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Grinding Balls for Copper Mining
This type of grinding balls are produced with different chemistries、 steel and cast iron, with chrome contents ranging from 1% to 32% and sizes ranging from 4.8mm to 150mm. Different heat-treatment cycles are used to impart specific metallurgical properties depending on the intended application. Whether the predominant wear mechanism is abrasion, corrosion or impact, NINGHU can offer a product to suit.
What is Grinding Balls for Copper Mining?
Grinding balls for copper mining play a pivotal role in the extraction and processing of copper ore. These robust and high-quality grinding balls are essential components in ensuring efficient ore processing, maximizing throughput, and achieving optimal metal recovery. NINGHU, a leading manufacturer and supplier of grinding balls, offers a comprehensive range of products tailored to meet the demanding requirements of the copper mining industry.
Advantages and Features
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Superior Wear Resistance: Our grinding balls for copper mining are forged from high-quality materials, ensuring exceptional wear resistance even under the most abrasive conditions. This prolongs the lifespan of the grinding media, reducing the frequency of replacements and associated downtime.
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High Impact Toughness: Designed to withstand the rigorous impact forces within grinding mills, our grinding balls exhibit remarkable toughness, preventing breakage and ensuring consistent performance over extended periods.
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Optimized Hardness: Through precise heat treatment processes, our grinding balls achieve optimal hardness levels, striking the perfect balance between hardness and toughness to deliver unparalleled grinding efficiency and wear performance.
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Uniform Size and Shape: Each grinding ball is meticulously manufactured to adhere to strict size and shape tolerances, guaranteeing uniformity in grinding media distribution within the mill, resulting in more efficient ore breakage and particle size reduction.
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Chemical Stability: Our grinding balls are engineered to maintain chemical stability throughout the grinding process, preventing contamination of the ore and ensuring the purity of the final concentrate.
Technical Parameters
| Mechanical Properties and Microstruture | |||||
| Name | Designation | HRC | Impact Value (J/cm²） |
Microstruture | Falling Times |
| Special High Chromium Alloy Casting Grinding Balls | ZQCr26 | ≥60 | ≥4.0 | M+C | ≥20000 |
| ZQCr20 | ≥60 | ≥4.0 | M+C | ≥20000 | |
| Ultra-high Chromium Alloy Casting Grinding Balls | ZQCr15 | ≥60 | ≥4.0 | M+C | ≥20000 |
| Ordinary High Chromium Alloy Casting Grinding Balls | ZQCr12 | ≥58 | ≥3.5 | M+C | ≥18000 |
| Medium Chromium Alloy Casting Grinding Balls | ZQCr8 | ≥48 | ≥2.5 | P+C | ≥12000 |
| ZQCr5 | ≥47 | ≥2.0 | P+C | ≥12000 | |
| Low Chromium Alloy Casting Grinding Balls | ZQCr2 | ≥45 | ≥2.0 | P+C | ≥10000 |
| Carbide Ductile Iron Grinding Balls | ZQCADI | ≥50 | ≥2.0 | P+C | |
| M-Martensite P-Pearlite A-Austenite C-Carbide | |||||
Process Flow
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Raw Material Selection: Carefully chosen high-quality steel alloys are sourced to ensure optimal grinding ball performance.
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Heating and Forging: The raw materials undergo precise heating and forging processes to shape them into durable and uniform grinding balls.
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Heat Treatment: Grinding balls are subjected to controlled heat treatment processes to achieve the desired hardness and toughness properties.
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Quality Inspection: Each grinding ball undergoes rigorous quality inspection to ensure compliance with stringent quality standards.
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Packaging and Shipping: After passing quality control measures, the grinding balls are meticulously packaged and dispatched to customers, ensuring safe and timely delivery.
Application Fields
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SAG Mills: Grinding balls are widely used in SAG mills for primary grinding of copper ore, facilitating efficient ore breakage and liberation.
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Ball Mills: In secondary and tertiary grinding stages, ball mills utilize grinding balls to further reduce the particle size of the ore, facilitating enhanced metal recovery.
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Rod Mills: Grinding balls are also employed in rod mills for coarse grinding, contributing to the production of finely ground copper concentrates.
Self-developed Factory
NINGHU takes pride in its state-of-the-art manufacturing facility, boasting a history of over 30 years in the production of wear-resistant materials. As a high-tech enterprise and a governing unit of the China Foundry Association, we have achieved ISO9001 quality system certification, ensuring the highest standards of product quality and consistency. Our fully automated production line, equipped with advanced technology, enables us to maintain an annual production capacity of 50,000 tons, meeting the diverse needs of our global clientele.
After-sales Service
At NINGHU, customer satisfaction is our top priority. Our dedicated after-sales team is committed to providing prompt and efficient support to address any inquiries or issues that may arise. With our extensive experience and expertise in the field of grinding balls for copper mining, we offer comprehensive technical guidance and assistance to optimize grinding processes and maximize operational efficiency. Additionally, our responsive logistics network ensures timely delivery of replacement grinding balls, minimizing downtime and enhancing productivity for our customers.
Contact Us
NINGHU stands as a trusted partner for high-quality wear-resistant solutions in the copper mining industry. With our self-developed factory, cutting-edge production technologies, and unwavering commitment to customer satisfaction, we deliver excellence and innovation to our valued customers worldwide. For customized solutions, ample inventory, and swift delivery, contact us at sunnyqin@nhgrindingmedia.com and experience the difference with NINGHU.
With NINGHU, you're investing in reliability, efficiency, and performance for your copper mining operations.
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