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Manufacturing process of ore washing machines

Release time：2026-03-05

Before manufacturing and producing the ore-washing machine, we first conduct scheme design and simulation optimization based on the ore type, mud content, processing capacity, and operating environment. We then prepare drawings, process specifications, and quality control points. High-strength, wear-resistant materials are selected, and the components undergo CNC cutting, mold forming, assembly with specialized tooling, and aging treatment to ensure the rigidity and precision of the main structural parts. Transmission components are precisely machined, and wear-resistant treatments are applied to vulnerable parts. Finally, the entire machine is assembled according to unified standards, and system parameters are adjusted accordingly. After sandblasting to remove rust, the components are coated with multiple layers of protective coatings to enhance their corrosion resistance and erosion resistance. Lastly, the machine undergoes no-load and load tests to verify its ore-washing performance and operational stability. Only after passing these tests will a report be issued and the machine be released for delivery.

I. Design and Process Preparation Phase

The core of this phase lies in source-based quality control and precise matching. Based on the actual operational requirements of the ore-washing machine—such as ore type, silt content, processing capacity, installation environment, and more—we will complete the overall system design and simulation optimization, determine component structures, select appropriate materials, and specify machining accuracy. This will result in comprehensive drawings, process specifications, and quality control points, providing clear standards for subsequent production and helping to avoid manufacturing deviations.

II. Material Preparation and Main Component Fabrication Stage

During material preparation, high-strength, wear-resistant steel plates and profiles are rigorously inspected; only those that pass inspection are put into production. The main structural components undergo precise cutting using CNC technology and are formed by specialized molds. They are then assembled and welded with the aid of jigs and fixtures, employing symmetrical segmented welding techniques to tightly control deformation and residual stresses. After welding, the components undergo aging treatment, correction and reshaping, as well as surface grinding, ensuring that the frame, ore-washing tank, rollers, and other components exhibit consistent rigidity, dimensional accuracy, and installation reference points.

III. Precision Machining Stage for Core Components

The core components are divided into two categories and undergo precision machining: transmission components (such as transmission shafts, wheel hubs, and bearing housings) undergo rough machining, heat treatment, finish machining, and grinding, with strict tolerance control to prevent operational abnormalities. Wear-prone components (such as drum liners, screen meshes, and spiral blades) are made from wear-resistant materials or produced using enhanced manufacturing processes, ensuring both mining efficiency and service life while reducing subsequent maintenance costs.

IV. Standardized Assembly Phase

Assemble according to standardized procedures, using a unified reference point for positioning. Sequentially install the frame, main components (such as the ore-washing tank and drum), transmission system, spraying and water supply/drainage system, and finally, the lubrication, sealing, protection, and electrical control systems. Precisely adjust the mating parameters of each component to ensure smooth, safe, and reliable operation, perfectly tailored to the requirements of ore-cleaning operations.

V. Surface Protection Treatment Stage

Suitable for outdoor and harsh, dusty, and humid working environments, all components are first subjected to sandblasting or shot blasting to remove rust (achieving a surface cleanliness rating of Sa2.5 or higher), followed by dust and oil removal to prevent secondary contamination. Subsequently, a high-pressure airless spraying process is employed to apply protective coatings in multiple layers, ensuring strong adhesion and significantly enhancing the equipment’s resistance to rust, corrosion, weathering, and abrasion from mineral particles.

6. Final Assembly, Debugging, and Factory Inspection Phase

After final assembly is completed, we first conduct a no-load trial run to identify and rectify any issues such as abnormal noises during operation, temperature rise, and leaks. Then, we proceed with loaded commissioning to verify the ore-washing performance, processing capacity, and operational stability. Once all indicators meet the specified standards, we issue an inspection report and complete the factory acceptance.

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