Article List

• How to judge whether the seal of PWU200 worm gear reducer is good

  To determine whether the seal of the PWU200 worm gear reducer is in good condition, the core is through the combination of 'visual observation + operation monitoring + targeted detection', focusing on checking for oil leakage, air/water intake and impurity intrusion. The specific methods are as follows: 1. Static visual inspection (stop state) Check key sealing parts: focus on the output shaft oil seal, box joint surface, and oil filler port/ Wipe the oil drain plug and the periphery of the breather valve with a clean paper towel and observe. If there are no oil stains or oil residue, it is initially qualified. Check the appearance of the seal: When disassembling the end cap or screw plug, check that the oil seal lip is not cracked or deformed, that the sealing gasket is not aged, hardened, or damaged, and that the sealant on the joint surface is not peeled off or cracked. Test the ventilation function: Press the ventilation valve to exhaust smoothly and rebound the seal after letting go. No oil spills from the ventilation valve to avoid excessive internal pressure from damaging the seal due to poor ventilation. 2. Operating status monitoring (no-load + load) no-load operation detection

  October 29, 2025
• Provide some methods to prevent resonance and structural problems of DCY160-25-IV reducer

  The DCY160-25-IV reducer is a commonly used industrial transmission equipment. To prevent its resonance and structural problems, we can start from multiple stages such as design, manufacturing, installation, operation and maintenance. The specific methods are as follows: 1. Optimize the design to improve the rigidity of the box: use topology optimization technology, rationally design the box structure, add reinforcing ribs, etc., to increase the natural frequency of the box and keep it away from the excitation frequency. For example, the design of stiffeners follows the T-section principle, and the thickness of the ribs is 0.6-0.8 times the wall thickness. Select appropriate gears: Use modified gears, such as parabolic drum teeth, to reduce gear meshing impact and reduce vibration excitation. It is also possible to increase the tooth surface contact area and reduce vibration by adjusting the micro-geometric parameters such as the pressure angle and helix angle of the gear. Consider damping characteristics: Consider increasing the damping of the system when designing, such as selecting appropriate lubricating oil, using its viscous damping to absorb vibration energy, or installing a damper in the reducer structure, such as hydraulic

  October 29, 2025
• How to check the side clearance of SCWS200-20-IF worm gear reducer during installation

  The main methods to check the side clearance of the SCWS200-20-IF worm gear reducer include the feeler gauge method, dial indicator method and lead pressure method. The details are as follows: Feeler gauge method: First clean the meshing tooth surface of the reducer to ensure that there is no oil dirt, impurities, etc. affecting the measurement. Then use a feeler gauge directly inserted between the meshing teeth of the worm gear and worm to measure the tooth side clearance. When measuring, multiple measurements need to be made at different positions on the worm gear circumference (such as 120° equal positions), and the average value is taken as the backlash value. This method is suitable for situations with large side clearances and is easy to operate, but the accuracy is relatively low. Dial indicator method: Fix the dial indicator on the box so that the probe of the dial indicator is against the tooth surface of the worm gear. Fix the worm gear, and then rotate the worm forward and backward. The maximum difference between the dial indicator pointer is the backlash. If it is difficult for the dial indicator to directly contact the worm gear tooth surface, a measuring rod can be installed on the worm gear shaft and the backlash can be measured indirectly by measuring the displacement of the measuring rod. Lead pressing method: select lead with appropriate diameter

  October 28, 2025
• How to optimize the coaxiality between the motor shaft and the SCWS225-40-F worm gear reducer shaft

  Optimizing the coaxiality between the motor shaft and the input shaft of the SCWS225-40-F worm gear reducer needs to be achieved through precise alignment and adjustment. The specific steps are as follows: 1. Preparation before installation ‌ Foundation inspection ‌ Make sure the installation base is flat and firm, and the pre-tightening force of the anchor bolts is uniform to avoid axis deviation caused by foundation deformation. Use a level to check the levelness of the reducer installation surface, and the error must be ≤0.05mm/m. ‌Shaft End Cleaning‌Remove oil dirt and burrs from the end faces of the motor shaft and reducer input shaft and coupling connection parts to avoid impurities affecting the alignment accuracy. 2. Coupling alignment method ‌ Dial indicator measurement method (recommended) a. Fix the dial indicator on the motor shaft or reducer input shaft, and measure the radial/axial runout of the outer circle and end face of the coupling: ‌ Radial runout ‌: The difference between the maximum and minimum readings in the circumferential direction of the coupling outer circle is ≤ 0.05mm. Axial runout‌: The axial offset of the coupling end face is ≤0.02mm. b

  October 28, 2025
• What impact will the parallelism error have when installing the ZSY710-80-IV reducer?

  The parallelism error during the installation of the ZSY710-80-IV reducer will directly affect the transmission stability, component life and operating efficiency. The core impact is concentrated in the following aspects: 1. Increased wear and damage of transmission components and abnormal gear meshing: Parallelism deviation will lead to uneven gear tooth surface contact, localized stress concentration, tooth surface wear, accelerated pitting corrosion, and broken teeth in severe cases. Coupling damage: If a coupling is used for connection, the deviation will cause the coupling to bear additional radial force and bending moment, leading to aging and cracking of the elastomer, deformation of the metal coupling, or loosening of the bolts. Bearing failure: The reducer and motor bearings will cause eccentric wear due to unbalanced loads, increase the temperature, intensify abnormal noise, and shorten the service life of the bearings. 2. Vibration and noise caused by running vibration amplification: Parallelism error causes the force imbalance of the transmission system, causing periodic vibration during operation. The greater the deviation, the more severe the vibration. Significant increase in noise: poor gear meshing and abnormal bearing stress will be accompanied by

  October 27, 2025
• What is the service life of the core components of ZLY630-8-I gear reducer?

  The core components of ZLY630-8-I gear reducer mainly include gears and bearings, whose life is affected by many factors, as follows: Gear life: ZLY630-8-I The gears of the gear reducer are usually made of high-quality alloy steel through carburizing and quenching, and the tooth surface hardness reaches HRC54-62. Under normal working conditions, that is, the load does not exceed the rated torque, the lubrication is good, the ambient temperature is suitable, etc., the gear life can generally reach 10 years and above. If the actual load exceeds the rated torque, the gear life will be shortened sharply. For example, when the load factor reaches 1.2 (safety factor ≈ 0.83), the gear life may be reduced to 1/5 of the theoretical value. Bearing life: The life of the bearing is usually L10 life is expressed as the operating time that 90% of the bearings do not suffer fatigue failure under rated load. ZLY630-8-I gear reducer bearing L10 has average service life

  October 27, 2025
• What methods can be used to eliminate the axial movement of the RX121-37KW reducer?

  To eliminate the axial movement of the RX121-37KW reducer, the core is to start from the three dimensions of 'positioning, tightening, and compensation' and take corresponding measures to target the root causes of the movement (such as bearing failure, loose positioning parts, and excessive clearance). 1. Repair or replace core positioning components (the most direct and effective). The main cause of axial movement is the failure of positioning components such as bearings, shaft shoulders, and thrust rings. Prioritize inspection and replacement of these wearing parts. Bearing-related repairs: If the movement is caused by excessive bearing clearance or damage to the thrust bearing, it is necessary to replace the same type of high-precision bearing (it is recommended to choose P6 and above precision). During installation, ensure that the matching clearances between the inner ring of the bearing and the shaft, and the outer ring and the box meet the design requirements (usually H7/js6 fit). Adjustment of the shaft shoulder and positioning ring: If the shaft shoulder is worn or the positioning ring is loose, the shoulder can be repaired and re-welded and reprocessed to standard size, or a new positioning ring can be replaced to ensure that it can firmly hold the inner ring of the bearing and limit the

  October 24, 2025
• How to judge whether the RX67-2.54-5.5KW-M1-0° reducer has axial movement

  To determine whether there is axial movement in the RX67-2.54-5.5KW-M1-0° reducer, you can combine 'direct measurement' and 'indirect observation' methods. The former is precise and quantitative, and the latter is rapid and qualitative, covering scenarios with or without professional tools. 1. Direct measurement method (accurate judgment, requires shutdown operation) directly detects the axial displacement of the shaft through special tools, which is the core basis for judging movement and is suitable for maintenance or when movement is suspected. Tool preparation: dial indicator (accuracy 0.01mm), magnetic watch stand, cleaning cloth, wrench. Operation steps: Stop the machine and cut off the power, wait for the reducer to cool down completely (thermal expansion and contraction will affect the measurement accuracy), and clean the oil dirt and iron filings at the end of the output shaft/input shaft. Attach the magnetic meter base to the flat surface of the reducer case (make sure the meter base is not loose and serve as a fixed reference), adjust the dial indicator head so that it is vertically aligned with the center of the end face of the shaft, and the meter head is pre-compressed

  October 24, 2025
• How to ensure the relative position accuracy of the motor and reducer when installing the SCWS80-50-2 worm gear reducer

  To ensure the relative position accuracy of the motor and the SCWS80-50-2 reducer, the core is to control the errors throughout the entire process from base leveling, shaft alignment to component connection through 'datum alignment, step-by-step fixing, and precise measurement' to ultimately achieve compliance with the three key parameters of levelness, coaxiality, and spacing. 1. Preliminary preparation: Set the benchmark, select tools, and eliminate basic errors. This is the prerequisite for ensuring position accuracy and avoiding subsequent adjustment difficulties caused by deviations in initial conditions. Base surface treatment and leveling: Thoroughly clean the installation base of the motor and reducer, remove oil stains, rust and raised debris, use a flatness ruler to check the flatness of the base, the error must be ≤0.05mm/m; if the base is uneven, use precision copper spacers (thickness accuracy 0.01mm) to level the bottom of the base to ensure that the installation surface is at the same level. Preliminarily fix the reducer on the base, and use a level with an accuracy of 0.1mm/m to close the upper plane and

  October 23, 2025
• What is the reasonable backlash range of different types of worm gear reducers?

  The backlash range of worm gear reducers varies depending on the model, accuracy level and usage scenario. The following are the typical standards for each model: 1. The backlash range of general-purpose worm gear reducer ‌ cylindrical worm reducer ‌ is usually ‌0.1~0.3mm‌, which is suitable for general-purpose worm gear reducers. High-precision industrial transmission applications (such as dividing heads) need to be controlled within ‌0.01~0.04mm‌‌arc-contract The backlash standard of the worm reducer is similar to that of the cylindrical worm, but due to the optimization of the tooth shape, it can be appropriately relaxed to ‌0.15~0.5mm‌ (such as WH series). 2. Double-stage worm gear reducer: Due to accumulated errors, the backlash of double-stage transmission is usually larger than that of single-stage, ranging from about 0.2 to 0.6mm‌. 3. Adjustment standards for special working conditions ‌Servo transmission‌ requires strict control of backlash, generally ≤ ‌0.15mm‌ (or ≤30 arcmin). ‌Heavy load or high temperature environment‌The side clearance can be appropriately increased to ‌0

  October 23, 2025