When the pump is running, it often encounters problems. Here are six common causes of failures:
First, there are four matching power motor overheating <br> <br> reasons. The first is power supply reasons: the voltage is high or low. Under certain load, if the voltage variation range should be +10% to -5% of the rated value, it will cause the motor to overheat; the three-phase voltage of the power supply is asymmetric, the power supply Three-phase electric voltage phase imbalance degree exceeds 5%, will lead the winding to overheat; lack of phase operation, experience shows that the agricultural motor is burned down more than 85% is due to the lack of phase operation caused by the lack of phase protection motor installation device. The second is the cause of the pump. The power is not matched. The small horse-drawn cart and the electric motor are overloaded for a long time, which makes the motor temperature too high. The motor that starts too frequently and has a short-term or intermittent work schedule has continuous operation. Limit the number of start-ups, use thermal protection correctly, and use the rated value on the motor. The third is the cause of the motor itself; exposing mistakes, mistakenly connecting the △ shape into a Y-shape, causing the temperature of the motor to rise rapidly; the stator windings have phase-to-phase short circuits, turn-to-turn short circuits, or partial grounding; when the light motor partially overheats, severe insulation burns. Bad; squirrel cage rotor broken or defective, the motor runs for 1 to 2 hours, the core temperature rises rapidly; through the system failure, should check whether the fan is damaged, the rotation direction is correct, the ventilation hole is blocked; bearing wear, rotor eccentricity The broom sweeps the iron core of the rotor and emits metal impact sounds. The temperature of the iron core rises rapidly. In serious cases, the motor smokes and even the coil burns. The fourth is the cause of the working environment; motor windings are damp or dust, oil, etc. adhere to the windings, resulting in reduced insulation. The insulation resistance of the motor should be measured and cleaned and dried; the ambient temperature is too high. When the ambient temperature exceeds 35°C, the high intake air temperature will make the motor's temperature too high, and it should try to improve its working environment, such as the shade of the shed. Note: For failure due to electrical reasons, an electrician who has obtained a professional qualification certificate is required to repair it. A person with little knowledge should not blindly repair it to prevent personal injury accidents.
Second, the lack of traffic <br> <br> This is because: dynamic speed is not supporting or belt slippage, a low speed; axial flow pump blade installation angle is too small; lack of lift, tubing or pipe is too long right-angle bend; High suction range; partial blockage of the bottom valve, pipe and impeller, or impeller defect; water leakage from the outlet pipe is serious. Remedy method; restore a fixed speed, remove the belt grease, adjust the blade angle, reduce the pump installation position, shorten the pipeline or change the curvature of the pipeline; sealed pump leakage, tightly seasoning; remove the blockage, replace the impeller; Replace the leak relief ring and block the leak.
Third, the heat pump <br> <br> reasons: bearing damage; rolling bay cover or gap is too small; bent shaft or two shaft misalignment; tight tape; starved or oleaginous bad; impeller balance holes Clogged, the impeller loses balance and increases thrust to one side. Remedy; replace the bearing; remove the back cover, install spacers between the bracket and the bearing seat; investigate the shaft of the pump or adjust the concentricity of the two shafts; properly loosen the tightness of the tape; add clean butter, butter in the bearing About 60% of the gap; clearly balance the blockage in the hole.
Fourth, the case can not be started <br> <br> first check the power supply: header is solid; whether the switch contacts close; whether the fuse is blown; three-phase power are equal. If there is a broken circuit, bad contact, blown fuse, or lack of phase, the cause should be identified and repaired in a timely manner. Second, check whether the pump is a self-generated mechanical failure. The common causes are: too tight packing, or jamming between the impeller and the pump body caused by debris; the pump shaft, bearing, and the leakage reduction ring are rusted; the pump shaft is seriously bent. Remedy method; Relax the packing, clear the lead sink; Disassemble the pump clear debris, remove rust; Remove the shaft calibration or replace the new pump shaft.
Fifth, no water absorption <br> <br> pump body because the air intake pipe or product gas, or the bottom valve closed lax dissatisfaction irrigation water, vacuum packing serious leak, or a flap gate valve closed tightly. Remedy; press water first, fill the pump with water, and turn it on. Colleagues checked the tightness of the check valve and whether there was a leak in the pipes or fittings. If leaks were found, apply lubricant or paint to the joints after disassembly, and tighten the screws. Check the oil seal ring of the pump shaft. If it is worn out, replace it with a new one. The pipe leaks or leaks. The nuts may not be tightly tightened during installation. If the leakage is not serious, apply cement at the place where the air leaks or water leaks, or apply a bitumen-like grout. Temporary repairs may be coated with wet mud or soft soap. If there is water leakage at the joint, use a wrench to tighten the nut. If the leakage is serious, you must disassemble and replace the cracked pipe. Reduce the lift and press the pump nozzle into the water for 0.5m.
VI. Severe vibrations There are several main reasons for this: Electric rotor imbalance; Coupling bad coupling; Bearing wear and tear; Parts of rotating parts are loose and broken; Can be adjusted, repaired, strengthened, and straightened.
First, there are four matching power motor overheating <br> <br> reasons. The first is power supply reasons: the voltage is high or low. Under certain load, if the voltage variation range should be +10% to -5% of the rated value, it will cause the motor to overheat; the three-phase voltage of the power supply is asymmetric, the power supply Three-phase electric voltage phase imbalance degree exceeds 5%, will lead the winding to overheat; lack of phase operation, experience shows that the agricultural motor is burned down more than 85% is due to the lack of phase operation caused by the lack of phase protection motor installation device. The second is the cause of the pump. The power is not matched. The small horse-drawn cart and the electric motor are overloaded for a long time, which makes the motor temperature too high. The motor that starts too frequently and has a short-term or intermittent work schedule has continuous operation. Limit the number of start-ups, use thermal protection correctly, and use the rated value on the motor. The third is the cause of the motor itself; exposing mistakes, mistakenly connecting the △ shape into a Y-shape, causing the temperature of the motor to rise rapidly; the stator windings have phase-to-phase short circuits, turn-to-turn short circuits, or partial grounding; when the light motor partially overheats, severe insulation burns. Bad; squirrel cage rotor broken or defective, the motor runs for 1 to 2 hours, the core temperature rises rapidly; through the system failure, should check whether the fan is damaged, the rotation direction is correct, the ventilation hole is blocked; bearing wear, rotor eccentricity The broom sweeps the iron core of the rotor and emits metal impact sounds. The temperature of the iron core rises rapidly. In serious cases, the motor smokes and even the coil burns. The fourth is the cause of the working environment; motor windings are damp or dust, oil, etc. adhere to the windings, resulting in reduced insulation. The insulation resistance of the motor should be measured and cleaned and dried; the ambient temperature is too high. When the ambient temperature exceeds 35°C, the high intake air temperature will make the motor's temperature too high, and it should try to improve its working environment, such as the shade of the shed. Note: For failure due to electrical reasons, an electrician who has obtained a professional qualification certificate is required to repair it. A person with little knowledge should not blindly repair it to prevent personal injury accidents.
Second, the lack of traffic <br> <br> This is because: dynamic speed is not supporting or belt slippage, a low speed; axial flow pump blade installation angle is too small; lack of lift, tubing or pipe is too long right-angle bend; High suction range; partial blockage of the bottom valve, pipe and impeller, or impeller defect; water leakage from the outlet pipe is serious. Remedy method; restore a fixed speed, remove the belt grease, adjust the blade angle, reduce the pump installation position, shorten the pipeline or change the curvature of the pipeline; sealed pump leakage, tightly seasoning; remove the blockage, replace the impeller; Replace the leak relief ring and block the leak.
Third, the heat pump <br> <br> reasons: bearing damage; rolling bay cover or gap is too small; bent shaft or two shaft misalignment; tight tape; starved or oleaginous bad; impeller balance holes Clogged, the impeller loses balance and increases thrust to one side. Remedy; replace the bearing; remove the back cover, install spacers between the bracket and the bearing seat; investigate the shaft of the pump or adjust the concentricity of the two shafts; properly loosen the tightness of the tape; add clean butter, butter in the bearing About 60% of the gap; clearly balance the blockage in the hole.
Fourth, the case can not be started <br> <br> first check the power supply: header is solid; whether the switch contacts close; whether the fuse is blown; three-phase power are equal. If there is a broken circuit, bad contact, blown fuse, or lack of phase, the cause should be identified and repaired in a timely manner. Second, check whether the pump is a self-generated mechanical failure. The common causes are: too tight packing, or jamming between the impeller and the pump body caused by debris; the pump shaft, bearing, and the leakage reduction ring are rusted; the pump shaft is seriously bent. Remedy method; Relax the packing, clear the lead sink; Disassemble the pump clear debris, remove rust; Remove the shaft calibration or replace the new pump shaft.
Fifth, no water absorption <br> <br> pump body because the air intake pipe or product gas, or the bottom valve closed lax dissatisfaction irrigation water, vacuum packing serious leak, or a flap gate valve closed tightly. Remedy; press water first, fill the pump with water, and turn it on. Colleagues checked the tightness of the check valve and whether there was a leak in the pipes or fittings. If leaks were found, apply lubricant or paint to the joints after disassembly, and tighten the screws. Check the oil seal ring of the pump shaft. If it is worn out, replace it with a new one. The pipe leaks or leaks. The nuts may not be tightly tightened during installation. If the leakage is not serious, apply cement at the place where the air leaks or water leaks, or apply a bitumen-like grout. Temporary repairs may be coated with wet mud or soft soap. If there is water leakage at the joint, use a wrench to tighten the nut. If the leakage is serious, you must disassemble and replace the cracked pipe. Reduce the lift and press the pump nozzle into the water for 0.5m.
VI. Severe vibrations There are several main reasons for this: Electric rotor imbalance; Coupling bad coupling; Bearing wear and tear; Parts of rotating parts are loose and broken; Can be adjusted, repaired, strengthened, and straightened.
Mirror is a smooth,highly polished surface covered a thin coating.Mirror is usually a thin coating of metal or dielectrics.
Precision Optical Flats are ideal for a variety of applications including interferometry, imaging systems, laser applications, optical path folding, and auto collimation.
China star optics designs and manufactures a great choice of various high and partially reflecting mirrors for the spectral range:UV,visible,near infrared,and infrared regions.Fused Silica substrates, is optically clear and features excellent resistance to abrasion and high durability, making it the best choice for applications in harsh environments. Metallic coatings Options, Protected Gold, and Protected Silver Coatings available. Wide Variety of Shapes and Sizes available in circular, square, and rectangular dimensions.
Specifications of our Optical mirrors as follow:
*Material:BK7 A glass, Fused silica, Quartz, CaF2,ZnSe,Optical crystals or other glass materials
*Parallelism:1 Arc min
*Clear Apenture:90%
*Squares/Rectangles:1mm to110mm+/-0.2mm
*Center thickness tolerance:+/-0.1mm
*Surface quality:60-40 to 20/10 Scratch/Dig
*Surface flatness:lambda/10 at 632.8nm
Protective Gold Mirror,Au Reflective Coating Mirror,Au Protective Coating Mirror,Protected Gold Mirror
China Star Optics Technology Co.,Ltd. , https://www.opticsrealpoo.com