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What are the failures of CNC press brake?
How to solve the large bending angle error of the CNC press brake?
How to maintain CNC press brake?
Sometimes, there is the large or small bending angles during CNC press brake operates. It may be that the plate is uneven or the plate thickness has changed. It is also possible that the shaft in the CNC press brake is caused by deviation.
The oil pump of CNC press brake is too noisy or heats fast. Even, the oil pump is damaged. The oil pump suction line leaks or the oil tank liquid level is too low, causing to suck. The oil temperature is too low and the oil viscosity is too high, resulting in high oil absorption resistance. The oil filter at the suction port is clogged. Coupling installation is too tight to make the motor shaft and the oil pump shaft nonconcentric.
The CNC press brake system is pressure-free or cannot be built up. The oil pump rotates incorrectly. Whether the pressure gauge is damaged. Whether the pressure control valve has an electrical signal or the valve is blocked. The pressure cartridge valve is blocked or stuck that cannot seal the oil.
With the continuous development of CNC press brake manufacturing technology, CNC press brake has the advantages of high positioning accuracy, convenience, zero-activity disturbance compensation, and good consistency of processed products.
Check whether the compensation deflection of the compensation cylinder is large so that the zero position cannot be completely restored.
Check whether the quick clamp and grating ruler is loose.
Check whether there is any change in the bottom dead center of each bending.
Check whether the bow-shaped plate is installed in a standard way and whether the screw hole is deadlocked.
The large bending angle error of CNC press brake can also be caused by changes in the sheet, such as thickness, material, and stress。
There is inaccurate positioning of CNC press brake that whether the zero offset value of the proportional valve is appropriate or not. It may be impossible to return because the positioning cannot reach the bottom dead center.
After each shift, clean the work area of CNC press brake by removing all debris with a dry cloth. Clean the tools, bench, supports, slide guides and other accessories. Clean the backstops and guides of the backgauge. Do not use compressed air for cleaning.
The lubrication parts are sufficiently greased.
The motor and oil pump of CNC press brake operate normally without noise and overheating.
The safety protection device is safe and reliable.
Check whether the pressure of the hydraulic system is within the rated range.
The indicator is sensitive and reliable.
When repairing after the end of production, the slider needs to be lowered to the lowest point.
Check whether the fixed part of the mold is loose before work.
When working, the CNC press brake must not exceed the maximum pressure that is 160KN.
Learn more about CNC press brake can know the failures of CNC press brake and how to maintain CNC press brake. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. can help you keep CNC press brake in better condition.
V groover machine is a V-type slotting equipment designed for steel plate. V groover machine often plays a role as a sheet metal bending machine and cutting auxiliary equipment. It is widely used in the sheet metal V-groove, U-groove, and other irregular groove processing.
What are the types of V groover machines?
How to choose V groover machines?
How about the market situation of V groover machine?
The working table of vertical CNC V grooving machine is small and narrow. The planer is fixed in a straight-line position to the working table. Variable factors can be so well-controlled that the position accuracy is in the range of 0.02mm. When the vertical V groover machine is working, the holder part moves back and forth. Vertical V groover machines have many separate pressing plates and independent clamps. It can do both horizontal and vertical grooves. The surface is made of high-quality mold steel, which goes through overall heat treatment after a grinder refined.
The working table of horizontal CNC V grooving machine is larger and easier to work. The knife is facing a platform with 1.5 meters width and more than 4 meters length. The accuracy is lower. When the horizontal V groover machine is working, the gantry and the holder move back and forth together. Its energy consumption is more than 10 times than that of the vertical V groover machine. A horizontal V groover machine is available for large sheet metal. It cannot be able to horizontal gouging. The working table is welded by a common iron plate, causing spots on the processed products for long-term use.
When choosing a V groover machine, considering the materials such as steel bars, concrete walls, and stones. Once they are encountered, you must choose a diamond blade. With high hardness, it is widely used for cutting marble, steel bars, stones and other super-hard materials.
The power of V groover machine is an important indicator. In fact, it does not mean the higher the power the better the V groover machine. In the ordinary grid lines, it cannot withstand the 4000W power at all. Three-phase power is required to achieve smooth operation.
The size of the V groover machine motor determines its power. The larger the size of the motor, the greater the power. The power can be obtained by measuring and comparing the diameter of the stator and the length of the rotor.
Groove depth should be measured by two dimensions: the distance from the center of the tool shaft to the tool cover and the height of the tool beyond the bottom of the V groover machine. The larger the distance, the larger the diameter of the blade that can be installed. The higher the distance, the deeper the groove. It is best to choose V groover machine with deeper and wider grooves.
Also, you should choose a V groove machine that can adjust the depth of slotting to meet different demands.
Chins will continue to support the development of CNC V grooving machine. During the Fourteenth Five-Year Plan period, we will continue to invest the CNC industry greatly to elevate the cultivation of core competitiveness, innovate independently, integrate quantitatively and build brand.
Numerical control processing is the trend of high-quality, high-precision, high-yield, and high-efficiency development in the V groover machine industry. The good development trend shows that the demand is still at a high level. Companies should seize the opportunity and strive to realize the transformation of V groover machine from low-end to high-end, from primary processing to high-precision manufacturing.
Learn more something about V groover machine can know the types of V groover machine and how to choose V groover machine. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. is equipped with professors. We can offer you a better solution.
The V groover machine is also known as score-folding, V-cutting, and back-scoring. V groover machining facilitates the bending or folding of various materials and forms a V-shaped cut along the surface. The cut along the fold line acts as a hinge, allowing to achieve 90-degree bends with relatively small bending radii.
What are the errors of V groover machine?
How to maintain V groover machine?
What should be considered when using V groover machine?
The V groover machine has large vibration. That’s because the two diamond cut-off wheels are deformed. The splint and distance ring are worn. The output shaft bearing is damaged. You can replace the same diamond cutting wheel, the splint, distance ring, and the bearing.
The V groover machine motor is overheated. The diamond cut-off wheels are too blunt or not parallel. The V groover machine is overload. Reduce the cutting speed and depth. Replace the special diamond cut-off wheels, the bearing or reassemble.
The motor is weak. It can be caused by the rotor or stator. The voltage is low. Another reason is that the brush is too short or the spring loses its elasticity. Check and replace the rotor, the stator, the brush and spring. Check whether the wire cross-sectional area, length, and connection are reliable.
If there is any noise of V groover machine, it may have damaged gear or bearing. The stator and rotor is failure. There is the chance that the brushes have poor contact. Check and replace the gear, the bearing, the rotor, the stator and the brush. Tighten the stator assembly fixing bolt.
Completely clean the V groover machine once every six months. Use a brush to remove the external dust and a professional detergent to clean the dusty places. It is necessary to apply engine oil to the guide rails to prevent mechanical damage. Put in a ventilated place to dry to avoid rust.
When V groover machine stops running, it needs to check whether there are loose screws of internal related parts.
Before starting the V groover machine, make sure that the bearings and other parts are reasonably smooth. The water temperature ranges from 40°C to 50°C. If necessary, anti-freezing solution is poured in winter.
Pay special attention to the maintenance of the V groover machine engine during normal use. The engine should not be overloaded.
Before starting the automatic V groover machine, check carefully whether the tool, nut and each screw are firm. If any, tighten in time!
Pay attention to the cutting direction when installing the tool. It is not allowed to reverse. The main tool turns clockwise.
Confirm whether the pneumatic device is turned on. Press the workpiece on the movable push table to close to the positioning plate. Keep your hands away from the knife edge.
When the V groover machine breaks down, the power supply should be cut off in time. A professional person should be sent to repair and adjust. It is forbidden to run the V groover machine until it is work.
Before processing the material, check whether there are iron nails, sand-rock joints, and others on the V groover machine. The stainless steel groover prevents damage to the tool joints and hurts people.
Cut off the power supply when cleaning, wiping lubricating oil, removing saw blades and cleaning chips.
The V groover machine must be operated, adjusted and maintained by professional personnel. Workers should wear earplugs, goggles and other protection supplies during operation.
The maintenance is carried out in accordance with the system.
Learn more something about V groover machine can know the errors of V groover machine and the warnings of V groover machine. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. is composed of well-trained and qualified mechanical operators and assembly skilled personnel. Our products adopt national standard.
Shearing machine is a kind of equipment that can cut the metal sheet, automatically count, and send to the next process by the feeding car according to the processing requirements. It is widely used in machining. Shearing machines can cut steel plates of various thicknesses.
What are the structural characteristics of shearing machine?
How to use shearing machine?
What should be paid attention to when using shearing machine?
The frame of shearing machine adopts steel structure that has left and right vertical plates. The workbench and the blanking plate are welded into a whole structure. After welding, the internal stress is eliminated by tempering so that the shearing machine has high rigidity and stability.
The tool holder of shearing machine adopts a steel structure. Under the thrust of the cylinders on both sides, it can swing around the fixed pin to complete the shearing action without the need for a guide rail system. At the end, under the action of the return cylinder, the tool holder returns quickly and automatically. Shearing machine has a mechanism for quickly adjusting the blade gap.
The backgauge of shearing machine is installed on the tool holder and swings with it. The adjustment of the backgauge distance is driven by a motor, which is transmitted respectively to the left and right screw rods through a transmission shaft and a pair of sprocket pairs, driving the backgauge to move back and forth along the guide rod. There are two buttons to perform the forward and backward coarse adjustment. There is an adjusting hand wheel on the button box to fine-tune the stroke and positioning. A mechanical display meter displays the distance of the backgauge.
The hydraulic system of shearing machine is installed on the end face of the oil tank, which is fixed on the frame beam. It is easy to clean and disassemble. The system pressure is supplied by the oil pump.
When the material to be cut is fed, it is automatically transported in the right place of shearing machine by the motor.
The cut size of the sheet is fixed. Shearing machine controls the position to ensure the accurate cut size.
The shearing machine presses and cuts the sheet material after the material is positioned. The main motor drives the presser and the cutting tool.
The stopper allows the knife to move to a certain long position. Rotary unloading of sheet bracket.
The operation of the feeding cart includes automatic return after unloading.
The size setting, automatic counting and the number of sheets should be pre-set. The corresponding position signal detection switch must be set in the system. The installation positions of the various detection components of the shearing machine, the presser compression travel switch, the stopper fixed-length switch, the trolley status information switch, the trolley in-position switch, and the unloading in-position switch should be checked.
Shearing machine needs professors to be responsible and operate. The operator should be familiar with the structure and performance.
Shearing machine is used to cut metal plates with a thickness of 1 to 12mm. The cut sheet is based on mild steel with a tensile strength of 450N/mm² and an elongation of 25%. If you need to cut the stainless-steel plate, the cutting thickness is 1 to 6mm.
Before starting the shearing machine, check whether all parts are normal. All sundries and tools should not be stacked on the workbench.
The operator is not allowed to remove the protective fence. He must not put his hands between the upper and lower blades. The shearing machine needs to stop when picking up and cutting the workpiece to keep the movable parts at the rear of the shearing machine from injuring others.
Learn more about shearing machine can know how to use shearing machine and the warnings of shearing machine. LZK CNC Machine Tool(Anhui) Manufacturing Co., Ltd. has a long history in manufacturing shearing machine. If you have any doubts, contact us!