Warranty: 1 year
Applicable Industries: Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Other, Advertising Company, Factory
Weight (KG): 100
Customized support: OEM, ODM, OBM
Gearing Arrangement: worm
Output Torque: 2.6-3571N.M
Input Speed: 1400(4pole)
Output Speed: 14~280rpm
Color: Silver, blue
Texture: Aluminum/steel housing Worm wheel
Gear Material: 20CrMnTi
Input/out shaft material: steel-45#
Bearings Brand: China top brand/as request
Oil sealing: NAK
Port: ZheJiang /HangZhou
China manufacturer vf hand worm gearbox power toolsProduct ApplicationRV series worm speed reducer,Single ,double and universal speed reducer.1 High quality, It adopts hard tooth gear with high accuracy2 Large output torque,stable transmission with lower noise3 High heat-radiating efficiency,elegant shape,durable service life 4,Suitable for omni-bearing installation4 Low noise and smooth running5 Worm drive uses hollow flank worm6 High loading capacity, low in temperature rise and the long useful life7 Few difference between transmission ratio rate, I = 6~138008 Compact structure, small size, convenient maintenance9 Are based the unique modulation combination system, so its convenient for them to fit all types of motors or to connect with other power input. The same type of reducer can fit motors with different power, so that its possible for different types of machines to combine or connect.The gearboxes can be applied to many industrial area, such as Metallurgical, mines, lifting, transportation, petrochemical, construction, textile, pharmaceutical, food, environmental, light electric, plastic machine, paper, parking equipment and so on. Our technical engineers can choose model for you according to your Request, and we also can supply our factory catalogue for your reference.Worm Gear Speed Reducer/ gearbox Worm Gear Speed Reducer/ gearboxModelNMRV25/30/40/50/63/75/90/100/130/150Ratio7.5,10,15,20,25,30,40,50,60,80,100.ColorBlue(RAL5571)/Silver grey (RAL9006) Or On Customer RequestMaterialAluminum alloyWorm wheel: Aluminum Bronze or Zinc BronzeWorm shaft: 20CrMn TiOutput Shaft: steel-45#PackingCarton, Honey Comb Carton, Wooden Case with wooden palletWarranty1 YearInput Power0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW, SM2006 NEMA8 12v dc motor micro linear stepper motor 4KW,5.5KW,7.5KW,11Kw and so onUsagesIndustrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.IEC FlangeIEC standard flange or on customer requestLubricantSynthetic oil or worm gear oil Specification: Model:NMRV25-150Ratio:1:7.5,10,15,20,25,30,40,50,60,80,100Color:Blue/Silver Or On Customer RequestMaterial:Housing: Die-Cast Aluminium AlloyWorm Gear-Copper-10-3#Worm-20CrMnTi with carburizing and quenching, surface harness is 56-62HRCShaft-chromium steel-45#Packing:Carton and Wooden CaseBearing:C&U Bearing and equivalent Chinese brandInput Power:0.06KW,0.09KW,0.12KW,0.18KW,0.22KW,0.25KW,0.37KW,0.55KW,0.75KW,1.1KW,1.5KW,2.2KW,4KW,5.5KW,7.5KWUsages:Industrial Machine: Food processing, Ceramics, Conveyor, Packing, Dyeing,Woodworking, Glass.IEC Flange:56B5,56B14,63B5,63B14,71B5,71B14,80B5,80B14,90B5,90B14,100B5,100B14,112B5,112B14Lubricant:Synthetic & Mineral NMRV series gearbox high power gear speed reducer gearbox for windType NMRV63Power0.06-7.5KWOutput Speed0.3-419RPMOutput Torque2.6-4596NMRatio7.5-5000Standard voltage and frequency380V&50HZProduction time 25-30DAYSAdvantages1.Compact structure, light weight, large torque and excellent performance.2. Stable in running, low in noise, large in load, low in consumption, efficient in transmission, low in temperature and long inservice life.Service1 .Rich export experience more than 14 years2 .Devote to transmission systematize solution more than 21 years experience3. we passed CE &ISO9001&ISO14001 certified4. 100% Payment protection5. 100% Product quality protection6.Provide consultation and after-sale, Tractor Atv 2 Speed Transmission Gearbox experienced engineers Components:1. Housing: Die-cast Aluminium Alloy Gearbox (RV571~RV090)Cast Iron Gearbox (RV110~RV150)2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding4. Input Configurations:Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor), IEC-normalized Motor FlangeSolid Shaft Input, Worm Shaft Tail Extension Input5. Output Configurations: Keyed Hollow Shaft OutputHollow Shaft with Output Flange, Plug-in Solid Shaft Output6. Spare Parts: Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover7. Gearbox Painting: Aluminium Alloy Gearbox:After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5571 Gentian Blue or RAL 7035 Light GreyCast Iron Gearbox:After Painting with Red Antirust Paint, Paint with the Color of RAL 5571 Gentian BlueModels:Hollow Shaft Input with IEC-normalized Motor Flange, RV571~RV150, Solid Shaft Input, RV571~RV150Features:1. Quality aluminum alloy gear box, light weight and not rust2. 2 optional worm wheel materials: Tin bronze or aluminum bronze alloy3. Standard parts and very flexible for shaft configurations and motor flange interface4. Several optional mounting options5. Low noise, High efficiency in heat dissipation ModelsRated PowerRated RatioInput Hole Dia.Input Shaft Dia.Output Hole Dia.Output Shaft Dia.RV5710.06KW~0.12KW5~60Φ9Φ9Φ11Φ11RV0300.06KW~0.25KW5~80Φ9(Φ11)Φ9Φ14Φ14RV0400.09KW~0.55KW5~100Φ9(Φ11,Φ14)Φ11Φ18(Φ19)Φ18RV0500.12KW~1.5KW5~100Φ11(Φ14,Φ19)Φ14Φ25(Φ24)Φ25RV0630.18KW~2.2KW7.5~100Φ14(Φ19,Φ24)Φ19Φ25(Φ28)Φ25RV571.25KW~4.0KW7.5~100Φ14(Φ19,Φ24,Φ28)Φ24Φ 0.37kw cast iron worm gear series helical gear with shaft RV50# reducer 28(Φ35)Φ28RV0900.37KW~4.0KW7.5~100Φ19(Φ24,Φ28)Φ24Φ35(Φ38)Φ35RV1100.55KW~7.5KW7.5~100Φ19(Φ24,Φ28,Φ38)Φ28Φ42Φ42RV1300.75KW~7.5KW7.5~100Φ24(Φ28,Φ38)Φ30Φ45Φ45RV1502.2KW~15KW7.5~100Φ28(Φ38,Φ42)Φ35Φ50Φ50 Ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 ColorSilver, blueGear Material20CrMnTiTextureAluminum/steel housing Worm wheelInput/out shaft materialsteel-45#Ratio5~100Bearings BrandChina top brand/as requestPower0.06~15kwOil sealingNAK Company Profile HangZhou Minghong Reducer co., Ltd has been in power transmission products for 15 years. Our factory is located in HangZhou city, we are an industry transmission solutions manufacuturer and service provider. The main products are worm reducers, helical worm reducers, helical bevel gear reducers, 90 degree gearbox, spiral bevel reducers, screw jack, standard industrial gearbox etc. Our speed reducer and industrial gearbox are widely used in different factories, such as chemicals, energy, material handling, environmental, extraction, pulp and paper, steel and metal, food and beverage, and construction industries.We have strong technical ability, manufacturing according to the ISO9002 quality control system guidelines. Our industrial Gear, Gearbox, gearmotor and motor are sold to more than 30 countries. High quality, Super Quality Wear Resistance Roller Bearing U Groove Pulley good price, in time response and sincere service are our value and promises. We aim at making happy cooperation with our customers, bring them reliable and comfortable service.. Factory Packing
The Parts of a Gearbox
There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!
Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.
A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.
Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.