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Latest & Popular Articles

See the latest and most popular articles on oil analysis that have been posted to find out more about how oil analysis works and the benefits it could be doing for you.

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All machines wear, that's a fact. It doesn't matter how great your lubricant is, nothing can stop wear taking place entirely when there are moving parts.
So why does wear happen in the first place?Wear is a normal part of your machinery health. No surface is perfectly smooth and even when you look at metal surfaces with a mirror smooth finish, at the microscopic scale the surface looks like a mountain range. These microscopic surface imperfections are called asperities. When a new machine starts...
What's the difference between normal and abnormal wear?
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Varnish has become a popular term in the industry in recent years although it has been around since the first usage of lubricants.
Part of its popularity in recent times is aftermarket additive and filter manufacturers have realised they can remove the material, so it’s measurement has become highly promoted. Additionally the classical ultracentrifuge methods of measuring varnish have now been overtaken by Membrane Patch Colourimetry (MPC). The manufacture of the MPC devices has also been active...
Varnish is like cholesterol in your machinery
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A customer recently sent in an a gear SAE 50 lube oil sample from a rigid dump truck working on a UK quarry. The machine had previously had no issues and had a very thorough and complete service history with all the maintenance performed by the official OEM (Original Equipment Manufacturer) dealer. All the lubricants used were with a lube oil major supplier and had full approvals for the machine. The customer was also understood to use the official OEM telemetry systems to aid in early fault dia...
Should I worry if I see metal particles in my lube oil?
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This question will answer the following questions:


Are new oils acidic?


Why do new oils have an acid number (TAN)?


How can an oil be both acidic and alkali?


Why doesn't a TBN neutralise the Acid Number?


Should I test the acid number of EP gear oils?

I got an interesting question from another lab the other day posted into the blog. You may think this strange, but I get technical questions from labs all over the world fairly regularly on technical issues regarding fluid analys...
Are new lubricating oils acidic and is it possible for an oil to be both acidic and alkali when it has a TAN and TBN?
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The wear process of abrasive materials in your oil is an important one to understand if you are to protect your components.







Another interesting case study today. This is one is from an injection moulding machine. Now for those who don’t know about this industry these are hydraulic systems in plastics manufacturing, and they have exceptionally strict cleanliness requirements. By strict I mean in some cases 8 times cleaner than is required for aircraft hydraulic systems for some manufactur...
Ouch! The problem with cutting wear...
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A customer recently sent in an a gear SAE 50 lube oil sample from a rigid dump truck working on a UK quarry. The machine had previously had no issues and had a very thorough and complete service history with all the maintenance performed by the official OEM (Original Equipment Manufacturer) dealer. All the lubricants used were with a lube oil major supplier and had full approvals for the machine. The customer was also understood to use the official OEM telemetry systems to aid in early fault dia...
Should I worry if I see metal particles in my lube oil?
Read More
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Foam in a lubricated system can be a real problem. That is because foam is a poor lubricant and can cause significant wear within a lubricated system if the lubricant film is replaced with foam. However, most foam people talk about in lubricated systems is cosmetic foam. This is foam that can spill over the side of machines during operation and although there is a slip hazard from the oil spilling over, most of this foam never reaches the parts of the system where it could cause da...
Detecting Lubricant Foaming. What it means and is there a better way to test?
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Why Oil Analysis Matters?

Oil Analysis is used by people just like you all over the world to reduce machinery downtime and improve equipment reliability. A small sample of oil from your machinery can provide as much information as a full machine strip down at a fraction of the cost and has been a proven technology for over 60 years to reduce forced shutdowns and failure repair costs. Want to understand how oil and grease analysis works and how it applies to you then watch this short video below.

How Much Can Oil Analysis Save Me?

Oil analysis is a brilliant tool that can save you money each time you sample. The returns on investment vary depending on your machinery type, so feel free to use our sister sites cost saving calculator at the bottom of their FAQ Page.

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Ask a question on oil analysis directly to the site author. This can also include requests on how and with whom to start fluid sampling. You can also contact the author on linkedin.

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See our Training Courses

Register for free and get access to some of our great short oil analysis training training courses. Content is updated regularly and includes explanation of tests, sources of wear, how to take a sample and the benefits of oil Sampling. You can also book a dedicated training day for you and your team too or enquire about our deluxe online training programmes.

Welcome to Learn Oil Analysis

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Get your oil tested

img 3041 Learn used oil analysis sample testing, lubrication reliability maintenance, predictive lab diagnostics to reduce costs & boost profits.If you have never had your oil tested before then what are you waiting for and get in contact with a lab today. There are many reputable labs all across the world that offer excellent oil analysis services you can use including our sister lab – Oil Analysis Laboratories, which is the only lab in the world to offer the LubeWear test. LubeWear identifies abnormal wear far earlier than traditional wear metal analysis techniques meaning you can catch faults earlier to keep your machine reliability at its highest. A brief video explanation of the rest can be viewed below.