Why Choose a PSA N2 Generator for Laser Cutting?

6 min read
PSA N2 Generator for Laser Cutting

Laser cutting is a high-precision process used in various industries, from automotive to electronics. One crucial element that can significantly impact the efficiency and quality of laser cutting is the type of gas used. Nitrogen, in particular, is essential for achieving clean cuts, preventing oxidation, and improving overall results. This brings us to the PSA Nitrogen Generator, a game-changer for businesses looking to enhance their laser-cutting operations.

PSA N2 Generator

The Role of Assist Gases in Laser Cutting

Assist gases are used to help in laser cutting by acting as heat sinks to absorb heat and also in the removal of small metallic particles that are generated during the cutting process. Among these gases, nitrogen (N2) is particularly favoured due to its inert nature. Nitrogen helps to minimize the issue of oxidation which if occurs would lead to wrong cutting and surface finish. Nitrogen is used to pass through the laser tubes so that a consistent laser beam is provided which in turn gives the best cutting result.

Gases in Laser Cutting

The quality of nitrogen in laser cutting differs in the kind of metal and the finish required on the surface of the material. High-purity nitrogen is very important when working with delicate or precise items due to the impact that the gas might have on the outcome of the work.

Traditional Nitrogen Supply Methods

In the past, LASER nitriding used liquid nitrogen and high-pressure rental cylinders that were already pre-filled. While effective, these methods come with their own set of challenges, including logistical hassles, recurring costs, and dependency on external suppliers. The need for a more efficient, cost-effective, and reliable solution has driven the adoption of on-site nitrogen generation through Pressure Swing Adsorption (PSA) technology.

Benefits of PSA N2 Generators

PSA nitrogen generators have emerged as a game-changer for industries utilizing laser cutting. Here’s why:

Consistent Purity Levels                        

Using a PSA N2 generator, the nitrogen produced is of a consistent quality and purity which is ideal for your laser cutting operations. This makes it easier to achieve quality finish on your products without having to worry about the products being contaminated.


Purchasing a PSA nitrogen generator will be very beneficial in terms of return on investment. The money that is saved on not having to buy liquid nitrogen or rent cylinders adds up in the long run making the initial outlay cost worthwhile.

Continuous Supply

In a PSA generator, you will always have a constant and dependable nitrogen supply, and you will not be faced with situations where you have to stop working due to a lack of gas or waiting for a delivery. This increases efficiency and effectiveness in your operations hence increasing the amount of work you can do in a given time.

Controlled Flow and Pressure

PSA generators enable the supply of nitrogen at the correct flow rate and pressure which is useful in the laser cutting process. This makes the assist gas enhance the cutting process by providing the required support, hence better cuts and less strain on the equipment.

Enhanced Safety

On-site nitrogen generation eliminates the hazards encountered in the handling of high-pressure gas cylinders. The above-mentioned PSA systems are developed with safety as their primary aim to create a safer working environment.

Superior Purity: Achieving 99.999% Nitrogen

There are several advantages to using a PSA Nitrogen Generator and one of them includes high purity that it offers. High purity nitrogen ideally up to 99. 999% is vital in laser cutting as it avoids contribution to oxidation and enhances clean cuts. Prototypical resources used to store liquid nitrogen include gas cylinders, which are not very effective in terms of maintaining consistent purity quality when implemented in cutting operations. The PSA Nitrogen Generator, in particular, allows you to produce and sustain a nitrogen supply of the latter purity.

Impressive ROI: Cost-Efficiency at Its Best

Investing in a PSA Nitrogen Generator can lead to significant cost savings in the long run. Here’s how:

Reduced Gas Costs: This way, instead of buying and transporting gas cylinders of liquid nitrogen or nitrogen gas, one gets the desired nitrogen within the production or working area. This can lead to a high amount of savings, particularly for organizations that frequently run their CVTs.

Lower Maintenance Costs: The main key attributes of PSA nitrogen generators are that they have proven reliability and require little or no maintenance. This makes it possible to cut down on times when a plant cannot operate or requires major repairs and hence bring down the costs of maintenance as compared to the conventional means of gas supply.

Energy Efficiency: The advanced generation of PSA systems is power-friendly, adding to the slashes in costs of operation.

To say the least, a PSA Nitrogen Generator would have a shorter payback period taking into account the money that can be saved on the procurement of gas, transportation of the same and the resultant maintenance expenses.

How PSA Technology Works

PSA technology employs two vessels with carbon molecular sieve an intermediary that selectively adsorbs oxygen from Air. When compressed air is in the first vessel, the CMS selects and retains oxygen and other unwanted gases while letting only the nitrogen gas pass. However, When the first vessel becomes saturated, the process switches to the second vessel, while the first undergoes regeneration. This continuous cycle ensures a steady supply of high-purity nitrogen.


The use of PSA N2 generators in laser cutting opportunities has numerous benefits to justify its use. It offers a very reliable solution also economically feasible and safer route for sharp laser cutting needs. Through nitrogen generation on the spot, industries would make improvements in procurement efficiency and boost production proficiency, resulting in improved production of superior products. PSA technology is a sound investment that should be embraced by any firm that wants to overcome the odds that characterize manufacturing today.

Purchasing a PSA N2 generator involves looking at ways to improve the current and future status of the company by harnessing its capabilities in a sound strategy that utilizes the best technology in the market. If you’re trimming delicate polymer films or thicker gauges of metal and want to guarantee the finest cuts, a PSA nitrogen generator offers a definitive advantage.

To find out more about ours Nitrogen Gas System Contact Us.

Read More: Nitrogen Generators for Semiconductor Manufacturing

References links:

The Effect of Cutting Speed of Nitrogen Laser Cutting

Waste Products Generated during Laser Cutting in Nitrogen Atmosphere

High Quality Nitrogen for Laser Applications

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