From May 22 to 25, 2025, the core teams from Duma Machinery Organization Company’s departments of technology R&D, marketing, and sales traveled specifically to Nanning to attend the 2025 Guangxi International Mining Exhibition. The purpose of this visit was to gain a deeper understanding of the latest global trends in mining equipment and stay abreast of technological advancements in the crushing industry—providing crucial insights that will inform the company’s product innovation and strategic planning.
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2025
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05
In industries such as mining, metallurgy, and building materials, the durability of crusher wear parts directly impacts the equipment's service life and production efficiency. As a manufacturer of high-manganese steel castings, China's crusher wear parts factory has significantly enhanced the strength, toughness, and wear resistance of manganese steel castings through scientifically optimized heat treatment processes, ensuring they meet the demands of even the most challenging operating conditions. This article will provide a detailed introduction to the heat treatment technologies used for wear-resistant manganese steel castings, along with an exploration of their practical applications in real-world production settings.
23
2025
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05
Analysis of the Three Major Types of Casting Defects in Crusher Mechanical Parts
When casting various crusher machine parts—such as jaw plates, impact hammers, moving jaw liners, and other wear-resistant castings for crushers—the key to ensuring product quality lies in preventing casting defects. As a critical step in China's production of manganese steel castings, the casting process for crusher machine components directly affects the service life of the equipment. Below are three common types of casting defects along with their characteristic analyses:
22
2025
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05
Analysis of Factory Hardness Testing Methods for Customized Crusher Wear Parts
The hardness specification of customized crusher wear parts is a key factor in assessing their quality, making hardness testing essential for wear-resistant castings. As a professional supplier of high-manganese steel castings, we will introduce you to several commonly used hardness testing methods.
21
2025
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05
Key Points Analysis of Casting Processes for Wear Parts in Mining Crushers
In the production process of wear parts for mining crushers, the quality of the casting process directly determines the service life of the components and the operational efficiency of the equipment. As critical casting parts for crushers, their quality significantly impacts the overall stability of the crushing system. Below are two core steps that must be carefully addressed in the manufacturing of crusher accessory castings:
20
2025
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05
Conical Crusher Replacement and Wear Part Maintenance Guide
Wear parts for cone crushers are critical to the efficient operation of the equipment, primarily including core replacement components such as cone liners, bowl liners, and bronze bushings. As high-frequency replacement parts recommended by China's leading supplier of crusher wear components, their proper maintenance directly impacts the overall lifespan of the machine.
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2025
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Duma Machinery's main products include: mantle and concave liners, crushing walls, and distribution plates for cone crushers; jaw plates, side guards, and pressure bars for jaw crushers; lining plates for ball mills, autogenous mills, and other equipment; impact crusher hammers and impact plates; as well as hammer heads, screen bars, liner blocks, and other wear-resistant alloy steel components for metal shredders.