Article List
-
How to adjust the meshing gap between the cycloidal wheel and the pin gear shell of the BLEY3922-5133-0.55KW reducerAdjust BLEY3922-5133-0.55kW The meshing gap between the cycloid wheel and the pin gear shell of the cycloidal pin wheel reducer is a key operation to ensure smooth transmission, reduce noise, and extend the service life. The standard range of the meshing gap of this model is 0.15~0.30mm. The specific adjustment steps are as follows: 1. Gap measurement and marking before disassembly. First, manually rotate the input shaft, feel the rotation resistance and record the abnormal position; then use a feeler gauge to measure the gap between the cycloidal wheel tooth top and the pin tooth pin, and mark the area where the gap is too large or too small to provide reference for subsequent adjustments. If the reducer has a double cycloid structure, alignment marks must be made on the two cycloid wheels, eccentric sleeve, and output flange to avoid assembly phase errors after disassembly and affecting the gap adjustment accuracy. 2. Disassemble the core components and clean and inspect them. Remove the motor, input shaft end cover, output flange, pin bushing and pins in sequence, and take out the two cycloid wheels. Please note that it is forbidden to knock the cycloidal wheel and pin teeth during disassembly.
-
How to control the start, stop and operating load of the motor supporting the BLEY4527-595-4KW cycloidal reducerThe core of controlling the start, stop and operating load of the motor supporting the BLEY4527-595-4kW cycloidal pinwheel reducer is to match the motor characteristics and the working condition requirements of the reducer to avoid start-stop impact damage to transmission components and overload operation to shorten the life of the equipment. Specifically, precise control can be achieved through the three dimensions of electrical control, mechanical protection, and working condition optimization. The operation method is as follows: 1. Smooth control of motor start and stop (reduce impact load). The reducer has a reduction ratio of 595. It is a large reduction ratio and low-speed model. The instantaneous impact when the motor starts and stops will be amplified, which can easily cause the cycloid wheel and pin tooth pin to break. The following electrical and operating methods need to be used to buffer the impact: 1. Electrical control scheme (preferred) (1) Install a frequency converter for speed control starting with a matching 4kW motor. Use a general-purpose frequency converter (adaptive motor power ≥5.5kW to avoid overload), and set a soft start/ Soft stop parameters: Set the start time to 5~10s and stop
-
What are the technical parameters of RF87-NA45-Y112-D340 reducer?The core technical parameters of RF87-NA45-Y112-D340 reducer are as follows: 1. Model meaning Disassembly of RF87: R series helical gear hard tooth surface reducer, F = flange installation, 87 = frame size (medium size) NA45: hollow shaft output, shaft diameter φ45mm (with locking disc/expansion sleeve) Y112: adapted to IEC standard Y series motor, frame size 112 (common 4 pole, power about 4kW) D340: center distance/installation distance 340mm (or flange installation size code) 2. Core performance parameters (RF87 series general + model corresponding) Adapted motor: Y112 base, 4P (1450r/min), about 4kW standard three-phase asynchronous, can be equipped with frequency conversion/brake/explosion-proof reduction ratio range: single machine: 1.39~246.54; commonly used: 3.33/
-
What are the adaptable working conditions of RF67-11.54-2.2KW reducer in mining machinery?RF67-11.54-2.2kW reducer belongs to R series hard tooth surface helical gear reducer, frame number 67, reduction ratio 11.54, adaptable to 2.2kW The motor, with its characteristics of small size, medium torque and impact resistance, is highly consistent with the working conditions of small and medium-sized auxiliary equipment in mining machinery. The specific adapting working conditions are as follows: 1. The power transmission of small mining conveying equipment is suitable for small belt conveyors, scraper conveyors, screw feeders and other equipment underground or on the ground, such as scattered material transfer in mine tunnels, quantitative feeding of powder in mineral processing plants, and material transportation at the discharge port of silos. The reduction ratio of 11.54 can convert the motor's high speed into medium and low speed output (when the input is 1450r/min, the output speed is about 125.6r/min). The 2.2kW power is enough to drive a small conveying mechanism. The hard tooth surface gear can cope with the slight impact load when conveying materials such as ore and coal powder.
-
What are the advantages and disadvantages of hard tooth surface reducer and soft tooth surface reducer?The advantages and disadvantages of hard tooth surface reducer and soft tooth surface reducer are as follows: 1. Advantages and disadvantages of hard tooth surface reducer 1. Advantages: (1) The tooth surface hardness is high, generally above HRC58, and the wear resistance is excellent. It can withstand higher contact stress and impact load. The load-bearing capacity is 2-3 times higher than that of the soft tooth surface reducer of the same specification. It is suitable for heavy load, high speed, and frequent start and stop conditions. (2) The transmission efficiency is high, reaching 96%-98%. The tooth surface has been quenched and ground, with high tooth profile precision, small meshing clearance, lower vibration and noise during operation, and strong operating stability. (3) Long service life. Under the conditions of standardized lubrication and maintenance, the service life can reach 10-20 years, which is much higher than that of soft tooth surface reducers, which can reduce the frequency of equipment replacement and shutdown maintenance. (4) Compact structure, with the same load capacity, the volume and weight are 15%-30% smaller than that of soft tooth surface reducers, saving installation space and adapting to a variety of compact equipment
-
Which type of lubricating oil is recommended for BLD16-23-22KW cycloidal pinwheel reducer?BLD16-23-22KW cycloidal pinwheel reducer (horizontal, 22kW heavy load) recommends the use of ISO VG 150/220 extreme pressure (EP) industrial gear oil. Adjust accordingly when the ambient temperature and working conditions are different. The following are recommendations and supplementary instructions: Normal working conditions at normal temperature (0-40℃): Priority is given to ISO VG 150 extreme pressure industrial gear oil, which meets 22kW It meets the anti-wear and load-bearing requirements of power, adapts to most continuous operation scenarios, has strong versatility and high cost performance. Heavy load/high temperature working conditions (>40°C, impact load, long-term full load): Upgrade to ISO VG 220/320 extreme pressure industrial gear oil to improve oil film strength and thermal stability and reduce the risk of wear. Low temperature working conditions (-10-0℃): Use ISO VG 68/100 extreme pressure industrial gear oil to avoid high viscosity at low temperatures, which may cause difficulty in starting and poor lubrication.
-
How to judge whether the gear mesh of RXF107-NA432-30KW-D350-M4 reducer is goodJudgmentRXF107-NA432-30KW-D350-M4 Whether the gear meshing of the reducer is good or not requires a combination of static detection during shutdown and dynamic monitoring during operation to comprehensively determine from the tooth surface contact status, operating parameters, vibration and noise, etc. The specific steps are as follows: 1. Static detection during shutdown (core determination method) 1. Red red powder coating detection method (the most intuitive) (1) Clean the observation hole of the reducer to ensure that there is no oil or impurity on the gear surface; (2) Evenly apply a thin and uniform layer of red red powder (or blue oil) on the tooth surface of the driving gear; (3) Manually turn the car slowly for 3~5 circle, so that the driving and driven gears are fully meshed; (4) Observe the contact traces on the tooth surface of the driven gear. The criterion for good meshing is: the contact traces are distributed in the middle area of the tooth surface, with no upward, downward, left, or right phenomena; contact area: hard tooth surface gear ≥ 60%, soft tooth surface gear ≥ 70%; traces are continuous without interruption, no obvious
-
What safety accidents may be caused by poor gear meshing of the GR107-Y3-4P-11.59 reducer?Poor gear meshing of the GR107-Y3-4P-11.59 reducer may indeed cause safety accidents. The core risks are mechanical structure damage, electrical system overload and personal injury. 1. Safety accidents caused by damage to mechanical structures 1. Risk of gear breakage or tooth chipping : Consequences: Broken gear fragments may fly, causing scratches and smashing of personnel (especially in open transmission systems). The gear falling off will cause the transmission to be interrupted and cause the equipment to lose control (such as the emergency stop of the elevator or the sudden stop of the conveyor line causing material accumulation and collapse). Cause: Long-term overload causes fatigue fracture of the tooth root (exceeding the material fatigue limit); sudden impact load (such as falling heavy objects) causes the gear to collapse due to instantaneous overload. 2. Risk of bearing locking or fragmentation: Consequences: Bearing locking causes severe vibration of the shaft system, which may cause the reducer housing to crack, bolts to loosen and fall off, and even the equipment toppling. Crushed bearing balls/cages getting into gear mesh
-
How to troubleshoot the source of abnormal noise in the TPA315-40-1 worm gear reducerTo investigate the source of abnormal noise of the TPA315-40-1 worm gear reducer, you need to follow the principle of 'first external then internal, first static then dynamic, first simple then complex', and locate the fault point through step-by-step detection. The specific operations are as follows: Step 1: External static inspection (stop power, no disassembly) 1. Inspect the connecting parts, remove the coupling protective cover, and check the elastomer/ Check whether the pins are aged, broken, or fallen off, and whether the coupling bolts are loose or slippery; shake the coupling by hand. If the radial movement is >0.05mm, it means the fit is loose or the coaxiality is out of tolerance. Check the tightening status of the anchor bolts, and retest the torque with a torque wrench (according to the requirements of the equipment manual, for example, the torque of M20 bolts is about 280-320N·m); observe whether the base gasket has collapsed and whether there are cracks in the foundation. If there are signs of resonance, it is most likely that the foundation stiffness is insufficient or the bolts are loose, causing abnormal noise. 2. Inspect seals and ancillary components. Check the end cover oil seal,
-
Will the abnormality of TPA125-25-1 worm gear reducer affect its transmission efficiency?The abnormal state of the TPA125-25-1 worm gear reducer will directly lead to a significant decrease in transmission efficiency. Different abnormality types have different effects on efficiency. The specific correlation is as follows: 1. Abnormality in the meshing system: the efficiency decreases most significantly. If the worm gear meshing gap is too large, pitting/gluing/peeling occurs on the tooth surface, or the coaxiality and parallelism are extremely poor after installation, the tooth surface contact area will be reduced, and additional impact and sliding friction losses will occur during meshing. Under normal working conditions, the transmission efficiency of this type of reducer is about 75%-85% (the worm gear is made of tin bronze). When the meshing is abnormal, the efficiency will drop to 50%-60%. When the tooth surface is seriously damaged, the efficiency drop can reach more than 40%. 2. Failure of the lubrication system: Friction loss increases sharply. Insufficient amount of lubricating oil, deterioration of oil quality (mixed with wear debris/moisture) or mismatched model (not using special extreme pressure oil for worm gears) will result in the inability to form an effective oil film on tooth surfaces and bearings.