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Surface Treatment Technology for Cemented Carbide Balls 37

cemented Carbide balls (also known as tungsten carbide balls) are widely used in precision bearings, sealing valves, oil drilling, mining tools, and other fields due to their high hardness, wear resistance, corrosion resistance, and high temperature resistance. Surface treatment is one of the key technologies for improving the performance of cemented carbide balls. I. Purposes of Surface Treatment Technology 1. Improve wear resistance: Reduce wear in high-friction environments. 2. Enhance corrosion resistance: Extend service life in harsh chemical environments. 3.…

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Cemented Carbide Balls Sintering Process 38

The sintering process for cemented carbide balls is a key step in producing high-performance cemented carbide balls by combining refractory metal tungsten carbide (WC) with binder metal powders such as cobalt (Co) through powder metallurgy. Its core lies in precisely controlling parameters such as sintering temperature, time, atmosphere, and pressure to achieve a dense bond between powder particles, forming an alloy structure with excellent mechanical properties. I. Process Principle Cemented carbide ball sintering is a typical liquid phase sintering process.…

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Heat Treatment Process of Cemented Carbide Balls 39

The heat treatment process of cemented carbide balls is mainly used to optimize their properties, such as improving hardness, wear resistance and fatigue resistance, while ensuring dimensional accuracy and surface quality. 1. Material Properties of Cemented Carbide Balls Cemented carbide balls are usually made of tungsten carbide (WC) and binders such as cobalt (Co) through powder metallurgy. Its heat treatment process is different from that of ordinary steel, and is mainly concentrated in the sintering and subsequent heat treatment stages…

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Production Process of Tungsten Cemented Carbide Balls 38

The production process of tungsten cemented carbide balls primarily involves powder metallurgy combined with precision machining techniques. The following is an overview of the carbide ball production process: 1. Raw Material Preparation: Material Selection: The primary raw material is tungsten carbide (WC) powder, with cobalt (Co) added as a binder. Small amounts of other carbides (such as TiC and TaC) may be added to improve performance. Batching: The raw materials are accurately weighed according to a specific ratio (e.g., 90-94%…

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Tungsten Cemented Carbide Balls Processing Equipment 34

Tungsten cemented carbide balls processing equipment is primarily determined by the production process, involving multiple steps such as pulverizing, mixing, pressing, sintering, and finishing. The following are common types of processing equipment and their functions, organized based on the characteristics of tungsten cemented carbide balls production: 1. Pulverizing Equipment Ball Mill: Used to grind raw materials such as refractory metal carbides (such as tungsten carbide (WC) and titanium carbide (TiC)) into micron-sized powders. Ball mills use high-speed rotation and grinding…

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Tungsten Carbide Balls Production Equipment 25

The production of tungsten carbide balls involves multiple precision processes, requiring equipment covering raw material processing, forming, sintering, and post-processing. The following are key pieces of equipment and their functions: I. Raw Material Processing Equipment 1. Ball Mill: Function: Mixes and refines raw materials such as tungsten carbide (WC) powder and cobalt (Co) powder to micron-sized particles, ensuring uniform composition. Types: Includes rolling ball mills and stirred ball mills. Rolling ball mills use high-speed tumbling of the abrasive and test…

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Production Technology of Tungsten Carbide Balls 45

Tungsten carbide balls production primarily involves powder metallurgy, combined with high-precision machining and heat treatment techniques. The following are the key production steps and methods: 1. Raw Material Preparation and Powder Preparation: Raw Material Selection: Tungsten carbide balls primarily consist of tungsten carbide (WC) and a binder such as cobalt (Co). Titanium carbide (TiC) or tantalum carbide (TaC) are sometimes added to enhance performance. Powder Mixing: Carbide powder and binder powder are mixed using a high-energy ball mill to ensure…

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Tungsten Carbide Balls Production Steps 48

The production of tungsten carbide balls incorporates advanced technologies such as powder metallurgy, precision pressing, and high-temperature sintering. Each step requires strict control to ensure the product possesses superior properties such as high hardness, high wear resistance, and corrosion resistance. The production steps for tungsten carbide balls are as follows: Raw Material Preparation → Wet Milling and Mixing → Dry Granulation → Molding and Pressing → High-Temperature Sintering → Precision Machining → Quality Inspection → Packaging and Warehousing 1. Raw…

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Tungsten Carbide Balls Manufacturing Process 56

The manufacturing process for tungsten carbide balls primarily includes the following steps, covering the entire process from raw material preparation to finished product inspection: 1. Raw Material Preparation: Raw Material Selection: Select high-purity tungsten carbide (WC) powder, cobalt (Co) powder, or other metal binders (such as nickel and iron), as well as possible additives (such as titanium carbide and niobium carbide) to adjust properties. Batching: Based on the performance requirements of the tungsten carbide ball (such as hardness and wear…

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The Effect of Crystal Structure on the Properties of Cemented Carbide Balls 27

Cemented carbide balls are spherical products made through powder metallurgy, using tungsten carbide (WC) as the primary hard phase and a metal such as cobalt (Co) as a binder phase. Their crystal structure (including the crystal type, lattice parameters, defects, and interfacial structure of the hard and binder phases) plays a decisive role in properties such as hardness, toughness, wear resistance, and corrosion resistance. I. The Effect of the Crystal Structure of the Hard Phase WC As the core hard…

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