Vertical mill gearbox
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  • Vertical mill gearbox

The vertical mill gearbox is the core transmission component of the vertical grinding mill (vertical mill), mainly used to efficiently transmit the rotational motion of the motor to the grinding table, driving the grinding rollers to achieve material compression and grinding. Its structure includes a high-speed planetary transmission stage, a low-speed arc-tooth bevel gear transmission stage, and a lubrication and cooling system (such as the oil pipes and cooling devices shown in the picture). It features high load capacity, large speed ratio, and low noise. As the "power heart" of the vertical mill, it directly affects the operational efficiency and stability of the entire machine and is widely used in ultra-fine grinding processes in industries such as cement, metallurgy, power, and chemical engineering.

Product Applications

1. Cement Industry: Main transmission systems for raw material vertical mills, coal powder vertical mills, and slag vertical mills.

2. Mining and Metallurgy: Dry grinding of metal ores (copper ore, iron ore) and non-metallic minerals (quartz, limestone).

3. Power Industry: Transmission for vertical coal mills in coal powder preparation systems of thermal power plants.

4. Building Materials Field: Industrial grinding transmission for concrete admixtures (fly ash, slag powder), ultra-fine calcium carbonate, and other materials.

Product Features

1. High Power Heavy-Duty Design: Load torque up to 1000 kN·m or more, compatible with vertical mill specifications Φ3.2m~Φ6.0m, meeting the high load demands of ultra-fine grinding.

2. Efficient Transmission System: Uses a two-stage transmission of planetary gears + arc-tooth bevel gears (as shown in the multi-shaft structure in the picture), transmission efficiency >97%, saving 15%~20% energy.

3. Stable and Reliable: The gearbox housing uses cast steel welded structure, bearings are imported self-aligning roller bearings, with continuous operation life exceeding 10,000 hours.

4. Intelligent Lubrication and Cooling: Integrated constant temperature oil station (yellow oil pipe in the picture), achieving automatic oil temperature control (≤50℃), suitable for heavy-duty conditions.

5. Low Noise and Environmentally Friendly: Gears undergo precision shaving treatment, noise is below 80dB, meeting industrial environmental protection standards.

Product Functions

1. Torque Amplification: Converts high-speed motor rotation into low-speed high-torque output, driving the grinding table to operate steadily at 10~50 r/min.

2. Overload Protection: Built-in safety coupling (coupling part shown in the picture), instantaneous overload protection torque reaches 2.5 times the rated value.

3. Intelligent Monitoring: Can integrate vibration monitoring and oil quality detection systems to achieve real-time diagnosis of operating status (combined with modern industrial IoT technology).

4. Maintenance-Free Design: Gears use special carburizing process, gear surface hardness reaches HRC60, extending maintenance cycle to 3 years.

5. Strong Adaptability: Supports horizontal/vertical installation, compatible with different brands of vertical mills (such as Pfeiffer, Loesche, Changcha, etc.).

Product Technical Parameters (Typical Configuration)

Parameter Name

Typical Range

Remarks

Rated Input Power

560kW~5000kW

Customized according to vertical mill model

Rated Output Torque

500kN·m~2500kN·m

Speed ratio selectable from 3.5~12

Output Speed

5 r/min~50 r/min

Matches grinding table diameter and capacity

Lubricating Oil Capacity

300L~2000L

Uses ISO VG 320 industrial gear oil

Weight

5t~50t

Including base and accessories

Dimensions

Starting from 2500mm×2000mm×1800mm

Length × Width × Height

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Vertical mill gearbox
+
  • Vertical mill gearbox

Vertical mill gearbox

The vertical mill gearbox is the core transmission component of the vertical grinding mill (vertical mill). It is mainly used to efficiently transmit the rotational motion of the motor to the grinding table, driving the grinding rollers to achieve material compression and grinding. As the "power heart" of the vertical mill, it directly affects the operational efficiency and stability of the entire machine, and is widely used in ultrafine grinding processes in industries such as cement, metallurgy, power, and chemical engineering.

Contact Information

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Email: sales@zszxjx.com

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