China Lyhy Slewing Gear for Container Cranes (21′′) gear cycle

Merchandise Description

CZPT Bearing is limited for HangZhou CZPT Specific Large-Duty AND Massive BEARING Production CO., LTD.

. Introduction of CZPT hefty load slewing push
Slewing Generate is also referred to as slewing equipment, worm gear, worm push, rotary travel, slew drive, worm equipment reducer and rotary travel unit. At existing the vast majority of this sort of devices are caller Slewing Generate.
LYHY heavy load slewing drive is typically composed of a slewing ring, worm, casting housing, and standard components likebearing and bolts, and many others. While utilised in photovoltaic electrical power era system, the slewing travel is typically employed in combination with DC planetary pace reducer motor and AC velocity reducer motor. Even though employed in engineering products, it is often utilized in mixture with hydraulic motor to operate as power driving method.

two. Construction
According to the raceway diameter of the slewing ring, a hefty load slewing generate consist of M3 ich, M5 inch, M7 inch, M9 inch, M12 inch, M14 inch, M17 inch, M21 inch, M25inch, H14 inch, H17 inch, H21 inch and H25 inch.

3. Attributes:
Large load slewing push is a special bearing. And a slewing generate is generally composed of a slewing ring, worm, casting housing, and regular elements like bearing and bolts, and many others.
Slewing drive is CZPT to sustain much more axial load, radial load and tilting second. Turntable or body rotates at azimuth and elevation driven by slewing generate.

four. Application:
Slewing drives are broadly used in photo voltaic electrical power technology monitoring method, timber grab, particular automobile, weighty-obligation flat-panel truck, container cranes, overhead doing work truck, truck mounted crane, car crane and aerial automobiles, cranes, gantry cranes, tiny wind electricity stations, room communications, satellite receiver, and so on.

LYHY can also design and make other regular and non-normal Slewing Drives as for every customer’s various complex needs. For more info about the slewing travel, remember to contact CZPT Bearing product sales section. We will give you the best technical help.

Model Rated output torque &solKN-m Tilting Moment torque &solKN-m Load &solKN Gear ratio Self-locking gears Weight &lparKG)
Static load score, axial Static load ranking,radial Dynamic load rating, axial Dynamic load ranking,radial
three” .twenty five .five 30 16.6 nine.6 eight.four 62:01:00 yes twelve
five” .37 .8 seventy six 22.6 13.8 eleven.8 sixty two:01:00 of course eighteen
7″ 1.3 13.five 133 53 32 28 73:01:00 yes 23
9″ nine.2 33.nine 338 one hundred thirty five 81 71 61:01:00 of course fifty
twelve” 11.seven fifty four.3 475 one hundred ninety 114 a hundred seventy eight:01:00 of course sixty
14″ twelve.7 67.eight 555 222 133 117 85:01:00 yes seventy three
seventeen” eighteen.five a hundred thirty five.six 975 390 235 205 102:01:00 sure one hundred ten
21″ 29 203 1598 640 385 335 one hundred twenty five:01:00 indeed 158
twenty five” 34 271 2360 945 590 470 150:01:00 of course 230

Application: Industry
Hardness: Hardened
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Curved Gear
Material: Bearing Steel
Type: Worm And Wormwheel

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Customization:

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Model Rated output torque /KN-m Tilting Moment torque /KN-m Load /KN Gear ratio Self-locking gears Weight (KG)
Static load rating, axial Static load rating,radial Dynamic load rating, axial Dynamic load rating,radial
3" 0.25 0.5 30 16.6 9.6 8.4 62:01:00 yes 12
5" 0.37 0.8 76 22.6 13.8 11.8 62:01:00 yes 18
7" 1.3 13.5 133 53 32 28 73:01:00 yes 23
9" 9.2 33.9 338 135 81 71 61:01:00 yes 50
12" 11.7 54.3 475 190 114 100 78:01:00 yes 60
14" 12.7 67.8 555 222 133 117 85:01:00 yes 73
17" 18.5 135.6 975 390 235 205 102:01:00 yes 110
21" 29 203 1598 640 385 335 125:01:00 yes 158
25" 34 271 2360 945 590 470 150:01:00 yes 230
Application: Industry
Hardness: Hardened
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Curved Gear
Material: Bearing Steel
Type: Worm And Wormwheel

###

Customization:

###

Model Rated output torque /KN-m Tilting Moment torque /KN-m Load /KN Gear ratio Self-locking gears Weight (KG)
Static load rating, axial Static load rating,radial Dynamic load rating, axial Dynamic load rating,radial
3" 0.25 0.5 30 16.6 9.6 8.4 62:01:00 yes 12
5" 0.37 0.8 76 22.6 13.8 11.8 62:01:00 yes 18
7" 1.3 13.5 133 53 32 28 73:01:00 yes 23
9" 9.2 33.9 338 135 81 71 61:01:00 yes 50
12" 11.7 54.3 475 190 114 100 78:01:00 yes 60
14" 12.7 67.8 555 222 133 117 85:01:00 yes 73
17" 18.5 135.6 975 390 235 205 102:01:00 yes 110
21" 29 203 1598 640 385 335 125:01:00 yes 158
25" 34 271 2360 945 590 470 150:01:00 yes 230

The Difference Between Planetary Gears and Spur Gears

A spur gear is a type of mechanical drive that turns an external shaft. The angular velocity is proportional to the rpm and can be easily calculated from the gear ratio. However, to properly calculate angular velocity, it is necessary to know the number of teeth. Fortunately, there are several different types of spur gears. Here’s an overview of their main features. This article also discusses planetary gears, which are smaller, more robust, and more power-dense.
Planetary gears are a type of spur gear

One of the most significant differences between planetary gears and spurgears is the way that the two share the load. Planetary gears are much more efficient than spurgears, enabling high torque transfer in a small space. This is because planetary gears have multiple teeth instead of just one. They are also suitable for intermittent and constant operation. This article will cover some of the main benefits of planetary gears and their differences from spurgears.
While spur gears are more simple than planetary gears, they do have some key differences. In addition to being more basic, they do not require any special cuts or angles. Moreover, the tooth shape of spur gears is much more complex than those of planetary gears. The design determines where the teeth make contact and how much power is available. However, a planetary gear system will be more efficient if the teeth are lubricated internally.
In a planetary gear, there are three shafts: a sun gear, a planet carrier, and an external ring gear. A planetary gear is designed to allow the motion of one shaft to be arrested, while the other two work simultaneously. In addition to two-shaft operation, planetary gears can also be used in three-shaft operations, which are called temporary three-shaft operations. Temporary three-shaft operations are possible through frictional coupling.
Among the many benefits of planetary gears is their adaptability. As the load is shared between several planet gears, it is easier to switch gear ratios, so you do not need to purchase a new gearbox for every new application. Another major benefit of planetary gears is that they are highly resistant to high shock loads and demanding conditions. This means that they are used in many industries.
Gear

They are more robust

An epicyclic gear train is a type of transmission that uses concentric axes for input and output. This type of transmission is often used in vehicles with automatic transmissions, such as a Lamborghini Gallardo. It is also used in hybrid cars. These types of transmissions are also more robust than conventional planetary gears. However, they require more assembly time than a conventional parallel shaft gear.
An epicyclic gearing system has three basic components: an input, an output, and a carrier. The number of teeth in each gear determines the ratio of input rotation to output rotation. In some cases, an epicyclic gear system can be made with two planets. A third planet, known as the carrier, meshes with the second planet and the sun gear to provide reversibility. A ring gear is made of several components, and a planetary gear may contain many gears.
An epicyclic gear train can be built so that the planet gear rolls inside the pitch circle of an outer fixed gear ring, or “annular gear.” In such a case, the curve of the planet’s pitch circle is called a hypocycloid. When epicycle gear trains are used in combination with a sun gear, the planetary gear train is made up of both types. The sun gear is usually fixed, while the ring gear is driven.
Planetary gearing, also known as epicyclic gear, is more durable than other types of transmissions. Because planets are evenly distributed around the sun, they have an even distribution of gears. Because they are more robust, they can handle higher torques, reductions, and overhung loads. They are also more energy-dense and robust. In addition, planetary gearing is often able to be converted to various ratios.
Gear

They are more power dense

The planet gear and ring gear of a compound planetary transmission are epicyclic stages. One part of the planet gear meshes with the sun gear, while the other part of the gear drives the ring gear. Coast tooth flanks are used only when the gear drive works in reversed load direction. Asymmetry factor optimization equalizes the contact stress safety factors of a planetary gear. The permissible contact stress, sHPd, and the maximum operating contact stress (sHPc) are equalized by asymmetry factor optimization.
In addition, epicyclic gears are generally smaller and require fewer space than helical ones. They are commonly used as differential gears in speed frames and in looms, where they act as a Roper positive let off. They differ in the amount of overdrive and undergearing ratio they possess. The overdrive ratio varies from fifteen percent to forty percent. In contrast, the undergearing ratio ranges from 0.87:1 to 69%.
The TV7-117S turboprop engine gearbox is the first known application of epicyclic gears with asymmetric teeth. This gearbox was developed by the CZPT Corporation for the Ilyushin Il-114 turboprop plane. The TV7-117S’s gearbox arrangement consists of a first planetary-differential stage with three planet gears and a second solar-type coaxial stage with five planet gears. This arrangement gives epicyclic gears the highest power density.
Planetary gearing is more robust and power-dense than other types of gearing. They can withstand higher torques, reductions, and overhung loads. Their unique self-aligning properties also make them highly versatile in rugged applications. It is also more compact and lightweight. In addition to this, epicyclic gears are easier to manufacture than planetary gears. And as a bonus, they are much less expensive.

They are smaller

Epicyclic gears are small mechanical devices that have a central “sun” gear and one or more outer intermediate gears. These gears are held in a carrier or ring gear and have multiple mesh considerations. The system can be sized and speeded by dividing the required ratio by the number of teeth per gear. This process is known as gearing and is used in many types of gearing systems.
Planetary gears are also known as epicyclic gearing. They have input and output shafts that are coaxially arranged. Each planet contains a gear wheel that meshes with the sun gear. These gears are small and easy to manufacture. Another advantage of epicyclic gears is their robust design. They are easily converted into different ratios. They are also highly efficient. In addition, planetary gear trains can be designed to operate in multiple directions.
Another advantage of epicyclic gearing is their reduced size. They are often used for small-scale applications. The lower cost is associated with the reduced manufacturing time. Epicyclic gears should not be made on N/C milling machines. The epicyclic carrier should be cast and tooled on a single-purpose machine, which has several cutters cutting through material. The epicyclic carrier is smaller than the epicyclic gear.
Epicyclic gearing systems consist of three basic components: an input, an output, and a stationary component. The number of teeth in each gear determines the ratio of input rotation to output rotation. Typically, these gear sets are made of three separate pieces: the input gear, the output gear, and the stationary component. Depending on the size of the input and output gear, the ratio between the two components is greater than half.
Gear

They have higher gear ratios

The differences between epicyclic gears and regular, non-epicyclic gears are significant for many different applications. In particular, epicyclic gears have higher gear ratios. The reason behind this is that epicyclic gears require multiple mesh considerations. The epicyclic gears are designed to calculate the number of load application cycles per unit time. The sun gear, for example, is +1300 RPM. The planet gear, on the other hand, is +1700 RPM. The ring gear is also +1400 RPM, as determined by the number of teeth in each gear.
Torque is the twisting force of a gear, and the bigger the gear, the higher the torque. However, since the torque is also proportional to the size of the gear, bigger radii result in lower torque. In addition, smaller radii do not move cars faster, so the higher gear ratios do not move at highway speeds. The tradeoff between speed and torque is the gear ratio.
Planetary gears use multiple mechanisms to increase the gear ratio. Those using epicyclic gears have multiple gear sets, including a sun, a ring, and two planets. Moreover, the planetary gears are based on helical, bevel, and spur gears. In general, the higher gear ratios of epicyclic gears are superior to those of planetary gears.
Another example of planetary gears is the compound planet. This gear design has two different-sized gears on either end of a common casting. The large end engages the sun while the smaller end engages the annulus. The compound planets are sometimes necessary to achieve smaller steps in gear ratio. As with any gear, the correct alignment of planet pins is essential for proper operation. If the planets are not aligned properly, it may result in rough running or premature breakdown.

China Lyhy Slewing Gear for Container Cranes (21′′)     gear cycleChina Lyhy Slewing Gear for Container Cranes (21′′)     gear cycle
editor by czh 2023-01-23