cutting edges and end bits are to suit dozers, scrapers, graders, loaders and excavators
TIGERLEVEL have a complete range of blades, edges and end bits, shanks, teeth, ripper tynes, router bits and plow bolts and nuts to suit virtually every machine. Customer parts can be made to suit specialist requirements.We stock a complete range of thicknesses in standard and heavy duty.Our bits and edges are heat treated through hardened, quenched and tempered alloy steel.
A wide range of grader blades is available in two specifiions
High Carbon steelC80, and 30MnB for
Double bevelled curved
Double bevelled flat
Flat Grader Blades
· Curved Grader Blades
· Serrated Grader Blades
A wide range of cutting edges is available in two specifiions
16Mn, and 30MnB for
Double bevelled Flat
Single bevelled flat
End bits
Blades and cutting edges are the frontline, wear components attached to the leading edges of buckets, blades, and other digging or grading attachments on heavy machinery like excavators, loaders, and bulldozers. They are the primary points of contact with abrasive materials like soil, rock, and rubble, designed to penetrate, cut, and slice through the ground efficiently while protecting the much more expensive base attachment from rapid wear.
1. Key Functions and Importance
Penetration and Efficiency: A sharp, robust cutting edge concentrates force onto a narrow area, significantly reducing the energy required to dig into compacted or frozen material, thereby improving machine productivity and fuel efficiency.
Material Protection: They act as a sacrificial wear part. Instead of the bucket's main body wearing down, the relatively inexpensive and easily replaceable cutting edge absorbs the abrasion.
Load Retention: Properly maintained edges help create a clean cut, allowing the bucket to fill more completely and retain material better during lifting and transport.
Specialized Tasks: Different profiles (e.g., straight, spade-nose, serrated) are optimized for specific applications like grading, trenching, or rock digging.
2. Materials and Manufacturing
Cutting edges and blades are typically made from **high-strength, abrasion-resistant steel (AR steel)**. This steel is alloyed and heat-treated to achieve an optimal balance of:
Surface Hardness: To resist abrasive wear (measured on the Brinell or Rockwell scale).
Core Toughness: To withstand high-impact loads without cracking or breaking.
Manufacturing processes like quenching and temperingare critical to achieving these properties. Some advanced edges may also feature hardfacing—a layer of extremely hard weld material applied to critical wear zones for extended life.
3. Maintenance and Economics
Regular Inspection and Rotation: Straight cutting edges can often be rotated (flipped top to bottom) to utilize both wear surfaces before replacement. End bits and teeth should be checked for excessive wear or breakage.
Timely Replacement: Worn-out edges dramatically increase digging resistance, strain the machine's hydraulic system, accelerate wear on the base bucket, and lead to higher fuel consumption. Replacing them on schedule is a key cost-saving maintenance practice.
grader blades and cutting edges are essential wear parts installed on motor graders and other road maintenance equipment. These components are primarily used for leveling, grading, spreading, and shaping materials such as soil, gravel, sand, and asphalt. Because they are in direct contact with abrasive ground surfaces, Grader Blades and Cutting Edges must offer strong wear resistance, structural strength, and consistent cutting performance.
In Road Construction and maintenance projects, Grader Blades and Cutting Edges play a critical role in achieving smooth surfaces and precise slopes. The blade cuts, moves, and redistributes material to create accurate grade profiles. High-quality Grader Blades and Cutting Edges improve operational efficiency, reduce machine vibration, and help maintain stable cutting angles during continuous use.
Most Grader Blades and Cutting Edges are manufactured from high-carbon steel or alloy steel. Heat treatment processes such as quenching and tempering are commonly applied to enhance hardness and wear resistance. In heavy-duty applications, boron steel is frequently used because it offers a balance between toughness and abrasion resistance.
Precision drilling and edge profiling ensure that Grader Blades and Cutting Edges fit securely onto grader moldboards. Accurate bolt hole spacing and consistent thickness are important factors in maintaining proper alignment and preventing uneven wear.
Different job conditions require different configurations of Grader Blades and Cutting Edges. Straight edges are suitable for general grading tasks, while curved edges improve material rolling efficiency. Serrated edges are often used for ice or compacted surfaces, as they provide enhanced penetration.
Below is a comparison of common types of Grader Blades and Cutting Edges:
| Type | Material | Application Area | Wear Resistance | Installation Type | Service Life |
|---|---|---|---|---|---|
| Standard Straight Edge | High Carbon Steel | General road grading | Medium | Bolt-On | Medium |
| Curved Cutting Edge | Alloy Steel | Material spreading | High | Bolt-On | Long |
| Serrated Edge | Alloy Steel | Ice and compacted surfaces | High | Bolt-On | Medium-Long |
| Heat-Treated Edge | Boron Steel | Heavy-duty grading | Very High | Bolt-On | Long |
| Double Bevel Edge | High Carbon Steel | Reversible applications | Medium-High | Bolt-On | Medium |
Grader Blades and Cutting Edges must maintain sharpness while resisting cracking and deformation. Balanced hardness prevents excessive brittleness, while proper thickness ensures structural stability. Even wear distribution is critical, as uneven wear can affect grading accuracy and machine stability.
Heat-treated Grader Blades and Cutting Edges typically provide longer service life under abrasive conditions. However, selecting the correct type depends on soil conditions, project scale, and equipment specifications.
Regular inspection of Grader Blades and Cutting Edges helps prevent downtime. Operators should monitor bolt tightness, edge wear patterns, and thickness reduction. Reversible designs allow both sides of the blade to be used, extending operational life and reducing maintenance frequency.
Timely replacement of worn Grader Blades and Cutting Edges improves grading precision and protects other machine components from excessive stress. Proper storage in dry conditions also prevents corrosion and preserves surface integrity.
Grader Blades and Cutting Edges are critical components in road construction, land development, and maintenance operations. Their material composition, heat treatment, and structural design directly influence cutting efficiency and durability. By selecting suitable Grader Blades and Cutting Edges and maintaining them properly, operators can achieve consistent grading performance and extended equipment lifespan.
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Factory 1：Hanjia village , Baidu industrial zone , Fenghua Area ,Ningbo City,315145 Zhejiang Province ,China
Factory 2：No.2 Chongfeng Rd , Sihong Town,Suqian city 223900 ,Jiangsu Province ,China
Sales Office：Rm1803, Changjiang international Building ,Beilun Area ,Ningbo city 315806, Zhejiang ,Province
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