Maintenance Recommendations
Regular inspection of tooth pick wear pattern recommended every 2000 operating hours. Replace when tooth profile is reduced by 30% of original height.






| Models | Wear Parts |
|---|---|
| Crushing Principle | Low-speed dual-roll sizing |
| Feed Size | Up to 1500mm |
| Product Size | 25-250mm adjustable |
| Capacity | Up to 14,000 TPH |
ZG30CrMnMo alloy cast steel (HRC 45-55, AKV 10-15J), optional ASTM A128 Grade B-2 high manganese steel (HB 185-210)
DRS 660 S, DRS 1000 x 3000 C(B), DRS 500 x 1000 C(B)
Tooth Picks, Crushing Segments, Roll Shells
Replaceable tooth segments for ThyssenKrupp CenterSizer and RollSizer DRS series; low-speed dual-roll crushing for coal, salt and minerals
| Grade | C | Si | Mn | Cr | Mo |
|---|---|---|---|---|---|
| ZG30CrMnMo | 0.26-0.34 | 0.40-0.80 | 0.90-1.30 | 0.90-1.30 | 0.15-0.25 |
Optimized tooth tip shape design for efficient material sizing; proven long service life in coal and mineral applications
RollSizer crushing segments and roll shells; bolt-on design for quick changeover
| Grade | C | Si | Mn | Cr | Mo |
|---|---|---|---|---|---|
| ZG30CrMnMo | 0.25-0.35 | 0.3-0.6 | 0.8-1.2 | 0.8-1.2 | 0.15-0.30 |
High strength and wear resistance for sizer tooth applications; verified composition with full QC documentation
| Grade | C | Si | Mn | Cr | Ni | Mo |
|---|---|---|---|---|---|---|
| ZG30CrNiMo | 0.25-0.35 | 0.3-0.6 | 0.7-1.1 | 0.8-1.2 | 1.0-1.5 | 0.15-0.30 |
Superior toughness with Ni addition; ideal for heavy-duty sizer teeth requiring both wear resistance and impact strength
Regular inspection of tooth pick wear pattern recommended every 2000 operating hours. Replace when tooth profile is reduced by 30% of original height.





