How To Produce A Crawler Crane Track Chain?

Immerse yourself in the intricate process of producing a crane track chain, learn about material selection, precise manufacturing techniques, and quality control measures. Armed with this knowledge, you can confidently choose the chains for tracks that meets your requirements for durability and performance.

Five Steps To Make A Track chain for crawler crane

select material

Forging & Machining

Heat Treatment

Assembly & Welding

Surface treatment

Here are five steps involved in making a crawler crane track chain.

First-Select Material

To begin making a track chain for crawler crane, the first step is to select the appropriate materials. We commonly used materials include 40Mn2, 35MnB, and 35MnBH, among others. These materials are known for their excellent mechanical properties, including high tensile strength and toughness. They are sourced from reputable material suppliers who adhere to strict quality standards.

Second-forging&Machining

The forging process of crane track chains involves preparing high-strength alloy steel, shaping it through multiple forging strokes and heat cycles, and then rapidly cooling and cleaning the chain links. In the machining process, the forged chain links are cut to length, drilled for mounting bolts, and undergo roughing and finishing operations using specialized machinery. 

The most important step-heat treatment

Heat treatment is a vital and intricate process in the production of crane track chains. The chain links are subjected to carefully controlled heating in a furnace, reaching specific temperatures based on material composition and design requirements. Quenching is then performed, rapidly cooling the chain links in various media to enhance their hardness and strength. Subsequently, tempering is carried out to reduce brittleness and improve toughness. The heat-treated chain links undergo rapid cooling and meticulous cleaning, ensuring the removal of surface oxides and impurities. This meticulous heat treatment process guarantees superior mechanical properties, enabling the chain links to withstand demanding operational conditions with exceptional wear resistance.

Fourth-Assembly&Welding

The assembly and welding process of crawler crane track chains is a critical phase that ensures the integrity and functionality of the final product. It involves precise combination of components, such as chain links, bushings, and pins, according to design specifications. Specialized assembly equipment and tools are used to ensure accurate positioning and proper matching. Skilled welders employ specialized equipment and procedures to create strong and durable welds, preventing chain loosening or detachment.

Finally-Surface Treatment

Spray coating is a common surface treatment method for crane track chains, providing improved wear and corrosion resistance. Plastic spraying involves applying powder coating and curing it at high temperatures for enhanced protection and aesthetics. Plastic coating, on the other hand, involves applying liquid coating for a smoother and more even finish with customizable color and gloss options to suit customer preferences.

Why customer need to know the making process of track chain?

Understanding the making process of crawler crane track chains is important for customers for two main reasons.

Track Chain is an important part for crawler crane undercarriage

The crane track chain is an essential and crucial component of a crane’s undercarriage system. It plays a pivotal role in supporting and transferring the weight of the crane, providing stability and mobility to the machine. The track chain for crawler crane is responsible for transmitting the driving force from the engine to the tracks, enabling the crane to move smoothly on various terrains.

By having knowledge of the track chain’s importance, customers can make informed decisions when selecting or maintaining their crawler crane. You understand the significance of investing in high-quality chains for tracks that are designed to withstand the demanding conditions and provide long-lasting performance. Being aware of the importance of the track chain helps you prioritize regular inspections, maintenance, and timely replacements to ensure the optimal functioning and longevity of their crawler crane’s undercarriage system.

the convenience of customization

With our own factory and partnerships with over twenty brands, Value Crane has the technical expertise and production capabilities to fulfill all your customization needs for crawler crane parts. 

Knowing the making process enables customers to understand the possibilities and limitations when it comes to customizing the chains for tracks. You can have a better understanding of the various options available, such as different materials, heat treatment methods, or surface treatments. This knowledge empowers you to work closely with us to tailor the track chains to your specific needs and operating conditions. Customization ensures that the crane track chains are optimized for your particular applications, leading to improved efficiency, reduced downtime, and overall cost-effectiveness.

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