AIRCOM > Hollow Cone Spraying

Hollow Cone Spraying

8 April 2025

Table of Contents

Introduction

Hollow cone spraying is an essential technology in many industrial processes, thanks to its ability to ensure uniform and efficient application of liquids such as paints, lubricants, and chemical agents. When used with automatic spray guns, this technique optimizes coverage, reducing waste and improving the quality of the finished product. In this article, we will analyze how it works, its main applications, and the solutions offered by AIRCOM for this technology.

What is Hollow Cone Spraying

Hollow cone spraying is an atomization process in which the fluid is nebulized to create a spray pattern in the shape of a hollow cone. This means that the liquid is mainly distributed along the circumference of the application area, leaving the center relatively free. This effect is achieved through the specific configuration of the nozzles, which regulate the air flow and pressure to obtain the desired fluid fragmentation.

This technology is particularly useful when excessive liquid concentration in the center of the application area needs to be avoided, ensuring uniform and controlled deposition.

Applications of Hollow Cone Spraying

Hollow cone spraying is widely used in various industrial applications, including:

  • Protective coatings: Used to apply thin and homogeneous coatings on metal or plastic surfaces.
  • Water spraying: Employed for humidification in the food industry.
  • Controlled lubrication: Applied in the mechanical and manufacturing sectors to reduce friction without excessive dispersion.
  • Spraying of adhesives and paints: Ensures optimal application without unwanted accumulation at the center of the jet.

Industries of Use

Thanks to its versatility, hollow cone spraying is used in many industries, including:

  • Food industry: For humidification of baked goods and other products.
  • Chemical industry: For precise dosing of chemical solutions and solvents.
  • Pharmaceutical industry: For the nebulization of liquid drugs and coatings on tablets.
  • Automotive: For the application of lubricants, sealants, and protective treatments.
  • Electronic components industry: For the application of protective coatings and adhesives.

AIRCOM Spray Guns

AIRCOM offers a range of spray guns designed to ensure efficient and precise application with hollow cone technology. Among the most suitable models is the AIRCOM FF Series, which includes a series of HVLP spray guns made of stainless steel, ideal for the controlled application of adhesives, paints, and other industrial and/or food-grade fluids.

These devices offer high adjustability thanks to interchangeable nozzles and advanced control systems, allowing optimization of the spraying process based on the specific needs of each industry.

AIRCOM has recently tested the FF series for spraying low-density fluids (e.g., water) with excellent results: the company’s internal R&D department is further developing this technology to enable the spraying of many other fluids in the future.

Conclusion

The use of automatic spray guns for hollow cone spraying helps standardize processes and reduce human error. This leads to greater precision and repeatability, key factors in ensuring consistent product quality. Additionally, automation reduces processing times and optimizes production efficiency, increasing a company’s competitiveness.

Another fundamental advantage is the reduction of material consumption. Thanks to the uniform and targeted distribution of liquid, waste is minimized, lowering costs and environmental impact. This is an increasingly relevant aspect for companies aiming for sustainability and compliance with environmental regulations.

To maximize the benefits of hollow cone spraying, it is essential to choose the most suitable nozzles and automatic spray guns for specific production needs. Advanced technologies, such as self-cleaning or adjustable nozzles, allow greater process control and reduced maintenance.

Investing in high-quality hollow cone spraying solutions means improving efficiency, reducing operating costs, and ensuring excellent results. Relying on specialized partners is the key to getting the most out of this technology and staying competitive in the market.

 

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