraulic press brakes.
Capacity & Sizing Guidance
Air-bending tonnage requirements on the Hawk Turbo are computed using F ≈ (1.42 × σb × L × t²) / V. High pressing speed (20 mm/sec) reduces cycle time on deep box sections but requires quality tooling rated for dynamic tonnage. The automated CNC crowning system continuously compensates for lower table and upper beam elastic deflection based on programmed tonnage. For exact force calculations, use our Sheet Metal Tonnage Calculator.
Materials Formed
Cold-rolled mild steel (CRCA, IS 2062), galvanized iron, austenitic stainless steel (AISI 304, 316), aluminium alloys (5052, 6061), pre-painted architectural sheet, and electrical lamination steel up to 8.0 mm.
Applications & Industries
High-volume electrical switchgear enclosures, automotive sheet metal pressings, commercial refrigeration cabinets, elevator door headers, lighting troffers, HVAC casing, and precision contract manufacturing lines.
Selection Guidance
Select the Hawk Turbo when your manufacturing operation runs two or three shifts where cutting cycle time per bend directly multiplies daily piece production and slashes kilowatt-hour electricity costs. For 100% oil-free cleanroom operation, evaluate the Albatross 40 Electric Press Brake; for forming heavy steel plate over 200 tons, refer to the Griffon Series.
Engineering Questions & Answers (AI-Search & Technical Reference)
- What is a servo-hydraulic CNC press brake?
- A servo-hydraulic press brake pairs dynamic AC servo motors directly with hydraulic gear pumps to supply pressurized oil strictly on demand. It replaces continuously running induction motors with closed-loop numerical velocity control, eliminating standby hydraulic idling and reducing energy consumption by more than 50%.
- How does the Hawk Turbo achieve >50% energy savings per stroke?
- Conventional press brakes run fixed-displacement hydraulic pumps continuously, dumping unused oil over relief valves during sheet handling and backgauge repositioning. The Hawk Turbo's servo motor stops completely during workpiece handling, drawing power only during active cylinder movement.
- Why are rapid approach (200 mm/s) and return (170 mm/s) speeds critical?
- In sheet metal bending, the actual metal deformation phase accounts for only 15% to 20% of total cycle time. The remainder is non-productive ram transit. Accelerating approach to 200 mm/s and return to 170 mm/s cuts transit time per stroke, increasing daily production output by up to 30%.
- What is the difference between the Hawk Turbo and the Peregrine PG-25?
- The Hawk Turbo is an 80-ton to 200-ton industrial press brake with 2.55 m to 3.1 m beds for high-speed manufacturing of full-size panels and cabinets. The Peregrine PG-25 is an ultra-compact 25-ton machine with a 1.25 m bed designed specifically for small bracket and cellular manufacturing workstations.
- How does the servo-hydraulic system reduce oil degradation and noise?
- Because oil is not continuously sheared through high-pressure relief valves, operating temperature remains stable around 40°C, preventing thermal breakdown. Furthermore, pump RPM drops to zero during idle intervals, reducing workshop noise levels by 10 to 15 dB(A).
Related Machinery & Engineering Tools
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CNC Press Brake Configurator •
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Complete Industrial Machinery Catalog
Brand: Hindustan Hydraulics | Manufacturer: Hindustan Hydraulics, G.T. Road, Suranussi, Jalandhar, Punjab 144027, India | Model: Griffon Series | Category: Heavy-Duty CNC Servo Press Brake (Heavy Form Expert)
Engineering Overview & High-Tonnage Authority
The Griffon series is the dedicated "Heavy Form Expert" of Hindustan Hydraulics' CNC press brake range, designed and manufactured at its integrated machine tool plant in Jalandhar, Punjab, India. Engineered for high-tonnage sheet and plate bending from 2,600 kN (260 Ton) up to 10,000 kN (1,000 Ton) in single-machine configurations—and exceeding 20,000 kN (2,000 Ton) in synchronized tandem and tridem arrangements—the Griffon represents India's premier heavy industrial plate bending platform. Built to withstand massive bending moments generated when forming thick structural plates up to 30 mm thickness, the Griffon delivers uncompromising structural rigidity, sub-millimetre high-tonnage precision, and advanced master-slave electronic synchronization across bed lengths from 3,100 mm to 16+ metres.
Furnace Thermal Stress-Relief & Monolithic C-Frame Integrity
High-tonnage plate bending exerts extreme cyclic shock loads on machine side frames. To guarantee permanent geometrical alignment, every Griffon frame is fabricated from heavy, certified structural steel plates joined via multi-pass submerged arc welding. Following ultrasonic weld verification, the entire monolithic welded frame structure undergoes full thermal stress relief in a dedicated industrial furnace. This controlled heating, soaking, and slow cooling cycle completely dissipates internal residual stresses. The frame is subsequently finish-machined in a single setup on large floor-type multi-axis CNC boring and milling machines. This rigorous manufacturing protocol eliminates frame distortion, guarantees perpetual Y1-Y2 guideway parallelism, and prevents fatigue micro-cracking over decades of continuous 1,000-ton operation.
Tandem & Tridem Master-Slave Electronic Synchronization
For applications requiring the forming of ultra-long structural sections—such as polygonal transmission poles, street lighting masts, telescopic crane booms, and railway wagon sole bars—two or three Griffon press brakes can be coupled in tandem or tridem configurations. In tandem mode, the machines are physically aligned end-to-end and electronically interlocked through a master-slave CNC architecture. The central CNC controller coordinates all four to six hydraulic cylinders (Y1, Y2, Y3, Y4, etc.) in real time, synchronizing beam displacement within ±0.01 mm across working bed lengths of 12, 14, or 16+ metres. Alternatively, with a single key switch on the operator pendant, the tandem machines can be decoupled to operate independently as two standalone press brakes during regular batch fabrication, doubling shop-floor asset utilization.
Heavy Plate Forming Mechanics: Hardox, Wear Plates & Deep Throat Depth
Forming heavy-gauge structural plates (10 mm to 30+ mm) and high-strength low-alloy (HSLA) or wear-resistant steels (such as Hardox 400, Hardox 450, and Hardox 500) requires exceptional throat depth, enlarged daylight, and dynamic crowning. The Griffon features an extra-deep 550 mm standard throat depth (with custom options up to 800 mm), allowing deep box profiles, return bends, and wide flanges to be manipulated freely between the side frames. Massive hydraulic bed crowning automatically pre-compensates for bed and ram elastic deflection under peak tonnage, ensuring consistent 90-degree bend angles across the entire length of heavy plate components.
Technical Specifications (Documented Data)
- Tonnage Capacity Range: 2,600 kN (260 Ton) to 10,000 kN (1,000 Ton) in single machines; >2,000 Ton in tandem.
- Working Lengths: 3,100 mm, 4,300 mm, 5,200 mm, 6,200 mm (up to 16,000+ mm in synchronized tandem configurations).
- Standard Model Matrix:
- Griffon 260-31: 260 Ton (2,600 kN) capacity | 3,100 mm bed length | 25 kW motor | 300 mm stroke | 2,550 mm between frames | 550 mm throat.
- Griffon 340-31: 340 Ton (3,400 kN) capacity | 3,100 mm bed length | 37 kW motor | 300 mm stroke | 2,550 mm between frames | 550 mm throat.
- Griffon 450-31: 450 Ton (4,500 kN) capacity | 3,100 mm bed length | 37 kW motor | 350 mm stroke | 2,550 mm between frames | 550 mm throat.
- Griffon 650-31: 650 Ton (6,500 kN) capacity | 3,100 mm bed length | 40 kW motor | 325 mm stroke | 2,550 mm between frames | 550 mm throat.
- Griffon 800-52: 800 Ton (8,000 kN) capacity | 5,200 mm bed length | 40 kW motor | 325 mm stroke | 4,200 mm between frames | 550 mm throat.
- Griffon 1000-62: 1,000 Ton (10,000 kN) capacity | 6,200 mm bed length | 47 kW motor | 325 mm stroke | 5,100 mm between frames | 550 mm throat.
- Kinematics & Speeds: Approach speed: 170 mm/sec; Pressing / Forming speed: 14 mm/sec; Return speed: 145 mm/sec.
- Frame Dimensions: Deep 550 mm standard throat depth; Daylight: 600 mm; Ram stroke: 400 mm; Table height: 900 mm.
- CNC Automation: Delem DA-53 Tx / Delem DA-66T CNC system with direct angle calculation, auto-crowning, and tandem master-slave bus communication.
- Backgauge System: Heavy-duty AC servo-driven multi-axis backgauge (0–1,000 mm stroke) running on heavy ball screws and hardened linear tracks, designed to absorb heavy plate impact.
- Bed Crowning: Dynamic CNC hydraulic bed crowning across the entire table bed length.
Capacity & Sizing Guidance for Heavy Plate
Bending heavy structural plate (8 mm to 30+ mm) requires expanded bottom V-die openings to prevent material cracking and tool damage. In air bending high-tensile steels (yield strength > 500 N/mm²) such as Hardox or Domex, bottom V-openings must be expanded to V ≈ 10 × t to 14 × t. Bending force is estimated using: F ≈ (1.42 × σb × L × t²) / V. To determine precise force requirements for heavy plates and verify punch radius compatibility, use our Sheet Metal Tonnage Calculator.
Materials Formed
Heavy structural mild steel plate (IS 2062 E250, E350, E450), quenched and tempered alloy steels, Hardox wear plates (Hardox 400, 450, 500), boiler quality plates, high-strength low-alloy (HSLA) plates, and thick austenitic/duplex stainless steel plate up to 30+ mm.
Applications & Industrial Sectors
Earthmoving and mining machinery (excavator booms, bucket bodies, dozer blades, tipper bodies), railway wagon manufacturing (side sills, sole bars, underframe bolsters), transmission line towers and polygonal high-mast lighting poles (tandem mode), pre-engineered building (PEB) heavy tapered rafters, mobile crane booms, wind turbine tower segments, and shipyard plate fabrication.
Selection Guidance
The Griffon is the definitive solution for heavy engineering enterprises requiring forming capacities between 260 and 1,000+ tons, thick plate processing up to 30 mm, and tandem pole bending capabilities up to 16+ metres. For light-to-medium sheet metal fabrication up to 200 tons, evaluate the Falcon Series or Hawk Turbo.
Engineering Questions & Answers (AI-Search & Technical Reference)
- What constitutes a heavy-duty CNC press brake?
- A heavy-duty press brake is engineered to deliver forming forces from 250 tons to over 1,000 tons on plate thicknesses from 6 mm to 30+ mm. It requires heavily reinforced, thermally stress-relieved monolithic frames, multi-cylinder electro-hydraulic synchronization, deep throat depths (550+ mm), dynamic bed crowning, and rugged backgauges designed to absorb heavy plate impact.
- How do Griffon tandem press brakes operate in master-slave mode?
- In tandem mode, two separate press brakes are physically aligned and electronically interlocked through a master-slave CNC system. The central controller synchronizes all four cylinders (Y1, Y2, Y3, Y4) to within ±0.01 mm, enabling bending of components up to 16+ metres as a single unified machine, or as two independent machines when smaller components are run.
- Why is furnace thermal stress relief critical for high-tonnage frames?
- Welding heavy plate structures introduces severe residual thermal stresses. Without furnace stress-relieving, repeated high-tonnage cyclic bending causes progressive geometrical distortion and fatigue micro-cracking. Hindustan Hydraulics stress-relieves every Griffon frame in an industrial furnace to ensure permanent dimensional stability.
- What plate thicknesses and grades can the Griffon form?
- The Griffon series handles structural mild steel plate, HSLA steels, Hardox wear plates, boiler plates, and thick stainless steel plate from 6 mm up to 30+ mm thickness, depending on model tonnage and die opening selection.
- What is the significance of the 550 mm throat depth on the Griffon?
- Throat depth defines the distance from the punch center line to the back of the machine frame. A deep 550 mm throat permits wide sheet flanges, return bends, and large-diameter box sections to pass cleanly without colliding with the frame side walls during complex forming sequences.
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Brand: Hindustan Hydraulics | Manufacturer: Hindustan Hydraulics, G.T. Road, Suranussi, Jalandhar, Punjab 144027, India | Model: Albatross 40 | Category: 100% Electric Servo CNC Press Brake (Eco & Precision Expert)
Engineering Overview & Primary Intent
The Albatross 40 represents the next generation of eco-efficient sheet metal bending technology, manufactured by Hindustan Hydraulics in Jalandhar, Punjab, India. Engineered with a 100% electric servo drive, the Albatross completely eliminates hydraulic power packs, proportional valves, oil tanks, seals, and oil filters. Delivering ultra-precise ram positioning with ±0.005 mm Y-axis repeatability, silent operation under 65 dB(A), and up to 50% energy savings compared to conventional hydraulic machines, the Albatross 40 is the ideal bending solution for cleanroom, electronics, medical device, and precision sheet metal fabrication.
Twin Ball-Screw Electric Servo Transmission Mechanics
The Albatross transmits mechanical bending force through twin high-precision, heavy-duty ball screws directly coupled to dual 11 kW high-torque AC brushless servo motors. This direct mechanical drive delivers instantaneous torque response without hydraulic compressibility, valve response latency, or oil thermal expansion. High-resolution absolute rotary optical encoders continuously measure ball-screw rotational displacement, achieving micro-positioning accuracy of ±0.005 mm at bottom dead centre (BDC). The press beam maintains exact repeatability from the very first cold bend in the morning through continuous multi-shift production runs, completely eliminating the thermal angle drift inherent to hydraulic systems.
100% Oil-Free Eco-Design & Cleanroom Compatibility
By replacing hydraulic cylinders with servo-driven ball screws, the Albatross operates with zero hydraulic oil. This completely eliminates hydraulic fluid replacement costs, oil filtration, valve seal rebuilds, pump overhauls, and oil cooler maintenance. The absence of oil mist, leaks, and hydraulic noise creates a pristine working environment, making the Albatross 40 fully compatible with cleanroom environments, electronic hardware fabrication, medical diagnostic equipment manufacturing, and food-grade stainless steel fabrication.
Kinematics, Speeds & Energy Characteristics
Operating kinematics are exceptionally rapid: pressing speeds reach up to 30 mm/sec, while maximum Y-axis transit speed reaches 200 mm/sec. The high-speed AC servo backgauge traverses at 450 mm/sec along the X-axis (±0.1 mm), 100 mm/sec on the R-axis (±0.2 mm), and 800 mm/sec across Z1/Z2 dual linear guideways. Power is drawn strictly when the servo motors are actively moving the ram or backgauge; during sheet handling and inspection, electrical power draw drops to near zero, lowering overall power consumption by up to 50%.
Technical Specifications (Documented Data)
- Bending Force: 400 kN (40 Ton); Albatross 80 configuration available at 800 kN (80 Ton).
- Working Length: 2,040 mm (Albatross 40) / 2,550 mm (Albatross 80).
- Drive Motors: 2 × 11 kW high-torque AC servo motors with absolute rotary encoders.
- Ram Kinematic Speeds: Pressing speed: up to 30 mm/sec; Maximum Y-axis speed: 200 mm/sec.
- Backgauge Speeds: X-axis: 450 mm/sec; R-axis: 100 mm/sec; Z1/Z2-axis: 800 mm/sec on dual LM guides.
- Positioning Repeatability: Y-axis repeatability: ±0.005 mm; X-axis: ±0.1 mm; R-axis: ±0.2 mm.
- Dimensions: Distance between frames: 1,550 mm; Throat depth: 200 mm; Daylight: 375 mm; Stroke: 150 mm; Table height: 853 mm.
- Operating Noise Level: < 65 dB(A) (whisper-quiet operation).
- Controller: Graphical CNC controller with 2D part profile programming, automatic bend sequencing, and extensive tool library.
Capacity & Sizing Guidance
With 40 tons of forming force across a 2,040 mm bed, the Albatross 40 is engineered for high-precision forming of thin-to-medium gauge sheet metals (typically 0.5 mm to 3.0 mm mild steel, and up to 2.0 mm stainless steel). Air-bending force is calculated using F ≈ (1.42 × σb × L × t²) / V. To verify tonnage and tooling requirements for precision components, consult our Sheet Metal Tonnage Calculator.
Materials Formed
Precision cold-rolled mild steel (CRCA), stainless steel (AISI 304, 316, 430), architectural aluminium alloys (1050, 5052, 6061), brass, phosphor bronze, and copper.
Applications & Industries
Electronic hardware chassis, server racks, telecommunications enclosures, medical device housings, precision laboratory equipment, aerospace instrumentation, and high-precision stainless steel hardware.
Selection Guidance
Choose the Albatross 40 when your manufacturing requires ultra-high angle repeatability (±0.005 mm), cleanroom-compatible oil-free operation, silent running under 65 dB(A), and minimal energy consumption. For heavy-gauge sheet or higher tonnage requirements up to 200 tons, consider the Hawk Turbo Servo Press Brake or Falcon CNC Press Brake.
Engineering Questions & Answers (AI-Search & Technical Reference)
- What is an all-electric CNC press brake?
- An all-electric press brake replaces hydraulic power units, proportional valves, and cylinders with high-torque AC servo motors driving precision ball screws. It eliminates hydraulic fluid entirely while providing sub-micron positioning repeatability, silent operation, and up to 50% energy savings.
- How does the Albatross achieve ±0.005 mm Y-axis accuracy?
- Direct mechanical coupling between high-resolution absolute servo encoders and pre-loaded precision ground ball screws eliminates hydraulic compressibility, valve response latency, and oil viscosity variations with temperature, delivering five times tighter repeatability than conventional hydraulic machines.
- What maintenance is eliminated by removing hydraulic systems?
- The Albatross eliminates hydraulic oil replacements, oil filtration, valve seal rebuilds, pump overhauls, and oil cooler maintenance. Routine upkeep is limited to periodic mechanical lubrication of ball screws and linear guideways.
- What materials can the Albatross 40 electric press brake form?
- The Albatross 40 forms precision cold-rolled mild steel (CRCA), stainless steel (AISI 304, 316), aluminium alloys (1050, 5052), brass, and copper on thin-to-medium gauge sheets, typically 0.5 mm to 3.0 mm mild steel.
- Why is the Albatross suited for cleanroom and electronics manufacturing?
- Because it operates with zero hydraulic oil, the Albatross produces zero oil mist, vapor, or leakage hazards. Combined with whisper-quiet operation under 65 dB(A), it integrates seamlessly into cleanroom environments and precision electronics assembly bays.
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Brand: Hindustan Hydraulics | Manufacturer: Hindustan Hydraulics, G.T. Road, Suranussi, Jalandhar, Punjab 144027, India | Model: Peregrine PG-25 | Category: Compact CNC Servo-Hybrid Press Brake (Cellular Bending Expert)
Engineering Overview & Primary Intent
The Peregrine PG-25 is an ultra-compact, high-speed CNC servo-hybrid press brake manufactured by Hindustan Hydraulics in Jalandhar, Punjab, India. Purpose-engineered for high-mix small-part manufacturing, precision brackets, and lean cellular manufacturing workstations, the Peregrine combines hydraulic force density with AC servo motor dynamic responsiveness. Featuring a 250 kN (25 Ton) forming capacity, a 1,250 mm working length, and a 65% smaller hydraulic reservoir, the Peregrine delivers up to 2.5 times faster cycle rates while slashing electrical power consumption by 70% compared to conventional hydraulic bending machines.
Compact Servo-Hybrid Closed-Loop Drive Mechanics
The Peregrine utilizes an innovative closed-loop servo-hybrid power unit. A dynamic bidirectional AC servo motor drives a compact hydraulic pump mounted directly above the single heavy cylinder. Hydraulic fluid is pumped directly into the cylinder on-demand without passing through conventional proportional throttling valves. When the beam reaches programmed bottom dead centre (BDC), the servo motor holds holding pressure with minimal electrical draw. Upon cycle completion, the servo motor reverses rotation instantaneously to retract the beam at 250 mm/sec, compressing non-productive transit time to under one second.
65% Smaller Hydraulic Reservoir & Cellular Layout Optimization
By eliminating throttling valves and continuous oil recirculation, the Peregrine's oil reservoir volume is reduced by 65% (under 30 litres total fluid). This small fluid volume prevents thermal oil degradation, stabilizes oil viscosity across multi-shift operation, and eliminates the need for auxiliary chillers. With a compact machine envelope of only 1,500 × 1,100 × 2,510 mm, the Peregrine integrates effortlessly into lean cellular manufacturing bays alongside turret punch presses, fiber laser cutters, and automated robotic stamping cells.
Differentiating Peregrine PG-25 from Hawk Turbo
While both machines incorporate servo-driven hydraulics, their operational roles are clearly distinct. The Peregrine PG-25 is an agile 25-ton compact press brake with a 1,250 mm bed designed specifically for small bracket, clip, and terminal bending in cellular manufacturing workstations. The Hawk Turbo, conversely, is an 80-ton to 200-ton high-speed production line press brake with 2.55 m to 3.1 m beds engineered for high-volume forming of full-size panels, switchgear cabinets, and structural assemblies.
Technical Specifications (Documented Data)
- Bending Capacity: 250 kN (25 Ton).
- Working Length: 1,250 mm.
- Stroke Length: 150 mm; Ram stroke: 200 mm.
- Kinematic Speeds: Approach speed: 250 mm/sec; Pressing speed: 20 mm/sec; Return speed: 250 mm/sec.
- Backgauge Kinematics: AC servo-driven X-axis at 250 mm/sec with manual R-axis and Z-axis on precision LM guides.
- Machine Dimensions: Envelope (L×W×H): 1,500 × 1,100 × 2,510 mm; Distance between frames: 850 mm; Throat depth: 375 mm; Table height: 915 mm.
- CNC Controller: Delem DA-53 Tx CNC graphical touchscreen with direct angle calculation and USB job memory.
- Tooling System: Quick-release punch clamps with European standard tooling compatibility.
- Energy Efficiency: Up to 70% energy reduction compared to standard induction-motor hydraulic press brakes.
Capacity & Sizing Guidance
Rated at 25 tons across 1,250 mm, the Peregrine is suited for sheet thicknesses up to 2.5 mm mild steel and 1.5 mm stainless steel on standard air-bending die openings. Bending force is calculated using F ≈ (1.42 × σb × L × t²) / V. To confirm exact tonnage for specific part geometries and tooling, consult our Sheet Metal Tonnage Calculator.
Materials Formed
Mild steel (CRCA), stainless steel (AISI 304, 316), aluminium alloys, phosphor bronze, brass, and copper thin-gauge sheets from 0.5 mm up to 3.0 mm.
Applications & Industries
Small electrical terminal boxes, sensor mounting clips, automotive brackets, consumer electronics brackets, medical device chassis, precision hardware, and prototyping cellular bays.
Selection Guidance
Select the Peregrine PG-25 for small, high-mix precision parts where large press brakes waste floor space, power, and cycle time. The lightning-fast 250 mm/sec approach and return speeds maximize hourly part throughput. For longer bending lengths, evaluate the Albatross 40 Electric Press Brake or Swift CNC Press Brake.
Engineering Questions & Answers (AI-Search & Technical Reference)
- What is a servo-hybrid press brake?
- A servo-hybrid press brake pairs an electric servo motor directly with a bidirectional hydraulic pump to control cylinder displacement without proportional throttling valves. It delivers the compact force density of hydraulics with the precision and energy efficiency of electric servo technology.
- Why is the Peregrine PG-25 2.5x faster in cycle time?
- The bidirectional servo pump accelerates instantaneously to 250 mm/sec approach and return velocities, shrinking non-productive ram transit time per cycle to less than one second and dramatically boosting hourly part output.
- What are the benefits of a 65% smaller hydraulic oil tank?
- A smaller oil tank reduces oil volume and replacement costs, accelerates thermal stabilization, eliminates oil overheating without auxiliary chillers, and enables an exceptionally compact machine footprint for cellular manufacturing bays.
- How does the Peregrine PG-25 differ from the Hawk Turbo?
- The Peregrine PG-25 is an ultra-compact 25-ton machine with a 1.25 m bed designed specifically for small bracket and cellular manufacturing workstations. The Hawk Turbo is an 80-ton to 200-ton industrial press brake with 2.55 m to 3.1 m beds for high-speed manufacturing of full-size panels and cabinets.
- What size parts are ideally suited for the Peregrine PG-25?
- The Peregrine PG-25 is optimized for components with bend lengths up to 1,250 mm and material thicknesses up to 2.5 mm mild steel, such as automotive electrical brackets, sensor mounts, terminal covers, and instrument chassis.
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