Article List

• What are the wearing parts of ZSY280-80-1 hard tooth surface gear reducer?

  ZSY280-80-1 is a three-stage cylindrical gear reducer with hard tooth surface. In the daily operation of mechanical equipment, wearing parts usually refer to those parts that require regular inspection and replacement due to frequent wear or aging. For this reducer, its main wearing parts and the wear parts that need to be focused on include: 1. Core wearing parts and easy-wear parts 1. Seals (such as skeleton oil seals, O-rings, sealing paper pads) This is the most common wearing part of the reducer. They are mainly used to prevent lubricating oil leakage and dust ingress. If oil or air leakage is found at the shaft extension or joint surface of the reducer, it is usually because the seals are aged or damaged and need to be replaced directly with new ones. 2. Bearings Bearings support the operation of the gear shaft and will wear out under long-term high-load operation. If the reducer experiences increased vibration, abnormal temperature rise, or significant noise increase during operation, it is often related to bearing wear or damage. 3. Although gears and gear shafts

  May 20, 2026
• What is the connection sequence between ZSY gear reducer and motor?

  To connect ZSY gear reducer and motor, it is usually recommended to operate in accordance with the following standard sequence and steps. This can not only ensure the normal operation of the equipment, but also effectively extend the service life: 1. Preparation and inspection before installation. Before connecting, you must first confirm that the appearance of the motor and ZSY reducer is intact. Strictly check whether the dimensions of the parts connecting the motor and the reducer match, especially the dimensions and fitting tolerances of the positioning boss of the motor, the groove of the input shaft and the reducer. At the same time, wipe the anti-rust oil on the motor input shaft, positioning boss and reducer connection parts with gasoline or special cleaner to ensure the tightness of the connection and the flexibility of operation. 2. Adjust the reducer and prepare the motor. Unscrew the screw on the dust-proof hole on the outside of the reducer flange. Adjust the clamping ring to align the side hole with the dust-proof hole. Insert the hexagon socket bolt and tighten it (be careful not to tighten it first). Next, be sure to remove the key from the motor shaft (if there is one)

  May 20, 2026
• Where is the oil level sight glass of WPA worm gear reducer?

  The oil level sight glass (oil gauge/oil mirror) of the WPA worm gear reducer is usually located on the side of the reducer case. It is generally a circular transparent oil window, designed in the middle and lower part of the side of the box, so that you can directly observe the internal lubricating oil level with the naked eye. How to confirm and observe the oil level. Find the location: Look for a transparent circular window on the side of the reducer. If you can't find it on the side, you can also check the location of the end cover of the box. Observation standard: When the reducer is stopped and in a horizontal state, the normal lubricating oil level should be maintained at the center line (middle line) of the oil mirror, or between 1/2 and 2/3 of the oil mirror scale. Additional explanation: The oil level sight glass (used to check the oil level) and the oil filling hole are two different locations. The oil filling hole of WPA reducer is usually on the top of the box. If you really can’t find a transparent oil mirror on the side of the reducer you have, it is recommended to check whether there is a physical oil level gauge, or directly check the oil level gauge.

  May 19, 2026
• What are the advantages of choosing gray cast iron as the material for the ZQ soft tooth surface reducer case?

  The core advantages of ZQ soft tooth surface reducer box body are made of gray cast iron, which are as follows: 1. Strong shock absorption and noise reduction performance. Gray cast iron contains flake graphite, which can absorb gear meshing vibration and operating noise. It is suitable for soft tooth surface low-speed and heavy-load transmission, runs more smoothly, and reduces gear impact wear. 2. It has sufficient rigidity and is not easily deformed. The structure is dense and the compressive stiffness is high. It can firmly fix the bearing seat, ensure the coaxiality of the shaft system, and avoid gear eccentric loading, jamming, and oil leakage caused by box deformation. 3. Excellent casting performance, good fluidity and small shrinkage. It is easy to cast the complex inner cavity, ribs, oil tank and mounting base of the reducer with complete molding and few pores and blisters. It is suitable for mass production. 4. Good cutting processability, moderate hardness, easy finishing of bearing holes, joint surfaces, and mounting surfaces, easy to achieve standard accuracy, good assembly sealing, effectively preventing oil leakage. 5. High dimensional stability, small residual stress after aging treatment, not easy to deform during long-term continuous operation, and good accuracy maintenance for long-term use. 6. Heat dissipation

  May 19, 2026
• What are the special requirements for vertical installation and lubrication of ZSY gear reducer?

  When the ZSY gear reducer is installed vertically, lubricating oil is easily lost from the gears and bearings due to gravity, resulting in insufficient lubrication of the upper parts. Therefore, compared with conventional horizontal installation, vertical installation has the following special requirements in terms of lubrication: 1. Adjust the filling amount and oil level of lubricating oil. When installing vertically, the oil level needs to be re-confirmed and adjusted. Due to changes in installation orientation, the original oil level line may no longer be applicable. Check the oil level: You must follow the manufacturer's instructions for vertical installation, open the corresponding oil level plug screw and check the height of the oil level line. It is usually necessary to increase the amount of lubricating oil appropriately to ensure that the gear can bring up enough oil for splash lubrication when running, and to ensure that the upper bearing can also be reliably lubricated. Prevent leakage: When increasing the amount of oil, be careful not to exceed the maximum oil level to avoid oil leakage at the seal or excessive operating resistance. 2. Appropriately increase the viscosity of the lubricating oil to cope with vertical installation.

  May 18, 2026
• What are the fixing solutions for vertical installation of ZSY reducer?

  When the ZSY reducer is installed vertically, the core of the fixation solution is to ensure that the reducer can be firmly suspended or supported, and to effectively offset the reaction torque generated when the equipment is running. There are mainly two common fixing solutions: 1. Flange fixing (suspended). This is the most common way of vertical installation of ZSY reducer. Fixing method: Use the large annular flange surface and its bolt holes on the reducer housing to directly fix the reducer to the stable equipment rack or support structure above through high-strength bolts. The output shaft extends vertically downward to drive the working machine. Features of the solution: This fixing method has a compact structure, small footprint, and good neutrality. However, it is required that the upper support structure must have sufficient strength and rigidity to bear the weight of the reducer itself and the entire load when operating at full load. 2. The base is fixed and matched with the torque arm (floor-standing/supported type). If the working conditions require the reducer to be placed on the bottom foundation, or otherwise

  May 18, 2026
• 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