Oxy-Fuel Cutting Service
Oxy-fuel cutting, or oxy cutting for short, is one of the methods to cut very thick materials. It is ideal for cutting metal that is too thick for plasma cutting. It is important to note that flame cutting is not suitable for cutting any material, as it has its limitations.
When looking to cut other thick materials that fall out of its scope, you can consider turning to waterjet cutting.
Fractory’s manufacturing partners use state-of-the-art oxy cutting machines. This means CNC capabilities for accurate results and automation for quicker turnaround times. The maximum metal thickness is 6 inches. Our oxy cutting service is in accordance with quality classification EN ISO 9013.
Although plasma cutting has its advantages over flame cutting in terms of precision, the thickness limitations for flame cutting are higher. Plasma cutting’s maximum advisable thickness is around 2 inches.
An important side note here is that the oxy cutting process involves oxidation of the material. Therefore, it is only possible to cut ferrous metals.
How to Order?
While we have automated the quoting process of many other fabrication methods, like laser cutting and metal bending, flame cutting still needs a manual quote from our sales engineers. So please send your enquiry to them to get a manufacturing quotation.
We deliver your parts right to your selected address all over the United States. We take care of organizing transportation, so you can focus on engineering.
What is Oxy Acetylene Cutting?
As you have already probably noticed, we are using many names interchangeably for this cutting process. Oxy cutting, oxy-fuel cutting, flame cutting and gas cutting all allude to the same fabrication method. It is a process where different fuel gases (most commonly acetylene) and pure oxygen are used for cutting.
Oxy cutting uses preheating the metal. So the first step is heating up a spot on the metal. Next, a high-pressure stream of pure oxygen hits this spot. This results in the ignition of oxygen and the cutting can start. The cutting flame temperatures reach upwards of 6000° Fahrenheit.
The cutting torch has a central hole with more holes surrounding it. The latter holes are for guiding oxygen and fuel gas onto the workpiece during the preheating phase. The central hole is for producing an oxygen jet that cuts the metal.
Flame cutting is suitable for steel cutting. Other metals are not available for this manufacturing method. The reason lies with the process itself. During cutting, the metal melts and forms iron oxide when reacting with oxygen.
The high-pressure jet blows the oxide away, forming a cut. So oxy-fuel cutting is not available for metals that do not react this way. This means that stainless steel, for example, is not suitable for this method.
The preheating phase brings about another limitation. The temperature requirements are pretty high to ignite the oxygen flame. If the metal’s melting temperature is lower than the necessary preheating one, problems may arise. Therefore, aluminum is another metal not suitable for flame cutting.
For these reasons, it is necessary to find an alternative when thick plates from materials other than carbon steel need cutting. One possibility is waterjet cutting.
Advantages of Flame Cutting
Material thickness – The biggest advantage of using an oxy cutting service. Enabling cutting thickness up to 6 inches comes really handy to complete your engineering project according to the needs.
Portability – Besides contemporary CNC machinery, flame-cutting offers other options as well. As the requirements are pretty low, compact cutting stations can weigh as little as 30 pounds. This makes flame cutting a viable option for on-site cutting and welding.
Cutting speed – The speed of oxy-acetylene cutting is especially evident with really thick materials. For thicknesses over 2 inches, it comfortably beats the other thermal cutting methods.
Flexibility – Oxy-fuel torches have more applications besides cutting. These include welding of ferrous metals, heat treating, riser cutting and brazing.