Article List
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How to judge whether the gear mesh of RXF107-NA432-30KW-D350-M4 reducer is goodJudgmentRXF107-NA432-30KW-D350-M4 Whether the gear meshing of the reducer is good or not requires a combination of static detection during shutdown and dynamic monitoring during operation to comprehensively determine from the tooth surface contact status, operating parameters, vibration and noise, etc. The specific steps are as follows: 1. Static detection during shutdown (core determination method) 1. Red red powder coating detection method (the most intuitive) (1) Clean the observation hole of the reducer to ensure that there is no oil or impurity on the gear surface; (2) Evenly apply a thin and uniform layer of red red powder (or blue oil) on the tooth surface of the driving gear; (3) Manually turn the car slowly for 3~5 circle, so that the driving and driven gears are fully meshed; (4) Observe the contact traces on the tooth surface of the driven gear. The criterion for good meshing is: the contact traces are distributed in the middle area of the tooth surface, with no upward, downward, left, or right phenomena; contact area: hard tooth surface gear ≥ 60%, soft tooth surface gear ≥ 70%; traces are continuous without interruption, no obvious
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What safety accidents may be caused by poor gear meshing of the GR107-Y3-4P-11.59 reducer?Poor gear meshing of the GR107-Y3-4P-11.59 reducer may indeed cause safety accidents. The core risks are mechanical structure damage, electrical system overload and personal injury. 1. Safety accidents caused by damage to mechanical structures 1. Risk of gear breakage or tooth chipping : Consequences: Broken gear fragments may fly, causing scratches and smashing of personnel (especially in open transmission systems). The gear falling off will cause the transmission to be interrupted and cause the equipment to lose control (such as the emergency stop of the elevator or the sudden stop of the conveyor line causing material accumulation and collapse). Cause: Long-term overload causes fatigue fracture of the tooth root (exceeding the material fatigue limit); sudden impact load (such as falling heavy objects) causes the gear to collapse due to instantaneous overload. 2. Risk of bearing locking or fragmentation: Consequences: Bearing locking causes severe vibration of the shaft system, which may cause the reducer housing to crack, bolts to loosen and fall off, and even the equipment toppling. Crushed bearing balls/cages getting into gear mesh
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How to troubleshoot the source of abnormal noise in the TPA315-40-1 worm gear reducerTo investigate the source of abnormal noise of the TPA315-40-1 worm gear reducer, you need to follow the principle of 'first external then internal, first static then dynamic, first simple then complex', and locate the fault point through step-by-step detection. The specific operations are as follows: Step 1: External static inspection (stop power, no disassembly) 1. Inspect the connecting parts, remove the coupling protective cover, and check the elastomer/ Check whether the pins are aged, broken, or fallen off, and whether the coupling bolts are loose or slippery; shake the coupling by hand. If the radial movement is >0.05mm, it means the fit is loose or the coaxiality is out of tolerance. Check the tightening status of the anchor bolts, and retest the torque with a torque wrench (according to the requirements of the equipment manual, for example, the torque of M20 bolts is about 280-320N·m); observe whether the base gasket has collapsed and whether there are cracks in the foundation. If there are signs of resonance, it is most likely that the foundation stiffness is insufficient or the bolts are loose, causing abnormal noise. 2. Inspect seals and ancillary components. Check the end cover oil seal,
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Will the abnormality of TPA125-25-1 worm gear reducer affect its transmission efficiency?The abnormal state of the TPA125-25-1 worm gear reducer will directly lead to a significant decrease in transmission efficiency. Different abnormality types have different effects on efficiency. The specific correlation is as follows: 1. Abnormality in the meshing system: the efficiency decreases most significantly. If the worm gear meshing gap is too large, pitting/gluing/peeling occurs on the tooth surface, or the coaxiality and parallelism are extremely poor after installation, the tooth surface contact area will be reduced, and additional impact and sliding friction losses will occur during meshing. Under normal working conditions, the transmission efficiency of this type of reducer is about 75%-85% (the worm gear is made of tin bronze). When the meshing is abnormal, the efficiency will drop to 50%-60%. When the tooth surface is seriously damaged, the efficiency drop can reach more than 40%. 2. Failure of the lubrication system: Friction loss increases sharply. Insufficient amount of lubricating oil, deterioration of oil quality (mixed with wear debris/moisture) or mismatched model (not using special extreme pressure oil for worm gears) will result in the inability to form an effective oil film on tooth surfaces and bearings.
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What are the possible consequences of abnormal noise of the TPU250-31.5 worm gear reducer?Abnormal noise in the PU250-31.5 worm gear reducer is a direct signal of abnormality in the internal transmission system, lubrication system or assembly structure. If not handled in time, it will cause chain consequences such as increased component damage, transmission performance failure, and scrapping of the entire machine. The details are as follows: 1. Serious wear and failure of the worm gear pair. If the abnormal noise is continuous 'gnawing teeth' Sound is usually caused by excessive meshing clearance of the worm gear, uneven tooth surface wear, or poor tooth profile accuracy. Continuous operation will lead to gluing, pitting, and spalling on the tooth surface. In severe cases, the teeth will break, and the worm gear pair will completely lose its transmission capability. If the abnormal sound is accompanied by periodic metal impact sounds, it may be due to axial movement of the worm or loose positioning of the worm gear. Long-term impact will cause the fit between the worm gear hub and the shaft to loosen, the keyway to deform and shear, and eventually the transmission to become stuck. 2. When the bearing component is damaged or the shaft system fails and the abnormal sound is a sharp 'buzzing' sound or a 'rustling' sound, it is usually caused by insufficient bearing lubrication and raceway wear.
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Will the abnormal noise of the TPS200-63-4F worm gear reducer affect its service life?The abnormal sound of the TPS200-63-4F worm gear reducer will directly accelerate the wear of internal components, destroy the normal transmission state, and significantly shorten the service life of the equipment. The specific impact mechanism and degree are as follows: 1. The relationship between the source of abnormal sound and life loss. If the abnormal sound is the worm gear meshing impact sound (clicking sound): it is mostly caused by excessive meshing clearance, uneven tooth surface wear, or excessive assembly coaxiality. Continuous impact will cause pitting corrosion on the tooth surface and accelerate the gluing speed. The worm gear pair originally designed to have a life of ≥10,000 hours may have teeth cracked within a few months, shortening its life by more than 60%. If the abnormal sound is a sharp whistling or rustling sound from the bearing: it is caused by insufficient bearing lubrication, raceway wear or cage deformation. Abnormal operation of the bearing will generate high temperatures, leading to fatigue spalling of the raceways, and the bearing life will plummet from the designed 20,000 hours to 3,000-5,000 hours. At the same time, bearing damage will cause the worm shaft to move, further
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What are the safety precautions during trial operation of JZQ750-40.17-I gear reducer?JZQ750-40.17-I gear reducer is a medium and large transmission equipment. During the trial operation (no load/load), it is necessary to focus on preventing risks such as mechanical injury, electrical failure, oil leakage, etc. The safety precautions must cover the entire process before trial operation, during operation, and after shutdown. The details are as follows: 1. Safety preparation before trial operation 1. Regional safety isolation: Demarcate the exclusive safety area for the reducer trial operation, set warning signs (such as 'No entry during equipment trial operation'), and prohibit entry by unrelated personnel. Clean all debris, tools, and flammable objects in the area, and ensure that there is at least 1.5m of operating space around the reducer to facilitate observation and emergency treatment. 2. Personnel qualifications and protection Operators participating in the trial operation must receive professional training and be familiar with the reducer structure, operating procedures and emergency response procedures. Unlicensed personnel are strictly prohibited from operating. Operators must wear protective gloves, anti-impact goggles, non-slip safety shoes, and long hair must be
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How to deal with abnormalities during no-load trial operation of JZQ500-15.75-1F gear reducerThe JZQ500-15.75-1F gear reducer no-load trial operation abnormality handling method is as follows: 1. General pre-processing process 1.1 Emergency stop: If any abnormality such as abnormal noise, excessive temperature rise, severe vibration, oil leakage, etc. occurs, immediately press the emergency stop button or cut off the power supply. Operation with faults is strictly prohibited. 1.2 Safety isolation: After shutdown, hang a 'No closing for equipment maintenance' warning sign on the electrical control box, wait until the reducer completely stops inertial rotation and naturally cools to room temperature (forced cooling is prohibited) before conducting inspections. 1.3 Record information: record abnormal phenomena (type of abnormal noise, temperature value, vibration position, oil leakage location), occurrence time, and trial operation stage in detail to provide basis for troubleshooting. 2. Common abnormal phenomena and targeted treatment plans 2.1 Abnormal noise treatment 2.1.1 Metal impact sound: Possible causes are excessive gear meshing clearance/tooth surface damage, broken bearing balls,
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How to solve the abnormal output shaft speed of WB120-LD-17-550-0.55KW micro cycloid reducerThe rated reduction ratio of WB120-LD-17-0.55KW micro cycloid reducer is 17. The core causes of abnormal output shaft speed (shown as low speed, speed fluctuation, and no output speed) are transmission connection failure, meshing component wear, poor lubrication status, and mismatch between load and working conditions. It needs to be checked and solved in the order of first external then internal, first easy and then difficult. The specific operation steps are as follows: 1. Prioritize troubleshooting of external transmission and connection faults (no need to disassemble, quick positioning) 1. Check the connection reliability of the motor and reducer Operation: shut down the power, remove the connecting flange of the motor and reducer, check whether the input shaft flat key/spline is loose, whether the keyway is deformed or worn; use a dial indicator to detect the coaxiality of the motor shaft and the reducer input shaft, the required deviation is ≤0.05mm. Solution: If the flat key is loose, replace the flat key with the same specification and apply thread locking agent; if the coaxiality exceeds the standard, adjust the positioning screw of the motor mounting base.
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What are the solutions when the temperature of the WB85-WD-11-180W micro cycloid reducer rises too fast and the shell overheats?When encountering the problem of excessive temperature rise of the WB85-WD-11-180W reducer, we can quickly solve it in three steps: first stop the machine for troubleshooting, then deal with it in a targeted manner, and finally strengthen prevention. The specific plan is as follows: 1. Stop the machine immediately for inspectionSafety first: Cut off the power supply to avoid burns on high-temperature parts. Preliminary Observation: Check whether the lubricating oil is turbid, whether the oil level is normal, and listen for abnormal noises. 2. Core Problem Troubleshooting and Treatment 1. Lubricating system problemsAbnormal oil level: If the oil level is too high, it will increase the oil stirring resistance, and if it is too low, there will be insufficient lubrication. After stopping the machine to cool down, adjust the oil level to the middle position of the oil level gauge. Oil product problem: If the oil is oxidized and deteriorated or mixed with impurities, the old oil needs to be completely drained, and the inside of the gear box should be flushed 2 to 3 times with new oil of the same type and then refilled. 2. Load and installation issuesOverload operation: Check the load conditions and reduce the operating load to within 80% of the rated load. Installation deviation: