Maintenance: You should fill the lubricating oil at regular intervals and you may need to do periodic maintenance to ensure that the equipment is running smoothly. Size and Weight: The other issue is weight, oil lubed air compressors are definitely much heavier on average than their oil-less cousins.
Because oil lubrication is so effective at keeping air compressors running longer, it makes sense that they tend to cost more because you don’t have to replace them as often.
So, what are some of the more common issues that people complain about with regard to oil lubed models?Ĭost: The biggest issue is without a doubt their cost. They do have some flaws, otherwise, there would be no need for the oil-free models. Oil lubed machines aren’t perfect, of course. Not only is this a lot quieter, but it is also a lot better for the longevity of the parts. The oil layer helps to prevent the internal components of the air compressor from grinding needlessly against each other. Performance: The same logic applies to the overall durability of the air compressor as well. Low Noise: As you might have expected, the presence of a constant source of lubricating oil helps to keep the grinding to a minimum, which in turn helps to keep the noise levels down significantly. Advantages of Oil Lubricatedīy far the two biggest pros of oil-lubricated air compressors are noise and durability. Here are the major advantages and disadvantages of lubricated units. Suitable for cold climate and DIY, Handyman, contractor work. The use of lubricating oil can be messy and synthetic oils are not environment friendly.Ĭlean air and less pollution although noise is an issue on older models.īest suited for hot weather and heavy duty applications. Relatively smaller in size and more portable. Pre-lubricated coating (Teflon) on moving parts. Layer of lubricating oil between parts reduces friction. Where does each kind of compressor shine and where does each kind fall short? Let’s find out. Oil-Free CompressorĪlright, so now that we are all on the same page regarding what the two types of air compressors are, it is time to go about comparing the two. But with the advancement in technology, the modern oilless compressors can last up to 2000 hours or more.
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How long do oil free air compressors last?įor older models, the average equipment life used to be 200 to 400 hours. One of the most popular materials used for such coating is Teflon, which reduces the friction between moving parts without oil. Oil-free compressors use very special components that are coated with pre-lubricating material that keeps them from wearing out due to friction. If the compressor isn’t using oil, then how are the internal parts of an oil-free air compressor lubricated? The answer is quite simple. Oil-free Compressor: Campbell DC080500 – See Price However, what it doesn’t tell you is how they work. The name alone is more than enough to tell you what oil-free compressors are. The oil coats the moving parts and prevents friction damage.
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The most common kind of oil lubrication used in air compressors is what is called “splash lubrication.” Basically, how this works is a series of dippers inside the air compressor is constantly dipping into a reservoir of oil and splashing it upwards (hence the name). Quincy QT-7.5 (Splash Lubricated) – See Price These moving parts can obviously generate heat due to friction and get worn out. It may not look it from the outside, but there are a surprising number of moving parts (and quite delicate ones at that) inside an air compressor. Again, many of you probably already know this, but it doesn’t hurt to do a bit of review just to make sure everyone is crystal clear about how they work.Īs the name indicates, oil lubed compressors use a special oil to help keep internal friction to a minimum. The first thing that I want to go over is what oil-lubricated air compressors are.
I don’t expect that you will be buying different kinds of compressors for different situations, but it might be helpful for determining what tool you need for your current situation. I’m going to go through the benefits and drawbacks to each kind of air compressor, as well as going over what situations each kind of compressor is best for. This article, as you can probably guess just based on the name, is intended to explain the difference between the two and to help you pick the right one. While most everyone knows about these two main kinds of air compressors, what most don’t know about is what the pros and cons of each kind are. If you have a basic understanding of how air compressors work, then you no doubt know that there are two main kinds of air compressors oil lubricated and oil-free versions.
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