Yiteng Machinery deeply cultivates the core technology of excavator bucket teeth, achieving new breakthroughs in wear resistance and service life

2026-08-27 13:50:47

Ningbo Yiteng Machinery Co., Ltd. has made significant technological progress in the research and development of excavator Bucket teeth and bucket tooth Pins. The new high Wear resistant bucket teeth and matching bucket Tooth pin products independently developed by the company have been evaluated by authoritative third-party testing institutions, and their wear resistance life under hard rock conditions has been significantly improved compared to the previous generation of products. The comprehensive performance has reached the advanced level of similar international products, which has won the company a new competitive advantage in the field of engineering machinery wear parts.

The bucket teeth are the core vulnerable parts in the excavator working device that directly come into contact with materials. Their wear resistance and structural reliability directly affect excavation efficiency and construction costs. In hard rock conditions such as mining, quarrying, and tunnels, the service life of a high-quality bucket tooth directly determines the equipment's attendance rate and operational economy. Yiteng Machinery has been deeply involved in the field of construction machinery wear parts for nearly 20 years, accumulating profound technical experience in the research and development of bucket tooth materials, structural design, and manufacturing of supporting fasteners. Its products cover major international standard systems such as GB, DIN, JIS, and ASTM/SAE, and are widely compatible with international mainstream brands such as Caterpillar, Komatsu SUPER V, Volvo, Daewoo, Hyundai, and Liebherr excavators.

The core of this technological breakthrough lies in the systematic optimization of the material and heat treatment process of the bucket tooth body. The company's technical team has developed a new type of bucket tooth material that combines high hardness and excellent toughness through multiple rounds of testing on the ratio of alloy elements such as chromium, molybdenum, and nickel in low-alloy wear-resistant steel. This material ensures that the hardness of the tooth tip reaches HRC 50 or above to ensure excellent wear resistance, while maintaining sufficient impact toughness in the tooth root area, effectively solving the industry problem of "hard makes brittle, tough makes soft" in traditional bucket teeth. In the heat treatment process, the company uses differential quenching technology to apply different cooling rates to different parts of the bucket teeth, resulting in a high hardness martensitic structure at the tooth tip and a high toughness bainitic structure at the tooth root, achieving an ideal mechanical gradient of "external hardness and internal toughness".

In terms of bucket tooth structure design, Yiteng Machinery applied finite element analysis technology to deeply simulate and optimize the force state of bucket teeth. By improving the tooth profile and the fitting structure between the bucket teeth and the bucket lip, the stress concentration at the root of the bucket teeth during excavation has been reduced, and the overall impact resistance and service life of the structure have been enhanced. At the same time, the company has upgraded the matching of the bucket tooth pin and bucket tooth shaft, optimized the fitting accuracy and locking structure between the pin shaft and the Tooth seat, greatly improved the connection reliability of the bucket tooth under high impact and strong vibration conditions, and effectively reduced the risk of bucket Tooth detachment during operation.

In the production and manufacturing process, the company relies on high-precision casting and CNC machining capabilities to achieve independent production of bucket teeth throughout the entire process from casting to precision machining. The automated shot blasting cleaning equipment and CNC machining center introduced by the company ensure the dimensional accuracy and surface quality of each tooth. In accordance with strict factory inspection system, every key indicator from raw material chemical composition, heat treatment metallographic structure to finished product size and hardness distribution is included in the full chain quality traceability system to ensure stable consistency between product batches.

The bucket teeth may seem like consumables, but they are actually the key to excavator productivity. A good bucket tooth can reduce the frequency of replacement and overall construction costs for customers, which is the significance of our continuous investment in research and development. "The company's technical director stated that the company has always regarded technological innovation as the core driving force for enterprise development, and will continue to focus on the core field of engineering machinery wear parts, and continue to deepen its cultivation in new material development, structural optimization design, and intelligent manufacturing in the future.

At present, Yiteng Machinery's bucket teeth and bucket teeth sales products have been exported to dozens of countries and regions such as Europe, the United States, Canada, Australia, etc., and are supporting suppliers for many internationally renowned construction machinery enterprises. The company stated that it will continue to uphold the business philosophy of "quality first, customer first", and provide high-quality tooth solutions for the global construction machinery industry with more advanced technology and reliable quality.