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The steel bent by the CNC press brake has a relatively large advantage over the others. Because the residual stress of the steel material of the CNC press brake is relatively small with dense weld seam. The CNC press brake in the production practice produces section steel with very messy interface shapes, which is impossible for traditional processes.

 

•  What are the features of CNC press brake?

•  What are the functions of CNC press brake?

•  What are the applications of CNC press brake?

 

What are the features of CNC press brake?

CNC press brake has direct angle programming with angle compensation function.

The grating ruler does real-time detection to feedback correctly. CNC press brake takes full closed-loop control. Backgauge and slider dead gauge positions accurately within 0.02mm.

The upper mold of CNC press brake adopts a quick clamping device, while the lower mold uses a wedge deformation compensation mechanism.

With multi-step programming function, CNC press brake can realize multiple automatic operation, completing one-time processing of multi-step parts. It improves production efficiency.

The imported hydraulic system with stable performance and compact structure can be selected according to user requirements. The backgauge can be driven by ball screw and timing belt.

The press brake uses a touch screen with a CNC module, which makes it easy to program and very simple to operate.

CNC press brake makes full use of electrical-hydraulic control. The slider operation can realize single, continuous stroke and halfway stop operations, which is easy to realize automatic operation.

 

What are the functions of CNC press brake?

The user interface is the dialogue interface between the CNC press brake and all users, especially non-professional users. Through window and menu operations, functions such as graphic simulation, graphic dynamic tracking, simulation and fast programming can be realized.

CNC press brake performs visualization of scientific computing. Information exchange is no longer limited to text and language, but can directly use visual information such as graphics, images, and animation. Visualization technology can be used for computer-aided design, manufacturing, automatic parameter setting, tool compensation, display and visual simulation of machining process.

The CNC press brake is equipped with a high-performance programmable controller, which can be programmed directly with ladder diagram or high-level language. It can also be debugged and edited online to establish its own program.

 

What are the applications of CNC press brake?

The CNC press brake is to use the equipped mold to bend various shapes of metal sheets into various cold-shaped parts. It is used in sheet bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles.

Precise metal materials are must for the aerospace industry. Aircraft requires as much of a guarantee to safety and performance as possible. CNC press brake can be used to manufacture components of the motion control, sensors and actuation systems. CNC press brakes are also able to manufacture braking and landing parts.

A variety of metal materials are produced with CNC press brake for the automotive industry, ranging from cold roll steel, stainless steel, aluminum to carbon steel. They would become transmission covers, seat parts, brake components, battery housings, and many other parts used in building automotive engines.

Metal bending is to create aesthetically components that are perfectly rounded and finished. The materials bent by the CNC press brake go into making stoves, microwaves, refrigerators, dishwashers, bed frames, entertainment centers, washing machines, and dryers, or even outdoor furniture

 

Learn more about CNC press brake can know the features of CNC press brake and the applications of CNC press brake. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. is equipped with many professors in manufacturing and offering solutions. 

Bending is a processing technique of deformation and forming after shaping. It is performed industrially with press brakes. Press brake can perform rectilinear and parallel folds on pieces of medium-large dimension. The minimum radius relies on the thickness and type of material to be bent.

• Why we use press brake?

• How does press brake work?

• What are the uses of press brake?

Why we use press brake?

Press brake uses the electro-hydraulic servo system to control the two-cylinder synchronization. Press brake cooperates with the international standard grating ruler to form a fully closed-loop control. The synchronization has high accuracy and high level of the bending and repeat accuracy.

Press brake can be equipped with hydraulic upper mold automatic clamp, quick clamp, or slot type lower mold to reduce the labor and improve efficiency.

Press brake is equipped with high-quality linear guides and ball screws to ensure the accuracy.

Press brake has flexible operation mode, not only solving the processing of ultra-long plates by dual-machine linkage, but also processing short parts by single-machine operation. Press brake improves the utilization rate and reduces energy consumption.

The frame of press brake is welded with steel, ensuring high rigidity and machining accuracy.

How does press brake work?

To avoid cracks on the radius, it is essential that the press brake is carried out orthogonally to the rolling direction.

The press brakes are controlled by mechanical systems, a crank connecting rod system, and hydraulic pistons. Press brake can be operated by manually or computer, called CNC press brake.

The metal sheet is deformed by a bending force of press brake which necessarily exceeds the limit that the elasticity of the material imposes.

Also, the press brakes are equipped with a punch mounted on the movable part. This part of press brake is composed of a die and a blank holder piston with the same functions and characteristics of a mold for a press.

Press brakes contain a work table, a clamping plate, and supporters. The worktable consists of a base and a pressure plate, which is attached to the supporters. As working with a press brake, adjust the bending angle and dimensions continually.

What are the uses of press brake?

The forming of press brake greatly depends on operator’s skill. Therefore, varying levels of quality and productivity are to be achieved by two different operators.

Press brake is available for bending sheet metal. The sheet metal will play a important role in the manufacturing industry. These sheet metals processed by press brake are used in home appliances, vehicles, heavy equipment.

Before the right sheet metals are formed, press brakes should first consider the right die design to produce the right sheet metal. Press brakes are used in different forming works with the right die design like V dies, rotary bending dies, acute angle dies, and radius dies.

In a mechanical press brake, power is added to a flywheel with an electric motor. A clutch matches the flywheel to power a crank mechanism moving vertically. Accuracy and speed are two advantages of the mechanical press brake. Hydraulic press brake operates by means of two synchronized hydraulic cylinders on the C-frames moving the upper beam.

Learn more about press brake can know the working principle of press brake and the uses of press brake. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. can do a favor for you if you have any doubts.

The V groover machine is the new type of sheet metal processing machinery, which is the key equipment of V cut bending technology. The V groover machine was used primarily for the convenience store, food service, supermarket and other related commercial applications.

• What is the structure of V groover machine?

• What are the advantages and disadvantages of V groover machine?

• How does V groover machine work?

What is the structure of V groover machine?

The CNC V grooving machine is controlled by 4 axes, that are, the X-axis, Y1-axis, Y2-axis and Z-axis. It has high positioning accuracy. Servo motors command all motors.

The Hydraulic system of V groover machine is divided into two groups. The pneumatic system is the part of the back gauge to provide clamping force and tightly hold plate.

The electrical control system of V groover machine involves PLC, actuator, touch screen, an electric control element, and an electrical cabinet. The electrical board is installed on the inside for easy maintenance and strong protection.

CNC V grooving machine is compact in structure and reliable in performance. It is easy operation without deformation. V groover machine is wholly welded by steel to eliminate internal stress by vibration.

What are the advantages and disadvantages of V groover machine?

Small bending force is required for V groove machine to bend the workpiece with a small bending radius. There are few color changes at the bend round edges.

V groove machine leads to small straightness errors of the bend round edges of the narrow long workpiece.

The V groover machine adopts a general mold to bend the workpiece with a complicated or enclosed cross-section.

According to different processing demands, the speed of the CNC V grooving machine can be selected.

The V groover machine adopts square alloy blades with four cutting edges, ensuring the accuracy and greatly reduce change time.

The price is high, as well as the maintenance costs.

The slicing loss is large, which causes relative high consumption cost.

The edge of the groove is straight so that it is easy to crack behind the wall. The crack prevention treatment is required when the wall is painted.

How does V groover machine work?

The metal plate is fixed. The metal material on the movement track is cut off by using the mechanical movement of the V groover machine blade to form a process V groove.

V groover machine is a tool containing 4 axes. The X-axis system of V groover machine is composed of servo motor, timing belt, timing wheel, ball screw, linear guide rail, back gauge rack, and clamping tools. The motor drives the ball screw to provide the accurate positioning power for the back gauge. The Y1- and Y2-axis system is composed of AC servo motor, timing belt, timing wheel, ball screw, and mobile clamp. The motor moves linearly on the linear guide to achieve accurate positioning. The Z-axis system is to drive the ball screw and cutter seat through timing belt to provide precise positioning power for the tool holder.

Learn more about V groover machine can know the structure of V groover machine and how V groover machine works. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. specializes in providing different types of products.

The CNC press brake is primarily a machine tool that is utilized for bending a metal sheet or plate into a shape determined by its die set. CNC press brake plays a very important role in sheet metal manufacturing.

• How to perform CNC press brake?

• How to adjust the gap between blades of CNC press brake?

• What should be considered when using CNC press brake?

How to perform CNC press brake?

Close the rear protective door of the CNC press brake. Turn on the power. Turn on the switch on the control panel of CNC press brake. Then, start the oil pump. The CNC press brake does not operate at this time. Release all emergency stop switches.

Adjust stroke. Pay attention to adjusting the stroke when using it. You must test it before bending. There must be a gap of plate thickness when its upper die descends to the bottom. Otherwise, it will cause damage to the CNC press brake. The adjustment of the stroke also has electric quick adjustment.

For the selection of bending notches for CNC press brake, a notch with a width of 8 times the thickness of the plate should generally be selected.

Backgauge adjustment generally has electric quick adjustment and manual fine adjustment, which is the same as the shearing machine.

Press down the blue "reset" button on the pedal and the "reset rearguard" button on the electric box, ensuring that the two blue reset indicator lights are off.

Turn the function forwarding switch to the "auto" position and press the motor start button after the controller self-test is over.

The CNC press brake finds the reference point and loads the corresponding bending program. Ensure that the mold installed in the CNC press brake is consistent with the programmed mold. Ensure that the sheet material is consistent with the programming page.

How to adjust the gap between blades of CNC press brake?

Remove the lower blade of CNC press brake and clean it piece by piece. Select one side to install tightly. Check the straightness of the blade in the horizontal and vertical directions.

Remove the upper blade of CNC press brake and clean it piece by piece. Then, the operation is same with that of the lower blade.

The upper blade is fixed. We adjust the blade gap by adjusting the lower blade.

The left and right screws of the lower blade increase the clearance. Loosen the four bolts on the table of the lower blade.

Manually turn the upper blade down to the proper position. The operator adjusts at the blanking area of the CNC press brake.

Use a feeler gauge to roughly adjust to 0.5mm from the unoccupied part of the upper and lower blades.

Manually turn the blade to the middle position and adjust it to 0.5mm.

Manually turn the blade up to the right position where the upper and lower blades are not disengaged. The middle position is roughly adjusted to 0.5mm.

Manually turn the upper blade to the proper position and start fine adjustment.

What should be considered when using CNC press brake?

Before working, you must check the surrounding area of CNC press brake for any objects that may cause harm to it. Make sure the surroundings are clean, especially backgauge. Check the position of the oil mark in the oil tank. Check the hydraulic part for leaks.

The CNC press brake should be operated by professors. The operators must wear the corresponding labor protection supplies.

After turning on the power switch of the CNC press brake, do not start the oil pump immediately. Start the oil pump only after the computer screen displays normal.

After starting the CNC press brake, run it for 2 to 3 minutes without anything. Run the slide block at full stroke for 2 to 3 times. Check the motor and CNC press brake for noise. If the temperature is low, the oil tank and oil circuit must be preheated.

Learn more about CNC press brake can know how to perform CNC press brake and the warnings of CNC press brake. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. can help you learn more about the CNC machines.

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The sheet metal bending height should be at least 2 times the thickness of the sheet metal plus the bending radius, that is, H ≥ 2t R. ... and writing around sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. Leave a Comment Cancel Reply. Your email address will not be published. Required fields are ...

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Specialising in the fabrication of stainless steel, mild steel, aluminium, copper and brass. Ranging from prototypes and bespoke one offs, through ... The Edwards press brake has extended capabilities such as Dutch folding and Hydraulic crowing. The machine also has pneumatic tool clamping allowing for quick tool changes. Gallery. Our Clients.