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What is the difference between shearing machine and laser cutting machine?
What is the difference between gate-type and swing-type plate shearing machine?
Which shearing machine can be viewed as high quality?
Laser cutting machine is a piece of blanking equipment, which can cut boards of any shape, including straight, line and curve, holes and complex geometric figures. The laser cutting machine uses a focused high-power density laser beam to irradiate the workpiece to quickly melt, vaporize, ablate or reach the ignition point of the irradiated material. At the same time, the molten material is blown away by the coaxial high-speed airflow of the beam to cut workpiece. The incision of laser cutting machine is high but small without burrs. The cutting speed is based on the thickness of the steel and the power of the laser.
Shearing machine is a straight-line machine, which is mainly used to cut the straight edge of various sizes of metal plates. Although shearing machines are also blanking equipment, they perform simple shape cutting. Shearing machine is widely used in various industrial sectors such as steel rolling, automobiles, ships, tractors, bridges, airplanes, electrical appliances, instruments, boilers, and pressure vessels. The steel plate cut by the shearing machine has low degree, large cut and high roughness with burrs at a slow cutting speed. The cutting quality decreases more according to the thickness of the material.
The guillotine shearing machine is used in industries such as automobiles, tractors, rolling stock, ships, motors, and instruments. It is also suitable for stretching work of various high-strength alloy plates. The guillotine shearing machine adopts an integral welded-frame structure and has vibration treatment so that is has good rigidity, high precision and good precision retention. A three-point supporting shaft rolling guide rail is adopted that the upper tool holder rolls between the rolling guide rails without gap. The lifespan is determined by turning the hand wheel. The movable blade base and the four-edged long blade are convenient to adjust the uniformity of the blade gap, improving the cutting quality and extending the lifespan. The guillotine shearing machine uses tandem cylinder synchronization system with even force. By adjusting the flow rate of the tandem cylinders, the shearing angle can be easily to meet the needs of different shear plate thicknesses.
The swing-type plate shearing machine is used in the stretching, bending, extrusion, forming and other processes of metal sheets in the power industry and aviation industries. Compared with guillotine shearing machine, swing-type plate shearing machine mostly adopts oblique-blade, which is widely used due to simple structure, low failure rate, and high efficiency. As the tool holder rotates, the shearing angle and gap will change.
Relying on the guide rail, the shearing machine can realize intelligent movement. The cutting length and thickness are not limited by the size of the shearing machine. Even the guide rail can be lengthened as needed.
The shearing machine replaces manual feeding and adopts heavy-duty robots, which can load 5 tons at a time. It saves manpower and effectively avoids safety accidents.
The shearing machine has zero loss during the cutting process. The feeding platform can automatically flip the steel plate. In addition to eliminating manual operations, it also avoids the material waste caused by the long steel plate. During the operation, no pollutants are generated.
Learn more about shearing machine can know the difference between shearing machine and the laser cutting machine. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. can help you know more about the CNC machines.
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.
Shearing machines are to cut all kinds of metal plates. In the manufacturing system of plate flexibility, the shearing machine is often indispensable. Shearing machine belongs to the type of straight-line cutting, which is mainly used to cut the straight edge of various sizes of metal plates.
What are the failures of shearing machine?
How to troubleshoot the errors of shearing machine?
How to maintain shearing machine?
The oil pump of shearing machine is too noisy. The oil suction resistance is large. Check the oil suction pipe and clear the blockage. If the oil volume of shearing machine is too low, replace the hydraulic oil with a higher oil volume. If the oil viscosity of shearing machine is too high, replace the working oil. If the clearance between the end face of the pump shaft and the motor shaft is small, adjust the clearance at the well end.
Oil temperature used in shearing machine is too high. There is excessive leakage inside the oil pump. The oil return pipe of the oil pump is blocked or not cleared. The oil viscosity is too high to repair the pipe. If the oil pump is damaged, replace it.
The air release valve of shearing machine leaks. Disassemble and check the tight seal of the conical surface of the relief valve.
The hole of shearing machine is congested. Clean, grind, debug, inspect, repair or replace the overflow valve.
Shearing machine operator should master the operation of the shear hydraulic system. Whether the hydraulic system is working normally. Whether the hydraulic pump is abnormal. Check the cleanliness of the hydraulic oil used in shearing machine. Check the cleaning and replacement of the filter element. Whether the hydraulic components of shearing machine have been adjusted before failing. Whether the sealing component of shearing machine has been replaced. They also master the abnormal phenomena occurred in the hydraulic system of the shearing machine before and after the failure. They should be equipped with some knowledge about how to eliminate the failures causing shearing machine fail.
Check the actual working conditions of the shearing machine, together with system pressure, speed, oil, leakage, vibration and other parts.
Pay attention to the sound of shearing machine, such as attack noise, pump noise, and other abnormal noises. Judge whether the shearing machine is working normally.
Check the temperature of shearing machine to determine whether the working condition of the moving parts is normal.
Operate shearing machine strictly in accordance with the operating procedures. It is strictly forbidden to operate the shearing machine by non-designated personnel.
Add lubricating oil according to the requirements of the lubrication chart every time before starting the shearing machine. The oil should be clean and free of precipitation.
The shearing machine must be kept clean frequently. The unpainted part should be painted by anti-rust grease.
The lubricating oil in the motor bearing should be replaced and refilled regularly. The electrical part should be regularly checked for normal, safe and reliable operation.
Regularly check V-belts, handles, knobs, and buttons to avoid severely wearing. The spare parts should be reported for replenishment.
Regularly check and repair switches, insurances, and handles to ensure reliability.
Lubricate and scrub the shearing machine 10 minutes before leaving get off work every day.
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An efficient press brake is fundamental to avoiding damages and detecting failures. Keeping press brake clean and tidy is simple but important. It should be done the daily, weekly, monthly, and yearly.
Why does press brake leak oil?
What should you do for oil of press brake?
What is the role of oil of press brake?
The sealing ring is not suitable for the conditions of using press brake. The O-shaped rubber seals often used in press brake must be selected according to the operating conditions and working conditions. Under oil lubrication conditions, the hardness of the oil-resistant rubber O-ring seal can be low hardness when the oil pressure is less than 2.9MPa. When the oil pressure is 2.9 to 4.9MPa, medium hardness should be selected. When the oil pressure is 4.9 to 7.8MPa, select high hardness.
There is no design seal or unreasonable seal structure. The screw hole on the body of the press brake is designed as a through hole with no sealing measure. The press brake cover is not designed with a gasket. The clearance between the shaft and the body hole is too large. The interference between the sealing ring and the shaft does not meet the requirements. The design of sealing groove is unreasonable.
Oil leakage can be caused by casting defects and parts damage. The castings of the press brake have defects such as blisters, pores, cracks, and loose tissues. When the oil pipes and pipe joints of the press brake are made of plastic or oil-resistant rubber, the materials will age to become hard and brittle after long-term use. The moving parts will lose the sealing performance due to friction and wear. If the gap between the shaft and the shaft hole increases, it will also cause oil leakage.
Before maintaining or cleaning, the upper mold should be aligned with the lower mold. Shut down until the work is completed. If you need to start press brake, select the manual mode to ensure safety.
Check the oil level of the oil tank every week, even after the hydraulic system is repaired. If the oil level is lower, add hydraulic oil. The oil should be changed after 2000 hours of operating new press brake. Afterwards, the oil should be changed after 4000 to 6000 hours of operating press brake. The oil tank should be cleaned every time before changing the oil. The oil temperature of the press brake should be between 35℃ and 60℃ that is not exceed 70℃. Otherwise, it will cause deterioration and damage of the oil quality and accessories.
The filter of press brake should be replaced or thoroughly cleaned every time if the oil is changed. If the press brake has filter abnormalities such as unclean oil, the filter should be replaced. The air filter on the fuel tank should be inspected and cleaned every 3 months and replace every year.
After using the new press brake for one month, check whether the bending of each oil pipe is deformed. After two months of use, all fittings should be tightened.
The oil of the press brake plays the role of transmission, wear resistance, system lubrication, anti-corrosion, rust prevention, and cooling in the hydraulic system. It belongs to the industrial hydraulic system. The hydraulic oil itself is constantly changing in use. However, it is difficult to completely solve the problem of hydraulic oil pollution.
Serious oil pollution will directly affect the performance of the press brake. It will cause frequent failures of the brake system and shorten the lifespan of press brake.
The main reason is the particles in the dust. As far as hydraulic components are concerned, these solid particles entering the components will increase the wear of the sliding parts. In addition, it may block the orifice, the orifice in the hydraulic component, or the spool stuck, causing the hydraulic system to malfunction.
The mixing of water and air reduces the lubrication of hydraulic oil, accelerating the oxidation of hydraulic oil and producing cavitation corrosion.
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