Article List

• In what fields is NCZD315-900-1 planetary gear reducer used?

  NCZD315-900-1 planetary gear reducer relies on the core advantages of ultra-large transmission ratio (900) and high torque carrying capacity. It is mainly used in heavy-duty industrial fields with extremely high demand for 'low speed and high torque'. It is especially suitable for large equipment that requires continuous heavy-load operation. It can be divided into 4 core application fields. 1. Mining and coal industry: Suitable for heavy-duty conveying and crushing equipment. The mining industry has harsh working conditions and heavy loads, and has extremely high requirements for the impact resistance and torque output of the reducer. This model can accurately match two types of key equipment: heavy-duty scraper conveyor/belt conveyor: In underground or above-ground coal and ore transportation scenarios, the equipment needs to drive long-distance, large-bandwidth conveyor belts (such as a bandwidth of more than 1.6m), and needs to cope with material impact loads. The ultra-large transmission ratio of the reducer can reduce the high speed of the motor to a low speed of about 1.67r/min, while outputting tens of thousands of N·m of torque.

  October 22, 2025
• Working principle and performance advantages of NCZD500-1250-1 planetary gear reducer

  The core of the working principle of the NCZD500-1250-1 planetary gear reducer is planetary gear train meshing transmission, which achieves an ultra-large reduction ratio through the synergy of the sun gear, planetary gear, and internal ring gear; its performance advantages revolve around 'ultra-large transmission ratio, ultra-high torque, and high stability', making it perfectly suitable for ultra-heavy and low-speed working conditions. 1. Working principle: Three-stage meshing transmission of planetary gear train. This reducer is a single-stage planetary transmission structure ('1' in the model represents 1st stage). Through the transmission path of 'sun gear active→planetary wheel rotation→planetary carrier output', the high speed of the motor is converted into low speed and high torque. The specific process is divided into 3 Step: Power input: The sun gear receives power and the output shaft of the motor is rigidly connected to the sun gear of the reducer. After the motor is started, it drives the sun gear to rotate at high speed (for example, the motor speed is 1500r/min). The sun gear serves as the driving wheel and drives the surrounding 3-4 wheels through tooth surface meshing.

  October 22, 2025
• How to clean the cooling fan of WPDKS155-60-4KW worm gear reducer

  To clean the cooling fan of the WPDKS155-60-4KW worm gear reducer, you need to follow the process of 'power outage safety → cleaning by parts → inspection and reset'. The core is to completely remove dust and oil while avoiding damage to the fan components to ensure that the cooling efficiency is restored after cleaning. 1. Preparation before cleaning: Clarify tools and safety precautions. Tool preparation and safety protection must be done before cleaning to avoid electric shock or component damage. Tools and materials list Basic tools: Phillips screwdriver (used to remove the fan guard), compressed air gun (pressure ≤ 0.4MPa, used to blow away dust), soft brush (made of nylon, soft brush head to avoid scratching the fan), rag (pure cotton cloth without fiber shedding, can be dipped in a small amount of neutral detergent, such as detergent dilution). Protective equipment: insulating gloves (to prevent electric shock), goggles (to prevent dust from splashing into the eyes). If the fan is heavily oily, oil-resistant gloves are required. Safety precautions must be cut off first

  October 21, 2025
• How to replace the cooling fan of WPDKS80-30-1.5KW worm gear reducer

  To replace the cooling fan of the WPDKS80-30-1.5KW worm gear reducer, you need to follow the process of 'safe power off → remove the old fan → match the new fan → install and reset'. The core is to ensure that the wiring is correct and the installation is firm to avoid heat dissipation failure due to model mismatch or improper installation. 1. Preparation before replacement: Confirm the model and tools to ensure safety. Confirm the fan model and parameters. First record the key parameters of the old fan (to avoid buying by mistake): Voltage: usually AC220V Or 380V (check the fan motor nameplate, which is consistent with the power supply of the reducer); power: mostly 15-40W (low power fan, too large may cause circuit overload); installation dimensions: fan outer diameter (usually Φ80-120mm), fixed hole spacing (hole center distance, such as 4-M4 screw holes, spacing 50mm), shaft length (if it is a shaft-mounted fan). If the nameplate is unclear, please refer to the reducer description.

  October 21, 2025
• How worm gear reducers meet the hygiene requirements of the food industry

  Worm gear reducers need to meet strict hygienic requirements in the food industry, which are mainly achieved through the following design and use specifications: 1. Material and structural design‌Food-grade materials‌Parts in contact with food must be made of stainless steel (such as 304 or 316L) or non-toxic coating materials to avoid heavy metal precipitation and microbial growth. The tooth surface of the worm gear needs to be smoothed to reduce residue accumulation. ‌Sealing and Protection‌It must be equipped with a sealing structure with IP65 or above protection level to prevent lubricating oil leakage and the intrusion of external pollutants. The output shaft adopts labyrinth seal or double lip seal to avoid food contact with grease. 2. Lubrication management ‌ Food grade lubricants ‌ must use NSF H1 certified grease to ensure it is non-toxic and meets food contact safety standards. The lubrication system must be designed to facilitate cleaning and oil change to avoid residues. ‌Lubrication maintenance specifications‌The lubricating oil needs to be replaced after the first 400 hours of operation, and every 5,000 hours thereafter or when the oil temperature exceeds

  October 20, 2025
• How to judge whether to use a hard tooth surface or soft tooth surface reducer

  1. Core judgment basis: Load and working condition requirements‌Carrying capacity‌Hard-tooth surface reducer (tooth surface hardness ≥350HBS) has a high single-tooth bearing capacity and can withstand impact loads. It is suitable for heavy-load applications such as mining equipment and cranes. Soft tooth surface reducers (tooth surface hardness ≤350HBS) have low load-bearing capacity and are suitable for light-load scenarios such as agricultural machinery and logistics equipment. Long-term heavy loads can easily cause tooth surface deformation. ‌Speed ​​and Efficiency‌The hard tooth surface has high transmission efficiency (85%-95%) and is suitable for high-speed scenarios (such as machine tool spindle drive). The efficiency of soft tooth surface is low (70%-85%). Due to the large friction loss, it is more suitable for low-speed equipment (such as conveyor belts). 2. Differences in materials and processes ‌Hard tooth surface‌ material: high-strength alloy steel (such as 20CrMnTi). After carburizing, quenching, gear grinding and other processes, the tooth surface hardness reaches 58-64HRC. The process is complex and the cost is high (50%-80% more expensive than soft tooth surface), but the service life is as long as 10-1

  October 20, 2025
• What factors affect the output speed of SA47-15-1.5KW worm reducer?

  The output speed of SA47-15-1.5KW worm reducer is 'Transmission ratio''Motor input speed''Actual operating condition loss' It is determined by three core factors, among which the transmission ratio and motor input speed are the basis for theoretical calculation, and the working condition loss is the correction term in actual operation. The following is a disassembly analysis of specific influencing factors, combined with model parameters ('SA47' is the frame number, '15' is the nominal transmission ratio, '1.5KW' is the matching motor power) Explanation: 1. Core determinants: transmission ratio ('fixed coefficient' of theoretical output speed) The output speed of the worm reducer is essentially 'motor input speed ÷ transmission ratio', where the transmission ratio is fixed and determined by the mechanical structure of the reducer (number of worm heads, number of worm gear teeth), and is the core and most stable factor affecting the output speed. 1. Definition and calculation of transmission ratio Logical transmission ratio (i) is the reducer

  October 17, 2025
• In the operating scenario of the SA67AM90-85.83-M1 worm reducer, what are the specific aspects of operating loss?

  The operating loss of the SA67AM90-85.83-M1 worm reducer mainly includes the following aspects, and its mechanism of action is closely related to the characteristics of the worm gear transmission: 1. Mechanical friction loss 1. Tooth surface meshing friction When the worm meshes with the worm gear, the sliding friction coefficient is usually 0.08-0.12‌1, and friction loss accounts for 60%-70% of the total power. The equivalent friction angle (ρ) is directly related to the material combination (such as steel worm + bronze worm gear) and lubrication state. 2‌. Bearing friction loss‌ The friction loss of the worm shaft and output shaft bearing accounts for about 15%-20%. The friction coefficient of the deep groove ball bearing is 0.001-0.003. If the lubrication is poor (such as oil temperature >80℃) or the load exceeds the rated value, the loss can increase by 30%‌. 2. Fluid power loss ‌ Oil stirring loss ‌ The energy consumption caused by the stirring of lubricating oil by rotating parts accounts for 5%-10%, which is proportional to the depth of the oil pool, oil volume and the square of the rotation speed. example

  October 17, 2025
• What are the common faults and solutions of TPU315-25-1 worm gear reducer?

  Common faults of the TPU315-25-1 worm gear reducer (center distance 315mm, transmission ratio 25) are mostly related to 'lubrication failure, load overload, installation deviation'. The treatment must follow the principle of 'first locate the fault point, and then solve it in a targeted manner' to avoid blind disassembly. Combined with its structural characteristics of large center distance and medium speed ratio, common faults can be divided into 4 categories. The specific manifestations, causes and treatment methods are as follows. 1. Fault 1: Abnormal operating noise (piercing noise, metal friction sound). This is the most easily detectable fault. It is mostly related to component wear or misalignment. If not handled in time, the damage will be aggravated. Common reasons: The worm gear is severely worn (tooth surface peeling, uneven tooth thickness), resulting in excessive meshing clearance or abnormal bite. The bearing is damaged (the rolling elements are worn, the cage is broken), and irregular vibration and noise are produced during operation. The concentricity deviation between the motor and the reducer, the reducer and the load is too large (more than 0

  October 16, 2025
• How much influence does magnetic anomaly have on the service life of H3SH14 industrial gearbox?

  The impact of magnetic anomalies on the service life of the H3SH14 industrial gearbox is difficult to accurately quantify, but it may shorten its service life by 20%-50% or more, which mainly depends on the type and severity of the magnetic anomaly, the working environment of the gearbox and other factors. Magnetic anomalies usually affect the service life of the gearbox in the following ways: Leading to increased component wear: Magnetic components inside the gearbox (such as gears, bearings, etc.) may have residual magnetism during processing or testing. If magnetic anomalies lead to residual magnetism on the gear surface, magnetic particles such as iron filings in the oil will be absorbed. These particles act like abrasives and will intensify the wear of the gear tooth surfaces and bearing raceways. For example, normally a gearbox gear can be used 5 years, but in the case of magnetic abnormalities that are not handled in time, serious tooth surface wear may occur in 2-3 years, leading to gear failure. Causing increased vibration and noise: Magnetic anomalies may

  October 16, 2025