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Tandem Press Brake

Tandem Press Brake

Description
The tandem press brake machine is a specially designed device that consists of two press brake machine main units. These two main units work together seamlessly through a precision dual-machine synchronization system, making the processing of long workpieces more convenient and efficient.

Introduction

Ⅰ.Features


1.Double linkage machine by CNC system of hydraulic press brake machine can be stand-alone or dual-operating.
2.The standard 2 shafts back gauge system for press brake machines, as to complex shape work pieces, 3 or 4 shafts back gauge system and corresponding dies are available for your option.
3.Press brake using fully closed-loop electro-hydraulic servo control technology, slider position signals can be feedback to CNC system by bilateral gratings, then CNC system adjusts the amount of fuel tank by changing the synchronous valve opening size, hereby controlling the slider Y1, Y2 running on the same frequency, maintaining the parallel state of the worktable.
4.According to state of sheet metal on the press brake, CNC system can automatically control the table deflection compensation yielding uniform length of all workpieces angles.




Ⅱ.Parameters

Type

Nominal pressure (KN)

Workbench length (mm)

Workbench width
(mm)

Poles distance  (mm)

Throat depth (mm)

Main motor (kw)

Dimensions  L*W*H
(mm)

2-100*3200

2*1000

2*3200

950

2750

390

2*7.5

2*3900*1800*2650

2-125*3200

2*1250

3200

950

2750

390

2*11

2*3900*1800*2680

2-160*3200

2*1600

3200

1000

2740

400

2*15

2*4000*1900*2720

2-200*3200

2*2000

2*3200

1000

2730

400

2*18.5

2*4000*1900*2720

2-300*3200

2*3000

2*3200

1330

2720

500

2*22

2*4000*2200*3500

2-100*4000

2*1000

2*4000

950

3350

390

2*7.5

2*4800*1800*2650

2-125*4000

2*1250

2*4000

950

3350

390

2*11

2*4800*1800*2680

2-160*4000

2*1600

2*4000

1000

3340

400

2*15

2*4800*1900*2720

2-200*4000

2*2000

2*4000

1000

3330

400

2*18.5

2*4800*1900*2800

2-250*4000

2*2500

2*4000

1000

3330

450

2*18.5

2*4800*1900*2850





Ⅲ.Machine Block


CNC press brake features a rigid frame for minimum deflection under the load. Machine welding is made by welding apparatus & welding robots. After the welding,we make stress relief process by vibration system. After the stress relief process machine frame goes to CNC 5 axes machining centers for accuracy. All reference surfaces and connection holes are machined. By all this processes machine frame sensitivity is protected for a long life time.

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Ⅳ.Application

CNC Synchro Tandem Press brakes use 2 same models press brake united for bending longer sheet, especially over 8m length, 2 machines can be bending independent for high productivity short metal bending, it uses same controller with synchro technology; different models can be also united with tandem options, one big press bending thick&larger parts, one small press bending thin&small profiles, it can be work together bending longer parts with reasonable design on 2 different size machines.

Tandem press brake adopts the double or multi machine synchronous working principle.

The tandem press brake can process the extra long workpiece, such as the road lamp pole and power pole of the urban construction and expressway.






Ⅴ.Rigid Frame Construction


The machine body is in overall welded and overall processed structure, and ANSYS finite element analysis software is applied to main parts of the machine body for analysis, which has ensured the reliability of machine tool and the precision of entire machine. The foundation of every press brake is a solid, mono-block frame made from mill certified, high-yield steel. As a result our press brakes perform accurately and reliably year after year.

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Dual Hydraulic Cylinders


Dual hydraulic cylinders located on either side of the ram provide faster approach speeds. The cylinders are synchronized to provide smooth motion resulting in precise ram positions to accuracy of 0.004






Wide Frame Stance


RAYMAX press brakes can easily handle parts with deep bends and long tooling due to their open space design. Our machines typically have deeper throat depths, greater daylight clearance and longer stroke lengths than most manufacturers on the market. We mount the RAM GUIDING on the outside of the frame to maximize the distance between the side frames to accommodate deep part flanges.

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Ⅵ.Crowning system


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CNC crowning ensures a constant bend angle across the full length of the machine. This is achieved by pre loading the machine, to offset any possible deflection under load or compensate for any tool wear, so that under load contacting surfaces are parallel to each other.

With CNC crowning systems the press brake control is preprogrammed with machine characteristics and deflection data. With manual crowning a simple spread sheet or chart can be easily developed for each application.

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Manual Crowning

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Deflection Compensation Workbench



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RAYMAX PPO Family CNC Crowning

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Wila Tool Holders And Crowning System




Ⅶ.CNC Control System

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DA-53T

-10.1" high resolution colour TFT
-2D graphical touch screen programming
-“Hot-key” touch navigation
-Up to 4 axes (Y1,Y2 + 2 aux. axes)
-Profile-T offline software

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DA58T

- 15" high resolution colour TFT
- 2D graphical touch screen programming
- Up to 4 axes (Y1, Y2 + 2 aux. axes)
- Bend sequence calculation
- Profile-58TL offline software

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DA66T

- 17" high resolution colour TFT
- 2D graphical touch screen programming mode
- 3D visualisation in simulation and production
- Profile-T2D offline software

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DA69T

- 17" high resolution colour TFT
- 2D and 3D graphical touch screen programming mode
- 3D visualisation in simulation and production
- Profile-T3D offline software

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DA66S

- 24" high resolution color TFT
- 2D graphical touch screen programming mode
- 3D machine representation, in simulation and production
- Profile-SL offline software

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DA69S

- 24" high resolution color TFT
- 3D and 2D graphical touch screen programming mode
- 3D visualization, including 3D machine representation, in simulation and production
- Profile-S3D offline software



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CT8

- 7” color graphic CRT screen
- 2D graphic profile creation with manual sequencing
- Up to 4 axes (Y1,Y2 + 2-axes)
- Angle and back gauge correction.
- Delivered with PC1200 offline software

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CT12

- 12” color graphic with fully touch screen
- Touch 2D graphic part creation with manual sequencing
- Up to 4 axes (Y1, Y2, X, R-axes)
- Angle and back gauge correction.
- Delivered with PC-ModEva offline software

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CT15

- 15” color graphic with fully touch screen
- Touch 2D graphical profile drawing and precise 2D program creation
- Up to 6 axes (Y1, Y2, X, R, Z1, Z2-axes)
- VisiTouch 2D or VisiTouch MX offline software.





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ESA S630

- 10 inch LCD touch screen (Resistive)
- Touch 2D graphic part creation with manual sequence
- Stander to 4 axis(Y1, Y2, X, R)
- Free off-line PC simulation software
- Tandem machine management (option)
- Modbus TCP interface for SCADA or MES (option)

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ESA S640

- 15 inch LCD touch screen (Resistive)
- Touch 2D graphic part creation with automatic sequence
- Stander to 4 axis, can up to 6 axis max.
- Free off-line PC simulation software
- Tandem machine management(option, can up to 4 machines)
- Modbus TCP interface for SCADA or MES (option)

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ESA 860

- 18.5" designed for multi touch screen
- Support import of tools shapes (.dxf ifles)
- Support ESA 3D Bend software
- Equip standard industry 4.0 Modbus TCP interface

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ESA S875

- 21.5” designed for multi touch screen
- Support multi touch application
- Support import of tools shapes (.dxf files)
- Support ESA 3D Bend software
- Equip standard industry 4.0 Modbus TCP interface




Ⅷ.Backgauge System



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RAYMAX offer 2, 4 and 6 axes support brackets to help with all your bending needs. Let us help you configure the best solution for your press brake needs.





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BGA-2 BackGauge(X,R)

- Ball screws and linear guide on X, R-axis
- Axis X speed 500 mm/s.- Manual Z1, Z2-axis with HIWIN linear guide
- Mechanical accuracy ± 0.03 mm.
- Fingers with double stop and micrometric adjustment.

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BGA-4 BackGauge(X,R,Z1,Z2)

- Ball screws and linear guide on X, R-axis
- Precision belts and YYC rack on axes Z1-Z2.
- Fingers with double stop and micrometric adjustment.
- Mechanical accuracy ± 0.03 mm.
- Axes Z1-Z2 speed 1000 mm/s.
- Axis X speed 500 mm/s.






BGA-6 BackGauge(X1, X2, R1, R2, Z1, Z2)


- Ball screws and linear guide on X, R-axis

- Precision linear guide and YYC rack on axes Z1‐Z2.
- Fingers with double stop and micrometric adjustment.
- Mechanical accuracy ± 0.03 mm.
- Axes R1‐R2 speed 500 mm/s
- Axes X1‐X2 speed 600 mm/s. (1000 mm/s optional)
- Axes Z1‐Z2 speed 1100 mm/s.

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Ⅸ.Tooling Clamping System


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1.Rolleri Clamping System

The new clamping Amada, Boschert, Bystronic-Beyeler Euro-B, ROL200 for Punches! Compatible with: NEWDurmazlar, Ermaksan, Gasparini, Haco, Promecam, etc. The new patented system enables manual, pneumatic or hydraulic vertical clamping of your top tools. The special features are the enormously simple handling and the surprisingly low price, which guarantees huge efficiency.

Advantage:

- Fast vertical tool change for all Rolleri R1 type punches
- Can be used without modifying Rolleri R1 type punches
- Safe and fast tool change
- Substantial improvement in time consumption and related costs
- Secure against tool falling down
- Available in manual, pneumatic and hydraulic models


2.Wilson Pneumatic Clamping

This innovative fast clamping system can satisfy any needs, the Express Air clamping reduces press brake setup time and therefore it represents the best choice for users that frequently change punches on their press brakes for sale.

Advantage:

- Fast vertical tool change for all Europe type punches
- Safe and fast tool change
- Substantial improvement in time consumption and related costs
- Secure against tool falling down
- Available in manual, pneumatic and hydraulic models



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3.Wila Hydraulic Clamping System

The Wila’s ‘New Standard’ Tooling System has become market leader for precision, quality and flexibility for the RAYMAX hydraulic press brakes for sale.



Advantage:

- Long service life: >10 years
- Quick clamping for WILA style tooling
- Simple push-button loading
- Fast and safe tool changes: Reduce 80% time
- High-precision bending angle and flange edge





Ⅹ.Bending Follower Supports



The hydraulic press brakes with Sheet supports follower system for bending long and thin sheets. It basically consists of a pair of sheet supports placed on the front of the machine at the height of the bending line (bottom tool). Supports are controlled by the CNC, following and supporting the sheet during the bending process.

Reverse bending occurs when we bend a very large, heavy and thin plate. The overhang generates a torque that makes the sheet bend around the die edge under its own weight, as we can see in the drawing. The sheet lifter helps to avoid this type of damage, supporting the plate during the entire bending cycle.

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Advantage:

- Automatic bending follower supports
- AP1-AP2 CNC-controlled interpolated axes
- Recommended for heavy parts or large thin plate
- Bend as closed as 70°
- Load capacity-180 kg per support
- Brush and support shaft dim 350x900 up to 1200 mm










Ⅺ. Servo Motor




Hybrid Servo Motor

- 30% energy saving
- High efficiency
- Environmental protection and no pollution
- Low fuel consumption
- Low maintenance and use cost
- Good sealing performance

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Hybrid Plus Servo Motor

- Saving: 60% electricity savings compared to conventional drives.
- Efficient: High up to 30%, more efficient (reduced cycle time).
- Accurate: More accurate positioning, up to 5um
- Quiet: Quieter of machine operation due to reduced noise
- Less: Hydraulic oil use is minimal, only 30% compared to conventional ones
- Easy: Easier to build, easier to maintain and lower failure rate of the machine.





Ⅻ. Safety System


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DSP laser safety protection device comprehensively protects the personal safety of bending machine operators and avoids danger due to the rapid movement of the slider on the machine. A block-shaped protection area is formed for the bending tool tip to protect the front, middle and rear areas of the tool tip. The protective zone is fixed under the tool tip and moves synchronously with the tooling, ensuring that any object underneath the tooling at high speed must first enter the protective zone created by the DSP before it touches the tool tip. Once an obstruction (such as a worker's finger) enters the DSP protection zone, the DSP will immediately send a signal and interrupt the downward movement of the slider.

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