Construction machinery

Tungsten carbide (hard alloy), with its core advantages of ultra-high hardness, wear resistance, impact resistance, and high-temperature creep resistance, perfectly meets the stringent requirements of "high strength, high load, and harsh working condition tolerance" for construction machinery parts. It is widely used in key component manufacturing and precision machining tools, summarized as follows:

In the manufacturing of core components for construction machinery, tungsten carbide is the core material for wear-resistant and easily damaged parts. Excavator and loader bucket teeth, blades, and side edges, which are prone to wear, are made of tungsten carbide inserts or solid tungsten carbide. Their wear resistance is 10-15 times that of ordinary alloy steel, and they can withstand the severe erosion and impact of rocks and sand, extending component life by 3-5 times. Crusher hammers, liners, and jaw plates, relying on the high hardness (HRA 85-93) and impact resistance of tungsten carbide, can efficiently crush hard materials such as ores and concrete, reducing downtime losses caused by frequent replacements.

In the precision machining process of construction machinery, tungsten carbide tools are a guarantee of efficient production. For critical components of hydraulic systems such as hydraulic pump/motor rotors, cylinders, and valve cores, tungsten carbide boring tools and reamers can precisely machine cast iron and high-strength alloy steel, ensuring the sealing performance and motion accuracy of hydraulic components. For gear machining of walking system components such as track plates, drive wheels, and guide wheels, tungsten carbide hobs and gear shapers are used. These tools offer excellent wear resistance, enabling batch processing without precision degradation, meeting the heavy-duty transmission requirements of engineering machinery.

In forming processes, tungsten carbide molds support mass production of parts. For precision forging of structural components such as gears, connecting rods, and crankshafts in engineering machinery, tungsten carbide-based composite molds are used. These molds maintain shape stability under high temperature and pressure (800-1000℃), ensuring dimensional tolerances of forgings are controlled within ±0.03mm. For powder metallurgy forming of parts such as hydraulic valve blocks and connectors, tungsten carbide molds are wear-resistant and anti-adhesion, enabling tens of thousands of forming cycles, reducing machining allowances, and lowering production costs.

In addition, components such as drill bits, chisels (used for geological exploration and foundation construction), and ripper tips of construction machinery, thanks to the high rigidity and fatigue resistance of tungsten steel, can operate efficiently in complex geological environments, fully supporting the stable operation and performance upgrade of construction machinery in harsh scenarios such as mines, infrastructure, and construction.