Polysius Vertical Mills
Typical Applications
Production Gallery — Anranst Workshop
Polysius Vertical Mills — Models
| Models | Wear Parts |
|---|---|
| Models | RM 27/13 to 69/36 |
| Wear Parts | Roller sleeves, Grinding tables |
Wear Parts
Manufactured from premium wear-resistant alloys including high-manganese steel, Cr-Mo alloy steel, and high-chrome cast iron.
Polysius Vertical Mills Wear Parts
Models
RM 27/13 to 69/36
Wear Parts
Roller sleeves, Grinding tables
Roller Sleeve / Grinding Roller Tire
Grinding roller surface for Polysius QUADROPOL and RM series VRMs; applies grinding pressure to material bed on table
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| Cr26 | 2.0-3.3 | ≤1.0 | 0.5-1.5 | 23.0-30.0 | 1.0-3.0 | ≤1.5 |
Excellent abrasion resistance with M7C3 carbide network; 3-5x longer life than Mn steel in pure abrasive wear; ideal for vertical mill rollers and VSI rotors
| Grade | C | Cr | Nb | W | Fe |
|---|---|---|---|---|---|
| Hardfacing Overlay (Cr-C) | 3.0-5.5 | 20.0-35.0 | 4.0-8.0 | 0-10.0 | Balance |
Weld overlay on cast steel base; can be re-welded 3-5 times for extended service life; cost-effective for VRM rollers and HPGR cheek plates
Table Liner / Grinding Track
Rotating grinding surface; material is ground between roller tire and table liner under high pressure
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| Cr26 | 2.0-3.3 | ≤1.0 | 0.5-1.5 | 23.0-30.0 | 1.0-3.0 | ≤1.5 |
Excellent abrasion resistance with M7C3 carbide network; 3-5x longer life than Mn steel in pure abrasive wear; ideal for vertical mill rollers and VSI rotors
Classifier Vane
Polysius VRM rotating classifier vanes; control product fineness with adjustable vane angle
| Grade | C | Si | Mn | Cr | Mo |
|---|---|---|---|---|---|
| Cr20 | 2.0-3.3 | ≤1.2 | ≤1.5 | 18.0-23.0 | ≤3.0 |
High hardness with moderate toughness; excellent for impact-crusher blow bars and hammer tips
| Grade | C | Si | Mn | Cr | Mo |
|---|---|---|---|---|---|
| Cr26 | 2.0-3.3 | ≤1.2 | ≤1.5 | 23.0-30.0 | ≤2.0 |
Highest hardness for abrasive wear; best for fine crushing and grinding applications with low impact
Why Choose Anranst
- Cr26 roller sleeves with optimized carbide orientation for QUADROPOL QM23-QM45; 20-30% longer life than standard Cr20
- Hardfacing rebuild option for roller tires; 3-5 re-weld cycles extend total service life to 5+ years
- Full Polysius VRM coverage: QUADROPOL QM23-QM45, RM 27/13-RM 69/29