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The counterattack breaker hammer models vary significantly—Duma Machinery advises customers to choose carefully.

2025/02/13

The counterattack breaker hammer models vary significantly—Duma Machinery advises customers to choose carefully.

The counterattack breaker plate hammer, a critical component of the impact crusher, comes in widely available models such as 1214 and 1315 on the market. However, despite identical model names, counterattack breaker plate hammers of the same model produced by different manufacturers often fail to be universally compatible in practical applications. This discrepancy frequently leads to confusion among end customers during purchasing, sometimes even resulting in incorrect product choices.

A professional manufacturer of innovative high-manganese steel alloy fixed and moving jaw plates—Duma Machinery

2025/02/12

A professional manufacturer of innovative high-manganese steel alloy fixed and moving jaw plates—Duma Machinery

The large jaw crusher tooth plate is a common wear-resistant and easily damaged component in jaw crushers, typically made from high-manganese steel or ultra-high-manganese steel. Based on actual operating conditions, Duma Machinery has developed a new type of micro-alloyed high-manganese steel toggle and fixed jaw plate, which demonstrates significant improvements over traditional high-manganese steel jaw crusher tooth plates—in terms of mechanical performance, wear resistance, and service life.

High-performance Austenitic Manganese Steel Crusher Hammer Heads Optimized for Cement Crushing

2025/02/11

High-performance Austenitic Manganese Steel Crusher Hammer Heads Optimized for Cement Crushing

As wear-resistant components for hammer crushers, the manufacturing process and performance of large hammer crusher hammers directly influence the output, quality, equipment safety, and service life of limestone crushing—and even more critically, they determine the stable operation of cement production lines. Therefore, these components have drawn significant attention from both equipment manufacturers and cement-producing enterprises.

Duma Machinery specializes in the production of advanced high-manganese alloy castings, including moving and stationary cone liners, jaw plates, and more.

2025/02/10

Duma Machinery specializes in the production of advanced high-manganese alloy castings, including moving and stationary cone liners, jaw plates, and more.

High-manganese steel, a traditional wear-resistant material, exhibits an austenitic microstructure during use. Under intense impact and compressive loads, the surface of high-manganese steel castings undergoes work hardening, increasing the hardness from its original value of approximately 200 HBS to over 500 HBW. Meanwhile, the core region of the casting retains excellent toughness.

The Three Key Factors Influencing the Performance and Lifespan of Cone Crusher Mantle and Concave Liner

2025/02/08

The Three Key Factors Influencing the Performance and Lifespan of Cone Crusher Mantle and Concave Liner

In industries such as mining, construction, railways, and highways, crushers are core equipment, primarily used for crushing ores and rocks of medium to medium-to-hard hardness. The wear-resistant components of crushers—especially the mantle and bowl liners in cone crushers—play a decisive role in determining the efficiency of the crushing process.

What is the purpose of the side plates/jaw plates in a jaw crusher?

2025/02/07

What is the purpose of the side plates/jaw plates in a jaw crusher?

The side plates or side liners of a jaw crusher, commonly referred to as "cheek plates," are one of the machine's critical wear-resistant components. Primarily located on the inner walls of the crushing chamber, they serve to provide the crusher with a robust, abrasion-resistant contact surface, ensuring efficient operation during the crushing process.

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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.

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