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Custom Wear-Resistant Ball Mill Liner & Girth Gear Mill Parts
Mill parts are key components of ball mills in mining, cement, metallurgy, and other industries, mainly including liners, girth gears, and spherical bearings. Taking impact-resistant wear liners as an example, the process includes: raw material proportioning and melting → pre-casting → multi-stage heat treatment → surface coating. Precise control of alloy elements including carbon (2.8%-3.4%), chromium (1.5%-2.8%), hafnium (1.8%-2.6%), and nickel (0.83%-1.22%) is achieved, followed by multi-stage heat treatment (gradient heating from 470℃ to 1050℃, staged quenching and tempering) for grain refinement and uniform carbide distribution. A 30-40nm composite film is then deposited via ion-beam-assisted magnetron sputtering to enhance impact toughness. Girth gears are cast from ZG310-570 steel, normalized and tempered, passing Level 3 flaw detection, with hardness around 175HBW, machined to GB10095-88 standards. Promotion should highlight material science capabilities, heat treatment processes, and wear life data, offering tailored solutions for different mill models while emphasizing reduced downtime and maintenance costs.
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