Article List

• How to deal with the situation when the K series gear reducer has low-temperature start-up and slow operation during winter operation.

  The K series spiral bevel gear reducer has stuck startup and slow operation at low temperatures in winter. This is actually a very typical 'low temperature syndrome'. This is mainly because the sudden drop in ambient temperature causes a sharp increase in lubricating oil viscosity, which greatly increases the internal operating resistance. To solve this problem, you can investigate and deal with it from the following core aspects: 1. Replace lubricating oil suitable for low-temperature environments (the most critical). This is the most common cause of jamming. Ordinary industrial gear oil will become as viscous as honey or even solidify at low temperatures, causing the motor to be unable to drive or the gear meshing resistance to be extremely high. 1. Lubricating oil inspection: Check the current lubricating oil label. If you use high viscosity oil (such as VG320 or VG460), it will most likely cause difficulty in starting in winter. 2. Lubricating oil treatment: Oil change: It is recommended to replace it with a synthetic gear oil with low viscosity and better low-temperature fluidity (such as poly-alpha olefin synthetic oil). In the cold

  May 15, 2026
• How to deal with frequent overload tripping of K series reducer during operation

  K series (usually K series spiral bevel gear) reducers frequently experience overload tripping during operation, which indeed greatly affects the production schedule. This is usually caused by three main categories of reasons: abnormal mechanical load, improper electrical protection settings, or failure of the equipment itself. You can troubleshoot and deal with it in the following order, from simple to complex: 1. Electrical system troubleshooting (priority inspection). Many times, the tripping is not because the reducer is broken, but because the protection mechanism is too sensitive or there is a problem with the power supply. 1. Check the setting value of the thermal relay or circuit breaker: Check the rated current of the motor and confirm whether the setting current of the thermal relay or circuit breaker is too small. If the set value is lower than the rated current required for actual operation of the motor, a slight load fluctuation will cause it to trip. 2. Check voltage stability: measure whether the input voltage is stable. Too low voltage will cause the motor current to increase to maintain power, causing overload; voltage phase loss (one phase of three phases is missing) will also cause the current to increase sharply and jump quickly.

  May 15, 2026
• How to repair the worn gears of JS gear reducer

  For maintenance of JS gear reducer gears after they are worn, it is necessary to choose an appropriate treatment plan based on the severity of the wear. It can usually be divided into three situations: mild, moderate and severe wear: 1. Repair of mild wear If there are only slight scratches, burrs or excessive surface roughness on the tooth surface, but it does not affect the overall meshing accuracy, the following methods can be used: Grinding and polishing: Use oilstone, sandpaper or polishing machine to finely grind the tooth surface to remove burrs and tiny defects and restore the smoothness of the tooth surface. Note: The pressure must be controlled during the grinding process to prevent excessive wear from causing changes in tooth shape. After repair, it is necessary to check the distribution of contact spots on the tooth surface. 2. Repair of moderate wear. If the tooth surface has local wear, peeling, or even wear but has not damaged the core structure of the gear, the following methods can be used to restore size and performance: Overlay welding repair: first remove the oil and rust in the worn area, and select a material that matches the base material.

  May 14, 2026
• How to carry out key debugging and acceptance after gear wear repair of JS gear reducer

  After the JS gear reducer gear is worn, no matter which repair method is used, reassembly and debugging are key steps to ensure the quality of repair: 1. Adjust meshing accuracy: The contact area and tooth side clearance of the gear must be carefully adjusted during assembly (usually the tooth side clearance is between 0.15-0.40mm, specifically determined according to the module) to ensure correct gear meshing and extend service life. 2. Sealing treatment: The processing joint surfaces of the upper and lower boxes should be thoroughly cleaned, apply a layer of oil-resistant sealant evenly, and then tighten the bolts evenly in diagonal order to prevent oil leakage. 3. Add lubricating oil: Inject the specified type of industrial gear oil (such as No. 150 industrial gear oil). The amount of oil is usually suitable for immersing 1/3 of the large arc bevel gear or reaching 1/2 to 2/3 of the oil level window. 4. No-load and load tests: (1) No-load test operation: Let the reducer run without load for about 30 minutes, and observe whether the operation is stable, and there must be no impact,

  May 14, 2026
• How to ensure the sealing performance of FAB series linear reducer in dusty environment Selection

  To ensure the sealing of the FAB series planetary reducer in a dusty environment, systematic considerations need to be made from four levels: design, structure, protection and maintenance. The following is the specific implementation strategy: 1. Selection stage: When it is clear that the high protection level is Selection, the first task is to clarify that the reducer must have high standards of protection capabilities. Specify IP protection level: Make it clear to the supplier that you require a model with a high level of protection. Standard models are usually IP54, but for dusty environments, priority should be given to selecting or customizing reducers with IP65 or higher ratings to ensure they have excellent dust-proof capabilities. Confirm sealing configuration: In the technical agreement, the reducer is required to adopt a reinforced sealing configuration. This usually includes: Shaft end seal: Double lip fluoroelastomer skeleton oil seal. Fluorine rubber has excellent oil resistance, aging resistance and chemical corrosion resistance, and the double-lip structure can provide double protection to effectively prevent dust intrusion and lubricant oil leakage. Box density

  May 13, 2026
• How to confirm the self-locking function of worm gear reducer Selection

  When Selection worm gear reducer, confirm that its self-locking function cannot be generalized, because not all worm gear reducers have reliable self-locking capabilities. You can follow the following steps to confirm: 1. Step 1: Consult the product manual. This is the most direct and reliable method. Regular manufacturers' product manuals usually clearly indicate whether the reducer has a self-locking function. Direct marking: Look for clear instructions such as 'with self-locking function', 'reverse self-locking' or 'static self-locking'. Parameter annotation: If there is no direct explanation in the manual, you can look for the parameter 'worm lead angle (λ)'. Generally, reducers with a lead angle less than 5° (especially less than 4°) are more likely to be self-locking. 2. Step 2: Judge through core parameters. If the manual information is incomplete, you can evaluate the possibility of self-locking through the following core parameters. The fundamental principle of self-locking is: the lead angle (λ) of the worm must be smaller than the worm gear mesh

  May 13, 2026
• Detailed step-by-step instructions for selecting the center distance of DBY hard tooth surface conical cylindrical gear reducer

  The center distance of the DBY type hardened bevel cylindrical gear reducer is selected not through free calculation, but based on the design requirements and from the standard specifications of this series of reducers Selection. The center distance is a core specification parameter of the reducer. The center distance of the DBY series reducer has been standardized. 1. DBY series standard center distance specifications There are 12 specifications of DBY reducer. The nominal center distances (referring to the center distance of the final cylindrical gear) are: 160, 180, 200, 224, 250, 280, 315, 355, 400, 450, 500, 560 mm 2. Detailed Selection Steps The detailed steps for selecting the appropriate center distance are as follows: 1. Determine the basic design parameters. First, it is necessary to clarify the specific working conditions and requirements of the reducer application, and collect the following key parameters: Input power (P): The motor power that drives the reducer, in kilowatts

  May 13, 2026
• What should I do if the SBD reducer makes abnormal noise after being shut down for a long time and restarted?

  The SBD reducer makes abnormal noise when restarting after a long period of shutdown. This is usually caused by lubrication, corrosion or assembly problems. Please follow the steps below to troubleshoot and resolve the system. Important: Before performing any inspection or repair, be sure to cut off the power supply and ensure that the equipment comes to a complete stop to prevent safety accidents. 1. Steps to troubleshoot and deal with abnormal noise 1. Check the oil level and oil quality of the lubrication system: First, check whether the oil level of the lubricating oil is within the normal range (usually 1/2 to 2/3 of the oil window). Long-term shutdown may cause the lubricating oil to deteriorate, increase in viscosity, or be mixed with impurities, which will seriously affect the lubrication effect and cause abnormal noise due to dry grinding of gears and bearings. Treatment measures: If insufficient oil is found, the oil is black, turbid or has sediment, it should be replaced immediately with new lubricating oil that meets the specifications. It is prohibited to mix lubricating oils of different brands and models. 2. Manual turning inspection operation method: In the power-off state, try to

  May 13, 2026
• How to judge whether the R47 gear reducer needs to install a heat dissipation device

  Whether the R47 gear reducer needs to be installed with a heat dissipation device is mainly determined based on the ambient temperature, load conditions and continuous operating time. The following are the specific judgment criteria: ‌1. Ambient temperature ≥ 60℃‌: When the operating ambient temperature of the reducer reaches or exceeds 60℃, the natural heat dissipation efficiency drops significantly. An ‌axial flow fan (air-cooled) or water-cooled jacket (water-cooled) should be installed to ensure that the oil temperature is controlled below ‌85℃‌. 2. Continuous 24-hour heavy-load operation: If the equipment is continuously operated at full load or heavy load for a long time, even if the ambient temperature is not high, internal friction will cause the oil temperature to rise rapidly. At this time, a forced cooling device, such as an air-cooling or water-cooling system, is also required. 3. The low-power reducer operates under high-temperature working conditions: For example, when the ambient temperature of the R27 model is >45°C, it is recommended to install a water-cooled plate cooler; similarly, although the R47 is a medium specification, it should also be upgraded if it is in a high-temperature + heavy-load superimposed working condition.

  May 11, 2026
• How to solve the problem of excessive misalignment of the axis of the ZD15 soft tooth surface reducer

  The core of solving the problem of excessive non-axiality of the axis line of the ZD15 soft tooth surface reducer lies in accurate measurement and fine adjustment. Please follow these systematic steps. 1. Before starting fine adjustment, be sure to complete the following preparations: Eliminate 'soft feet': Use a feeler gauge to check the contact between the reducer and motor base and the installation foundation to ensure that all feet are evenly stressed and not suspended. Preliminary alignment: loosen the coupling and use a ruler and feeler gauge to roughly align the motor and reducer so that the radial and axial deviations of the two axes are within the adjustable range. Environmental preparation: Ensure that the equipment is at normal temperature and avoid operating in an environment with strong vibration or drastic temperature changes. 2. Accurate measurement and adjustment methods It is recommended to use the following two methods for accurate measurement and adjustment, among which the dial indicator method is the most commonly used method on site. 1. Dial indicator detection method (recommended) This is the most classic and reliable on-site calibration method, by measuring radial and end face runout

  May 11, 2026