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Grader Blades

FH-ND: Your Professional Grader Blades Manufacturer!

FH-ND was founded in 2005, located in Ningbo which is the famous city of export in China. After the development with a long history, we have become one of the famous manufacturers of ground engaging tools(G.E.T) in construction machinery and mining machinery areas. FH-ND is also an OEM and supplies high-quality wear parts to many famous companies in the world.

 

 

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Why Choose Us

Rich Experience

Ningbo Fenghua ND Machinery Co., Ltd. was established in 2005 and has more than 10 years of experience in the research and development of wear-resistant castings, including bucket teeth, tooth seat edge plates, and other products for construction machinery.

Broad Market

Our parts are already exported to more than 50 countries in the world, mainly to Canada, the USA, Australia, Spain, Sweden, UK, Poland, Italy, Russia, Ukraine, Saudi Arabia, Kuwait, U.A.E., Peru, Chile, Brazil, Argentina, Egypt, Sudan, Algeria, South Africa, India, Myanmar, Korea, Singapore, etc.

Wide Product Range

The company offers a comprehensive range of products, covering most of the world's excavators, bulldozers, loaders, graders, and other wear-resistant accessories.

 

 

Quality Assurance

Using self-developed high-strength, high-quality wear-resistant steel, coupled with scientific and efficient production processes and strict quality management procedures, the company ensures that its products provide customers with high quality and cost-effective solutions.

 

Brief Introduction to Grader Blades

 

 

A grader blade, often mounted on tractors, is a versatile implement designed to level, grade and contour surfaces with precision. With a sturdy blade that can be adjusted to various angles, agricultural grader blades prove crucial for tasks like smoothing driveways, grading fields or even clearing snow. The beauty of a grader blade lies in its adaptability, making it a must-have for farmers seeking efficiency in terrain management.

 

7D1158 Cat Style 7 Foot Grader Blade Cutting Edge

 

Working Principle of Grader Blades

A grader blade typically consists of three parts - the cutting edge, the moldboard, and the scarifier bar. The cutting edge comes into contact with the surface being graded or cleared. The moldboard helps shape and contour that surface; it also helps prevent material from spilling over the blade's sides. Finally, the scarifier bar helps break up any material that may be too hard for the cutting edge to handle.

 

Advantages of Grader Blades
 

Using Grader Blades for construction projects has numerous benefits. These types of blades are made with high-quality steel and have undergone a heating process that makes them stronger, more durable, and resistant to wear and tear. One of the main advantages is their ability to withstand extreme temperatures without losing their shape or effectiveness.

 

Another benefit of using heat-treated grader blades is that they offer better cutting performance compared to regular blades. They can cut through tough materials such as asphalt or concrete with ease, resulting in smoother surfaces during grading operations.

 

Heat-treated grader blades also require less maintenance than standard blades because they are less prone to cracks, chips, and other forms of damage over time. This means that you can save money on repairs and replacement costs in the long run by investing in heat-treated options.

 

Moreover, these types of blades are available in different sizes and shapes depending on your specific project requirements.

 

Types of Grader Blades
 
 

Using the right style of blade for your application will help you buy fewer edges, have less downtime, and spend less money on labor and hardware.

 

Flat Edges

Best suited for applications when the material does not need to be carried to be redistributed and for ditching or general gravel maintenance.

 
 

Serrated Edges

Best suited for applications when increased ground penetration is required to move surface materials.

 
 

Curved Edges

Best suited for applications when existing material is carried and redistributed along the top layer to create a smooth and flat finished road surface.

 
 

Scarifier Edges

Best suited for applications when the ground is heavily compacted, contains heavy rocks, paved with asphalt, or has heavy ice.

 

 

 

How to Use a Grader Blade for Maximum Efficiency

If you're not sure how to use grader blades, follow the instructions below:
Prepare and Inspect - Before embarking on any grading task, conduct a thorough inspection of both the grader blade and the tractor. Ensure all components are in good condition, paying special attention to hydraulic systems and the sharpness of the blade edges. Adequate preparation sets the stage for a smooth and efficient operation.
Adjust Blade for Angle and Depth - The versatility of agricultural grader blades lies in their ability to adapt to different tasks. Adjust the blade to the desired angle and depth based on the nature of the grading job. A flatter angle may be suitable for basic levelling, while a steeper angle could be needed for more intricate contouring.
Perform Slow and Controlled Operation - Initiate the grading process at a slow and controlled speed. This approach not only enhances precision but also minimises the risk of overloading the tractor or placing unnecessary strain on the grader blade. Gradual progress ensures that you can make real-time adjustments as needed.
Regularly Monitor and Adjust - Consistently monitor the grading progress and be prepared to make adjustments on the go. Whether it's altering the blade angle or modifying the depth setting, real-time awareness allows for the achievement of desired contours and levels.
Emphasise Safety - Prioritise safety throughout the entire operation. Be vigilant of your surroundings, especially when navigating uneven terrain or working near obstacles. Maintain a safe distance from bystanders and adhere strictly to the safety guidelines outlined in the equipment manual. Safety is the linchpin to a successful and incident-free grader blade operation.

4T2242 Caterpillar Style Motor Grader Blades

 

Difference Between Grader Blade and Box Blade Based on Features
1

Design:
Grader blades have a simpler design than box blades. It has one plain blade that simply moves in a forward direction. It does not have teeth like scarifiers like a box blade. On the other hand, a box blade is triangular and resembles a metal box. It is equipped with scarifiers, which are instruments that dig into the ground and break it up into smaller pieces. The underside of the back panel has the front and the rear scraping blades. It is important to note that the design of grader blades and box blades is quite different. Grader blades, as compared to box blades, have a more straightforward design.

2

Side Discharge of Materials:
With a grader blade, you may swivel the blade to discharge material from right to left. In comparison, with a box blade, you cannot discharge material from left to right as a grader blade does. The capacity to discharge materials from left to right will improve your working comfort. Therefore, this feature will provide an advantage to the grader blade.

3

Angle Work:
With a grader blade, it is possible to angle or tilt it so that it digs deeper on either side of the road to crown the surface. A box blade may be adjusted by moving the scarifiers teeth up or down. However, A box blade cannot be angled or tilted. Again, the ability to adjust the angle of the blade to left or right will enhance your working comfort. The addition of a feature such as an angled blade will clearly benefit the grader blade.

4

Amount of Material Transport:
The amount of material transported by grader blades, on the other hand, is much lower compared to that of box blades. Box blades can move a large amount of material with ease because of their well-built structure. In my opinion, for moving large quantities of materials, a box blade is an excellent choice.

5

Offset Function:
With a grader blade offset feature, it will be able to shift to the right or left side of the tractor. It enables you to keep the tractor on the road and get it out of the ditch to complete the work. In the case of the box blade, the offset function is unable to be carried out. The blade cannot change from one position to another.

6

Versatility:
A grader blade is useful for transporting lighter materials. It is not capable of smashing hard soil as a box blade would. Grading, the construction of roads and driveways, and snow-blading are common applications for this tool. A box blade is more versatile and could be used in a wider range of scenarios than a grader blade. A range of tasks, such as leveling, grading, backfilling, and spreading gravel or soil, might be made easier with its assistance.

7

Cost:
When compared to the price of a box blade, the cost of purchasing a grader blade is much lower. As it is possible to use a box blade in more circumstances than a grader blade, the price of a box blade, on the other hand, will make you count a little bit of extra money. In terms of cost-efficiency, grader blades are more preferable choice to make between these two.

 

How to Maintain and Care for Grader Blades 

Proper maintenance and care for heat-treated grader blades can extend their lifespan and ensure optimal performance. Here are some tips on how to maintain and care for your heat-treated grader blades: 

Keep the Blades Clean: After each use, clean the blade thoroughly to remove any dirt or debris that may have accumulated. This will prevent rust from forming, which can weaken the blade.

 

Inspect Regularly: Check for any signs of wear or damage regularly so that you can address them before they become a major issue. Replace any worn or damaged parts immediately.

 

Sharpen When Needed: Over time, the blade may become dull due to frequent use. When this happens, it's important to sharpen it using a grinding wheel or file.

 

Store Properly: When not in use, store the grader blades in a dry place where they won't be exposed to moisture or sunlight.

 

Follow Manufacturer Guidelines: Always follow manufacturer guidelines regarding the maintenance and care of your specific brand of heat-treated grader blades.

 

 

How to Select the Best Grader Blade

Matching your grader blade with your operating conditions and desired grading outcomes will have a significant impact on productivity, grade quality, and the stresses placed on your machine. When selecting your grader blade, ensure you consider its length, width, thickness, hardness, whether it should be curved or flat, and whether it should be serrated.

Grader Blade Length
The length of your grader blade should be determined by the size and configuration of the machine it is being fitted to. Most graders require two grader blades, with six, seven or eight-foot blades being the most common.

Grader Blade Width
The width of your grader blade is a key determinant of how well it wears. The standard width is six inches, however eight inches is also a popular width for those seeking increased wear life. There are also less common 10-inch grader blades, as well as the option to produce custom widths for those with unique requirements.

Grader Blade Thickness
Like width, the thickness of your grader blade is a key wear property. The standard grader blade thickness is 5/8-inch, while 3/4-inch and 1-inch thicknesses are also available if your operating conditions require extra wear material. However, consider that increased blade thickness will also increase blade weight, make ground penetration more difficult and place unnecessary stresses on your machine's drivetrain and frame components, so it is important not to choose a thicker blade that an application requires. Lastly, thinner, curved blades are best suited for a final trim.

Curved or Flat Grader Blades
Curved grader blades are best used for applications requiring a penetration and rolling action and are best suited for fine grading and finishing work where a high degree of accuracy and quality are required. Flat grader blades are best suited to heavy road maintenance where the shaping of the road surface is not critical. Their strength and extra wear material make them the preferred option for applications where abrasion and impact resistance are required.

Serrated Grader Blades
Designed to penetrate packed gravel, serrated grader blades deliver better penetration than a continuous edge thanks to increased pressure-per-inch of edge contact. Serrated blades are available in both curved and flat edge styles.

Grader Blade Hardness
A harder grader blade will generally offer better wear protection properties. However, consider that harder grader blades may be more brittle and susceptible to cracking if you hit a large rock during grading. If this occurs the grader blade must be replaced, so it is important to strike a balance between hardness and impact resistance, and choose a supplier who can deliver a grader blade with both.
The two most common methods of hardening grader blades are:

  • Heat treated grader blades which offer through-hardness of 420-512 Brinell;
  • Black, high carbon steel grader blades which offer through-hardness up to 320 Brinell.

 

Our Factory

The company currently employs approximately 350 skilled professionals, boasting an annual output exceeding 20,000 tons.

 

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Ultimate FAQ Guide to Grader Blades

Q: What is a grader blade good for?

A: A grader blade is a versatile tool for road grading, landscaping, and snow removal. Its smoothness, shape, and level make it a necessary tractor attachment.

Q: What size blade does a grader use?

A: The size of a grader blade a tractor can use depends on the power and size of the tractor itself. Blades can range from 60″ (1.5m) to 87″ (2.2m) or even larger. Choosing a blade that suits your tractor and the tasks at hand is essential.

Q: What steel is a grader blade?

A: Most grader blades are made from high-carbon steel, known for its hardness and durability. This ensures the blade can withstand heavy-duty tasks and last for years.

Q: What is the best grader blade angle?

A: The best grader blade angle depends on the specific task. However, an angle between 30 to 45 degrees is generally used for most grading jobs. This provides an optimal balance between cutting power and material flow.

Q: What's better, box blade or grader blade?

A: Both box blades and grader blades have their merits. A box blade is excellent for tasks like levelling and backfilling. In contrast, a grader blade is ideal for smoothing and shaping surfaces. The best choice depends on your specific needs.

Q: How long does a grader blade last?

A: The lifespan of a grader blade depends on the quality of the edge, the type of material it's made from, and how it's used. High-quality steel grader blades used for standard grading tasks can last several years with proper maintenance.

Q: How much does a 7-foot grader blade weigh?

A: The weight of a 7-foot grader blade can vary depending on the model and manufacturer. However, on average, it weighs around 200 to 300 pounds (90-136 kg).

Q: How much does a 6-foot grader blade weigh?

A: Depending on the model and manufacturer, a 6-foot grader blade typically weighs around 150 to 250 pounds (68-113 kg).

Q: What is the most common blade size?

A: The most common grader blade size tends to be around 72 inches (1.8 meters). However, the appropriate size will depend on the tractor's size and the specific task requirements.

Q: Is a land leveller better than a box blade?

A: Both land levellers and box blades are effective for different tasks. A land leveller is excellent for smoothing and levelling large, flat areas. At the same time, a box blade is ideal for more heavy-duty jobs, such as moving large amounts of soil or gravel.

Q: What is a 3-point back blade used for?

A: A 3-point back blade, often attached to a tractor, is used for grading, road maintenance, snow removal, or moving dirt and gravel.

Q: What does the KG blade stand for?

A: "KG" in the KG blade often refers to the weight of the blade in kilograms. However, it could also be a part of the model name or manufacturer's mark. It's best to refer to the manufacturer's information for specific details.

Q: Why choose grader blades?

A: While the proper metal selection is important, the application and environment will often determine which style of blade is needed for your project. Impact, ground penetration, and abrasion resistance will define the prerequisites of your cutting edge. Your selection for grader blades has to penetrate the ground material, not wear excessively, and remain intact during impact operation.
Not sure what grader blades you need? Have a "non-traditional" bucket, box scraper, or grader moldboard? No problem! We will ensure to get the correct information and step you through how to get the right parts for your machine. Choosing the correct grader bits makes a big difference in the motor grader's productivity and performance. We offer a wide selection of grader blades in numerous length, width, and thicknesses.

Q: What are the benefits of using the right grader blade?

A: By correctly matching the features of your grader blade to your machine and operating conditions, you will realize significant productivity benefits in numerous areas.
Blade lifespan and reduced maintenance: With the right grader blade installed, you can expect to see increased service life of your blades. This translates to savings in replacement parts, reduced machinery downtime and associated labour and maintenance costs.
Productivity and running costs: A fit-for-purpose grader blade will perform more efficiently, enabling you to run in higher gear with lower RPMs. This results in reduced wear on your machine – from the drivetrain to the tyres, reduced fuel consumption and emissions, and an improved operator environment with less cabin vibration.

Q: What are grader blades?

A: Grader blades are essential implements attached to your tractor, designed to perform heavy-duty tasks like grading roads, landscaping, or snow removal. They come in many sizes and shapes, each tailored to specific needs. The uniqueness lies in their versatility, the kind of versatility needed to keep your operations on the profitable side of the ledger.

Q: How to choose the right replacement grader blade (cutting edge)?

A: Consider Your Road Conditions
Choosing the right replacement grader blade (cutting edge) is all about the condition of the roads you are grading. Are the roads high-traffic areas that need constant attention? Do your roads tend to develop washboards and potholes often? Are your roads in good shape, but they require a bit of maintenance?
If you need to fix your roads more often because they develop ruts, washboards, and potholes; you need replacement grader blades (cutting edges) that cut through packed material and reshape the road rather than cover up the imperfections.
Serrated or toothed grader cutting edges tend to be better for cutting through the road, but the most important factor is how thin and durable your cutting edges are. If you need to cut out road imperfections often, look for the thinnest/sharpest and most durable grader blades available. If you're looking to simply stay on top of road maintenance instead of completely reshaping the road, it is typically better to use a flat-edge blade. It is still important that your flat edges are sharp and durable.

Q: Determine the Moisture Content of the Road Material

A: It is easier to fix and level your road if the material has a higher moisture content. The moisture provides a lubricant that helps your cutting edge cut through potholes and washboards more easily. While it is easier to grade under wet conditions, some traditional blades aren't made to cut and smooth wetter material properly. For wetter conditions, find a blade that is not going to make the material clump or ball up. Use a toothed or serrated grader cutting edge that will break the material up when cutting the road.

Q: Estimate How Many Hours You Will Be Grading

A: The amount of road you need to repair will determine the wear life you need out of your grader blade. Cutting edges are designed to operate under certain conditions. Although not always the case, one will pay more for long lasting replacement grader blades. Make sure you consider how much time you will be out grading. If you are out working on roads day in and day out, consider buying a cutting edge with a longer wear life. It will save you money and time in the end.

Q: What are the common applications of grader blades?

A: Some of the most common uses of steel blades include:
Creating a new road – A flat edge is often best suited for this application as long as the material is not required to be carried along the road surface.
Heavy-duty road maintenance – A flat blade with a serrated edge is often best suited for this application when better ground penetration is needed.
Grading hard-packed roads or gravel – A curved blade with serrated teeth will penetrate through the top layer and open heavily impacted grounds while pushing materials over the surface to even the leveling.
Reconditioning or refinishing a road – A curved edge carries existing material along the top layer to create a smooth and flat finished road surface.
Breaking through the ice and frozen ground – A curved serrated edge breaks through the ice and frozen earth better than a continuous edge while pushing the material from the road surface.

Q: What are the benefits & uses of steel grader blades?

A: These heat-treated blades provide increased wear resistance at a low price point.
Heat-treated steel blades give greater protection against breakage in higher impact applications.
Sharp steel cutting edges help to protect the main blade assembly and reduce overall machine wear.
Grader blades can reduce dust and bring larger gravel particles to the top of the road surface
Grader blades can reduce the need for continually adding salt and sand to roads in the winter.
Grader blades can reduce washboards, potholes, and other road slope issues.

Q: How long should a grader blade last?

A: If you wait too long before changing the blades, there is the risk of excessive wear on the mouldboard, and if this needs to be replaced, the costs could be high. Most manufacturers recommend checking the grader blades' cutting edge every 25 to 50 hours of service.

Q: Are grader blades hardened?

A: Grader blades are chosen based on two specifications: heat treated grader blades and black high carbon grader blades. Heat-treated grader blades are boron steel that is through hardened to a hardness of 420-512 Brinell compared to standard high carbon steel that has a hardness of up to 320 Brinell.

We're professional grader blades manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy grader blades at competitive price from our factory.

bolt on cutting edge for bucket, loader blade, serrated grader cutting edge