Article List

• How to reduce the vibration value of the NGW52-6 planetary gear reducer base

  The core of reducing the vibration value of the NGW52-6 planetary gear reducer frame is to eliminate force imbalance, optimize assembly accuracy, solve component defects, and deal with it in a targeted manner from the four dimensions of installation, components, operation, and structure to quickly stabilize the vibration level. 1. Optimize the installation and assembly accuracy (basic and efficient) and re-level the installation surface to ensure that the flatness deviation is ≤0.03mm/m. Use spacers to adjust evenly to avoid tilting the machine base. Tighten the anchor bolts evenly according to the specified torque (refer to the equipment manual), install anti-loosening washers, and retighten regularly to prevent loosening. Calibrate input/output shaft coaxiality, control deviation ≤0.02mm, use elastic connection (such as plum blossom coupling) to absorb the impact caused by installation deviation. Check the mating surfaces of the machine base, end cover, and bearing seat to remove burrs and debris to ensure tight fit without gaps and avoid shock and vibration during operation. 2. Repair/replace failed internal components (from source

  November 05, 2025
• What are the testing tools for the vibration value of the NGW61-3.15 planetary gear reducer frame?

  To detect the vibration value of the base of the NGW61-3.15 planetary gear reducer, the core tools are classified according to 'Basic Measurement → Precise Analysis → Auxiliary Verification'. Priority is given to equipment that is portable and adapted to the working conditions of the reducer, as follows: 1. Core vibration measurement tools (direct measurement of vibration parameters) handheld vibration detector (vibration pen/portable vibration meter): the most commonly used tool, which can measure the effective value of the vibration speed (mm/s), acceleration, and displacement of the base, directly corresponding to GB/T 29531 and other standard thresholds, easy to operate, suitable for quick on-site investigation. Online vibration sensor + data collector: suitable for long-term monitoring. The sensor (such as a piezoelectric acceleration sensor) is fixed near the machine base bearing seat and anchor bolts to collect vibration data in real time. The collector can store and analyze trends and provide early warning of abnormal fluctuations. Spectrum analyzer: Precisely locate the vibration source and analyze the vibration frequency (such as gear meshing frequency, bearing

  November 05, 2025
• What are the materials of NGW113-500 planetary gear reducer?

  The core materials of the NGW113-500 planetary gear reducer are divided according to component functions, mainly high-strength alloys and wear-resistant materials, taking into account load-bearing and fatigue resistance requirements. Materials of key components 1. Frame (box): HT250/HT300 gray cast iron is mostly used, and QT450-10 ductile iron is used in some heavy-load scenarios. The castings need to be aged to eliminate internal stress. 2. Planetary gear, sun gear, internal ring gear: core transmission parts are commonly made of 20CrMnTi, 20CrNiMo and other alloy structural steels, which are carburized and quenched + gear grinding to ensure hardness (HRC58-62) and wear resistance. 3. Planet carrier: Use 40Cr or ZG310-570 cast steel. The welded planet carrier is welded and formed from Q355B steel plate, which requires aging or quenching and tempering treatment. 4. Shafts (input/output shafts, planetary shafts): mainly 40CrNiMoA, 42CrMo, adjusted

  November 04, 2025
• What are the preventive measures for cracking of the NGW11-6.3 planetary gear reducer base?

  The core of preventing cracks in the NGW11-6.3 planetary gear reducer frame is to control stress, optimize assembly, match working conditions, and prevent the frame from bearing loads or stresses beyond the limit through multi-link management and control. Design and material optimization Calculate the strength of the machine base according to actual working conditions, appropriately increase the wall thickness or set reinforcement ribs at stress concentration locations (such as bolt holes and bearing seats). Materials that meet the tensile strength and toughness standards are selected, and the internal quality of the castings must be strictly controlled to avoid defects such as blisters and pores. After the machine base is cast, it is fully aged to eliminate residual internal stress and reduce the risk of cracking. The installation and assembly specifications ensure that the installation surface is flat and clean, and the anchor bolts are evenly tightened according to the specified torque to avoid over-tightening or uneven stress. Strictly calibrate the coaxiality of the input/output shaft, control the deviation within the equipment requirements, and reduce additional radial force. Avoid hard knocking during assembly to protect the mating surface of the machine base and prevent local stress deformation from causing stress concentration. Working conditions and operation control

  November 04, 2025
• How to reduce the vibration parameters of WPO80-20-B worm gear reducer

  The core of reducing the vibration of WPO80-20-B worm gear reducer is to optimize the installation accuracy, meshing state and component working conditions, which can quickly reduce the vibration parameters. 1. Optimize installation and positioning accuracy and correct the installation benchmark to ensure that the coaxiality error between the input shaft and the output shaft is ≤0.1mm, and the base level deviation is ≤0.02mm/m. Tighten all connecting bolts, including base, end cover, and coupling bolts. It is recommended to use anti-loosening washers to prevent loosening. Check the elastic components of the coupling (if any) and replace aging or damaged parts to avoid vibration caused by transmission shock. 2. Improve the meshing status of the worm gear. Check the meshing gap and adjust it to 0.15-0.3mm according to the manufacturer's standards (specifically refer to the product manual). If it is too large or too small, it will aggravate the vibration. Clean the oil stains and iron filings on the tooth surface, and replace the lubricating oil that meets the requirements (special oil for worm gears is recommended, with a viscosity grade suitable for the working conditions) to ensure sufficient lubrication. If teeth

  November 03, 2025
• What impact does load stability have on the service life of the WPO60-30-A worm gear reducer?

  Stable load is the key to extending the service life of the WPO60-30-A worm gear reducer. It can greatly reduce component wear, avoid impact damage, and increase the service life of the entire machine by 30%-50%. 1. Reduce core component wear. Under steady load, the worm gear meshing surface is evenly stressed, avoiding early wear, pitting or gluing caused by local tooth surface overload, and extending the service life of the tooth surface. The bearing is stable in force and will not produce impact loads due to sudden changes in load, reducing fatigue damage to bearing raceways and balls and reducing the probability of bearing failure. 2. Avoid impact damage. Instantaneous overload during load fluctuations will produce impact torque, which may lead to irreversible damage such as worm bending and worm gear tooth breakage. Smooth loading can completely avoid such risks. A stable stress state can reduce the resonance and stress concentration of structural parts such as shells and end covers, and avoid derivative problems such as shell deformation and bolt loosening. 3. Ensure the effectiveness of the lubrication system and ensure smooth load operation of the reducer.

  November 03, 2025
• How to use a dial indicator and feeler gauge to detect the parallelism between the output shaft and the load axis of the NRV040-1:20 reducer

  The core of testing the parallelism between the output shaft and the load axis of the NRV040-1:20 reducer is to measure the radial deviation with a dial indicator and assisted verification with a feeler gauge to ensure that the two axes are not tilted or offset. The specific operations are as follows: 1. Clearly detect the standard allowable deviation of parallelism: ≤0.1mm/m (radial deviation), angular deviation ≤0.05mm/m. Detection core: The two axes must meet the requirements in the 'radial direction' (left and right/up and down offset) and 'angular direction' (tilt) before the parallelism reaches the standard. 2. Necessary tools for tool preparation and preliminary preparation: dial indicator with an accuracy of 0.01mm, magnetic meter base, 0.01-1mm feeler gauge, level, and wrench. Preliminary cleaning: Wipe the outer circles of the two shafts and the flange end surfaces to remove oil stains and burrs to avoid affecting the detection accuracy. Preliminary fixation: Do not tighten the reducer foot bolts temporarily, leaving room for adjustment to ensure that there is no axial movement of the shaft during testing. 3. Dial indicator detects radial level

  October 31, 2025
• How to judge whether the NRV110-50 reducer is poorly aligned

  To determine whether there is misalignment of the NRV110-50 reducer (the axis of the output shaft and the load shaft is misaligned), it can be comprehensively judged through three aspects: operating status observation, physical detection and data measurement. The specific method is as follows: 1. Quickly identify abnormalities through operating status (preliminary judgment) 1. Abnormal vibration Periodic and regular vibrations occur during operation, especially near the coupling, and the vibration frequency increases with the increase in speed (poor alignment will cause uneven stress on rotating parts, resulting in centrifugal force vibration). If you touch the reducer housing or load equipment with your hands, you will feel an obvious 'beating feeling' instead of uniform and smooth vibration. 2. The abnormal sound is different from the 'buzzing sound', 'clicking sound' or 'friction sound' in normal operation, especially when the load increases (axis deviation will cause abnormal coupling or gear meshing, resulting in impact or friction noise). The location of the abnormal noise is concentrated at the connection between the output shaft and the coupling.

  October 31, 2025
• What are the causes of abnormal meshing of the worm gear of the WPWA60-40-A reducer?

  This problem is very accurate. The core reasons for the abnormal meshing of the worm gear of the WPWA60-40-A reducer are concentrated in four categories: assembly deviation, wear and aging, lubrication failure, and improper working conditions. The details are as follows: 1. Assembly and installation deviation center distance deviation. The actual installation center distance deviates from the design value (60mm), resulting in tooth tip or tooth root contact during meshing instead of contact in the middle of the tooth surface. Axis position deviation, the axis of the worm and the worm gear is not perpendicular (tolerance ≤ 0.02mm/m) or not parallel, causing unbalanced meshing. Bearing installation problems, the bearing clearance is too large/too small or the assembly is tilted, causing the worm/worm gear shaft to move and skew, destroying the meshing accuracy. The deformation of the box, uneven pretightening force of the base bolts or insufficient foundation rigidity lead to slight deformation of the box, which indirectly affects the meshing position. 2. Component wear and quality issues: Tooth surface wear. After long-term operation, the worm gear (copper) tooth surface wears unevenly, the tooth thickness becomes thinner, or the worm tooth surface is rusted or scratched.

  October 30, 2025
• How to judge whether the worm gear of WPWA155-50-B reducer is aligned with the teeth

  To determine whether the worm gear of the WPWA155-50-B reducer is aligned with the teeth (that is, whether the meshing state is normal), the following comprehensive inspection methods are required: 1. Appearance and contact mark inspection ‌ Red red powder coloring method ‌ Normal status: The contact area should be located in the middle of the tooth surface (near the pitch circle), with an area ≥ 70% and even distribution. ‌Abnormal performance‌: If the contact area is biased toward the tooth top or root, or distributed in a band/point pattern, it indicates axis coaxiality deviation or uneven tooth surface wear. Apply red powder on the tooth surface of the worm gear, and observe the contact spots after turning the worm manually: ‌Tooth surface damage observation‌Check whether there are scratches, glue (melted plaques) or pitting (pits) on the tooth surface of the worm gear (copper alloy), and whether the tooth surface of the worm (steel) is polished or sunken‌. 2. Operation status monitoring‌Noise and vibration‌During normal operation, there is a uniform 'rustling' sound. If there is a periodic 'clicking' sound or the vibration amplitude is >1.5mm/s (normal ≤0.8mm/s), it will prompt

  October 30, 2025