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Excavator Drive Sprockets – The Definitive FAQ Guide
Excavator drive sprockets FAQ Guide consists of all the series of questions and answers you are striving for.
This guide pertains to excavator drive sprockets cost, maintenance requirements, friction associated, oil characteristics, oil type used in excavator drive sprockets, and much more.
Either you are a beginner or a professional excavator, drive sprockets FAQ Guide will help you with the necessary information.
1. What is an excavator drive sprocket?
Excavator drive sprockets are designed to power huge construction vehicles.
It is responsible for the constant engagement with the outside edge of the track and thus provides forward or reverse travel and rotation.
The drive sprocket is attached to the outer end of the pump drive shaft on an excavator or a track loader.
The hydraulic motor turns the gearbox, driving the sprocket wheel via the chain or belt.
The sprocket has teeth that mesh with the mating teeth on the outside edge of the tractor’s or loader’s rubber tracks.
An excavator drive sprocket is typically mounted on the traveling gearbox of an excavator.
It is used in conjunction with the driving sprocket and tracks to provide traction and rotation.
2. How do excavator drive sprockets work?
Excavator drive sprockets transfer power from the motor to the tracks
Excavator sprockets work by connecting the way to the wheel of the machine. These teeth on the sprocket push against the teeth of the track itself to move the machine.
They connect directly to an excavator’s driveshaft (the piece that connects from the engine to the transmission) to work in tandem with other pulleys and belts to spin the output shaft, which allows for some steering when moving forward.
As the sprockets turn, they move the frames up and down to raise or lower the rollers’ contact with the ground.
Excavator sprockets are designed to ensure that the machine travels at the correct speed and keep the tracks moving in sync with each other.
3. What materials are used in making an excavator drive sprocket?
Excavator drive sprockets are made from various materials.
They can be made from several different alloys depending on the operator’s needs and the type of material being handled.
The widely used materials to make an excavator drive sprocket are high carbon steel, heat-treated, tempered steel, or aluminum alloy.
Excavator sprockets usually have cast steel teeth on the outside driven by rubber or polyurethane belt drives.
These type of materials does not corrode or rust no matter how much it is decayed.
This metal makes it solid and sturdy, which is excellent when dealing with the demands of this kind of gearbox. The lifespan can be pretty long, too, because of this.
4. Is noise associated with excavator drive sprockets?
There are several reasons why there could be noise associated with the drive sprocket, and these are listed below with what can be done to eliminate or lessen such noises.
This noise comes from the motion of sprockets rubbing against the steel-like material inside the track frames.
The noise also comes from metal-on-metal contact between parts of the track and sprocket.
Excavator drive sprockets are made from steel. They are subject to wear, which results in some noise being generated when they operate.
If there is an imbalance or defect, it will lead to noise development and sprocket failure, which is very dangerous.
The sprocket wheel can cause noise when traveling on rough or uneven ground.
To prevent this from happening and maintain an excavator’s proper operation, it will be necessary to replace the sprocket wheel if worn or damaged or provide optimum lubrication.
5. What is the cost associated with excavator drive sprockets?
The cost associated with excavator drive sprockets varies from model to model and manufacturer.
The cost depends on various factors, including the material used in manufacturing, material characteristics, material shape, sprocket size, warranty associated, and lifetime.
The cost of an excavator undercarriage drive sprocket lies in the range of $80 to $200 per piece.
The price of an excavator sprocket for undercarriage tracks of various excavator models lies in the range of $50 to $147 per piece.
If the quality of material associated goes on increasing, then the price incorporated also goes on increasing.
If you purchase material with a higher cost, it will end up with a relatively long period than lower costs associated.
6. What type of oil goes into the excavator drive sprockets?
The easiest method of finding the right oil for your drive sprockets is to refer to your machine’s User’s Manual.
The drive sprocket lubrication system is used to help reduce wear, extend the life of the drive sprockets, and improve cold weather starts.
This system is necessary to protect the drive sprocket teeth from freezing up due to moisture entering the lubrication passages.
The lubrication system is designed around a pump that forces oil through various passages of the sprocket.
The front-drive sprocket receives oil via two passages, one located at the bottom and one at the top portion of the front, ideal for low-pressure lube flows.
7. What is the life associated with excavator drive sprockets?
The life associated with excavator drive sprockets is dependent upon several factors.
These are the sprocket type, the number of times it turns per hour, and the terrain it travels over.
In addition, other factors affect the duration period.
These are related to the sprocket wheel/roller contact and ground pressure.
A cast-iron drive sprocket is subject to wear if it is not used correctly or maintained correctly.
In general, the life associated with your excavator drive sprockets lies in the range of 3 to 5 years.
That explains why such equipment as excavator drive sprockets should be treated with utmost care.
After all, they are permanent elements of your machine that are responsible for its smooth operation.
8. What are the problems associated with excavator drive sprockets?
The problems associated with excavator drive sprockets include worn sprocket wheels, uneven ground, and faulty travel gearbox, inappropriate track tension.
Over time, even an entire spectacle may take a beating from the constant grinding tracks. The result is that the load capacity declines rapidly, and so does the service life of the drive unit.
If the excavator needs to work on uneven ground or over obstacles such as rocks, sticks, or holes in the environment, the teeth on the sprocket could break or fall out.
Problems associated with the sprocket will result in either no motion or poor motion of the track. Furthermore, a poorly functioning way can damage the entire excavator and components connecting to it.
9. What characteristics are embedded in excavator drive sprockets oil?
Excavator Drive Sprockets oil is working fluids for excavator drive sprockets.
The Excavator Drive Sprockets Oil is used to lubricate all parts of the drive and track system with friction-reducing additives.
The properties of oil to make it ideal for use in excavator drive sprockets include: lubricates and reduces vibration, decreases wear on sprockets, protects against rust, and improves the efficiency of hydraulic systems.
This oil is embedded with optimum viscosity and desired film strength to increase the efficiency and effectiveness of your excavator.
This type of oil acts as a coolant and prevents damage from overheating, and meanwhile promotes smooth and quiet operation.
10. What are the maintenance requirements of the excavator drive sprockets?
The maintenance requirements for the excavator drive sprockets mainly include inspection and lubrication of the sprocket teeth and guide roller to keep it in good working condition and extend the service life of sprockets.
Excavator drive sprockets perform a tough job, so it isn’t surprising that they will need some routine maintenance.
If the gearbox fails to operate smoothly, the maintenance person should pay attention to whether a spanner wears in and replace it with a new one.
When maintaining the drive sprocket, it is necessary to clean, grease, and adjust the track and travel motor; when there is vibration, squeaking noise, or contact between bearings and frame during operation, it shows that track rollers have wear and tear.
11. What are the specifications of the excavator drive sprockets?
Different specifications are associated with excavator drive sprockets which vary depending on model to model or manufacturer.
Some of these specifications are listed in the table below:
|Sr. No.||Chain||Pitch||Roller Diameter||Roller Width||Sprocket Thickness|
The specifications of the excavator drive sprockets vary depending on their features and configurations.
It is recommended to select one which is better for you and is compatible with your excavator.
12. What do you mean by excavator drive sprockets spring?
The recoil spring serves the following functions in the excavator drive sprockets assembly:
- assure that the track tension wheel turns at a constant speed during operation,
- forces the track frame to turn on the carrier roller bearings,
- ensure even contact between the teeth of the sprocket wheel and track, and
- reduces weakening of the springs from preload caused by friction.
Recoil spring is often used to provide sufficient tension to drive sprocket teeth to grip the chain and move throughout the excavator’s travel cycle without slipping or coming off the chain or even if the excavator is being handled over irregular terrain.
13. What is the role of the final drive embedded with excavator drive sprockets?
The role of the final drive is to transfer motion from the travel motor to the track. It communicates that motion to the backside of a sprocket, which rollers sit in.
The rollers then sit in the track links, which are used for mobility.
They provide sound power transmission to handles, equalize motors’ high operating torque when digging, and generate high forces for transporting loads.
The final drive is embedded with a multi-disc clutch which disengages the motor when the excavator stops moving.
This allows the construction equipment to have more power and force to operate the digging machine.
This system ensures that the machine will not slip on uneven ground, which prevents machinery from breaking.
14. How to install an excavator drive sprocket?
To install an excavator drive sprocket, you need to have the fitting tool kit at hand and have the professional experience to achieve this goal.
The replacement procedure is as follows:
- Measure the sprocket wheel to determine the sprocket diameter.
- Using a hacksaw, separate the sprocket from the attachments and remove the drive hub.
- Remove worn sprocket wheels on track frames, and replace them with new ones.
- Replace worn track links to get proper track tension.
- Install the wheel with teeth into position in a fixed housing on each side of an excavator track frame, or screw the bolts into place.
- Adjust track tension as necessary
Test your installation to make sure that installation is correctly placed.
15. What is the role of bearing in excavator drive sprockets?
In an excavator drive sprocket, the bearing is used to support the weight of the track frames and roller pads.
The drive shaft axis passes through the bearing, and it supports the weight of the tracks.
It transmits the power from the engine output shaft to the track rollers. The bearing operation has a significant influence on excavator work efficiency.
If there is some defect in the bearing, then it can hardly transmit power.
Roller bearings and bushings are the bearing components used with excavator drive sprockets.
Bearings, whether double row deep groove ball bearings, radial ball bearings, thrust ball bearings, or cylindrical roller bearings, are fitted between the inner race and the outer ring of a drive sprocket mounted on excavators.
16. Why import excavator drive sprockets from china?
Purchasing excavator drive sprockets from china is far better than buying from other developed foreign countries.
Chinese excavator drive sprockets manufacturers provide you with high-quality excavator drive sprockets at much lower prices.
They also provide a hassle-free delivery directly at your home address once you process checkout or place an order.
The thing you need to do on your hand is to research such reliable and affordable sellers.
Some Chinese manufacturers also provide custom-made excavator drive sprockets.
The word custom exhibits that everything is specially designed in your excavator drive sprockets regarding material and specifications according to your machine model and needed strength.
So, it is overall an excellent choice to import excavator drive sprockets from china.
17. Is friction associated with excavator drive sprockets?
Friction is a consequence of the sliding abrasion which occurs between two surfaces moving against each other.
When excess friction occurs, the object moves along a flat surface, and another thing on which it moves will stop straightaway. The movement of the two bodies on its contact point will disappear.
It is necessary to remove the causes of friction to increase the efficiency of operation rather than make any attempt to reduce friction itself.
The drive sprockets are used on different types of excavator machines, and they were utilizing various kinds of fluids to maintain an optimum level of friction force between multiple components.
18. What is the role of lock pins in excavator drive sprockets?
A lock pin is essential hardware in an excavator drive sprocket, which is one unit.
Lock pins are designed to ensure the sprocket wheel stays in place even if the belt falls off.
When an excavator is working, its functions are based on the smooth rotation of the drive sprockets and tracks. If either component becomes loose, the operator could lose control of the equipment or risk serious injury.
When engaging a surface, there is always the chance of slip out. Lock pins are used in the following conditions:
- When engaged with a surface, if there has been too much pressure,
- If the surface the sprocket is involved with is not even such as on the uneven ground,
- If there are heavy loads from things like rippers or buckets.
19. Is there any shaft used in excavator drive sprockets?
Excavator Drive Sprockets have an integral shaft that fits into the product.
Having a shaft with a gear attachment makes it possible for the wheel-and-sprocket system to spin and move along a track.
The sprocket wheel is attached to the end of the drive shaft.
The power is driven by the engine and transmitted through a gearbox.
The drive sprocket wheel rolls against a toothed metal chain that meshes with a saw tooth ring on the side of the worm gear.
These engage with and pull the track into motion.
The track then moves forward, forcing the sprockets on the driveshaft to follow.
The teeth in the drive sprocket mesh into those of another sprocket at the end of the worm gear, pulling the entire system along as it rotates.
20. What do you mean by the Hs code of excavator drive sprockets?
Harmonized System (HS) Codes are widely used throughout the export process for goods.
Used by almost every international trade organization, it is a standardized method of classifying traded products.
You must enter the Harmonized System code of your product into the purchase order.
This code is used by exporting companies to determine customs and duties for your products and be used in tax calculation.
This code comprises 6 to 10 digits and represents information about the imported quantity, time at which imported, price per unit, and total price.
The Hs Code also provides help in maintaining the inventory stock and updating with the new stores if it is running out.
21. Can I get an excavator drive sprocket on sale?
Yes, you can get your excavator drive sprockets on sale; the thing you need to do is access and find the manufacturer or supplier providing you excavator drive sprockets on sale.
Different sellers provide excavator drive sprockets on sale on various occasions around the year.
The term sale exhibits that you will purchase your excavator drive sprocket at less cost than usual occasions.
Make sure while purchasing on sale do not compromise the quality of excavator drive sprocket.
Different suppliers provide sales to finish their inventory stock for the sake of update with the latest stock of excavator drive sprocket.
22. Can I get my excavator drive sprockets repaired?
Yes, a team of professionals can repair your excavator sprockets effectively.
As time changes and products age, the lifespan of some products will decrease.
Repairable sprockets are ideal for those who require their equipment to function correctly as long as possible.
You would go with a repairable product over a new one because of cost or availability.
You can also replace it yourself if you know how to and have a fitting tool kit at hand.
If a warranty exists for your excavator drive sprocket, you can get it replaced free of cost.
If the price associated with repair is too much, you can get it replaced with a new one.
23. What number of teeth is associated with excavator drive sprockets?
There are so many different numbers of teeth associated with excavator drive sprockets.
The only way to ascertain your specific needs is to examine the working environment and soil conditions.
The number of teeth on excavator drive sprockets depends mainly on the job at hand.
Typically, soft ground applications are served with 32-tooth, 36-tooth, and 42-tooth drive sprockets.
Where average soils prevail, 48-tooth drive sprockets tend to do well.
Hard soils require higher numbers as well, up to as high as 60 teeth, but typically only used in rocky locations.
Most other soils call for between 72 and 96 teeth on an excavator drive sprocket.
24. What is the role of the track motor in excavator drive sprockets?
The track motor plays an essential role in excavator drive sprockets because it provides the power to move and operate this machine.
It allows the excavator to travel on soft and uneven ground.
The role of the track motor in excavator drive sprockets is to change torque energy depending on the ground conditions.