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Unlocking the Power: Understanding Waterjet Pressure and Its Strength

In the realm of cutting-edge technology, waterjet cutting has emerged as a versatile and powerful method for precision cutting across various materials. At the heart of this technology lies waterjet pressure, a force that propels a stream of water at high velocities to cut through materials with exceptional accuracy. We’ll delve into the strength of waterjet pressure and how it has become a game-changer in the world of manufacturing and fabrication.


The Basics of Waterjet Cutting

Waterjet cutting employs a high-pressure stream of water, often mixed with abrasive particles, to erode and cut through materials. The pressurized water is ejected through a small nozzle at speeds that can exceed Mach 3, providing a force that effectively slices through materials, from soft substances like foam to hard metals such as steel.


Understanding Waterjet Pressure Strength

Pure Waterjet Cutting:

Waterjet cutting can be classified into two main types: pure waterjet cutting and abrasive waterjet cutting. In pure waterjet cutting, the force is generated solely by pressurized water. While this method is highly effective for cutting soft materials like rubber, foam, and certain plastics, its pressure levels are generally lower compared to abrasive waterjet cutting.


Abrasive Waterjet Cutting:

The introduction of abrasive particles, typically garnet, into the waterjet stream elevates the cutting capabilities significantly. The abrasive particles enhance the cutting power, allowing waterjet cutting machines to tackle harder materials such as metals, ceramics, and composites. The strength of waterjet pressure in abrasive cutting can reach up to 90,000 PSI (pounds per square inch) or more, depending on the specific system.


Benefits of Waterjet Cutting Strength:

Precision and Accuracy:

Waterjet cutting’s strength lies in its precision. The high-pressure water stream can create intricate cuts with minimal material wastage. This accuracy is particularly valuable in industries where precise cuts are essential, such as aerospace, automotive, and medical device manufacturing.



Waterjet cutting’s strength extends to its versatility. The technology can effectively cut through a broad spectrum of materials, from soft rubber to robust metals, eliminating the need for multiple cutting tools. This versatility makes waterjet cutting a cost-effective solution for businesses with diverse material cutting requirements.


Minimal Heat-Affected Zone:

Traditional cutting methods, such as laser or plasma cutting, generate heat during the process, leading to a heat-affected zone (HAZ) that can alter material properties. Waterjet cutting’s strength lies in its ability to produce minimal heat, preserving the integrity of the material being cut. This is particularly advantageous for materials sensitive to heat, like certain alloys or heat-treated metals.



The strength of waterjet pressure has revolutionized the landscape of material cutting. From its origins as a tool for soft materials to its current capabilities in abrasive cutting of hard metals, waterjet technology continues to evolve. As industries demand greater precision, efficiency, and versatility in their manufacturing processes, the strength of waterjet pressure positions it as a formidable force, reshaping the way materials are cut and crafted across various sectors.

Revelation Machinery offers regularly updated inventory of used waterjets for sale from top brands like Flow Mach, Omax, Techni, Mitsubishi, and more. If you have any questions or are looking for a specific type of used waterjet, please feel free to reach out to our equipment experts! Interested in selling your equipment? Learn how to sell used waterjet cutting machines for cash to Revelation Machinery today!