Vertical Stirred Mill Liners
,Screw Flight Wear Liner
,Wear Resistant Mill Casting
Vertical Stirred Mill Liners End Liner Screw Flight Wear Resistant Casting Spare Parts
Product Summary
Vertical Mill (Tower Mill) is a high-efficiency and energy-saving ore regrinding equipment, widely used for ultra-fine regrinding of mineral concentrates in mines. Driven by the low-speed rotating stirring screw to move grinding media, it achieves fine crushing through extrusion and grinding between materials. With the internal classification function, it greatly reduces over-grinding. It can save more than 50% energy compared with traditional horizontal ball mills, and is ideal for large-scale continuous ultra-fine grinding production.
The spiral blade liners on the stirring screw are continuously subjected to repeated impact and scouring by ore and grinding media during operation. They are the core wear parts bearing the most severe load and suffering the heaviest wear of the whole machine.
SXYH adopts special alloy materials with high wear resistance and high toughness, equipped with complete casting and heat treatment processes, to manufacture a full set of wear-resistant liners and supporting spare parts for vertical mills.
High-quality liners can extend equipment service life, reduce downtime maintenance and spare part replacement frequency, help mining customers cut operation and maintenance costs, and ensure continuous and stable operation of production lines.

Product Features
- Material: High chromium alloy with martensitic matrix and hard chromium carbides, delivering outstanding resistance to abrasion and corrosion.
- Product Range: Flight liners and end liners. They protect the permanent screw substrate and improve grinding efficiency of Vertical Tower Mills (VTM).
- High chromium grinding media available, providing a complete wear-resistant solution.
Core Advantages
- Service Life: Extended wear life. The liners retain their original profile for longer, stabilizing mill power draw and sustaining high grinding efficiency.
- Cost & Efficiency Optimization: Reduce consumable cost per ton of ore, lower wear loss of grinding media and liners, cut specific grinding energy consumption (kWh/t) and boost production capacity.
- Reliable Operation: Improve equipment availability and reduce downtime for maintenance. Enable stable continuous operation even under harsh mining conditions, helping customers achieve sustainability targets.
- On-site Technical Support: Provide on-site services including testing, mill inspection and wear control.
Chemical Composition
| Materical | C | Mn | Si | Ni | Cr | Mo | Cu | P | S |
|---|---|---|---|---|---|---|---|---|---|
| Cr15 | 2.8–3.2 | ≤2.0 | ≤1.2 | — | 13–15 | — | — | ≤0.06 | ≤0.06 |
| Cr20 | 2.8–3.2 | ≤2.0 | ≤1.2 | — | 18–22 | — | — | ≤0.06 | ≤0.06 |
| Cr26 | 2.8–3.2 | ≤2.0 | ≤1.2 | ≤2.5 | 24–30 | ≤3.0 | ≤1.2 | ≤0.10 | ≤0.06 |
| 40CrMo | 0.35–0.45 | 0.40–0.70 | 0.15–0.40 | — | 1.00–1.50 | 0.15–0.25 | 1.00–1.50 | ≤0.035 | ≤0.035 |

Wear Resistance Ball Mill Shell Liners Mining Wear Parts Customized Size
Mining Hydraulic Bolt Punch Tool 1500J Impact For Ball Mill Liner Removal
Large Cast Steel Split Girth Gear Heavy Duty for Ball Mill Mining Equipment