Article List
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Let me introduce the characteristics of the bevel gear of the B3SH04 reducer in detailThe bevel gear (bevel gear) design of the B3SH04 reducer is designed for medium-power industrial applications. Its core features are as follows: 1. Materials and heat treatment processHigh-strength alloy steel uses 20Cr2Ni4A carburized steel, with a depth of 1.2-1.6mm, a tooth surface hardness of HRC58-62, a core hardness HRC35-40, and a 30% increase in bending fatigue strengthSurface strengthening technologyThe tooth surface is strengthened by laser impact, and residual pressure Stress reaches -400MPa, fatigue life is extended by 2-3 times 2. Structural design optimization 1. The tooth shape parameter spiral angle error ≤0.1°, tooth direction deviation ≤0.005mm/m, meshing contact area ≥90%, reducing bearing wear caused by axial force 2. The box seal adopts a combination of maze seal + fluoroelastic oil seal, dustproof level IP66, adapts to dust concentration 1000mg/m³ environment 3. Working conditions adaptability heavy load capacity
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How to choose the suitable B3SH06-12.5-A reducer bevel gearThe bevel gears of the B3SH06-12.5-A reducer need to comprehensively consider material characteristics, transmission parameters and working conditions. The following are the key points: 1. Materials and heat treatment requirements. The alloy steel material is recommended to use 20Cr2Ni4A carburized steel. The hardness of the tooth surface must reach HRC58-62 and the hardness of the core part HRC35-40 to ensure the bending fatigue strength is increased by 30%. Surface treatment process Laser impact strengthening treatment can form a -400MPa residual compressive stress layer, with a fatigue life of 2-3 times longer. It is suitable for high impact load scenarios. 2. Transmission parameter matching 1. Speed ratio and torque adaptation B3SH series speed ratio range is 5-400, and the transmission ratio needs to be calculated based on the motor output speed and load requirements. For example, when the 1500r/min motor drives a 30r/min load, the model with a speed ratio of 50 should be selected2. Multi-stage transmission distributionHigh reduction ratio requirements (such as i>10
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How to determine whether the MBY1100-4.5 hard-tooth surface gear reducer is in abnormal temperature riseDetermine whether the MBY1100-4.5 hard-tooth surface gear reducer is in abnormal temperature rise, and it is necessary to combine temperature monitoring, operating status, and environmental factors. Conduct a comprehensive evaluation, and the specific methods are as follows: 1. Compare temperature monitoring and standard temperature rise calculation Normal temperature rise range: The allowable temperature rise of the reducer is ambient temperature +40℃~50℃ (such as ambient temperature 30℃, the shell temperature should be ≤80℃) abnormal judgment: The actual temperature rise exceeds 50℃ (such as ambient temperature >80℃ at 30℃), or the oil temperature >90℃ (requires shutdown inspection) Key temperature measurement points Housing surface: Infrared thermometer measures the bearing end cover or the middle of the shell, the temperature difference >10℃ indicates local overheating Lubricant temperature: oil temperature sensor monitors real-time, exceeding 90℃, lubricating system needs to be checked immediately 2. Operation status correlation analysis Load and temperature rise No load temperature rise: Normal should be ≤30℃ (environment +30℃), if no load
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What are the differences in efficiency between cylindrical gear reducers and planetary gear reducersThe difference in efficiency between cylindrical gear reducers and planetary gear reducers is mainly reflected in the transmission structure, power loss, and application scenarios. Three aspects, specific comparisons are as follows: 1. Transmission efficiency comparison cylindrical gear reducer efficiency range: Single-stage transmission efficiency can reach 98%-99% (straight-tooth cylindrical gears are minimal due to line contact friction), multi-stage transmission efficiency is gradually reduced (such as double-stage efficiency is about 94%-96%) Source of loss: mainly due to gear meshing friction and bearing resistance, helical gear efficiency is slightly lower than that of spur gears (97%-98%) Planetary gear reducer efficiency range: usually 85%-95%, due to the multi-gear meshing and diverting power, energy loss is large. Source of loss: complex meshing between planetary wheels and sun gears/rings, bearing friction and lubrication resistance 2. Reasons for efficiency differences Structural complexity Cylindrical gear reducer is simple in structure, single-stage transmission path
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What accessories need to be replaced during maintenance of WPS60-60-B worm gear reducerWPS60-60-B During conventional maintenance and maintenance, the 'lubricating oil, seals, grease' must be replaced in cycles, and the core components such as 'worm gear, bearing, gasket, O-ring' must be decided based on the test results. Regular maintenance (must-change) lubricating oil: new machine is replaced 300-500 hours; subsequent replacement is performed every 1500-2000 hours or 6 months, and different brands and models shall not be mixed. Input/output shaft oil seal (skeleton oil seal): If leakage or aging is found, replace it. Install it to avoid lip damage. Bearing grease: Replenish or replace the bearing when disassembling and inspecting it, and use suitable high-temperature and wear-resistant grease. Disassembly inspection/overhaul (replace according to inspection) Worm gear and worm: tooth thickness wear ≥10% to 15%, or pitting/gluing reaches a certain level, usually replaced in pairs; different data have slightly different descriptions of 'replacement threshold', and it is recommended to be based on actual measurement and manufacturer's manual.
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How to check the wear of the tooth surface of the WPS80-50-A worm gear reducerCheck the wear of the tooth surface of the WPS80-50-A worm gear reducer. It is necessary to combine multi-dimensional methods such as appearance inspection, operating status monitoring, dimensional measurement and lubrication analysis. The specific steps are as follows: 1. Appearance inspection, tooth surface status observation, scratches, grooves or metal debris accumulation in the sliding direction of the worm gear tooth surface, and the tooth surface is polished or sunken, indicating wear. If the tooth surface has dark brown molten patches or 'bite welding' marks, it indicates that there is gluing damage. Check the tooth surface of the worm gear (copper alloy) and worm (steel) by electric or magnifying glass: color and coating change, tooth surface oxidation corrosion or local overheating and discoloration (such as blue) may accelerate wear 2. Operating status monitoring Noise and vibration are uniform during normal operation, and if periodic 'kick' sound or vibration acceleration >1.5m/s² (normal ≤0.8m/s²), it indicates that the meshing gap is too large, and the temperature rises abnormally. The shell temperature exceeds 75℃
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What is the lubrication principle of KAZ87-17.42-18.5KW gear reducer in high temperature environmentThe lubrication principle of the KAZ87-17.42-18.5KW gear reducer in high temperature environment is 'mainly oil film bearing, forced circulating heat dissipation as the supplement, combined with extreme pressure and antioxidant additives', the oil film bearing and thermal balance are managed simultaneously, and the operating oil temperature is controlled at 80–85 ℃, temperature rise ≤40 K, and vibration RMS ≤4.5 mm/s. Oil film bearing and friction mechanism Fluid dynamic lubrication (EHL): The gear moves relative to each other and brings oil into the meshing area to form a continuous oil film, which turns metal contact into friction within the oil film, reducing friction coefficient and wear. Elastic fluid dynamic lubrication (EHL): The heavy-load contact area produces elastic deformation and high pressure, and the oil film load is significantly enhanced, which is effective against glue and fatigue. Boundary lubrication: When starting and stopping, low speed or high temperature peaks, the oil film becomes thinner, polar molecules adsorb into a boundary film, and a reaction film is formed on the metal surface by extreme pressure additives to inhibit wear and glue. Heat dissipation and temperature control
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What factors are related to the efficiency of SWL10T-2A-M-40-Z worm gear screw liftThe efficiency of SWL10T-2A-M-40-Z is mainly related to the losses of the 'worm gear and worm pair' and 'spiral pair'. It is affected by factors such as material/manufacturing, lubrication, load/speed, temperature and installation accuracy. The comprehensive efficiency is usually about 30%-70%. Key influencing factors structure and speed ratio: Type 2 (nut movement) is more conducive to long stroke and guidance; 'M' slow speed is higher than usual and slightly lower efficiency. worm head count/speed ratio: the number of head counts has high efficiency but the self-locking ability decreases; the large speed ratio reduces efficiency due to the increase in the number of meshing times and relative sliding. Material and tooth surface accuracy: Bronze worm gear + hardened steel worm, combined with higher grades of tooth shape and helical angle accuracy, can reduce friction and improve efficiency. Helical subtype: trapezoidal/rectangular (sliding) efficiency is about 30%–70%, depending on the pitch, surface roughness and preload/backlash; rolling/ball spiral effect
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How to repair and maintain the FF47-146-0.75KW reducer chassis vibratesFF47-146-0.75KW The maintenance and maintenance of vibration of the reducer case can be started from the following aspects: Maintenance method Check the installation status: Check whether the reducer base is installed at a level, and whether the anchor bolts and other connecting bolts are tight. If the base is uneven, the fixed base needs to be readjusted; if the bolts are loose, tighten in time to ensure that the reducer is installed firmly and the mass distribution is balanced. Check transmission parts: Check whether the gear has tooth surface wear, glue, pitting, wear deviation, etc. For severely worn gears, they need to be replaced in time. At the same time, check whether the bearing is worn or the gap is too large. If the bearing is damaged, replace the new bearing and ensure the installation is correct. In addition, you need to check whether the sliding keys of the high-speed shaft and the medium-speed shaft are worn out, and whether the pinion coupling bolts on the shaft are loose or broken. If there is any problem, you need to replace the sliding keys and broken bolts to tighten the loose bolts. Check the motor and load: Check the motor's supply voltage and frequency
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Application field of WHC150-54-II arc cylindrical worm gear reducerWHC150-54-II arc cylindrical worm gear reducer is widely used in many fields, as follows: Metallurgical industry: It can be used in steel rolling mills, steel mills and other equipment, ore crushers, ball mills and other equipment. These equipment require large torque and stable transmission. The WHC150-54-II arc cylindrical worm gear reducer has large load-bearing capacity and stable working characteristics that can meet its needs. Mining industry: plays a role in mine hoists, belt conveyors, ventilation fans and other equipment. For example, when lifting ore and personnel, a reliable reduction gear is required to ensure safe and stable operation. The high load-bearing capacity and long life characteristics of the elevator make it suitable for such harsh working environments. Crane industry: such as port cranes, bridge cranes, electric hoists and other lifting equipment, which requires precise control of lifting and running speed. WHC150-54-II arc cylindrical worm gear worm