China Slewing Ring Bearing Excavator Parts Gear top gear

Merchandise Description

Slewing ring bearing is also known as slewing ring, slewing bearing, turntable bearing, and rotary bearing. 
Slewing ring bearing is a bearing that CZPT to bear axial load, radial load and overturning torque. Underneath standard situation, slewing ring bearings have their possess mounting holes, lubricant holes and seal holes, to meet the distinct requirements of the different host operating beneath the various conditions 
On the other hand, slewing ring bearing by itself has qualities of compact framework, CZPT rotating practical, effortless to set up and preserving easily. 
2. Framework
two.1 Slewing ring bearings have distinct kinds as for each various constructions, listed here below is what we providing now: 
Single row ball slewing ring bearings 
Double row ball slewing ring bearings
Crossed roller slewing ring bearings 
3 row roller slewing ring bearings 
Flange slewing ring bearings
two.2 The above slewing ring bearings can also be divided into 3 distinct sorts as for every various transmissions:
Slewing ring bearings with no gear
Slewing ring bearings with exterior gear
Slewing ring bearings with internal gear
three. Attributes: 
Slewing ring bearings have more functions: compact composition, dependable information, simple installation, and effortlessly maintenance
 
4. Application: 
Slewing ring bearings can be widely used in lifting & transportation equipment, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete equipment, paper machine, plastic and rubber machine, weave equipment, metal plant, digital electricity plant, wind energy generator, other construction and sector equipment or equipments and other massive rotary unit
One row ball slewing ring bearing:

1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the round race at 4 points, through which the axial drive, radial pressure and resultant instant may possibly be born concurrently.

2.2. Framework
Slewing ring bearings have distinct kinds as for each diverse buildings, below below is what we providing now:
Single row ball slewing bearing has 3 various varieties:
Solitary row ball slewing bearing with no gear 
Solitary row ball slewing bearing with exterior gear 
Single row ball slewing bearing with interior gear 
Solitary row ball slewing ring bearing
1.Slewing bearing is also named slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
The solitary row ball slewing ring bearing is composed of 2 seat-rings. The balls speak to with the circular race at 4 points, via which the axial drive, radial power and resultant instant may be born concurrently.
 
2. Structure
 
Slewing ring bearings have diverse sorts as for each different constructions, here underneath is what we supplying now:
Single row ball slewing bearing has 3 different varieties:
One row ball slewing bearing with no gear 
Single row ball slewing bearing with exterior gear 
Single row ball slewing bearing with interior gear 

three. Characteristics
One row ball slewing ring bearings have following features:
Compact in structure and mild in fat.
 
4. Software: 
Single row ball slewing ring bearings are widely used in slewing conveyers, welding arm and positioned, medium responsibility cranes, excavators and other engineering devices
Double row ball slewing ring bearing:
one.Slewing bearing is also named slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
The double row ball slewing bearing has 3 seat-rings. The metal balls and the retainers may be immediately organized into the upper and reduced racers. Two rows of steel balls with diverse diameters are fitted according to the power. This sort of open up sort fitting is remarkable handy, the loading angels at upper and decrease races are 90°which can carry each of the axial drive and capsizing moment. When the radial drive is greater than 1/ten of the axial drive, the races need to be recently created.
 
two. Composition:
Double row ball slewing bearing has 3 different varieties:
Double row ball slewing bearing with no equipment
Double row ball slewing bearing with exterior gear 
Double row ball slewing bearing with inner gear 
 
3. Attributes:
Double row ball slewing ring bearings have subsequent attributes:
Bigger dimension of axial and radial and compact framework.
 
4. Software:
Double row ball slewing ring bearings are commonly employed in Tower cranes which need working radius more than medium variety, auto crane and loading (unloading) machinery.
 Double row ball slewing ring bearing:
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
The double row ball slewing bearing has 3 seat-rings. The metal balls and the retainers may be right organized into the higher and reduce racers. Two rows of steel balls with different diameters are fitted in accordance to the power. This kind of open variety fitting is extraordinary handy, the loading angels at upper and decrease races are 90°which can have the two of the axial drive and capsizing moment. When the radial pressure is larger than 1/10 of the axial drive, the races must be recently made.
 
2. Structure:
Double row ball slewing bearing has 3 diverse varieties:
Double row ball slewing bearing with no equipment
Double row ball slewing bearing with exterior gear 
Double row ball slewing bearing with interior gear 

3. Characteristics:
Double row ball slewing ring bearings have following functions:
More substantial dimension of axial and radial and compact structure.
 
4. Application:
Double row ball slewing ring bearings are commonly used in Tower cranes which call for doing work radius over medium selection, vehicle crane and loading (unloading) equipment.
Crossed roller slewing ring bearing
one.Slewing bearing is also known as slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
With the cross roller Ring, cylindrical rollers are organized crosswise, with each roller perpendicular to the adjacent roller, in a 90° groove, divided from each and every other by a spacer retainer.  This layout enables just 1 bearing to acquire loads in all directions like, radial, axial and instant masses. Because the Cross-Roller Ring achieves substantial rigidity even with the minimum feasible proportions of the inner and outer rings, it is optimum for purposes such as joints and swiveling models of industrial robots, swiveling tables of machining facilities, rotary models of manipulators, precision rotary tables, medical tools, measuring instruments and IC producing machines.
 
two. Structure:
Cross roller slewing bearing has 3 various sorts:
Cross roller ball slewing bearing with no gear 
Cross roller ball slewing bearing with exterior gear 
Cross roller ball slewing bearing with inside gear 

3. Features
Cross roller slewing ring bearings have pursuing attributes:
1. Substantial precision: cross roller bearings can be manufactured high precision bearings, at P4, P2.
two. Higher rigidity: These collection roller bearings are with preload.
3. Large load ability: This sequence roller bearing can help axial load, radial load, and tilting load.
four. Tiny quantity: this series roller bearing can preserve space for the machine.
 
4. Application 
Cross roller slewing rings are commonly applied in the precision rotary table, rotary joint of manipulator, medical equipment, and measuring instrument etc
Triple row roller slewing ring bearing 
one.Slewing bearing is also named slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
A few row roller slewing ring bearing has 3 seat-rings, which independent the higher, reduced and radial raceway, by means of which the load of each and every row of the rollers may possibly be specified. Therefore it can have distinct load simultaneously and its load capacity is the greatest 1 of the 4 sorts
 
two. Composition:
Triple row roller slewing bearing has 3 different types:
Triple row roller slewing bearing with no equipment
Triple row roller slewing bearing with exterior gear 
Triple row roller slewing bearing with inside gear 
 
3. Functions   
Triple row roller slewing ring bearings have following characteristics:
Bigger axial and radial dimension, compact construction
 
4. Application
Triple row roller slewing rings are widely employed in weighty-duty devices which require huge working radius, this sort of as bucket-wheel excavators, wheeled cranes, ship cranes, ladle turret, auto cranes etc.
 
Flange Slewing Bearing
1.Slewing bearing is also named slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
Flange slewing bearing is a particular slewing ring bearing, it can have 1 flange in the outer ring, or 1 flange in the internal ring, even it can have 1 flange in each interior ring and outer ring.
 
2. Framework:
Flange slewing bearing has 3 distinct varieties:
Flange slewing bearing with no equipment
Flange slewing bearing with exterior gear 
Flange slewing bearing with inner gear 
 
3. Features   
Flange slewing bearings have pursuing features:
Compact composition and simply installment.
 
4. Software
Flange slewing bearings are broadly utilized in tow truck, and other programs are the same as slewing bearings, these kinds of as lifting & transport equipment, mining machinery, design machinery, excavator, concrete machine, paper device, plastic and rubber machine and metal plant.
 
Excavator Slewing Bearing
Excavator slewing bearing is a special slewing ring bearing as for every its purposes. And it is a really critical part for excavators, we can source excavator slewing bearings for equally second-hand excavators for servicing and new excavators.
 
two. Construction:
Excavator slewing bearing are typically produced as for each single row ball slewing bearing construction, and most of them are internal gear kinds, but some are external equipment types.
 
three. Characteristics   
Excavator slewing bearings have familiar attributes as single row ball slewing ring bearings.
Compact construction, gentle fat and easily installment.
 
four. Application
Excavator slewing bearings are extensively employed for all brand names of excavators, such as Komatsu, Hitachi, Kobelco, Sumitomo, Doosan, Hyundai, Samsung, Caterpillar, Daewoo, Kato, Volvo, Liebherr and so on.

 

US $150
/ Set
|
1 Set

(Min. Order)

###

Standard or Nonstandard: Standard
Feature: High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Spherical Raceway
Material: Bearing Steel

###

Samples:
US$ 1/Set
1 Set(Min.Order)

|
Request Sample

###

Customization:
US $150
/ Set
|
1 Set

(Min. Order)

###

Standard or Nonstandard: Standard
Feature: High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Spherical Raceway
Material: Bearing Steel

###

Samples:
US$ 1/Set
1 Set(Min.Order)

|
Request Sample

###

Customization:

How to Compare Different Types of Spur Gears

When comparing different types of spur gears, there are several important considerations to take into account. The main considerations include the following: Common applications, Pitch diameter, and Addendum circle. Here we will look at each of these factors in more detail. This article will help you understand what each type of spur gear can do for you. Whether you’re looking to power an electric motor or a construction machine, the right gear for the job will make the job easier and save you money in the long run.
Gear

Common applications

Among its many applications, a spur gear is widely used in airplanes, trains, and bicycles. It is also used in ball mills and crushers. Its high speed-low torque capabilities make it ideal for a variety of applications, including industrial machines. The following are some of the common uses for spur gears. Listed below are some of the most common types. While spur gears are generally quiet, they do have their limitations.
A spur gear transmission can be external or auxiliary. These units are supported by front and rear casings. They transmit drive to the accessory units, which in turn move the machine. The drive speed is typically between 5000 and 6000 rpm or 20,000 rpm for centrifugal breathers. For this reason, spur gears are typically used in large machinery. To learn more about spur gears, watch the following video.
The pitch diameter and diametral pitch of spur gears are important parameters. A diametral pitch, or ratio of teeth to pitch diameter, is important in determining the center distance between two spur gears. The center distance between two spur gears is calculated by adding the radius of each pitch circle. The addendum, or tooth profile, is the height by which a tooth projects above the pitch circle. Besides pitch, the center distance between two spur gears is measured in terms of the distance between their centers.
Another important feature of a spur gear is its low speed capability. It can produce great power even at low speeds. However, if noise control is not a priority, a helical gear is preferable. Helical gears, on the other hand, have teeth arranged in the opposite direction of the axis, making them quieter. However, when considering the noise level, a helical gear will work better in low-speed situations.

Construction

The construction of spur gear begins with the cutting of the gear blank. The gear blank is made of a pie-shaped billet and can vary in size, shape, and weight. The cutting process requires the use of dies to create the correct gear geometry. The gear blank is then fed slowly into the screw machine until it has the desired shape and size. A steel gear blank, called a spur gear billet, is used in the manufacturing process.
A spur gear consists of two parts: a centre bore and a pilot hole. The addendum is the circle that runs along the outermost points of a spur gear’s teeth. The root diameter is the diameter at the base of the tooth space. The plane tangent to the pitch surface is called the pressure angle. The total diameter of a spur gear is equal to the addendum plus the dedendum.
The pitch circle is a circle formed by a series of teeth and a diametrical division of each tooth. The pitch circle defines the distance between two meshed gears. The center distance is the distance between the gears. The pitch circle diameter is a crucial factor in determining center distances between two mating spur gears. The center distance is calculated by adding the radius of each gear’s pitch circle. The dedendum is the height of a tooth above the pitch circle.
Other considerations in the design process include the material used for construction, surface treatments, and number of teeth. In some cases, a standard off-the-shelf gear is the most appropriate choice. It will meet your application needs and be a cheaper alternative. The gear will not last for long if it is not lubricated properly. There are a number of different ways to lubricate a spur gear, including hydrodynamic journal bearings and self-contained gears.
Gear

Addendum circle

The pitch diameter and addendum circle are two important dimensions of a spur gear. These diameters are the overall diameter of the gear and the pitch circle is the circle centered around the root of the gear’s tooth spaces. The addendum factor is a function of the pitch circle and the addendum value, which is the radial distance between the top of the gear tooth and the pitch circle of the mating gear.
The pitch surface is the right-hand side of the pitch circle, while the root circle defines the space between the two gear tooth sides. The dedendum is the distance between the top of the gear tooth and the pitch circle, and the pitch diameter and addendum circle are the two radial distances between these two circles. The difference between the pitch surface and the addendum circle is known as the clearance.
The number of teeth in the spur gear must not be less than 16 when the pressure angle is twenty degrees. However, a gear with 16 teeth can still be used if its strength and contact ratio are within design limits. In addition, undercutting can be prevented by profile shifting and addendum modification. However, it is also possible to reduce the addendum length through the use of a positive correction. However, it is important to note that undercutting can happen in spur gears with a negative addendum circle.
Another important aspect of a spur gear is its meshing. Because of this, a standard spur gear will have a meshing reference circle called a Pitch Circle. The center distance, on the other hand, is the distance between the center shafts of the two gears. It is important to understand the basic terminology involved with the gear system before beginning a calculation. Despite this, it is essential to remember that it is possible to make a spur gear mesh using the same reference circle.

Pitch diameter

To determine the pitch diameter of a spur gear, the type of drive, the type of driver, and the type of driven machine should be specified. The proposed diametral pitch value is also defined. The smaller the pitch diameter, the less contact stress on the pinion and the longer the service life. Spur gears are made using simpler processes than other types of gears. The pitch diameter of a spur gear is important because it determines its pressure angle, the working depth, and the whole depth.
The ratio of the pitch diameter and the number of teeth is called the DIAMETRAL PITCH. The teeth are measured in the axial plane. The FILLET RADIUS is the curve that forms at the base of the gear tooth. The FULL DEPTH TEETH are the ones with the working depth equal to 2.000 divided by the normal diametral pitch. The hub diameter is the outside diameter of the hub. The hub projection is the distance the hub extends beyond the gear face.
A metric spur gear is typically specified with a Diametral Pitch. This is the number of teeth per inch of the pitch circle diameter. It is generally measured in inverse inches. The normal plane intersects the tooth surface at the point where the pitch is specified. In a helical gear, this line is perpendicular to the pitch cylinder. In addition, the pitch cylinder is normally normal to the helix on the outside.
The pitch diameter of a spur gear is typically specified in millimeters or inches. A keyway is a machined groove on the shaft that fits the key into the shaft’s keyway. In the normal plane, the pitch is specified in inches. Involute pitch, or diametral pitch, is the ratio of teeth per inch of diameter. While this may seem complicated, it’s an important measurement to understand the pitch of a spur gear.
gear

Material

The main advantage of a spur gear is its ability to reduce the bending stress at the tooth no matter the load. A typical spur gear has a face width of 20 mm and will fail when subjected to 3000 N. This is far more than the yield strength of the material. Here is a look at the material properties of a spur gear. Its strength depends on its material properties. To find out what spur gear material best suits your machine, follow the following steps.
The most common material used for spur gears is steel. There are different kinds of steel, including ductile iron and stainless steel. S45C steel is the most common steel and has a 0.45% carbon content. This type of steel is easily obtainable and is used for the production of helical, spur, and worm gears. Its corrosion resistance makes it a popular material for spur gears. Here are some advantages and disadvantages of steel.
A spur gear is made of metal, plastic, or a combination of these materials. The main advantage of metal spur gears is their strength to weight ratio. It is about one third lighter than steel and resists corrosion. While aluminum is more expensive than steel and stainless steel, it is also easier to machine. Its design makes it easy to customize for the application. Its versatility allows it to be used in virtually every application. So, if you have a specific need, you can easily find a spur gear that fits your needs.
The design of a spur gear greatly influences its performance. Therefore, it is vital to choose the right material and measure the exact dimensions. Apart from being important for performance, dimensional measurements are also important for quality and reliability. Hence, it is essential for professionals in the industry to be familiar with the terms used to describe the materials and parts of a gear. In addition to these, it is essential to have a good understanding of the material and the dimensional measurements of a gear to ensure that production and purchase orders are accurate.

China Slewing Ring Bearing Excavator Parts Gear     top gearChina Slewing Ring Bearing Excavator Parts Gear     top gear
editor by czh 2022-12-28