Article List
-
How to repair and maintain the FF47-146-0.75KW reducer chassis vibratesFF47-146-0.75KW The maintenance and maintenance of vibration of the reducer case can be started from the following aspects: Maintenance method Check the installation status: Check whether the reducer base is installed at a level, and whether the anchor bolts and other connecting bolts are tight. If the base is uneven, the fixed base needs to be readjusted; if the bolts are loose, tighten in time to ensure that the reducer is installed firmly and the mass distribution is balanced. Check transmission parts: Check whether the gear has tooth surface wear, glue, pitting, wear deviation, etc. For severely worn gears, they need to be replaced in time. At the same time, check whether the bearing is worn or the gap is too large. If the bearing is damaged, replace the new bearing and ensure the installation is correct. In addition, you need to check whether the sliding keys of the high-speed shaft and the medium-speed shaft are worn out, and whether the pinion coupling bolts on the shaft are loose or broken. If there is any problem, you need to replace the sliding keys and broken bolts to tighten the loose bolts. Check the motor and load: Check the motor's supply voltage and frequency
-
Application field of WHC150-54-II arc cylindrical worm gear reducerWHC150-54-II arc cylindrical worm gear reducer is widely used in many fields, as follows: Metallurgical industry: It can be used in steel rolling mills, steel mills and other equipment, ore crushers, ball mills and other equipment. These equipment require large torque and stable transmission. The WHC150-54-II arc cylindrical worm gear reducer has large load-bearing capacity and stable working characteristics that can meet its needs. Mining industry: plays a role in mine hoists, belt conveyors, ventilation fans and other equipment. For example, when lifting ore and personnel, a reliable reduction gear is required to ensure safe and stable operation. The high load-bearing capacity and long life characteristics of the elevator make it suitable for such harsh working environments. Crane industry: such as port cranes, bridge cranes, electric hoists and other lifting equipment, which requires precise control of lifting and running speed. WHC150-54-II arc cylindrical worm gear worm
-
How to ensure the firmness of the installation foundation of the NGW73-224 planetary gear reducerTo ensure the firmness of the installation foundation of the NGW73-224 planetary gear reducer, you can refer to the following method: Choose a suitable installation position: The reducer should be installed in a horizontal and stable position, and the inclination should not exceed 10° to avoid the impact of vibration on the performance of the reducer. The installation surface should be strong and durable, able to withstand the weight of the reducer and load, while ensuring sufficient space is available for heat dissipation and maintenance. Making a solid foundation: The foundation should be made according to the requirements of the design drawings to ensure its accurate size. The material of the foundation can be concrete or metal. The thickness of the concrete foundation should generally be ≥200mm, and the hardness of the metal base plate should be ≥HB200. The flatness error of the foundation surface should be ≤0.1mm/m to ensure that the reducer base is closely fitted with the foundation. Correct fixing reducer: Use appropriate bolts to fix the reducer on the basis. The specifications of the bolts should be based on the model of the reducer and
-
Installation steps of WD250-53-V worm gear reducerThe installation of WD250‑53‑V (center distance 250 mm, i≈53, single-stage, V-shaped installation) is carried out according to the standard process of 'Preparation → Foundation and In-place → Centering → Lubrication and Ventilation → Running and Loading ', focusing on rigid foundations, precision centering on double-plane surfaces, correct oil filling and temperature rise monitoring. Standard installation steps: 1. Unboxing and checking to check that the nameplate is consistent with the model; check whether the appearance, oil seal, and ventilation device transportation blockage are intact; count the accessories. 2. The installation environment and foundation are dry and well ventilated, with a surrounding area of ≥500 mm of maintenance space; the ambient temperature is -5~+40℃. Rigid foundation, horizontality ≤0.1 mm/m; use anchor bolts and secondary grouting; first rough adjustment and then fine adjustment. 3. Fix and lift the foot in place; the foot and flange are not tight at the same time to prevent the body from deforming; gradually tighten to the specified torque according to the diagonal line. 4. Input shaft centering (motor end) double-meter method or laser centering; parallel
-
Which industries or application scenarios are more suitable for using B2SV05-5-B high-power gear boxB2SV05-5-B belongs to the B series direct-acoustic shaft high-power hard-tooth surface gear box, suitable for 'high power, high speed ratio, high torque, continuous heavy-load' working conditions. Typical industries and scenarios are as follows: Recommended industry and scenarios Metallurgy/Mines: rolling mills, continuous casting and continuous rolling, crushers, ball mills, bucket lifting machines, disc feeders and other heavy-load high-torque equipment. Electricity/cement/building materials: vertical mill, rotary kiln, cooler, grate colder, coal mill, conveyor line, etc., continuous operation and strong impact conditions. Port/lifting/Logistics: shore bridge/yard bridge, gantry crane, driving, stacker, belt conveyor, stacker, three-dimensional garage, etc. Environmental protection/water affairs: aeration/mixture, sludge treatment, grille/sludge scraper, etc. for sewage treatment. Chemical/Rubber/Plastics: reactor mixing, extruder, mixer, pulverizer, steaming off-machine, fermenter transmission, etc. Papermaking/Printing
-
How to optimize the box structure of B3SV7-L2-G1-43.52 industrial gearbox to improve performanceFocusing on the four main lines of 'stiffness, heat dissipation, vibration noise, and assembly accuracy', the closed-loop process optimization of the B3SV7-L2-G1-43.52 box can significantly improve load bearing, reduce temperature rise and noise, and improve long-term reliability. Model positioning and boundary B3SV7: B series right-angle transmission, hard toothed surface, heavy-duty modular design, mostly high-quality cast iron or welded steel, suitable for large torque and continuous heavy loads. L2: 2-stage transmission; G1: Installation/connection configuration; i=43.52: Total speed ratio. 1) Modeling and working condition definition (calibration basis) 3D modeling and FEA: box + bearing seat + key shaft system coupling; material and casting/welding process parameters are entered into the mold. Working conditions and loads: rated/peak torque, axial/radial force, thermal load; consider start-stop impact, gear meshing
-
Let me introduce the working principle of the NGW-L82-20-55KW planetary gear reducerThe NGW‑L82‑20‑55kW planetary gear reducer realizes speed reduction and torque increase through the rotation wheel system of 'Sun wheel → Planetary wheel → Internal ring gear': solar wheel input, internal ring gear fixation, and planet carrier output. It uses multiple teeth to simultaneously mesh to obtain high load-bearing and high efficiency. The dual-stage structure further expands the speed ratio and torque output. The basic composition of structure and working principle: sun gear (input), multiple planetary wheels, internal ring gear (fixed in the box), and planet carrier (output). Movement transmission: The sun gear drives the planet wheel to rotate both on and around the sun gear; the planet carrier converts the rotation of the planet wheel into output, achieving deceleration and increasing moment. Load balance: Use structures such as sun gear or planetary carrier floating to evenly distribute the loads of multiple planetary wheels to reduce vibration and noise. Transmission efficiency: The double-stage efficiency is about 94%-96%, and it can operate stably for a long time under rated operating conditions. Relationship between speed ratio and torque (principle) transmission ratio (common formula for single-stage, fixed ring gear, row
-
Maintenance points of WD120-23.5-1 Worm gear reducerWD120‑23.5‑1 is a single-stage worm gear reducer with a worm lower position, a center distance of 120 mm, and a nominal speed ratio of about 23.5. It is suitable for situations where large speed ratios, stable transmission and possible reverse self-locking; however, friction heating and centralization requirements are high, and strict lubrication and temperature rise management are required. Maintenance points (execute immediately) Installation and centering horizontally/firmly install, elastic coupling for input and toothed coupling for output, hammering and assembly and disassembly are strictly prohibited; the centering error of the whole machine ≤ the allowable compensation amount of the coupling. After installation, the manual wheel is flexible; no load is 1-3 hours, part load is intermittently operated and then full load, and the temperature rise and noise are monitored during the period. Lubrication and oil change for the first time, change the oil for 300–500 hours; then continuously run every 2000–3000 hours or 6 months, ≤10 hours/day every 4000 hours or 12 months; change the oil with the same brand and clean it and then add new oil. stop
-
NGW-S52-11-1 How to determine whether the oil temperature is normal during daily operation of the planetary gear reducerAccording to the three indicators of 'actual oil temperature + surface temperature + temperature rise rate': the actual oil temperature is ≤95 ℃, the surface temperature is ≤85 ℃, and the temperature rise is ≤ambient temperature + 40 K; if any exceeds the limit or rises rapidly within 15 minutes, stop the machine and check immediately. Determination standard (applicable to NGW-S52-11-1) Upper oil temperature limit: ≤95 ℃ (equilibrium oil temperature). Surface temperature: ≤85 ℃. Temperature rise rate: A warning will be made if it rises rapidly within 15 minutes. Ambient temperature: -40~40 ℃; preheat or use low condensed oil when <0 ℃. Daily judgment steps (can be performed directly) Measure the oil temperature: After shutdown for ≥10 minutes, insert the rod thermometer from the dipstick/sampling port for ≥2 minutes to read; during operation, the fixed temperature measurement point close to the oil tank shall prevail. Review surface: Use an infrared thermometer to measure the middle part of the housing or bearing seat, ≤85 ℃; when the oil temperature is ≥85 ℃ and the oil temperature is close to 95 ℃,
-
What are the key points for choosing a model of WPDS155-20-A-5.5KW worm gear reducerWhen selecting WPDS155-20-A-5.5kW, the closed-loop calibration of 'Load → Speed/Speed Ratio → Heat Balance → Installation and Interface → Environment and Maintenance' should be implemented to ensure that the torque, temperature rise and adaptability meet the standards at the same time. Core key points Load and torque: clarify the continuous/peak torque and operating condition coefficient, ensure ≤ the sample allowable value, and avoid impact overload. Speed to speed ratio: Input speed ≤1500 r/min; press n motor/n output to confirm or select i=20 nearby. Thermal balance and efficiency: WPDS155 i=20 Efficiency is about 60%-71%, and the temperature rise is calculated based on this; >40℃ or high load requires cooling/derating. Installation and shaft position: Confirm the A position details and space of 'Input shaft on + Motor flange' and check that the motor flange matches the shaft extension. Environment and lubrication: -40℃～+40℃; <0℃ preheat lubricating oil, >40