Product Details

Industrial Applications of Air Knives: From Parts Drying to Food Processing

Air knives are widely used in production lines where water, moisture, droplets, or surface liquid need to be removed quickly and consistently. By creating a continuous sheet of high-speed air across the product surface, an air knife can be integrated directly into conveyors and automated production equipment.

Different industries use air knives in different stages of their production processes. Below are several typical applications and how the drying process works.

1. Metal Parts Drying After Washing

Metal components are often washed or cleaned before assembly, coating, inspection, or packaging.

After washing, parts may carry water on their surfaces, around edges, or inside shallow grooves. An air knife can be installed above or beside the conveyor immediately after the washing stage.

As the parts move through the drying section, the continuous air sheet blows across the surface and pushes water away. For components with different shapes, multiple air knives can be positioned from different directions to improve coverage.

Typical process:

Washing → Rinsing → Air Knife Drying → Inspection → Assembly / Packaging

This application is commonly suitable for:

• Automotive components
• CNC-machined parts
• Bearings
• Metal housings
• Stamped parts
• Small mechanical components

The result is a cleaner and drier surface before the next production process.