About the Ball/Rod Mill
Ball mills and rod mills are essential mining equipment for further size reduction of ore after the crushing stage. They are applicable to the comminution of dry or wet ores and other grindable materials in ferrous and non-ferrous metal processing plants, cement plants, refractory plants, fertilizer plants, and smelters.
Kunming Ciba Mining Machinery Co., Ltd. is involved in designing and manufacturing wet-grinding grate-discharge and overflow-discharge ball mills, and wet-grinding overflow-discharge rod mill which own multiple patents. The advantages of such equipment includes properly designed feed opening, cylindrical section made of high-strength steel plates, feed or discharge caps made of materials with high toughness, high-quality liners, and efficient grinding.
The ball mill and rod mill designed and manufactured by Kunming Ciba Mining Machinery Co., Ltd. owns multiple patents. They are optimized in designing the feeding inlet, which allows larger feeding volume. The cylindrical section of the ball mill is made of rolled high-strength steel plates, which are welded seamlessly and have passed a nondestructive examination. Caps of both the inlet and outlet are made of high-toughness, high-strength and high-stiffness materials, which are precisely assembled with a high-precision lathe. Linings are made of high-manganese steel plates. They have excellent quality and efficient grinding rate. They have sufficient shock resistance and will cold harden while facing impact.
About the parts
- Linings are available in rubber or magnetic materials based on customers’ requirements.
- The drive bearing is made of double-row spherical roller bearing and equipped with a temperature sensor.
- Wheel gears are made of large modulus cast alloys to ensure stable transmission, low noise, and long service life.
- Oil atomizer is used to spray lubricants onto the surface of wheel gears regularly to ensure lubrication.
Transmission Device
Medium- or large-size mills are equipped with a low-speed transmission device to supply cylindrical rotational speed of 0.1 r/min for barring, maintenance and charge loosening.
A large-size mill is equipped with a hydraulic lifting jack that jacks the rotary part for maintenance without spending on a bridge crane.
Safety shields are designed for all rotary parts, small and large wheel gears, couplings between motor and reducer, and couplings between gear shaft and reducer to avoid contact between workers and the running machine. A safety shield for a large wheel gear includes multiple parts where they are made of welded steel plates and jointed flange, and with a sealed felt ring to ensure easy assembly and disassembly processes.
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