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What is the structure of CNC press brake?
What materials can be bent by CNC press brake?
What affects the deflection of CNC press brake?
CNC press brake adopts hydraulic transmission and mechanical block. The cylinder is fixed on CNC press brake, while the piston rod is fixedly moved by hydraulic pressure. The mechanical block is used that the adjustment value is controlled by the environmental protection system.
Workbench of CNC press brake is designed by a button box. The retained intercepting material rack moves forward, whose distance is controlled by the control system. The minimum valve is about 0.01mm, which is limited by switch positioning of the front and rear position.
CNC press brake consists of a mechanical synchronization mechanism, which is composed of torsion shaft, swing arm, and joint motion. CNC press brake has simple structure, stable and reliable performance, and high synchronization accuracy. The mechanical stop is controlled by the motor to control the value of the system.
Material stopper mechanism used in CNC press brake is driven by a motor. The two screw rods move synchronously through chain operation.
The most commonly used carbon tool steels in CNC press brake are T8A and T10A. They are good at processing at low price. However, the harden ability and red hardness are poor. The heat treatment deformation is large with low bearing capacity.
As another common materials used in CNC press brake, low-alloy tool steel is based on carbon tool steel with an appropriate amount of alloying elements. It reduces the tendency of quenching deformation and cracking, improving the harden ability of steel. It has better wear resistance.
High carbon and high chromium tool steel
High carbon and high chromium tool steels are another important material used in CNC press brake. They have good harden ability and high wear resistance. The heat treatment deformation is very small. CNC press brake die steel is second only to high-speed steel in carrying capacity. However, the segregation of carbides is serious, which has to upset and forge again to reduce the unevenness of carbides.
Two working cylinders of CNC press brake are pressurized at both ends of the slider. The resultant force of the deformation of the workpiece is in the middle, so the worktable of the sliding block of CNC press brake will be flexed and deformed together with the upper and lower molds.
The sheet material will receive uneven force at various points along the length of the die edge, which directly affects the accuracy and straightness of the bent workpiece. To make up for this shortcoming of CNC press brake, a deflection compensation device can be installed.
Preset a deformation amount opposite to the force deformation direction between the press brake slider and the upper die. The amount of deformation is the same as the relative amount of deformation during actual work. The relative deformation of the slider and the worktable is compensated so that the pressure distribution between the dies is more uniform. CNC press brake improves the quality of sheet metal bending.
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All operation of press brake must be carried out by qualified and experienced operators with signs posted. Do not put hands or other parts of the body between the press brake. Use the right press brake for working at heights without risk.
What should be prepared before using press brake?
How to operate press brake?
What are the warnings when using press brake?
When operating the press brake, in order to prevent the occurrence of problems, the preparations must be carried out.
Clean the oil stains on the appearance of press brake. The engraved line on the stop valve should be in the open position.
Turn on the press brake for a few cycles, ensuring that there are no abnormal conditions. Try cutting different thickness sheets. During trial cutting, the gap between the different blades must be adjusted because the thickness of the plate is different. Otherwise, the durability of the blade will be affected.
During the cutting process, turn on the pressure gauge and check the oil pressure value. If any abnormality, the relief valve can be dispatched to meet the specified requirements.
When operating the press brake, if abnormal noise or overheating of the oil tank is found, the press brake should be stopped and checked. The high temperature of the fuel tank does not exceed 60 degrees.
Turn on the press brake power and the key switch on the control panel. Then, press the oil pump to start.
The press brake must pay attention to the adjustment stroke. Be sure to test before operating. When the upper die of the press brake descends to the bottom, there must be a gap of plate thickness. Otherwise, it will cause damage to the mold and the press brake. The stroke adjustment also has electric quick adjustment and manual fine adjustment.
For the selection of bending notches, 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.
Step on the foot switch to start bending. You can release it at any time.
Before operating the press brake, check whether the motor, switch, circuit and grounding are normal and firm. Check that the control parts and buttons of the press brake are stuck in the correct position.
Check the firmness of the upper and lower molds that whether each positioning device meets the processing demands.
If the upper slide plate and each positioning axis are not at the origin, run the return-to-origin program.
After the press brake is started, run idling for 1 to 2 minutes, and move on the skateboard 2 to 3 times at full stroke. Troubleshoot the malfunction until press brake is normal.
The operator should be in uniform command, cooperating closely with the feeding and suppressing operator.
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The high-quality laser cutting machine has a good performance in the field of thin-plate processing. The role of the laser cutting machine cannot be underestimated, which is deeply favored and recognized by people. It provides a wide range of opportunities. The versatility, speed, and precision enable to produce everything from a simple machine concept to packaging.
Are laser cutting machines dangerous?
Is a laser cutting machine strong enough to cut a hand?
What are the factors affecting laser cutting machine price?
Laser cutting machine allows for precise measurements and for users to get the exact dimensions. But the process can do harm to our health because of the harmful fumes emitted. It is more dangerous if workspaces do not have the air filtration systems.
Laser cutting machines are classified by the American National Standards Institute, as a Class 1 laser. They are not overly hazardous that they do not emit high levels of energy. Laser beams are hazardous during the cutting or engraving process because air contaminants are released. Harmful emissions are usually associated with Class 3B or 4 lasers. Chemical vapors, aerosols or smoke can be emitted when a laser beam is interacting with various materials.
During the cutting process, high temperature causes the surrounding air to expand. Once materials are cut by the laser cutting machine, they will emit gases that rapidly expand and release dangerous particles.
While laser cutting machine is relatively safer compared to conventional methods, the operators still practice with caution as the laser is powerful enough to burn skin and cut a hand.
However, the possibility that an accident would occur by a laser cutting machine is very low because it has a safety lid that can be closed or opened at any given time. The cutting process is done in a safe and controlled environment.
The disadvantage of laser cutting machine is that it cannot work on thicker metals. Its cutting capability depends on the material thickness and laser power. But even with this limitation, it doesn’t mean that the cutting power should be underestimated because it is still strong enough to cut a hand in a matter of seconds.
We all know that brand is an added value of laser cutting machine. The brand effect is reflected in the machine quality, kits, parts, performance, and after-sales service. The laser cutting machine of big brands will have higher prices than those of small factories.
The price of large-sized laser cutting machines is higher than that of small-sized ones. The price of the customized laser cutting machine is higher than that of the regular-sized ones.
The laser is the core optical component of the laser cutting machine. Different laser generators have different laser beam qualities. Imported lasers are superior to domestic lasers in terms of stability and beam quality. For the same brand laser generator, the greater the laser power, the higher the price.
Other key components mainly include guide rails, rack and pinion, motor, and water chiller. They also affect the price.
Learn more something about laser cutting machine can know the harmful side effects of laser cutting machine and the factors affecting the price of fiber laser cutting machine. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. specializes in providing different types of products.
A laser cutting machine offers a wide range of cutting possibilities in a wide range of materials. There are practically no limits on cutting designs, being able to make complex cuts with great precision quickly. A laser cutting machine can automatically operate working procedure.
What are the functions of laser cutting machine?
What are the parts of laser cutting machine?
Is laser cutting machine popular?
The built-in automatic recognition system of a laser cutting machine can automatically recognize various colored patterns and texts on metal thin plates. Laser cutting machine automatically find edges for cutting according to actual needs to achieve perfect quality
The high-quality and reliable laser cutting machine can arrange the graphics of different sizes according to different rules and the corresponding order. Laser cutting machine maximizes the utilization rate of materials and makes full use of the automatic supply and cutting function. It can save energy consumption and improve efficiency. The laser cutting machine can re-typeset and use the leftover material of the graphics according to the super-plate system to save material costs.
The laser cutting machine has built-in CCD recognition system software to automatically recognize the contour of metal objects. It generates the corresponding files to achieve the required graphics and the automatic typesetting, making the whole typesetting and cutting process convenient and quick.
The laser cutting machine can cut into shape at one time and then focus. The intelligent positioning can realize to cut various materials, ensuring the cutting speed and effect.
Operation console is used to control the working process of the laser cutting machine that all operation commands are issued here.
The laser cutting machine head is used to move along the Z-axis according to the program. It mainly includes parts such as cavity, focusing lens holder, focusing lens, capacitive sensor and auxiliary gas nozzle.
Regulated power supply is connected between the laser, CNC machine and the power supply system. It is mainly to prevent interference from the external power grid and stabilize the voltage.
Laser numerical control system controls the laser cutting machine to realize the movement of X, Y, Z axis, together with the output power.
Laser generator is a device that generates a laser light source. The outer optical path is a refracting mirror to guide the laser light in the required direction. All mirrors must be protected by a protective cover. A clean positive-pressure protective gas should be introduced to protect the lens from contamination.
Air compressor and storage tank provide and store compressed air. Slag discharge machine removes the leftover and waste material. Gas cylinder is to supplement the industrial gas for laser oscillation and supply auxiliary gas for the cutting head.
The machine part of the laser cutting machine is placed the workpiece to be cut and can move correctly and accurately.
Water chiller is used to cool the laser generator to keep working normally. It also cools the external light path reflector and focusing mirror to ensure stable beam transmission quality.
Ventilation dust collector extracts the smoke and dust to carry out filtering treatment. Air cooling dryer and filter are used to supply clean and dry air.
Of course! Laser cutting machine has been widely used everywhere. Due to the small laser spot, high-energy-density and fast cutting speed, it can perform better cutting quality, especially for small and exquisite products.
Laser cutting machine has higher electrical efficiency. Conventional machine requires more energy to produce the laser beam. In fact, a 2kW laser cutting machine uses a third of the power as a 4kW traditional machine. The fiber optic configuration will save power, but increases the lifespan due to the lower energy requirements.
Laser cutting machine allows for highly accurate cuts that leave a clean cut and a smooth finish. It does not need to contact the workpiece. And the heat-affected area is small. This minimizes the damage to the material surface.
Learn more something about laser cutting machine can know the functions of laser cutting machine and the popularity of laser cutting machine. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. is a high-quality sheet metal processing machinery manufacturer and supplier.