High-Pressure Grease: Key to Industrial Performance
High-Pressure Grease: Key to Industrial Performance
High Pressure Grease is a must-have lubricant in the heavy machinery industry to guarantee the proper and secure functioning of equipment. Grease forms a lubricant border between moving parts, which will significantly reduce friction, minimize wear, and enhance equipment life. In high-demand environments that are regularly subjected to extreme loads, pressures, and temperatures, regular lubricants tend to fail. This is where high-pressure grease proves its worth. It does not break down like normal grease.
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Therefore, these greases are vital for industries like construction, mining, and manufacturing. As machinery is becoming too advanced and downtime is too costly, using the proper grease is essential. This blog highlights what High-Pressure Grease is and why it is essential in the industry.
Table of Contents
An Overview of Industrial Greases?
Industrial greases provide technical lubrication and protect from friction and wear for mechanical components. Generally, industrial high pressure grease has three parts: base oil, thickeners, and additives. Compared to ordinary lubricating oils that pour easily, these greases are semi-solid. Greases are used widely in this manner because the extraordinary nature of grease allows it to stay in place, whereas lubricating oils can leak out, be washed away, or provide unequal coverage.
Industrial Grease Components
Here is what high pressure industrial greases are made of:
- Base Oil: The base oil is the largest percentage of grease and will affect its lubrication property. As mineral oils are commonly used in industrial greases, in extreme conditions synthetic oil is preferable.
- Thickener: The thickener component gives grease its semi-solid consistency. The grease thickener can be based on lithium, calcium, aluminum hydroxide or polyurea.
- Additives: Additives are used to enhance certain properties of the grease. Common additives include oxidation and corrosion inhibitors, extreme pressure additives, etc.
Types of Grease
The comprehensive selection of grease depends heavily on the machinery’s specific requirements and the operating environment. Some of the most common types of greases include:
- Polyurea-based Greases: Engineered for high-pressure environments, Polyurea-based greases are the best for heavy-duty applications.
- Synthetic Greases: Synthetic greases deliver superior performance under extreme conditions, including very high or low temperatures and chemically harsh environments.
- Lithium-Based Greases: Lithium-based greases are highly versatile and commonly used. In addition to that, they provide solid resistance to both water and oxidation.
- Calcium-Based Greases: Calcium-based greases are appropriate for high-temperature environments and areas with significant moisture or humidity.
Importance of High Pressure Grease in Industrial Applications
In industrial domains, high pressure grease plays a key role. Here is how it simplifies the comprehensive procedures in industrial applications:
1. High Viscosity
Grease is thicker than other liquid lubricants like oil. This means that it can produce a thicker protective layer between moving parts. This thicker layer stays in place better than liquid lubricants and helps to reduce friction, heat, and wear.
2. Strong Adhesion to Surfaces
One of the benefits of grease is the ability to adhere to metal surfaces in rotating motion. Liquid lubricants flow easily, and on the other hand, grease can stay in a protective film, even under force from the shaking machine or as it is being shocked in rotation. In some machines, the speed or action can cause extra lubricants to leak or get thrown out of the machine, and grease can assist in keeping the lubricating surface in place.
3. Resistance to Water
Grease is superior at protecting machines that are exposed to moisture. Grease is naturally resistant to water, forms a protective layer against moisture on metal surfaces, and helps in the prevention of rust and corrosion. Grease is made in a way that the protection lasts longer as a problem arises.
4. Handle a Wide Range of Temperatures
Greases are formulated to work in hot and cold circumstances. Greases can be used in both freezing and extreme heat situations, and some types of greases work in both conditions with reliable lubrication and protection. So, no matter the climate or conditions, the machinery can perform well.
5. Handles Heavy Loads and Shock
Industrial machines are generally exposed to harsh conditions such as strong vibrations, shocks, or heavy pressure. These machines experience many extreme conditions, and high-pressure greases are made to handle such harsh conditions. High-pressure greases protect the moving parts of machinery adequately.
6. Longer Time Between Reapplications
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One of the advantages of grease over oil is the longevity of the product. Grease generally lasts longer than oil. Machines can go longer without a re-lubrication because the grease retains its lubricating properties longer, and also reduces comprehensive downtime. This situation is advantageous in the factory or industrial environment, where stopping machines for maintenance or repair can be costly.
Tips for Selecting the Correct Industrial Grease
Choosing the right high pressure grease depends upon several variables. Here is an overview:
- Operating Environment: Always consider temperature range, load, speed, and exposure to environmental conditions.
- Manufacturer Instructions: Always refer to the manufacturer’s recommendations regarding lubrication requirements.
- Compatibility: Make sure the new grease is compatible with existing lubricants and materials present in the machinery.
- NLGI Grade: The National Lubricating Grease Institute (NLGI) has classified grease according to consistency, where grease can be thick and pasty (grade 6) or fluid-like (grade 000). Choose a grease that suits your industrial operating environment.
Conclusion
Grease lubrication has many advantages and is reliable due to its high viscosity, great adhesion properties, good water resistance properties, and a wider temperature range than any other type of lubricant. High pressure grease lubrication is suitable for machines and equipment that are demanding and very challenging. It can support equipment in many disciplines, including automotive, heavy machinery, construction, marine applications, and more.
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How Does Grease Really Work? - Don Terrill's Speed-Talk
How Does Grease Really Work?
Yesterday evening I was working on my own personal truck a Ford F350 installing new king pins and it got me thinking about how a lubricant such as a grease works in a situation where there is no pressurized supply. The grease is forced into the area between the bushing and the pin where it remains for thousands of miles and months of use before being replenished by a fresh shot from a grease gun. How does the lubricant perform this function? I seems like it would just become forced out over time and the contact area would become dry and wear out. Do the molecules in the grease interlock enough that it tends to pull fresh grease into the area between the bushing and the pin as the steering is operated? Or are the molecules so large that they can't be forced out of the clearance even if it is loaded for months sitting in the garage?It seems like the makeup of this sort of lubricant would be very different than an engine oil.
Re: How Does Grease Really Work?
Hi Dave, This is second hand info, but, I was told by the Mobil Sales Engineer that grease is nothing but oil suspended in a base. The base can be clay or soap or lithium. You can get into trouble if you mix the base type.Re: How Does Grease Really Work?
Grease is purely a boundary layer lube, i.e. it sticks to the moving surface and spaces them enough to keep the surface asperities from contact. This is in contrast to motor oil that, while forming a boundary/hydrostatic film at low RPM, is a hydrodynamic lube that depends on movement to “float” the moving surfaces.Re: How Does Grease Really Work?
BobbyB wrote:Hi Dave, This is second hand info, but, I was told by the Mobil Sales Engineer that grease is nothing but oil suspended in a base. The base can be clay or soap or lithium. You can get into trouble if you mix the base type.This is basically correct.
There are a couple of decent pdf overviews of how grease is made, how it works, and compatibility available for download on-line.
Use a search engine for:
- Synmax UNV Greases
- Kluber Oil Grease Fundementals
Re: How Does Grease Really Work?
Dave, you can get CMD#3 in cartridges for grease guns.Here's a quote on price from CMD: The price per case of 10 - 14 oz cartridges is $101.15
In Stock
Tammy Bliss
More info on the CMD site. I use it for just about everything: electric motor ball bearings and wheel bearings and king pins in my 55 Olds. I use it for the sear pin mechanism and barrel link on my A1, but not on the slides. I think it is a little too heavy for them. "Life is too short to not run a solid roller cam."
"Anything is possible, if you don't know what you're talking about."
I am NOT an Expert, and DEFINITELY NOT a GURU.
Kirkwoodken
Re: How Does Grease Really Work?
The difference between good and ordinary grease is huge.That $300 a tube Kluber stuff is worth it and more. Helping to Deliver the Promise of Flying Cars
Re: How Does Grease Really Work?
As I understood fluid dynamics the Hydrostatic wedge is still present and effective when the parts move.Just like engine oil bearings and kingpins parts are moving and creating the wedge by the surface of the materials pulling it into the clearances area's. Roller bearings are the same way.
Oil pressure is when talking about engine bearings is just a reading to reference oil supply. The pressure isn't really forcing the parts apart so much as just feeding the clearances that support the Hydrostatic wedging everyone talks about. in this case the oil is also a carrier of heat. It's thinner and get flung from the parts faster so it's requirements to feed babbit engines bearing are a little different but the behavior of the wedge is the same.
With King Pins and Rollers bearing the heat is still carried away but the speeds of the moving parts are slow enough that heat can transfer away from the parts without the extra cooling effect of thinner oils and oil pressures.
Some of the equipment I work on for a living actually use a modified version of both. The parts are moving very slowly but are under very high stresses and require a thick oil (300) weight but is only 3psi of pressure.
Re: How Does Grease Really Work?
Grease seems wrong for rolling bearings but it works good enough.. Larger trucks often have front wheel bearings running in gear oil. Motorcycle land speed racing... wearing animal hides and clinging to vibrating oily machines propelled by fireRe: How Does Grease Really Work?
DaveMcLain wrote: How does the lubricant perform this function?
For kingpins and suspension ball joints, you might think of it as "dry lubricant" mixed with oil. The oil prevents rust, and does some boundary lubrication.
Grease is cheaper than steel, and the #1 cause of wearing out is rust!! If they hard chromed the king pins I think they would last a lot longer. There might be a reason they don't. Of course if anything lasts longer then the warranty it was too good right?
Re: How Does Grease Really Work?
Here's the link for the Synmax pdfhttp://synmaxperformancelubricants.com/ ... tation.pdf
I found it helpful to understand types of greases, how they work, etc. Also what properties to look for when deciding if a particular grease is appropriate.
The Kluber presentation isn't showing up on the two search engines I tried. It was from a powerpoint given by Dennis Lauer in to the amusement park industry. If anyone wants the pdf, I can try e-mailing it. At 7.5 MB its probably to big to post on ST as an attachment.
Re: How Does Grease Really Work?
Dave, your mind is just way too analytical!Bret Pullin' for Christ
Re: How Does Grease Really Work?
I've always wondered how a grease (Valvoline wheel bearing ~) would work as a installation grease on a flat lifter camshaft. Only on the lobes, and followed by an oil change after break-in. Is the defect in what I see, or what I'm seeing with ?Re: How Does Grease Really Work?
The company is the world’s best Extreme Pressure Grease supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
Nick Campagna wrote:I've always wondered how a grease (Valvoline wheel bearing ~) would work as a installation grease on a flat lifter camshaft. Only on the lobes, and followed by an oil change after break-in.back in the day people used "white" grease as a cam break in compound
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