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[Saluting the Workers] Ordinary Lives Create Extraordinary Achievements — A Tribute to Duma Machinery's Dedication to Craftsmanship

2025/05/01

[Saluting the Workers] Ordinary Lives Create Extraordinary Achievements — A Tribute to Duma Machinery's Dedication to Craftsmanship

In the spark-sparking casting workshop, along the precision-grinding assembly line, Duma Machinery's workers use their hands to imbue every wear-resistant casting with "the resilience of steel."

Key technical requirements for coating castings of crusher wear parts: Optimizing casting surface quality

2025/04/30

Key technical requirements for coating castings of crusher wear parts: Optimizing casting surface quality

In the production process of castings for crusher wear parts, both mechanical sand adhesion and chemical sand adhesion pose significant challenges affecting product quality. The pores on the surfaces of molds and cores tend to allow molten metal to seep in during casting, resulting in stubborn mechanical sand adhesion that is difficult to remove. By applying a specialized coating to the surface of crusher wear part castings, these pores can be effectively sealed, blocking the pathways for molten metal penetration and significantly improving the surface finish of the castings.

How to Choose Jaw Crusher Liners and Understand Tooth Profile Classification?

2025/04/29

How to Choose Jaw Crusher Liners and Understand Tooth Profile Classification?

In the fields of mining and construction waste recycling, the selection of jaw crusher liners directly affects equipment efficiency and service life. For different operating conditions, properly choosing quarry jaw crusher wear plates can significantly enhance crushing performance while reducing costs. Below is a professional guide to selecting jaw crusher plates:

How do the moving and fixed jaw plates work together to crush materials?

2025/04/28

How do the moving and fixed jaw plates work together to crush materials?

The jaw crusher, a critical piece of equipment in the coarse crushing stage of material processing, is widely used in industries such as mining and construction. Its core working principle relies on the coordinated action of a moving jaw plate (also known as the movable jaw liner) and a fixed jaw plate (the stationary jaw liner), which crushes materials by squeezing them within a V-shaped crushing chamber formed by the two high-manganese steel jaw plates.

Ball Mill Liners: A Key Component for Enhancing Grinding Efficiency

2025/04/27

Ball Mill Liners: A Key Component for Enhancing Grinding Efficiency

The ball mill liner, as a critical component of the ball mill, plays an irreplaceable role in industrial sectors such as power plants, cement factories, mining operations, and metallurgy. Designed specifically for this purpose, the ball mill liner not only effectively protects the inner wall of the mill cylinder but also significantly enhances the equipment's grinding efficiency—making it an indispensable part of modern industrial production.

A Comprehensive Analysis of the Duma Machinery Casting Jaw Plate Production Process

2025/04/25

A Comprehensive Analysis of the Duma Machinery Casting Jaw Plate Production Process

As a professional jaw plate manufacturer, Duma Machinery boasts a mature technological system in the field of cast jaw plates. Below is a detailed process flow for jaw plates, covering key steps such as melting and heat treatment, ensuring the production of high-wear-resistant, high-strength, premium-quality cast jaw plates.

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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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