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China Manufacture Reduction Gear Box Speed Reducer for Crane gearbox drive shaft

Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Construction works
Weight (KG): 1 KG
Gearing Arrangement: Helical
Output Torque: 2.6-1195N.M
Input Speed: 14-280r/min
Output Speed: 14-280r/min
Application: electric winch, all kinds of cranes
Mounting mode: foot mounted, flange mounted, short flange mounted, torque arm mounted
Output shaft: solid shaft, hollow shaft
Transmission stage: 2 stages or 3 stage
Material: cast iron
Product name: Manufacture Reduction Gear Box / Speed Reducer for Crane
Warranty: 12 Months
Certificate: CE Certificate
Packing: Wooden Box
Color: Customer Request
Packaging Details: Manufacture Reduction Gear Box / Speed Reducer for Crane 1. Inner: plastic bag or stretch film 2. Outside Small size: standard export packing (plywood box). Big size: non-wood packing material carton or fumigated wood carton. Electric parts are packed in wooden boxes.
Port: HangZhou ZheJiang or ZheJiang port, China

Manufacture Reduction Gear Box / Speed Reducer for Crane is widely used in metallurgy, mining, lifting, transportation, cement, construction, chemical, textiles, printing and dyeing, pharmaceutical and other fields. It can be used in the electric winch, all kinds of cranes.
1. High modularization design: many equip with various motor or other power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type.
2. Transmission ratio: fine division, wide scope. Manufacture Reduction Gear Box / Speed Reducer for Crane combined machine type may form very large transmission ratio, i.e. output very low rotary speed.
3. Form of installation: the position to be installed is not limited.
4. High strength, compact: Manufacture Reduction Gear Box / Speed Reducer for Crane box body is made of high strength cast iron. Gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, 1793876 V stay control arm for European trucks DAF F90 FCFXF therefore the bearing capacity of unit volume is high.
5. Long life: Under the condition of correct type chosen (including choosing suitable operation parameters) normal operation and maintenance, the life of main parts of speed reducer (except wearing parts) should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
6. Low noise: because main parts of speed reducer are processed, assembled and tested critically, therefore the noise of speed reducer is low.
7. Parallel axis -bevel wheel speed-down motor.
Main Features1. High modular design, flexible mounting mode.
2. Integrated casting housing, compact dimension, stable transmitting and low noise level.
3. Perfect oil leakage preventing makes the good sealing and can be used in wide range of industry.
4. Advanced gear grinding and modified profile, high loading support and more safe operation.
5. High efficiency and save power.
6. Save cost and low maintenance.
Detailed Images Our Company ZheJiang Shenghua Heavy Crane Group is a big enterprise specialized in researching, developing, producing and exporting.It mainly produces overhead crane, gantry crane, launching gantry crane and beam launcher, movable scaffolding system crane, form traveller, straddle carrier, tyre transporter, beam trolley, portal crane and electric winch, Manufacture Reduction Gear Box / Speed Reducer for Crane, electric hoist and all kinds of accessories, which widely cover machinery, metallurgy, High quality factory customization crib spare parts box plastic manufacture part custom plastic injection molded part electric power, railway, water conservancy, ports, terminals and other industries.Shenghua Heavy Crane Group have more than 600 staff, and covers 200,000 square meters. CZPT to self-complete lathe, milling, plHangZhou, grinding, pull, boring, rolling, drilling, punching, cutting, bending, plate rolling, plug weld, testing and heat treatment etc all kinds of process.Our advantages:1. More than 50 R&D personnel with advanced Science and technology.2. More than 400 sets advanced Production processing equipment and inspection equipment.3. Independent intellectual property rights to develop energy saving bridge cranes, gantry cranes, and electric hoist.4. Obtain ISO 9001 certificate and more than 10 series of patent certificates.5. Efficient service and competitive products.6. Export more than 100 countries.
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Finished Project Certifications Contact Us

Key Market Insights Related to Worm Reduction Gearboxes

A gearbox is a mechanical device that allows you to shift between different speeds or gears. It does so by using one or more clutches. Some gearboxes are single-clutch, while others use two clutches. You can even find a gearbox with closed bladders. These are also known as dual clutches and can shift gears more quickly than other types. Performance cars are designed with these types of gearboxes.
gearbox

Backlash measurement

Gearbox backlash is a common component that can cause noise or other problems in a car. In fact, the beats and sets of gears in a gearbox are often excited by the oscillations of the engine torque. Noise from gearboxes can be significant, particularly in secondary shafts that engage output gears with a differential ring. To measure backlash and other dimensional variations, an operator can periodically take the output shaft’s motion and compare it to a known value.
A comparator measures the angular displacement between two gears and displays the results. In one method, a secondary shaft is disengaged from the gearbox and a control gauge is attached to its end. A threaded pin is used to secure the differential crown to the secondary shaft. The output pinion is engaged with the differential ring with the aid of a control gauge. The angular displacement of the secondary shaft is then measured by using the dimensions of the output pinion.
Backlash measurements are important to ensure the smooth rotation of meshed gears. There are various types of backlash, which are classified according to the type of gear used. The first type is called circumferential backlash, which is the length of the pitch circle around which the gear rotates to make contact. The second type, angular backlash, is defined as the maximum angle of movement between two meshed gears, which allows the other gear to move when the other gear is stationary.
The backlash measurement for gearbox is one of the most important tests in the manufacturing process. It is a criterion of tightness or looseness in a gear set, and too much backlash can jam a gear set, causing it to interface on the weaker part of its gear teeth. When backlash is too tight, it can lead to gears jamming under thermal expansion. On the other hand, too much backlash is bad for performance.

Worm reduction gearboxes

Worm reduction gearboxes are used in the production of many different kinds of machines, including steel and power plants. They are also used extensively in the sugar and paper industries. The company is constantly aiming to improve their products and services to remain competitive in the global marketplace. The following is a summary of key market insights related to this type of gearbox. This report will help you make informed business decisions. Read on to learn more about the advantages of this type of gearbox.
Compared to conventional gear sets, worm reduction gearboxes have few disadvantages. Worm gear reducers are commonly available and manufacturers have standardized their mounting dimensions. There are no unique requirements for shaft length, height, and diameter. This makes them a very versatile piece of equipment. You can choose to use one or combine several worm gear reducers to fit your specific application. And because they have standardized ratios, you will not have to worry about matching up multiple gears and determining which ones fit.
One of the primary disadvantages of worm reduction gearboxes is their reduced efficiency. Worm reduction gearboxes usually have a maximum reduction ratio of five to sixty. The higher-performance hypoid gears have an output speed of around ten to twelve revolutions. In these cases, the reduced ratios are lower than those with conventional gearing. Worm reduction gearboxes are generally more efficient than hypoid gear sets, but they still have a low efficiency.
The worm reduction gearboxes have many advantages over traditional gearboxes. They are simple to maintain and can work in a range of different applications. Because of their reduced speed, they are perfect for conveyor belt systems.
gearbox

Worm reduction gearboxes with closed bladders

The worm and the gear mesh with each other in a combination of sliding and rolling movements. This sliding action is dominant at high reduction ratios, and the worm and gear are made of dissimilar metals, which results in friction and heat. This limits the efficiency of worm gears to around thirty to fifty percent. A softer material for the gear can be used to absorb shock loads during operation.
A normal gear changes its output independently once a sufficient load is applied. However, the backstop complicates the gear configuration. Worm gears require lubrication because of the sliding wear and friction introduced during movement. A common gear arrangement moves power at the peak load section of a tooth. The sliding happens at low speeds on either side of the apex and occurs at a low velocity.
Single-reduction gearboxes with closed bladders may not require a drain plug. The reservoir for a worm gear reducer is designed so that the gears are in constant contact with lubricant. However, the closed bladders will cause the worm gear to wear out more quickly, which can cause premature wear and increased energy consumption. In this case, the gears can be replaced.
Worm gears are commonly used for speed reduction applications. Unlike conventional gear sets, worm gears have higher reduction ratios. The number of gear teeth in the worm reduces the speed of a particular motor by a substantial amount. This makes worm gears an attractive option for hoisting applications. In addition to their increased efficiency, worm gears are compact and less prone to mechanical failure.

Shaft arrangement of a gearbox

The ray-diagram of a gearbox shows the arrangement of gears in the various shafts of the transmission. It also shows how the transmission produces different output speeds from a single speed. The ratios that represent the speed of the spindle are called the step ratio and the progression. A French engineer named Charles Renard introduced five basic series of gearbox speeds. The first series is the gear ratio and the second series is the reverse gear ratio.
The layout of the gear axle system in a gearbox relates to its speed ratio. In general, the speed ratio and the centre distance are coupled by the gear axles to form an efficient transmission. Other factors that may affect the layout of the gear axles include space constraints, the axial dimension, and the stressed equilibrium. In October 2009, the inventors of a manual transmission disclosed the invention as No. 2. These gears can be used to realize accurate gear ratios.
The input shaft 4 in the gear housing 16 is arranged radially with the gearbox output shaft. It drives the lubricating oil pump 2. The pump draws oil from a filter and container 21. It then delivers the lubricating oil into the rotation chamber 3. The chamber extends along the longitudinal direction of the gearbox input shaft 4, and it expands to its maximum diameter. The chamber is relatively large, due to a detent 43.
Different configurations of gearboxes are based on their mounting. The mounting of gearboxes to the driven equipment dictates the arrangement of shafts in the gearbox. In certain cases, space constraints also affect the shaft arrangement. This is the reason why the input shaft in a gearbox may be offset horizontally or vertically. However, the input shaft is hollow, so that it can be connected to lead through lines or clamping sets.
gearbox

Mounting of a gearbox

In the mathematical model of a gearbox, the mounting is defined as the relationship between the input and output shafts. This is also known as the Rotational Mount. It is one of the most popular types of models used for drivetrain simulation. This model is a simplified form of the rotational mount, which can be used in a reduced drivetrain model with physical parameters. The parameters that define the rotational mount are the TaiOut and TaiIn of the input and output shaft. The Rotational Mount is used to model torques between these two shafts.
The proper mounting of a gearbox is crucial for the performance of the machine. If the gearbox is not aligned properly, it may result in excessive stress and wear. It may also result in malfunctioning of the associated device. Improper mounting also increases the chances of the gearbox overheating or failing to transfer torque. It is essential to ensure that you check the mounting tolerance of a gearbox before installing it in a vehicle.

China Manufacture Reduction Gear Box Speed Reducer for Crane gearbox drive shaft China Manufacture Reduction Gear Box Speed Reducer for Crane gearbox drive shaft
editor by czh2023-02-17

China K series right angle gear box geared motor bevel gear hollow shaft with torque arm for tower crane gearbox definition

Warranty: 1 years, 12months
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Retail, Construction works , High quality JD-power DCH-9026J dc high torque flat gimbal hollow shaft brushless 12v motor with hall sensor Energy & Mining
Weight (KG): 100 KG
Customized support: OEM, ODM, OBM
Gearing Arrangement: Bevel / Miter
Output Torque: up to 40000Nm
Input Speed: 650-3360rpm
Output Speed: 0.15~270rpm
Material of housing: HT250 cast iron
Material of gear: 20CrMnTi with high precision grinding
gear surfcae finishing: between16.-3.2μm
Material of shaft: 40Cr with carburizing and quenching
Input format: IEC flange, direct with motor, shaft input
Lubricant: Shell Omala220 or equivalent
Gear Ratio: any ratio custom made
OEM service: available
Application: packing machine, food process, Precision China Metal Factory Injection Mold Mold Mold Tooling Parts lift, crane, agitator, feeder
Packaging Details: Export Standard wooden case, plywooden case with pallet
Port: HangZhou/ZheJiang

We are manufacturing K Series bevel helical geared motors which offer ratios from 6:1 to 180:1 in 3 stages. Motors are available up to 90kW and output torque capacity up to 12,300 Nm.The K Series Helical Bevel Geared Motor is designed with integral cast feet for base or end mounting and can be offered with single or double extended output shafts. Bevel Helical Geared Motor Units are also available shaft mounted or with output flanges and are available for mounting horizontally or vertically. The units can also be offered with a bolt on torque reaction bracket and all variants are available either motorized or with an input shaft assembly.
SPECIFICAITON

Housing material
High-strength cast iron HT250
Gear material
20CrMnTi
Input Power
0.12-200KW
Output Torque
3.5-21700N.m
Output Speed
5-371 RPM
Gear Accuracy
7 to 6 level
Gear Surface hardness
HRC58° HangZhou plastic moulding company custom pp plastic parts mold toy parts injection mold -62°
Input/Output shaft hardness
HB220-250
Noise(Max)
60-70dB
Tem.rise(Max)
40°C
Tem.rise(Oil Max)
50°C
Vibration
≤20um
Backlash
≤20Arcmin
Effeciency
Single stage 98%, American Standard Hendrickson torque arm use for truck Double-stage:96%, Three-stage:94%
Mounting Position
Foot / Flange Mounting
Motor
IP55,F Class

Advantages
Related Products

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!
gearbox

Components

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.
gearbox

Functions

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.
gearbox

Maintenance

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.

China K series right angle gear box geared motor bevel gear hollow shaft with torque arm for tower crane gearbox definition China K series right angle gear box geared motor bevel gear hollow shaft with torque arm for tower crane gearbox definition
editor by czh2023-02-17