Manufacturer & Supplier of Custom Construction Machinery Part Castings with 17 Years' Expertise.
As an important equipment in engineering machinery, loaders are widely used in mining, construction, ports, agriculture and other fields. As the core working part of the bucket, the wear resistance, impact resistance and service life of its blade (shovel blade) directly affect the operating efficiency and operating costs. Under special working conditions (such as high wear, strong impact, corrosive environment, etc.), standard bucket blades often cannot meet the needs, so customized solutions are needed.
This time, Yuezhong will customize the bucket blade solutions under different special working conditions, combined with actual data and application cases, to help users choose the optimal configuration and improve equipment performance and economic benefits.
The main failure forms of bucket blades include: wear (such as mining gravel, sandy soil conditions) impact fracture (such as hard rock, frozen soil conditions) corrosion (such as saline-alkali land, port humid environment). Different working conditions have different requirements for blade materials, structures, heat treatment processes, etc.
High wear conditions (such as mines and gravel fields) In environments such as sandstone and iron ore, the bucket blade continuously rubs against high-hardness materials, resulting in rapid wear. Data shows that the service life of ordinary carbon steel blades in granite conditions is only about 100-200 hours, while the use of high-wear-resistant alloy blades can be increased to 500-800 hours.
When crushing hard rock or frozen soil, the blade is subjected to huge impact force and is prone to cracking or breaking. At this time, the blade needs to have high toughness, such as using bainitic steel or composite wear-resistant steel plates, and optimizing the structural design (such as reinforcing ribs, segmented blades).
Seawater, salt spray or chemical corrosion environments in corrosive environments (such as ports and saline-alkali land) will accelerate blade rust, and stainless steel composite blades or surface coating treatment (such as chrome plating, spraying tungsten carbide) are required.
Therefore, the following customized solutions can be adopted for different working conditions:
Working conditions | Recommended Materials | Hardness (HRC) | Service life comparison |
Ordinary earthwork | Medium Carbon Steel (Q345) | 35-45 | Benchmarks |
Highly abrasive gravel | NM400/NM500 wear-resistant steel | 45-55 | 3-5 times |
Strong impact hard rock | Bainitic Steel (B-Hard) | 50-55 (high toughness) | 2-3 times |
Corrosive environment | Stainless steel composite plates | 40-50 | 2-4 times |
Structural optimization reduces the risk of overall fracture and facilitates partial replacement. Improves impact resistance and is suitable for hard rock conditions. Reduces maintenance costs and extends the life of the bucket body.
Surface treatment technology, surfacing wear-resistant layer: suitable for extreme wear environments, can increase life by 30%-50%. Tungsten carbide spraying (WC-Co): suitable for high wear + corrosion conditions, wear resistance increased by 5-8 times. Laser cladding: high-precision wear-resistant layer repair, suitable for high-end applications.
How to choose the right customized solution
1. Analyze the working conditions: determine the main wear type (abrasive wear, impact, corrosion).
2. Material testing: try different materials in small batches to compare life and cost.
3. Structural optimization: choose integral or segmented design according to load conditions.
4. Maintenance strategy: consider replaceable blade design to reduce long-term costs.
Under special working conditions, standard bucket blades are difficult to meet the needs, and customized solutions can significantly improve equipment performance and economic benefits. By optimizing materials, structures and surface treatment technologies, users can choose the most suitable solution according to specific working conditions to achieve longer life, lower maintenance costs and higher operating efficiency!
West side of National Highway 206, Liuguanzhuang Town, Ju County, Rizhao City, Shandong Province, China