Article List

• How long should the oil change interval of the ZQ250-15.75-II reducer be in a high humidity environment?

  The precise oil change cycle of ZQ250-15.75-II in a high-humidity environment can be performed directly on site: 1. Standard working conditions vs. high-humidity working conditions. Normal dry environment: change once every 8 to 12 months. High-humidity/moist/condensation-prone environments: must be shortened to once every 6 months (180 days). This is the safest cycle for the life of gearboxes, bearings, and seals. 2. Why should high humidity be shortened to 6 months? Humidity will cause the oil to emulsify, turn white and thin, and the lubricating film will fail prematurely. Moisture will corrode gears and bearings, and the longer the drag, the greater the damage. ZQ250 is a commonly used medium-load model and is particularly sensitive to water. 3. If the following conditions occur, do not wait for 6 months. Change the oil immediately. The oil is white, turbid, like water droplets in milk oil, the stratified operating temperature rises abnormally, and the downtime is long. Four before restarting, ZQ250 Recommended grade of oil for high humidity environment: L-CKD 220 or 320 heavy duty

  February 27, 2026
• How to monitor the humidity effect of ZQ400-23.34-1 reducer

  The impact of humidity on the ZQ400-23.34-1 reducer can be systematically assessed through dual environmental and internal monitoring methods. It is recommended to adopt a three-in-one monitoring plan of 'environmental monitoring + oil detection + visual inspection', focusing on the risk of condensation when the relative humidity is >60% and the critical point of deterioration when the moisture content of the lubricating oil is >0.1%. Combined with the high temperature and high humidity climate characteristics in Wuxi, a regular inspection mechanism needs to be established to achieve early warning. 1. Environmental humidity monitoring: Mastering the risk of external intrusion. Environmental humidity is the basic indicator to judge the possibility of water vapor intrusion. You should focus on monitoring the micro-environment around the reducer: use a thermohygrometer to measure the relative humidity of the air within 1 meter around the reducer, record daily morning and evening data, and focus on whether condensation on the box surface occurs in the early morning or when the temperature difference is large. For long-term monitoring, it is recommended to use a portable dew point meter with data recording function, which can measure the dew point temperature and calculate the relative humidity.

  February 27, 2026
• How to adjust the input torque of WHX125-50 worm gear reducer

  The WHX125-50 worm gear reducer does not have a built-in torque adjustment mechanism. The input torque is determined by the drive motor and the load. It needs to be adjusted through three methods: motor control, transmission matching, and overload protection. The following is a directly executable plan: 1. Core principle WHX125-50 is a fixed speed ratio (i=50) arc tooth worm reducer. Input torque T₁ = output torque T₂ ÷ 50 ÷ Efficiency η (η≈0.75~0.85). The upper limit of input torque is determined by the rated torque of the motor and the allowable input torque of the reducer, and cannot exceed the rated value. 2. Four practical methods to adjust input torque 1. Motor control adjustment (most commonly used, can be directly operated on site) Frequency conversion speed regulation (recommended): Use a frequency converter to adjust the motor speed/frequency and change the output torque synchronously. Reduce frequency → decrease speed → increase output torque → increase input torque simultaneously; increase frequency → speed

  February 26, 2026
• What issues should be paid attention to in daily use of the bearing components of the P series planetary reducer?

  Precautions for daily use of P series planetary reducer bearing components are as follows: 1. Over-torque, over-speed, radial/axial overload operation is strictly prohibited to avoid instantaneous impact damage to the bearings. 2. Ensure correct lubrication, use the gear oil specified by the manufacturer, have a moderate amount of oil, and do not lack oil, mix oil, or use deteriorated oil. 3. Change the oil regularly. The new reducer should be changed first after 300 to 500 hours of operation, and then every 3000 to 6000 hours. The cycle can be shortened in harsh environments. 4. Monitor the temperature during operation. If the temperature of the bearing part rises abnormally, exceeds 80°C, or is hot to the touch, stop the machine immediately for inspection. 5. Monitor for abnormal noises. Metal impact sounds, periodic friction sounds, and whistling sounds may appear, mostly due to damage to the bearing raceways and cages. 6. Prevent dust, water vapor, and iron filings from entering the box and avoid bearing raceway wear, pitting, and rust. 7. Check that the ventilation device is unobstructed to avoid excessive pressure in the box, which may cause oil seal failure and dust in the bearings. 8. Ensure that the same installation

  February 26, 2026
• What is the impact of WHT08-63-8Z reducer box material on noise?

  The impact of the WHT08-63-8Z reducer box material on noise is indeed a key part of the equipment noise reduction design. Everything from the acoustic properties of the material itself to the structural stiffness directly affects vibration transmission and noise radiation levels. Combining current engineering practice and simulation research, the noise reduction performance of cast iron boxes is better than that of cast steel in the middle and low frequency bands, but the specific effect also depends on the internal damping characteristics of the material, wall thickness design and surface treatment process. 1. The direct impact mechanism of the box material on the noise‌The damping characteristics of the material determine the vibration attenuation ability‌The box is a carrier of vibration energy, and the internal friction (damping) performance of its material determines whether the vibration can be quickly attenuated. Cast iron (especially gray cast iron HT250) contains flake graphite and has high internal damping, which can effectively absorb the impact vibration generated by gear meshing and reduce structural noise radiation. In contrast, although cast steel has high strength, its damping performance is low, and vibration is more likely to continue to propagate, causing

  February 25, 2026
• How to check whether the CWU225-2F reducer has a box rupture

  CWU225-2F It is an arc cylindrical worm reducer. The box is mostly made of gray cast iron. The cracks are mostly caused by overload impact, improper installation, casting defects or long-term vibration. The inspection needs to be comprehensively judged through three dimensions: static inspection during shutdown, dynamic inspection during operation, and depth inspection of disassembly. The specific steps are as follows: 1. Comprehensive static inspection during shutdown 1. Preliminary appearance inspection: Clean the oil, dust, and rust on the surface of the box, wipe the entire machine shell with a clean rag, and focus on the vicinity of the bearing seat, the joint surface of the upper and lower machine bases, and the oil drain port/ Stress concentration areas such as around the oil filler port, the roots of the radiator, and the installation locations of anchor bolts. Visually observe whether there are obvious cracks, gaps, or missing pieces on the surface of the box. The cracks are usually accompanied by traces of rust and oil leakage. When the cracks penetrate the box, oil will continue to seep out, and there will be irregular linear rust marks at the micro-cracks. 2. Detailed inspection of key parts: Use a feeler gauge to insert into the joint surface of the upper and lower machine bases, and slide evenly along the joint surface to measure.

  February 25, 2026
• What are the causes of poor gear contact in ZLY250-21.73-II reducer?

  The reasons for poor gear contact in the LY250-21.73-II reducer can be summarized into four categories: substandard manufacturing accuracy of parts, deviations in assembly processes, improper lubrication and maintenance, and problems with working conditions and installation foundations. The details are as follows: 1. Defects in manufacturing accuracy of parts and gear processing errors: cumulative errors in tooth shape, tooth direction, and tooth pitch are out of tolerance (not meeting the design level 6 accuracy requirements), and tooth surface roughness Ra The value is too large, resulting in uneven contact during meshing; the gear deformation is not corrected after carburizing and quenching, and the tooth surface warps. Box processing deviation: Bearing hole coaxiality and parallelism are out of tolerance (allowable value ≤ 0.02mm/m), center distance deviation exceeds the design range, resulting in gear axis position deviation and uneven load during meshing. Insufficient bearing accuracy: Use bearings with an accuracy lower than P5 level, or the bearing clearance is too large/too small, and the shaft system moves or tilts during operation, damaging the gear meshing position. 2. The assembly process operation deviation axis is not calibrated properly.

  February 24, 2026
• How will the wear of the CWU250-50-IF worm gear reducer change under different operating conditions?

  There are significant differences in the wear of the CWU250-50-IF worm gear reducer under different operating conditions, which are mainly affected by factors such as load, environment, lubrication conditions, and operating time. The following is an analysis of wear changes based on typical working conditions: 1. Wear characteristics under high load conditions When the reducer operates at conditions close to or exceeding the rated torque for a long time, the worm gear pair bears greater contact stress, leading to accelerated wear. ‌Tooth surface gluing and pitting‌: High load causes the oil film on the tooth surface to rupture, and direct metal contact generates local high temperatures, causing worm gear tooth surface gluing (adhesive wear), followed by pitting and spalling. ‌Transmission efficiency decreases‌: Increased friction causes efficiency to drop from normal 70%-90% to below 50%, energy loss increases, and temperature rise intensifies. ‌It is recommended that the control load does not exceed 80%-100% of the rated value‌ to avoid continuous overload operation. 2. The wear mechanism in dusty and humid environments is used in harsh environments such as mining and metallurgy.

  February 24, 2026
• What are the typical application scenarios of WPEDO70-120-300-0.75KW?

  WPEDO70-120-300-0.75KW worm gear reducer is widely used in a variety of industrial scenarios, especially suitable for equipment that requires stable transmission, medium and low speed and high torque output. According to its model parameters and structural characteristics, this reducer has outstanding performance in automated production lines, light industrial machinery and general industrial equipment. 1. Typical application scenarios ‌ 1. Assembly line equipment ‌ is used in various assembly lines and conveyor belt drive systems to achieve uniform and smooth transmission, and is suitable for automated production processes in electronics, food, daily chemical and other industries. ‌2. Food packaging machinery‌In sealing machines, balers, filling machines and other equipment, this reducer can provide precise transmission control to meet hygiene and continuous operation requirements. 3‌. Welding equipment‌ is used for welding positioners or transmission mechanisms, with self-locking features to prevent workpiece slippage and improve operating safety and positioning accuracy. ‌4. Textile printing and dyeing machinery‌ is used in fabric traction and winding devices and has good speed.

  February 23, 2026
• Technical parameters and performance characteristics of WPEDO100-155-150-2.2KW worm gear reducer

  The technical parameters and performance characteristics of WPEDO100-155-150-2.2KW worm gear reducer are as follows: Core technical parameters Transmission type: two-stage worm gear, space orthogonal shaft transmission total reduction ratio: 150 (typical two-stage combination: 10×15, 15×10, etc.) Input speed: standard 1450r/min (4 pole motor) Output speed: about 1450÷150≈9.67r/min Rated power: 2.2kW (matching 4-pole asynchronous motor) Output torque: about 1800–2200N·m (estimated based on efficiency η≈0.6) Efficiency: double-stage worm gear about 55%–65% (lower than single-stage) Self-locking: with (small number of worm heads, suitable for braking/ Anti-reverse scenario) Installation form: Horizontal (foot installation), motor direct connection flange Input box material: HT250 cast iron (100/155 gauge

  February 23, 2026