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FLEXIBLE BENDING CENTER
HC-1400 Flexible Bending Center
PRODUCT DESCRIPTION
The HC-1400 flexible bending center is our answer to fabricators who need an automatic panel bender for cabinet and enclosure work without paying for capacity they will never use. Its 1400 mm working length and 1250 mm sheet width cover the vast majority of cabinet blanks, while the fully servo-driven folding beam delivers consistent bends in mild steel to 1.5 mm, stainless to 1.5 mm and aluminum to 2.5 mm.
PRODUCT DETAILS
Flexible Bending Center vs. Traditional Press Brake - HC-1400
Choosing between a CNC bending center and a press brake is really a choice between a process that depends on the person running it and one that depends on the program. The HC-1400 flexible bending center is designed around the latter. The table below sums up what that difference looks like on a real shop floor.
Comparison point | HC-1400 Flexible Bending Center | Traditional Press Brake |
Operator skill | The operator loads the blank; the machine generates the bend program from a drawing. No manual die setting. | A skilled brake operator must set punches/dies, back gauge and estimate bend allowance by hand. |
Part changeover | Minutes: import the flat pattern and run. No die swapping, no trial-bend tuning. | Often hours: manual tool changes, re-setup and trial bends for every new part. |
Labor per cell | One person can watch several machines; ready for truss/robotic unmanned loading. | Typically two operators per brake - one to hold the sheet, one to run the ram. |
Cycle speed | ~0.2 s per bend edge, fully servo-driven motion. | Seconds per bend, paced by manual flipping and repositioning. |
Repeatability | +/-0.1 mm/m and +/-1 deg/m under closed-loop servo control. | Varies with operator experience and manual repositioning shift. |
Short runs | Profitable on small batches and one-offs because setup is almost free. | Setup cost kills short runs; efficient mainly on long production runs. |
Workplace safety | Enclosed automated cycle; little manual lifting near the tool. | Open brake pinch point; operators' hands work close to the die. |
Material range | Mild steel, 304/201 stainless, aluminum and laminated panels on one machine. | Wide, but each gauge/material needs dedicated tonnage and die selection. |
Add a truss or a six-axis robot to the HC-1400 and the comparison becomes even more lopsided: the flexible bending center can run unattended across shifts, while a press brake still needs two people at the dies. When you factor in safety, repeatability and overtime cost, the automatic bending center usually wins on total cost per part.
Mechanical structure
Reliability on a flexible bending center starts with the bed. The HC-1400 uses a high-strength welded frame following the same welding and stress-relief process proven on CNC turret punch presses. The carbon-steel plate chosen for the body outperforms cast iron in both specific stiffness and fatigue life, which matters because a panel bender cycles its beam thousands of times a day.
Because the welded frame can be engineered with local reinforcement, the HC-1400 keeps a high natural frequency well clear of the operating range, so the machine does not hum or resonate at production speed. Cast beds, heavier and more flexible, sit closer to that resonance band. After tempering and machining, the frame is built to hold the geometric accuracy a CNC bending center depends on.
Side view of the fuselage structure
Up close, the sheet-holding beam is a single rigid weldment that grips the blank flat without deflection, and the upper/lower folding knives move on precision pivots. On the HC-1400 this structure is matched to a 1400 mm working length so even large enclosure blanks are supported consistently. It is mechanical engineering that does not look flashy, but it is the reason the bending center stays accurate long after cheaper machines have started chasing their own tolerances.
Because the body is welded rather than cast, reinforcement can be placed exactly where the folding forces peak, rather than spread evenly as a casting process dictates. After tempering and finish machining, the bed, feeding carriage and folding beam all register to one another, giving the HC-1400 bending center the geometric backbone that +/-0.1 mm/m accuracy depends on.
Randomly photographed machine body in the production workshop
In a market where cheaper machines bolt cast parts together and hope for the best, the HC-1400 bending center takes the slower, stiffer route: weld, temper, machine, then build. That discipline shows up as quiet running, minimal rework and the confidence to quote tight-tolerance enclosure work that a less rigid machine simply cannot hold.
Servo system
Open the cabinet of the HC-1400 and you find a self-developed CNC on an EtherCAT bus, the same underlying architecture used on higher-end servo panel benders but wrapped in a front end designed for floor use. The screen is uncluttered: import the part, preview the fold path, press cycle. Operators with basic computer skills are productive within a short training window.
Beneath that simplicity the control does serious work: it stores bend-compensation and K-factor data, monitors gantry torque and position errors live, runs a three-axis automatic positioning that chooses the loading method by itself, and locks out die interference before a bad move. 3D animation simulates the bend, and 2D/3D drawing import/editing covers the way most sheet shops actually work.
The bus-based motion control refreshes quickly and supports up to 64 axes with linear and arc interpolation, which is why the HC-1400 feels crisp at 0.2 s per bend and why it interfaces so cleanly to robotic and truss automation. The software is upgradeable remotely, and the compensation memory means a proven part stays proven. That is the difference between a press brake you tune every Monday and a bending center that just repeats.
Programming on this bending center means no more hunting for springback corrections by feel. The angle-compensation module lets you measure the left/right heights and angle of a trial flange, enter them, and the control recalculates automatically. Combined with power-off memory of machine coordinates and a non-marking bend function, the HC-1400 software removes almost all of the setup guesswork.
Sheet-metal software used to be the weak link on imported bending centers, locked behind proprietary controls and slow to update. The HC-1400 inverts that: an open, self-developed CNC that speaks drawing files directly and improves over time, which is a large part of why this flexible bending center is competitive on a total-cost basis.
Optional auxiliary folding knife
One of the quiet advantages of the HC-1400 bending center is its optional local bending knife. Rather than bending every edge across the full machine length, the servo-driven auxiliary head steps in only where the program calls for a partial fold - the system selects it automatically, so the operator does not have to think about it.
The partially bending blade is made of Japanese high-speed steel and undergoes quenching and hardening treatment to effectively ensure the service life of the blade.
Material quality on the blade matters: it is high-speed Japanese steel, quench-hardened, so it keeps its form and edge through long stainless runs. The attachment adjusts in length, bends interrupted lines and short side flanges, and comes in convex and concave profiles for up- and down-turned hems.
For a fabricator, that capability is what makes the HC-1400 flexible bending center genuinely flexible. It absorbs the odd-shaped blanks, the notched panels and the partial flanges that usually get farmed out or hand-finished, and folds them in the same automated cycle. The optional knife pays for itself on the first complex cabinet your competitors have to send to a secondary operation.
Optional auxiliary folding knife
Technical parameters
Figures below are for the standard HC-1400 configuration. Custom options (extra axes, taller bending height, automation packages) are available on request.
No. | Item | Parameter | Unit | Remark |
1 | Max. bending length | 1400 | mm | |
2 | Max. sheet width | 1250 | mm | |
3 | Max. bending height | 170 | mm | Customizable |
4 | Max. bending thickness (std. die, 90 deg) - Mild steel (sigma b <= 410 MPa) | 1.5 | mm | |
Max. bending thickness (std. die, 90 deg) - 304 stainless (sigma b <= 660 MPa) | 1.5 | mm | ||
Max. bending thickness (std. die, 90 deg) - Aluminum (sigma b <= 265 MPa) | 2.5 | mm | ||
5 | Min. bending thickness | 0.3 | mm | |
6 | Flange angle range | 0-180 | deg | |
7 | Angle accuracy | +/-1 | deg/m | |
8 | Bending dimension accuracy | +/-0.1 | mm/m | |
9 | Bending speed | 0.2 | s/bend | |
10 | Running noise | approx. 50 | dB | |
11 | Air supply pressure | 0.5 | MPa | |
12 | Total controlled axes | 13 (customizable) | - | Customizable |
13 | System accuracy | 0.001 | mm | |
14 | Operating environment | Win10 | ||
15 | Average power (approx.) | 1.5 | kW | |
16 | Overall dimensions (approx.) - Length | 4600 | mm | |
Overall dimensions (approx.) - Width | 3200 | mm | ||
Overall dimensions (approx.) - Height | 2650 | mm |
Note: data above are based on the standard machine configuration.
Product Configuration
The HC-1400 combines the host body with a servo feeding section. The feeding arm offers high rotation accuracy, fast motion and stable running, while the host is built from the upper pressure beam, lower pressure beam and upper/lower folding knives. Core components are selected from established brands - INVT servo, Roth/Hanjiang linear guides, Fengke planetary reducers, NSK bearings, Schneider and Idec electrics - to protect both accuracy and uptime.
No. | Main section | Component | Brand | Advantage |
1 | CNC system | Operating environment: Win10 | Self-developed | High stability, strong compatibility |
2 | Servo unit | Servo drive + motor | INVT | Bus full-closed-loop servo system |
3 | Transmission | Linear guide & ball screw | Roth / Hanjiang | Super heavy-load linear guide |
Reducer | Fengke | Ultra-precision planetary reducer | ||
Bearing | NSK | Heavy-load, high-precision bearing | ||
4 | Electrical system | Circuit breaker | Schneider | Stable circuit protection, durable |
Pushbutton | Idec | Million-cycle service life, durable | ||
5 | Machine body | Welded frame | Self-developed | Higher rigidity, stable anti-vibration |
Bending tooling | Self-developed | Precise bending, wear-resistant |
Product Configuration
Product Configuration
Servo unit
Linear guide
1. Motor Configuration: Three 16.8KW motors are used for the up-and-down movement of the pressure cutter, three 16.8KW motors for the up-and-down movement of the folding cutter, and three 7.5KW motors for the forward-and-backward movement of the folding cutter.
2. Reducer Configuration: Speed ratio 3; the maximum processing speed of the pressure cutter's up-and-down movement can reach 13000mm/min. The C-axis rotary reducer adopts an RV reducer structure with a speed ratio of 57, improving rotational rigidity.
3. Bearing Configuration: Imported Japanese bearings are used to improve mechanical precision and service life.
4. Guide Rail and Lead Screw: The main unit uses a 63 heavy-duty lead screw, and the guide rail uses a 45 roller structure, ensuring high precision and good stability.
Bending principle
Positioning method
Positioning is where a cheap panel bender falls apart, and the HC-1400 does it properly: servo motor and ball screw drive the X axis, a Y push plate squares the blank, and the operator chooses corner positioning for cut-corner parts or edge positioning for notched and irregular blanks.
Corner positioning
Edge positioning
The clamping beam uses a linkage force-amplification design so it closes fast but clamps hard, eliminating sheet movement during rotation. Because clamp pressure is adjustable, you protect the cosmetic surface of stainless and aluminum while still gripping mild steel firmly. The rotation system is a servo plus high-precision harmonic reducer, and feeding is on servo ball screws.
Net result on the HC-1400: consistent 0 to 180 degrees bending, repeatable to +/-1 deg/m and +/-0.1 mm/m, on parts ranging from small flanged panels to multi-edge enclosure shells. The finished samples below illustrate the finished-work range; every one of them is located, folded and unloaded by the bending center without hand repositioning.
For a buyer focused on repeatability, the key number is not the fastest bend but the consistency bend after bend: with servo locating and a harmonic-reducer rotation, the first flange of the 500th panel lines up with the first. That is the difference between a bending center you can run unmanned and a panel bender that still needs an operator checking every part, and it is what lowers the cost per finished panel over time.
Positioning accuracy is the quiet multiplier on everything else the HC-1400 does. A perfect folding beam is wasted if the blank is located badly, which is why we put servo ball screws, a Y push plate and a harmonic-reducer rotation axis into what looks like a simple move.
Finished bending products display
After-Sales Service System
The cooperation that the user should provide
Support does not stop after the HC-1400 flexible bending center ships. Our after-sales system is organized under a formal quality-assurance procedure: the guarantee starts at commissioning and covers the machine for one year, with acceptance automatically recognized three months after delivery if commissioning is delayed for reasons on the buyer's side.
Whoever runs your machine gets trained to run it: send staff to us, or have our engineers on your floor, covering operation, routine maintenance and fault handling until your team is self-sufficient. Every maintenance action is documented and reviewed, so service quality stays consistent rather than depending on which engineer calls.
Our dedicated after-sales desk responds online to service requests promptly, offers lifetime maintenance and technical consultation, and supplies spare parts beyond the warranty period. Remote diagnosis and free software upgrades keep the HC-1400 bending center current for years. When you invest in a flexible bending center, you are also buying that long-term support.
The service relationship does not end at warranty: beyond the guarantee we continue to supply wear parts, carry out remote upgrades and answer technical questions for the life of the machine. Each HC-1400 keeps its own usage record, so when you call about a bending center years after delivery, we already know its configuration and service history and can quote the right spare parts without a long diagnosis.
A flexible bending center is a long-term asset, and the after-sales network is part of that asset. With lifetime support, available spare parts and free remote upgrades, the HC-1400 stays productive and up to date for its whole working life.
(I) A solemn commitment and a strict system (see the provisions on after-sales service in the ISO 509001 quality assurance system for details).
1. Our company was among the first in the machine tool industry to pass ISO9001 quality system certification. We offer a one-year warranty starting from the completion of equipment commissioning. If commissioning and acceptance are not completed within three months of delivery due to reasons attributable to the user, the equipment will be considered accepted by the user, and the warranty period will automatically begin. The contract will continue to be executed according to the relevant terms after acceptance.
2. Maintenance service personnel must make detailed records of completed maintenance tasks and problem-solving methods when providing service to users. Users must provide feedback to the company. We implement strict control and evaluation of the work quality of our service personnel.
(ii) A dedicated service team ensures the operability of the service network.
1. The user can send operators to our company, or our after-sales personnel can go to the customer's factory to provide free training on operation, maintenance, and upkeep of the machine tools until the operators can operate them independently.
2. A dedicated after-sales service team with a 24-hour service hotline and multiple offices nationwide can promptly respond to customer service requests. In case of a malfunction, a response will be provided within 2 hours, and arrival at the customer's factory will be within 7 hours.
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