CNC Press Brake 6-8 Axis

Overall welded and processed structure
Closed loop control mode composed of electric-hydraulic servo valve and measure ruler, ensure the highest precision, bending accuracy and repositioning accuracy are also reach the highest level.
Back gauge mechanism can control several axis.
Integrated hydraulic system decreases the pipe connections, oil leakage and increase the stability and overall reasonable appearance.
Hydraulic compensation mechanism helps to prevent the deformed slider from affecting the quality of the workpiece and compensation mechanism adjusted automatically by the CNC controller which is convenient and accuracy.
Controller system adopt Holland Delem, Italy ESA, and Swiss CYBELEC with multi-language selection.
Important parts such as the fuselage and sliding block are analyzed by ANSYS finite element analysis software to ensure the reliability of the machine tool.
Using a fully functional backgauge mechanism, which can choose to control multiple backgauge shafts. Functional parts in the backgauge. Such as guide rails, lead screws, bearings, etc., all use imported original parts to ensure the accuracy of the back gauge.
The hydraulic system adopts the integrated control system imported from Germany, which reduces pipeline installation, improves the working stability of the machine tool, and has a beautiful and simple appearance.

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Technical Specifications for 6-8 Axis CNC Press Brake

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Machine tool type	Nominal pressure (KN)	Bending length (MM)	Column spacing (MM)	Throat depth (MM)	Cylinder stroke (MM)	Maximum opening height (MM)	Main motor power (KW)	*Dimensions (LWH)MM*
50T/1600	500	1600	1300	320	150	430	5.5	300014002300
70T/2500	700	2500	2000	350	150	430	5.5	300014002400
110T/2500	1100	2500	2000	450	200	500	7.5	400016002700
110T/3200	1100	3200	2700	450	200	500	7.5	400016002700
110T/4100	1100	4100	3600	450	200	500	7.5	480016002700
130T/3200	1300	3200	2700	450	200	500	11	400016002700
130T/4100	1300	4100	3600	450	200	500	11	480016002700
170T/3200	1700	3200	2700	450	200	500	11	400016502800
170T/4100	1700	4100	3600	450	200	500	11	480016502800
170T/6000	1700	6000	5300	450	200	500	15	660017502900
200T/3200	2000	3200	2700	450	200	480	15	400017502900
200T/4000	2000	4000	3500	450	200	480	15	480017502900
200T/6000	2000	6000	5300	450	200	480	18.5	660018503450
250T/3200	2500	3200	2700	450	250	530	18.5	400018503100
250T/4000	2500	4000	3500	450	250	530	18.5	480018503100
250T/6000	2500	6000	5300	450	250	530	22	660019503200
300T/3200	3000	3200	2600	450	250	530	22	400019503200
300T/4000	3000	4000	3400	450	250	530	22	480019503400
300T/6000	3000	6000	5200	450	250	530	30	660021503430
400T/4000	4000	4000	3300	450	300	540	30	480021003500
400T/6000	4000	6000	5100	450	300	540	37	660023003700
500T/4000	5000	4000	3300	450	300	540	45	480021003600
500T/6000	5000	6000	5100	450	300	540	45	660023003800

Overview of 6-8 Axis CNC Press Brake Configuration

FEA & Stress Analysis

Stress Analysis & Finite Element Analysis.

DUMACNC role of finite element analysis (FEA) for press brakes is to simulate and evaluate the stress, deformation, and performance of the equipment under various operating conditions, thereby optimizing design, improving product quality, and enhancing reliability. FEA enables precise prediction of the strength and rigidity of critical press brake components, identifying potential structural weaknesses, which reduces material waste and cost overruns during the design phase. Its advantages include improved equipment safety and durability, shortened development cycles, reduced costs for physical testing, and support for customized designs to meet specific customer needs. By leveraging FEA, press brake manufacturers can deliver more efficient and reliable products, strengthening their competitive edge in the market.

Standard Equipment

CNC DELEM DA69T featuring 3D color graphics
Main Motor: ESTUN/INOVANVE Main Servo Motor
Hydraulic System: Bosch-Rexroth (Germany)
Grating Ruler: GIVI (Italy)
Foot Pedal: Kakun(Korea)

Pump: Sunny(USA)
X, R, Z1, Z2-Axis equipped with HIWIN linear guides and ball screws
Standard BGA-2 for X and R axes (X=600mm, R=200mm)
Electrical Components: Schneider (France)

Introduction to Configuration of CNC Press Brake 6-8 Axis

DA-69T Features:

The DELEM DA-69T provides both 2D and 3D programming, featuring automated bend sequence computation and collision detection. It supports comprehensive 3D machine configuration with multiple tool stations, delivering accurate feedback on product feasibility and handling.

17″ high resolution colour TFT
2D graphical touch screen programming mode
3D visualisation in simulation and production
Delem Modusys compatibility (module scalability and adaptivity)
USB, peripheral interfacing
Profile-T2D offline software
Sensor bending & correction interface

CNC Control System

BGA-6 BackGauge

Backgauge Features

X and R axes equipped with ball screws and linear guides
Z1 and Z2 axes feature precision linear guides and YYC rack system
Dual-stop fingers with micrometric adjustment
Mechanical precision of ±0.03 mm
R1-R2 axis speed: 500 mm/s
X1-X2 axis speed: 600 mm/s (optional 1000 mm/s)
Z1-Z2 axis speed: 1100 mm/s

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Products Details

Fast Clamping

It is easy to clamp the mold, adjust the mold force evenly, and prevent the damage of the upper slide block.

Deflection Compensation

The lower table is equipped with domestic mechanical deflection compensation device or hydraulic disturbance compensation as standard, and the compensation is closed-loop control with high control accuracy.
The compensation amount is automatically calculated and set by the numerical control system to ensure the consistency of the full-length bending angle.

Front Plate Support

Movable foot switch, easy to operate, with emergency stop function.

Advanced Multi-Axis Back Gauge

Linkage and precise control significantly enhance machining accuracy, efficiency, and flexibility, making it particularly suitable for industries such as aerospace, automotive manufacturing, and precision machinery that require complex, high-precision sheet metal processing. Compared to traditional bending machines, it offers a higher degree of automation, more convenient operation, and significantly improved production efficiency and product quality.

Hydraulic System--German Rexroth valve

Adopt the most advanced fully closed loop electro-hydraulic servo synchronous control system. Y1 and Y2 can be programmed individually, can work under partial load, and can also be tapered. The bottom dead center has a pressure holding time, which is programmable to ensure the accuracy of different parts. With the function of slow return control, the operator can better control the workpiece.

ESTUN/INOVANCE SERVO Motor

servo motors offer superior performance as a replacement for Siemens motors, delivering:40% improved energy efficiency,Significant noise reduction (15-20dB lower),Compact design with reduced hydraulic fluid requirements.

Grating Ruler

Italy GIVI linear magnetic gate ruler, high-precision guide system, position measurement system closed-loop control, can meet the full length or partial load processing needs

KAKUN Korea Pedal switch

Offer superior durability with 1M+ operation cycles, precise control via high-sensitivity sensors, and IP65/IP67 protection for harsh environments. Featuring ergonomic designs with adjustable pedals and wide voltage compatibility (24V-220V), they ensure safe, reliable operation for industrial equipment like CNC machines and press brakes. Energy-efficient models include contactless options.

Hybrid Servo System

Hybrid servo control system achieves high precision and efficiency by precisely adjusting pressure, speed, and position. It offers advantages such as energy efficiency, flexibility, and automation. It enhances repeatability and consistency in bending, reduces energy consumption and maintenance costs, while improving system stability and extending equipment lifespan. This technology is crucial for increasing productivity and reducing operational costs.

Schneider Electric

Using Schneider Electric's equipment and control systems in press brakes offers high reliability, intelligent control, energy efficiency, and strong system compatibility. Their products enhance machine stability, optimize energy use, enable remote monitoring, and provide global support, ensuring improved performance, reduced maintenance costs, and increased overall productivity.

Laser Protection Features:

The bending machine laser protection device is divided into two parts :detection system and system The detection system includes transmitter,receiver,signal transmission line,mounting bracket,etc.

Light source has small divergence and is resistant to reflection interference.
Suitable for fat bending, box bending,Z-bending and other workpieces.
Efectively preven taccidental crushing during bending.
The chip judgment data can be automatically aligned during bending vibration.
Protection grade: IP65.
Protection range:20m.
Induction mode: opposite shooting.
Response time:15s. Sensing distance:0-3m CE certification.

Laser Protection

Laser Angle Detection

Laser Angle Detection Features

On line detection of metal bending-easy integration and cost-effective.

Laser-based Bending Angle Measurement System
Innovative sensors for measuring bending angles on press brakes
Easy to Use Parallel use 2 of 4 sensor
Spring-back calculation by using for detection withstrain gauges or by detecting the end of angle variation
Connection to ESA Cvbelec, Delem, Amada, Robosoft controls and others High Accuracy

He Laser Check sensor is mounted on the press brake, below the die, With an angle of 35°-55°to the vertical.
The working distance (between sensor and sheet) is90-2000mm, Depending on the sensor type.
It is move able along the die either manually or automatically.
Due to its mounting position the measuring range is30°-180° (bending angle).
For each measuring position 2 sensors are used.
Motorized sensors enable an independent correction of the beam to Compensate angle differences in long bends.
Measurement in the machine center allows crowning correction (depending to the control).

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