Choosing the Right Cutting Oil
All-purpose cutting oil is commonly used for each machining that it can suitable for various metal materials. But is it enough? As we know, there are many sort of cutting fluids in the market. So how to choose the right cutting oil? At first, metal and machining operations which you need to gather some basic information relevant to the selection criteria.
During metal machining, the heat can damage both the cutting tool and the workpiece if the right kind of cooling doesn’t take place at the cutting edge. For purposes of simplicity, you need to know the metals in use, and consider the predominant machining operations at first. New machines, changing environmental concerns, machine types, tooling specifics all combine to limit the effectiveness or applicability of the cutting oil.
Why METAL is important before we chose cutting oils
Some lubricants are more compatible with certain materials than others. When deciding on a cutting oil, you should differentiate between hard, low-machinability materials, such as stainless steel, and softer, ductile materials, like aluminum.
In most cases, aluminum, brass and iron alloy which are common materials and easy to machine with general-purpose oils. But some of metals are more difficult to machine than others, e.g., stainless steel, tungsten steel, nickel alloy and very hard metals demand a very high level of performance from the cutting oil.
There are many kind of cutting oils but it may not suitable for each metal. For instance, cutting oils (containing active sulfur) should not be used for brass and aluminum, as they will stain or tarnish the finished parts, and general cutting oil will not recommend that be used for glass, as they will scratch and damage glass surface, and tougher metals require tougher cutting oils with greater lubrication and anti-weld capabilities to prevent build up on the tool. Therefore, specific cutting oils will be a best choice when you have adopt.
Why should you concerned the Machining Operations
Cutting oils serve specific functions based on the difficulty and speed of the machining. The cutting oil’s main function will be cooling, especially with a synthetic cutting fluid, since the thinner, diluted fluid carries heat away more efficiently. Easy machining operations (turning, forming, drilling, milling, etc.) can be performed at higher speeds and require high levels of cooling. The milder operations can be performed with lower viscosity of cutting oil, and difficult machining operations must be run at lower speeds.
Therefore, grinding, drilling, and milling are often done at higher speeds with low-viscosity oils. Thread-cutting and broaching, however, require more work and slower operating speeds. A highly viscous oil is needed to reduce friction and lubricate the surface.
The cutting oil that you choose will consider the nature of the operation. You can choose your cutting oil by distinguishing between situations that emphasize a need for cooling and situations that emphasize a need for lubrication.
View our full list of specialty cutting oils here.
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