The Biggest Helping Hand from Xugong KS

Xugong KS has designed and built thousands of these excavator 5 finger grabs. Our customers are always satisfied with our excavator 5 finger grab. Our excavator 5 finger grab close evenly to pick up objects easily.

Our excavator 5 finger grab has a rotator, rotating up to 360 degree. Xugong KS excavator 5 finger grab is also able to be shared between machines with same size couple, not just for your excavator.

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Xugong Excavator 5 Finger Grab Features

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Excavator 5 Finger Grab – The Definitive FAQ Guide

Excavator 5 Finger Grab FAQ guide teaches you about the excavator five-finger grab of excavators, including how they work and some of their unique features. Excavator 5 finger grab is the equipment used for all kinds of excavation works; It is mainly used for heavy-duty impact tasks for grading making tract, digging deep foundation holes, and handling scrap materials. This FAQ provides you with some insights on excavator five finger grabs, the role of fingers, applications of excavator five finger grab, reasons for failures, and much more.

1. What is an excavator 5 finger grab?

Excavator 5 finger grabs are the most common type of excavator attachments. They are used for a wide range of materials and lifting operations. The different size fingers give you a versatile tool to work with various materials and different sizes. For example, if you have large amounts of material, an excavator 5 finger grab can be used to pick it up.

Depending on the model, a directional finger may be installed to prevent your fingers from jamming into the material as you’re picking it up. These components are made from carbon steel and precision machined and welded surface paint with rust resistance paint, induction hardened jaws. Excavator 5 finger grab is attached to the end of your excavator’s arm with the help of a quick hydraulic coupler.

2. How would you define the working of an excavator 5 finger grab?

The excavator 5 finger grab work is based on support and hydraulic power of excavator components, including excavator arm, boom, and hydraulic cylinders. The hydraulic fluid receives the mechanical power through the hydraulic pump with the help of piston and cylinder arrangement inside the pump.

This arrangement causes the hydraulic fluid to build up the pressure necessary to carry out the intended operation. The fluid then reaches through hydraulic pipelines to the hydraulic cylinder of the excavator’s five-finger grab. This fluid pressurizes the piston and causes it to move forward or backward. This movement allows you to open up and close the fingers of your excavator 5 finger grab. This motion is then utilized in picking or losing objects.

3. What are the applications of an excavator 5 finger grab?

There are a wide variety of applications on which you can make use of excavator 5 finger grab. The 5 fingers that grab Grapple jaws help diggers carry out light lifting, moving, and shifting dirt, sand, gravel, rubble, and rocks. The Grapple jaw also helps with trenching work.  The 5 fingers grab Grapple jaws are flexible in use and help in long-term applications.

An excavator 5 finger grab can be used in civil engineering projects like road building, land moving, and building construction. You can use it to pick up and move scrap steel piles, machinery, and various industrial products.

4. Which material is used in making an excavator 5 finger grab?

Different types of materials are used in making excavator 5 finger grab. Some of the primary materials include stainless steel, cast iron, alloy steel, or forged steel. The specification and thickness of materials vary depending on the type of application you want to carry out.

The materials have several characteristics associated with them. Some of the main attributes of manufacturing materials include wear resistance, abrasion resistance, rust resistance, and corrosion resistance.

You can lift, and transport materials with your excavator 5 finger grab with a lot of ease from one place to another. The excavator 5 finger grab made with these materials has less impact on materials hardness that is being lifted.

5. What is the role of continuous rotation in excavator 5 fingers grab?

Continuous rotation in your excavator’s five-finger grab is essential and plays a significant role in the accurate operation. You can rotate your excavator five-finger grab in any direction to adjust the fingers on the materials you want to lift or make a firm grip. Continuous rotation is used for three primary purposes:

• As a limitation of the excavator travel as a balancing effect as a swing in terms of balance,
• The constant process improves the balance of the grab
• Prevents overturning/kneeling

Continuous rotation is essential for finger claw versatility. This reduces the time wastage and increases the efficiency of your excavator 5 finger grab.

6. Which materials can an excavator 5 finger grab handle?

Excavators can handle materials of different weights, sizes, and various compositions. The weight limits of the 5 finger grab depend on the model of the excavator. Excavator 5 finger grab typically handles steel pipes, cast iron, plates and beams, and scrap metal and brackets to provide stability in an array of different situations.

Excavator 5 fingers grab effortlessly picks up and move materials such as asphalt, asphalt shingles, bricks, cinder blocks, dump truckloads of dirt and gravel, and more. Some of the other materials which excavator 5 finger grab can handle includes:

• Andesite
• Dacite
• Gabbro
• Basalt
• Obsidian
• Rock
• Stones

The materials your excavator 5 finger grab can handle vary on the types of excavator 5 finger grab and design specifications.

7. How much does an excavator 5 finger grab cost?

The cost of an excavator 5 finger grab depends on several factors. The main variables which decide the price of your excavator 5 finger grab include

• Design specifications of your excavator five finger grab
• Type of material used in the manufacturing of your excavator 5 finger grab
• Size of your excavator 5 finger grab
• The life associated with your excavator 5 finger grab
• Any warranty associated with your excavator 5 finger grab

The cost of your excavator 5 finger grabs with compatibility to the 65-ton excavator and having a contract lasting up to one year lies in the range of $1000 to $3000 per piece. The price of an excavator 5 finger grabs with a motor as a core component and has a warranty of approximately one year lies in the range of $600 to $2000 per piece.

8. How long does an excavator 5 finger grab last?

Excavator 5 Finger Grab has been designed to serve for a longer time without any problems. Its life will depend on the way of how it is used and maintained. The most frequent failure may be in the case of poor maintenance. In most cases, the loss occurs in hydraulic cylinders, which may need to be replaced after some years.

In general, the excavator’s finger grab has a life in the range of 3 to 5 years. In case you follow the proper maintenance requirement, then it may last longer. Life also depends on material specifications and characteristics. The excellent quality material lasts longer compared to the poor quality material of your excavator 5 finger grab.

9. What is the role of the piston in the operation of excavator 5 finger grabs?

The piston is a critical component of the excavator 5 fingers. The piston resides inside the cylinder, providing the power and making it possible to lift and transport heavy objects and materials. The piston is responsible for the extension and retraction of the fingers. If there is a power jack installed on the fingers, the piston will be connected to it.

When the power jack operates, it pushes on a rod connected to a mechanical device that rotates inside a cylinder connected to an arm on a mechanism that allows the finger to move up and down. The piston moving up and down within the cylinder produces pressure within the cylinder. This pressure is then utilized in driving excavator five finger grabs.

10. What are the maintenance requirements of an excavator 5 finger grab?

There are several maintenance requirements associated with your excavator 5 finger grab. Some of the essential requirements are as follows: For Excavator 5 Finger Grab, you should regularly check to make sure the threads are clean.

It is recommended that you do this every day before starting work. Take a wire brush and carefully clean all of the threads on both the cylinder and the grab. Your machine won’t be running right if you don’t regularly check for damage or significant wear on your five-finger grab. Keeping this grab clean will keep it working at its highest level, hence saving you time and money!

Check the amount of oil and fill it if it is less than the optimum level. Follow the proper operational recommendations and procedures to make the most out of your excavator five-finger grab.

11. How to install an excavator 5 finger grab on your excavator?

There are several steps to follow to install an excavator 5 finger grab on your excavator. Some of the main steps are as follows:

• Firstly, take the tool kit that has all necessary tools in it that facilitate the installation process.
• Attach your excavator five fingers grab to your quick hydraulic coupler.
• Align the excavator’s arm and turn off your excavator
• Now hammer the rods in the adjacent holes in your excavator quick hydraulic coupler and excavator arm
• After this test, your excavator five fingers grab to make sure it is working fine

Final testing will make sure your excavator’s five finger grab is installed correctly or not.

12. What is the role of seals on the excavator 5 fingers grab?

The role of seals on the excavator’s five-finger grab is very crucial. The most common type of seal is known as an O-ring, which is used primarily in machinery. O-rings are commonly used to prevent the fluid from leaking out. They also act as a buffer between moving parts so that friction can be reduced or eliminated.

Seals are present for several reasons in the five-finger grab. There are different seals within the excavator five fingers like the C14UH, C18UH, and C22UH. Each has its purpose of ensuring that it performs optimally in different circumstances. The seals also incorporate the optimum amount of pressure in the hydraulic components to keep the efficiency of your excavator’s finger grab at an optimum level.

13. What role does a quick hydraulic coupler play in excavator 5 fingers grab?

A quick hydraulic coupler allows the excavator operator to swap out the excavator 5 finger grab on their machine without using a crane; it is an excellent safety feature. Given excavator designs, there are many different types of hydraulic couplers used. A quick hydraulic coupler contributes to the control of the device.

Quick couplers are also known as quick hitch or quick couplers, and they allow you to hook up tools without any adjustment to the device. It is installed at the end of an excavator’s arm. Quick coupler helps your excavator five-finger grab to move in any desired direction. This also prevents the extraction or retraction of your five fingers grabs beyond the optimum limit.

14. What is the role of gear in excavator 5 finger grab rotator?

The gear for the rotation of the five-finger grab plays a significant role in carrying out its function optimally. The gear in the excavator’s finger grab rotator protects the excavator from overloading. It also makes the operation of the excavator safe from overloads. Without gears in the excavator’s finger grab rotator, it can’t work.

Excavator 5 finger grab rotator is the main rotator of excavators, and it includes gearbox, rotation motor, 5 finger mechanism, and air-oil hydraulic pump. The working principle of the excavator’s finger grab rotator is that when rotating the motorman shaft, power is transmitted through the gear box to turn ate five-finger mechanism.

15. What type of oil goes into the excavator 5 fingers grab?

There are several different types of oils in the market that you can use in your excavator 5 finger grab. Some of the widely used oils are as follows.

There are two types of oil,

• Hydraulic Oil

In 5 finger grab for excavators, hydraulic oil is used to lubricate the spool valve and make it easy to open and close the jaws of the grab. The Fluorinert is one of them. It’s a type of oil that has a low viscosity yet a high thermal conductivity. This oil can be sprayed into a system using a method known as “atomizing.” This type of spraying produces a cooling mist effect inside the hydraulic cylinders, which helps keep the system cool when working under heated conditions.

16. What are the problems associated with the excavator 5 finger grab?

Multiple issues may result in your excavator 5 finger grab. The main problems include:

• Wear and tear on your excavator five fingers grab because of harsh working conditions.
• Power loss or pressure loss due to the minimum amount of oil in your excavator five-finger grab.
• The absence of oil may lead to overheating and adds friction to your excavator’s finger grab.
• The improper mounting may result in breakage of the body of the excavator’s five-finger grab.
• The quality of material used in manufacturing is not up to the standard of your excavator.
• Design specifications and parameters may not be up to the mark or compatible with the model of your excavator.

17. What characteristics are embedded in the excavator’s five fingers grab oil?

Excavator 5 finger grab oil is of good quality and has good hardness and wear-resisting performance. It’s of mature design, of stable quality, and advanced additives. And it has good temperature resistance, good aging resistance, and long-wearing performance. The pressure range of excavator 5 finger grab oil is applied from 0.7MPa to 7MPa,

Excavator 5 finger grab oil is neutral,

• The lubrication purpose of excavator 5 finger grab oil is to reduce the parts of the system from the abrasion,
• It has a specific pressure resistance character,
• Flowability is very large,
• It can ensure the device movement smoothly and flexible characteristics

These characteristics enhance the efficiency and effectiveness of your operation, which adds up to the life of your excavator’s finger grab.

18. How to choose an excavator 5 finger grab?

There are several things you need to consider while choosing your excavator five-finger grab. Some of the primary considerations include: Be aware of the model and quality of the excavator’s five-finger grab. You can choose a design based on your needs and preferences. Choose the excavator 5 finger grab based on the amount and type of materials to lift, as well as the reach and maneuverability of the grab.

High-quality steel ensures maximum wear resistance and safety, considering the difficulty level of installation and removing the fingers, changing faces, or other tools. The correct choice will make your job easier and safer, while the incorrect choice could result in reduced productivity and loss of efficiency.

19. What is the role of valves in excavator 5 fingers grab?

Valves play an essential role in excavator five-finger grab. Valves are installed on the cylinders of the machine. They help to control the flow of fluid within the hydraulics system.  There are mainly some valves, check valves, relief valves, directional control valves, and shut-off valves.

The construction of valves is a very complex and intricate process. The primary function of these valves is to allow the flow of fluids at a desired pressure by blocking it when there is no pressure on them due to changes in force or direction. The primary function of valves in excavator five finger grab is that they indirectly help lift and lower your excavator five finger grabs.

20. What is the role of fingers in excavator 5 fingers grab?

An excavator’s five-finger grab is used to dig the earth and collect material. The excavator’s five fingers grab to contribute to both of these functions; for this reason, there are many different designs of fingers for each type of hand. Some fingers are curly to firm grip and intake the more considerable amount of material being lifted.

While other fingers are less inclined, which only use to grab the material and do not hold many materials. The design should fit the size of the machine, which should include the size of the material being moved so that it can pick up or turn over materials without having trouble lifting or controlling the load during transportation.

21. What causes the failure of an excavator 5 finger grab?

The failure of an excavator 5 finger grab is usually caused by one or more of the following.

• The hydraulic cylinder is not well designed.
• The hydraulic cylinder bracket is bolted to the wrong surface (usually made up of two pieces that can be fastened in any position).
• Finger cylinders are used to pick up material too wide for safe use in an excavator’s arm.

Excavator 5 finger grabs tend to impact the cylinder when in use. When this happens, it can affect the connection point resulting in a breakdown in regular operation. This failure occurs when improper design and manufacturing techniques are used when manufacturing these pieces of equipment.

22. What is the role of angle in excavator 5 fingers grab?

The angle in fingers has a significant role in the effective operation of your excavator 5 finger grab. The finger angle is the angle of the finger to the vertical, which affects how effectively the fingers grab the material. For example, if the finger is angled forward at 45°, the material will tend to slide down off of it unless it is lifted slightly off of the surface.

Excavators operate at finger angles greater than 30°; some can manage with finger angles as high as 55°. The angle desired by various materials in digging or moving operation varies from material to material. You must select the excavator 5 finger grab as per your needs or type of application.

23. What are the benefits of excavator 5 finger grabs?

Excavator 5 finger grab has a lot of benefits. Some of the main benefits are as follows: Using the 5 finger grab allows for quick and easy movement of debris or material desired to be moved. The robust steel can withstand loads of weight while large amounts of materials are being hoisted up.

Excavator 5 finger grab facilitates a new level of versatility and ergonomics for excavators. It has been developed as a means of improving comfort and productivity for both operator and machine. Adjusted reach, making it easier to place the fingers on-site and reducing the chances of your back injury.