AG Mill (Autogenous Mill) and SAG Mill (Semi-Autogenous Mill) are widely used grinding equipment in large-scale mineral processing plants. These mills utilize the ore itself (AG Mill) or a combination of ore and a small amount of steel balls (SAG Mill) as grinding media, achieving both crushing and grinding in a single unit.
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ec@shyychina.comThe wet autogenous grinding system consists of a wet autogenous mill, a particle size control system, secondary grinding equipment, and dedicated facilities for processing difficult-to-grind materials. In a typical operation, minerals are fed into the mill in a specific size distribution. Under this configuration, the autogenous mill can grind the material directly to 0.074 mm, with fine particles accounting for approximately 20%–50% of the total product. As a result, the crushing ratio can reach 4000–5000, which is more than ten times higher than that of conventional ball and rod mills.
The AG Mill uses the ore itself as the grinding medium. Materials are crushed and ground through mutual impact, abrasion, and friction during rotation.
The SAG Mill operates on the same principle, with the addition of a small proportion of steel balls to enhance grinding efficiency for harder ores.
AG / SAG mills are available with fixed-speed or variable-speed drives and multiple power configurations. Large-scale mills integrate advanced technologies such as:
These designs ensure safe startup, stable operation, and convenient maintenance.
| model ( Length can be customized) | （mm） cylinder diameter | (mm) cylinder length | (m³) practical volume | (t) loading capacity | (r/min) rotating speed | (kw) power |
| MA-40（AG-40） | 4000 | 1400~3600 | 17~42 | 2~6 | 16.2 | 220~540 |
| MA-45（AG-45） | 4500 | 1600~4100 | 24~61 | 3~9 | 15.3 | 320~830 |
| MA-50（AG-50） | 5000 | 1800~4500 | 34~83 | 5~12 | 14.5 | 500~1200 |
| MA-55（AG-55） | 5500 | 1800~5000 | 42~112 | 6~16 | 13.8 | 630~1700 |
| MA-61（AG-61） | 6100 | 2400~5500 | 69~152 | 10~21 | 13.1 | 1050~2400 |
| MA-67（AG-67） | 6700 | 2600~6000 | 93~201 | 13~28 | 12.5 | 1500~3300 |
| MA-73（AG-73） | 7300 | 2800~6600 | 120~264 | 17~37 | 12.0 | 2000~4500 |
| MA-80（AG-80） | 8000 | 3200~7200 | 160~347 | 22~48 | 11.4 | 2800~6200 |
| MA-86（AG-86） | 8600 | 3400~7700 | 197~429 | 27~60 | 11.0 | 3500~7900 |
| MA-92（AG-92） | 9200 | 3700~8300 | 246~530 | 34~74 | 10.7 | 4500~10000 |
| MA-98（AG-98） | 9800 | 3900~8800 | 296~640 | 41~89 | 10.3 | 5600~12500 |
| MA-104（AG-104） | 10400 | 4200~9400 | 359~770 | 50~107 | 10.0 | 7000~15400 |
| MA-110（AG-110） | 11000 | 4400~9900 | 422~909 | 59~127 | 9.8 | 8400~19000 |
| MA-116（AG-116） | 11600 | 4600~10400 | 492~1064 | 69~148 | 9.5 | 10000~22000 |
| MA-122（AG-122） | 12200 | 4900~11000 | 580~1246 | 81~174 | 9.2 | 12000~27000 |
Why Choose Our AG Mill & SAG Mill?
AG Mill uses only ore as grinding media, while SAG Mill uses ore plus a small amount of steel balls to improve grinding efficiency.
Yes. In many applications, they significantly reduce or eliminate secondary and tertiary crushing stages.
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