China, as a leading global manufacturer of construction machinery, has consistently ranked first in production and sales for many years. Renowned companies such as Sany, Xugong, Zoomlion, and Shantui are among the best in the world, with their advanced manufacturing capabilities and high-end product quality serving as strong foundations for recognition. At their production sites, numerous cutting-edge machine tools and tool products are employed, ensuring both high-quality part production and efficient processing. Among these suppliers is Walter, a top-tier brand known for its superior performance in machining critical components of construction machinery. Their solutions have helped engineering machinery companies gain a competitive edge.
Shantui Tracked Chassis Division is the largest crawler chassis manufacturer in China, with extensive expertise in processing high-hardness special steel crawler chassis. This expertise is crucial, as the track undercarriage is a key component that must withstand harsh conditions and frequent wear. As a result, materials used are often heat-treated special steels with hardness reaching up to HRC60. The challenge lies in achieving high-quality finishing while maintaining efficiency, which requires not only advanced equipment but also high-performance cutting tools. Tools must be durable and capable of handling mass production demands.
Yin Yanming, Vice Minister of Process Technology at Shantui, has witnessed the integration of advanced technologies into the production of crawler chassis parts. When it came to selecting the right cutting tools for the challenging process of machining high-hardness special steel, Walter's products stood out. In the boring and drilling processes, Walter provided customized solutions, including non-standard compound boring tools and standard 3-fold Xtra·tec indexable shallow hole drills. These tools significantly improved efficiency and reduced tool wear, with service life extending from 1,000 pieces to 2,000 pieces.
The PM5 grooved edge on Walter’s inserts offers exceptional protection and sharpness, making them ideal for processing difficult materials like high-hardness steel. The tiger blade coating, featuring alumina on the rake face and TiN on the flank, enhances wear resistance and makes it easier to monitor tool condition. This combination ensures high stability and long service life, directly contributing to improved productivity and quality.
In recent years, Walter introduced the Silver Tiger Blade, an upgraded version with enhanced toughness and thermal resistance. This innovation allows for even greater efficiency and durability, further supporting Shantui’s leadership in the crawler chassis market. The collaboration between Shantui and Walter has been built on trust and problem-solving, dating back to a critical trial production in 2007. At that time, Walter’s tools enabled the successful completion of new product development, proving their reliability and value.
Today, Shantui’s Track Undercarriage Division operates with state-of-the-art facilities, including multiple specialized production lines and over 175 advanced CNC machines. The combination of dual-spindle vertical machining centers and Walter tools remains one of the most effective setups in the industry. Continuous training and technical support from Walter have also played a vital role in optimizing processes and improving overall performance.
Through long-term cooperation, both Shantui and Walter have benefited greatly. Shantui’s demanding standards push Walter to innovate and deliver solutions that meet the highest expectations. In turn, Shantui continues to enhance its production efficiency and maintain its position as a leader in the construction machinery industry. With ongoing collaboration and mutual growth, the future looks promising for both companies.
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