135 ton CNC Press Brake with DA-66T ,6-Axis CNC Back Gauge

The 135 ton CNC bending machine backgauge can increase the machine speed and improve the X axis position precision.

Also save the worker cost and working time, and the machine can have the Laser protection , can ensure the worker safety


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The electro-hydraulic servo 135 ton CNC bending machine is a type of bending machine that uses a servo motor as an actuating device, and the numerical control system combines the feedback data of the grating ruler to control the flow rate of the two main oil cylinders to achieve synchronous movement of the slider.

In addition, the main oil cylinders on both sides of the bending machine adopt German imported electro-hydraulic servo valves and Italy GIVI Linear encoder to form a closed-loop control.

The feedback is accurate and the slider runs accurately, so that the bending accuracy and the repeated positioning accuracy of the slider are high.

1. Direct angle programming, with angle compensation function.
2. Grating ruler real-time detection feedback correction, full closed-loop control, positioning accuracy of back gauge and slider dead gauge is ±0.02mm.
3. The upper die adopts quick clamping device, and the lower die adopts oblique wedge deformation compensation mechanism.
4. With multi-step programming function, it can realize multi-automatic operation, complete one-step processing of multi-step parts, and improve production efficiency.
5. According to the user’s needs, the imported hydraulic system with stable performance, compact structure, ball screw and synchronous belt drive can be selected for the back gauge.

135 ton CNC Machine safety standard

1. EN 12622: 2009 + A1: 2013

2. EN ISO 12100: 2010

3. EN 60204-1: 2006 + A1: 2009

Front protection device to protect fingers (safety light curtain)

South Korea KACON foot switch (level 4 safety level)

Rear metal protection and CE standards

Safety relay monitor completes pedal switch, safety protection

Safety standard (2006/42/EC)

Performance characteristics of electro-hydraulic servo CNC bending machine:

1. The 135 ton CNC steel bending machine adopts a hydraulic convex automatic compensation system to solve the influence of the deformation of the slider during the bending process on the quality of the workpiece. The amount of compensation is automatically adjusted by the CNC system, which is convenient and accurate.

2. The CNC bending machine adopts a full-function back gauge mechanism, which can choose to control multiple back gauge shafts. Functional parts in the backgauge. Imported originals such as guide rails, screws and bearings are used to ensure the accuracy of the back gauge.

3. The body of the electro-hydraulic servo CNC bending machine adopts an integral welding structure, which is convenient for transportation and processing, and can ensure the accuracy of the machine.

4. The machine body, slider and other important components are analyzed using ANSYS finite element analysis software to ensure the reliability of the machine tool.

5. The hydraulic bending machine adopts the integrated control system imported from Germany, which reduces the installation of pipelines, improves the working stability of the machine tool, and has a beautiful and concise appearance.

Machine controller DA66T

2D graphical touch screen programming mode
3D visualization in simulation and production
Crowning system control
17″ high resolution color TFT
Date backup/ restore via USB
Bending tool/material/product library
Full Windows application suite
Open system architecture

Among it, the DA66T controller is popular among the customer. Its advantage as below:

1 The electro-hydraulic servo system is used to control the double-cylinder synchronization, and cooperate with the international standard grating ruler to form a fully closed-loop control. The synchronization control has high precision, and the bending accuracy and repeated bending accuracy also reach a high level.

2 According to user needs, it can have a hydraulic upper mold automatic clamp or a quick clamp, a slot type lower mold, which can reduce the labor intensity of workers and improve production efficiency.

3 The fully functional back gauge mechanism can have six axes. The compensation adjust automatically  by the CNC system, which is convenient for compensation

4 There are segmented upper dies of different lengths, which can assemble into a certain width according to the requirements of the workpiece to meet the processing needs of special workpieces.

5 The CNC oil cylinder deflection automatic compensation system overcomes the influence of the deformation of the slider on the quality of the workpiece during the work process, and ensures good straightness and bending angle of the processed workpiece.

6 The flexible operation mode can be used, which can not only link the two machines to solve the processing of ultra-long plates, but also process the short pieces in a single machine, improve the utilization rate of the machine tool and reduce energy consumption.

7 Intelligent module structure, built-in PLC function, automatic programming and bending simulation, collision detection function, can realize remote diagnosis, high-resolution true color TFT display.

Machine CNC Axis Explanation

Y1                                  Left cylinder electro-hydraulic synchronous closed loop control axis
Y2                                  Right cylinder electro-hydraulic synchronous closed loop control axis
X (X1 , X2)                     Back gauge moving axis (back and front)
R(R1, R2)                       Back gauge moving axis (up and down)
Z1,Z2                            Two stop fingers moving axis (left and right)
V                                  CNC crowning axis


1System controllerDelemNetherlands
2Main motorSIEMENSGermany
3Electric componentsSCHNEIDERFrance
4Main hydraulic valveREXROTHGermany
5Hydraulic pumpSUNNYUSA
6Linear encoderGIVIItaly
7Foot switchKACONSouth Korea
8Tubing connectorEMBGermany
9Ball screw and linear guideHIWINTaiwan
10Servo motor and driverYASKAWAJapan
11Seal ringsNOKJapan
12Quick clampHARSLEChina
13CNC Punch and dieStandard Punch and 4V die or 2V die



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