CNC Press Brake 3-4 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.

Technical Specifications for 3-4 Axis CNC Press Brake

For more detailed parameters, please don’t hesitate to contact us.

Type	Nominal pressure (KN)	Workbench length (mm)	Workbench width (mm)	Poles distance (mm)	Throat depth (mm)	Main motor (kw)	*Dimensions LWH* (mm)
40*1600	400	1600	900	1165	350	5.5	225016502400
63*2500	630	2500	900	1960	380	5.5	315017002500
80*2500	800	2500	900	1960	380	7.5	315017002500
80*3200	800	3200	900	2760	380	7.5	385017002500
100*3200	1000	3200	950	2750	390	7.5	390018002650
125*3200	1250	3200	950	2750	390	11	390018002680
160*3200	1600	3200	1000	2740	400	15	400019002720
200*3200	2000	3200	1000	2730	400	18.5	400019002720
300*3200	3000	3200	1330	2720	500	22	400022003500
100*4000	1000	4000	950	3350	390	7.5	480018002650
125*4000	1250	4000	950	3350	390	11	480018002680
160*4000	1600	4000	1000	3340	400	15	480019002720
200*4000	2000	4000	1000	3330	400	18.5	480019002800
250*4000	2500	4000	1000	3330	450	18.5	480019002850

Overview of 3-4 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 DA53T with digtal colour graphics
Main Motor Siemens Germany Brand
Hydraulic System BOSCH-REXROTH Germany Brand
Grating Rule GIVI Italy Brand
Foot Pedal Pizzato Italy Brand

Pump First USA Brand
X, R, Z1, Z2-Axis with HIWIN linear guide and Ball Screw
Standard BGA-2 for X, R-axis ( X=600mm,R=200mm)
Electrical System Schneider France Brand

Introduction to Configuration of CNC Press Brake 3-4 Axis

Machine Performance

The new rigid design and finite element optimization analysis minimize the influence of bending deformation on the quality of the workpiece.
Adopt the fully closed-loop electro-hydraulic servo synchronous control system imported from Germany Rexroth
The new craft design of European simple style, the humanized design is more practical.
The whole Machine bodyis welded as a whole with strong resistance.
Large-scale tempering furnace or vibration is used to eliminate stress, with good stability and no deformation of the frame.
The frame is processed by a precision floor boring machine or a multi-face machining center at one time to ensure the parallelism and verticality of each installation surface.
Straightness;
There is a “C”-shaped plate mechanism at the throat of the frame to directly detect the distance between the upper and lower molds to ensure the accuracy of the parts.

CNC Control System

DA-53T Features:

2D graphical touch screen programming
10″ high resolution colour TFT
Up to 4 axes (Y1,Y2 + 2 aux. axes)
Crowning control
Tool / material / product library
Servo and frequency inverter control
Advanced Y-axis control algorithms for closed-loop as well as open-loop valves
USB memory stick interfacing
Profile-58TL offline software
Its 10″ high resolution colour TFT, with industrial grade multi touch screen technology, gives access to the proven Delem user-interface. It enables direct navigation between product programming and actual production. Functions are directly located where needed, offering optimized ergonomics throughout the entire application.
Successfully controlling precision & productivity Nowadays, modern sheet metal production is inconceivable without high performance software. Highly effective control algorithms optimize the machine cycle, reduce the time required for set-up and ensures consistently high quality.

BGA-2 BackGauge

Backgauge Features

Use Taiwani high-precision ball screw.
The backgauge speed is fast and the positioning accuracy is high.
The X-axis is driven by a ball screw, guided by a linear guide, driven by a digital AC servo motor, and has a retreat control function.
The three stop fingers move left and right along the linear guide, which is convenient for operation and high precision.
With a unique finger structure, each finger can be moved up and down through the hand

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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.

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

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.

Punch&Die

Upper mold clamping method: mechanical fast clamping. Upper die: 1 set of standard straight cutters, high precision and interchangeable. Lower mold: 1 set of standard 2V lower mold with high precision and interchangeability. Lower mold clamping method: 1 set of T-type quick mold change pad.

Main Motor

Compared with traditional stepping motors, the advantages of using servo motors include: accuracy is increased to ±0.01mm, noise is reduced to 25 decibels, energy consumption is reduced by 60%, hydraulic oil consumption is reduced by 70%, and efficiency is increased by 30%.

Oil Cylinder

The seal in the cylinder is Austrian SKF or NOK, Shanghai Heyan cylinder, with strong sealing and long life. The hydraulic system pipe fittings and joints are imported from abroad, with good quality and strong performance. The hydraulic system has overload and overflow safety protection. The oil level is displayed clearly and intuitively. The machine tool can work continuously under rated load, and the hydraulic system guarantees no leakage and continuous and stable processing with high precision.

Electric System

The electrical components are imported from France Schneider and Germany or joint venture products, which are in line with international standards, safe and reliable, long life, strong anti-interference ability, and the electric control cabinet has a heat sink.

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