11.Automatic Grease Lubrication System: Equipment, Applications, and Solutions

Automatic Grease Lubrication System: Equipment, Applications, and Solutions

An Automatic Grease Lubrication System (AGLS) is a centralized lubrication solution designed to automatically deliver accurately measured amounts of grease to the required lubrication points of industrial and heavy-duty equipment. By replacing manual greasing, the system ensures stable lubrication, reduces wear, prevents contamination risks, and significantly improves equipment reliability and service life.

System Overview

By using pump pressure, grease is evenly distributed to all lubrication points, enabling continuous and stable lubrication—even while equipment remains in operation. 

An AGLS supplies grease according to preset intervals and volumes while the machine remains in operation. A complete system typically includes:

• Grease Pump:
  Generates pressure to drive grease flow.
  
  
• Piping Network:
  Distributes grease to all lubrication points.
  
  
• Distributor/Metering Valves: 
  Regulate the grease volume for each point.
  
  
• Control Unit (e.g., PLC or timer): 
  Sets lubrication cycles and monitors proper system performance.

Comparison: Automatic vs. Manual Lubrication

System Types and Configurations

To accommodate different machine structures and lubrication requirements, AGLS can be configured in several forms:

• Single-Line/ Resistance Type：
  

A simple and economical system using resistance-type metering valves. Suitable for small to medium machines with moderate lubrication demands.

• Progressive Type：
  

Uses progressive dividers to sequentially deliver grease. Ideal for equipment with many lubrication points and offers clog-detection capability.

• Back-Pressure / Pressurized Type：

Uses pressure-controlled metering devices to ensure stable output even under long piping distances or high back-pressure conditions.

• Dual-Line Type：

Designed for large-scale equipment with long lubrication distances. Alternates between two main lines for reliable grease delivery in harsh environments.

• Micro Grease Lubrication System：

Provides ultra-small, precisely metered grease quantities for high-speed or high-precision mechanisms requiring minimal residual grease.

Applications

Heavy machinery and construction equipment

CNC and industrial automation machinery

Mining and material processing

Steel, metalworking, and foundry applications

Transportation fleets and commercial vehicles

Advantages

Accurate and consistent grease dosing

Reduced maintenance labor and downtime

Extended bearing and component life

Enhanced equipment reliability and safety

Lower overall operating cost

Conclusion