Ball Mill Composite liners are a new type of liners, particularly engineered by TOMINE to address SAG mill leakage due to discontinuous cracks in large alloy liners or loose liner bolts with insufficient pre-tightening force, and over-grinding of material. This type of liners extends the service life of liners and improves the mill grinding efficiency, winning clients’ positive comments.
Rubber steel alloy composite mill liners can protect the metal or other parts inside the mill from erosion. Mill liners in various specifications can be designed according to different application . The formula is reasonable and extremely wear-resistant, and the skeleton material of the mill lining is made of high-quality aluminum alloy profiles. Compared with metal liners, it has the advantages of impact resistance, corrosion resistance, wear resistance, light weight, long service life, convenient installation and replacement, power saving and noise reduction;
Performance Features
Composite liners are a new type of liners, particularly engineered by TOMINE to address SAG mill leakage due to discontinuous cracks in large alloy liners or loose liner bolts with insufficient pre-tightening force, and over-grinding of material. This type of liners extends the service life of liners and improves the mill grinding efficiency, winning clients’ positive comments.
Structural Modes:
Metal lifter + rubber liner
Metal lifer + rubber composite liner
Composite lifter + rubber composite liner
Combined designs available depending on different working conditions
Ore hardness: the relationship between the wear speed of the rubber lining and metal lining of the mill and the hardness of the ore. Compared with the metal lining of the mill, the harder the ore is, the more wear-resistant the rubber lining of the mill is than the metal lining, so the rubber lining is more suitable for the environment where the ore hardness is higher in the mill.
Description | Index | ||
A | B | C | |
Hardness (Shore A), degree | 65 ± 5 | 65 ± 5 | 65 ± 5 |
Tensile strength, MPa >= | 16 | 18 | 14 |
Elongation at break, % >= | 400 | 500 | 350 |
Permanent deformation at break, % >= | 15 | 15 | 15 |
Relative volume wear, mm3 <= | 60 | 80 | 40 |
Resilience, %>= | 36 | 33 | 39 |
Hot air aging (70°Cx72h), reduction rate of tensile strength, %<= | 10 | 10 | 10 |
Note: During the production process, Akron abrasion (cm3/1.61km ) can also be used to measure the wear of the lining. Index: Class A wO.18, Class B wO.20, Class C 0.18 |
Quartz sand purification is removal of a small amount of impurities and the high difficulty separation