Advantages or Usefulness of Proper Automatic Centralized Lubrication System

What is Lubrication System:-
We
have already discussed difference between Lubricating Oil is &
Lubricating Grease & you can also read about how proper lubrication
system can decrease friction & wear from moving surfaces in mutual
contact. To understand how lubricants reduce friction & wear, you
need to understand the basic relation between Frictions, Wear &
Lubricants.
Types of Lubrication System:-
There are mainly two types of Lubrication system, as per the application criteria & industry wise it can vary.
- Manual Lubrication System
- Automatic / Centralized Lubrication System
Manual Lubrication System:-
Manual Lubrication – By its name, you can understand the working principle of manual lubrication system. Manual lubrication means lubrication process done by manually in a certain period as per application requirement & considering criticality of the application. To do manual lubrication, it is require a portable pump, which is obviously not a part of main machine. You need to arrange it separately for lubrication purpose. Tube is fitted with the lubrication pump, which carries the lubricant (Grease) to the friction point.

Manual Lubrication Pump & Grease Filling

Automatic or centralized Lubrication System:-
Automatic
lubrication system, which is also known as, centralized lubrication
system used to deliver a controlled amount of lubricant in a controlled
timing to different friction points when the machine is actually in
running condition. As per the lubricants used, these types of
centralized lubrication system can be classified in two types.
- Automatic Oil lubrication system.
- Automatic Grease lubrication system.
Centralized
Oil lubrication system usually used where components will be lubricated
through lubricating oils like stationary manufacturing equipment like
CNC machine (Computer Numerical Controlled Machine). Whether grease
lubricating system used in wide range of machinery lubrication purpose.
Reasons for using automatic lubrication system:-
Study
says that in plant maintenance lubrication cost is approx. only 3% of
total cost of maintenance budget but lubrication related activities
could reach up to 40% of total maintenance budget. If you need to
achieve optimum, reliability & maximum benefits from Lubrication
system then there are many factors need to be under consideration.
The right lubricant: -
The proper lubricants selection for proper application is vital to get maximum benefits from the lubrication system. Normally right lubricants selection can be depend on four factors of applications.
- Speed
- Ambience
- Load
- Temperature
Right quantity: -
Neither less quantity of grease is good nor high quantity. Increase qty of grease can increase temperature & friction inside of the bearing & can decrease the efficiency or lifetime of bearing lead to failure. Only measured lubricant qty reached to lubrication point so, no wastage of lubricants hence lubrication cost reduce.
At the right time: -
Lubricants will be effective to reduce friction & wear, if supplied in the right timing with proper re-lubrication interval.
At the right point: -
Grease
or oil should reach at the right point where friction & wear is
high. If it not reaches to the friction point, then it will be no use.
With the right method: -
Whether
you are using Manual or automatic lubrication system, method used for
lubrication as much important as the other factors considered. As in
majority of applications, centralized lubrication system is recommended
but in some type of special applications, manual lubrication is more
beneficial.
Benefits of using Centralized lubrication system:-
- Ease of access: - All critical components of the machine can be lubricated, regardless of criticality & location. It also reduce the risks taken by the maintenance people to lubricate the unassessed components. This also ensures safe machine operation.
- Increase machine efficiency: - In centralized Lubrication system lubrication takes place when the machinery is in running condition causing the lubricant to be equally distributed to all the friction points and increasing the machine efficiency, overall performance, fewer breakdowns, reduced downtime & replacement costs.
- Reduced energy consumption: - In centralized or automatic lubrication, system as lubricants reaches to it the friction point at right time, right qty hence due to less friction energy consumption reduced & lower overall machine operation costs.
- Cleanliness: - Lubricant contamination with foreign particles effects bearing overall performance & life. Avoiding grease contamination in manual lubrication system can be a challenge for every maintenance peoples. However, through automatic lubrication system we can avoid lubricants contamination & achieve cleanliness. In automatic lubrication system, an automatic lubricator is able to supply a continuous and accurate flow of fresh and clean lubricant to the lubrication points.
- Reduced Labor Cost-
In manual lubrication system, labous are simply pushing a lever on a
grease gun to provide lubrication to machines can be easily replaced by a
machine. However, the real problem is whether you are getting the
maximum benefits from your skilled maintenance peoples or not. Most
probably, you will not be able to match the benefits you will get from
centralized lubrication system compare to manual lubrication system.
Centralized lubrication system can be established or improved through below mentioned process.
- Lubrication routes can be improved continuously as per requirement.
- Lubricant analysis program can be implemented to analysis the lubrication process.
- By Implementing Contamination control and oil reconditioning program, we can achieve max benefits of lubrication & increase overall machine performance & life.
- Study says, due to leakage of lubricants from application, costs huge & creates high effects on plant maintenance budget. Leakage control program must be implemented to reduce the lubricants consumption, reduce lubrication costs.
Environmental Health and Safety / Sustainability:-
Improper
lubrication system or loss lubrication system can have significant
effect on environment. Most of lubricants used in applications is not
biodegradable & contaminates our mother nature. In addition, it
depends on the disposal practices you are implementing in your plant.
Overall, to reduce the environment contamination we need to establish a
proper disposal method as well as need to check lowest wastage of
lubricants from application while running.
While you are using
automatic lubrication, system in your application does not mean that it
will need no inspections & you will achieve 100% success rate &
application life. To achieve highest success rate & increase the
overall application performance regular checkup & improvement is
necessary as per industry standard.
Setting up automatic lubrication system:-
Setting
up automatic lubrication system requires a level of experience &
investment. However, to get the return of investment you have to choose
the right lubricant as per application criteria & need regular
checkup & improvement. Currently there are different types of online
monitoring devices available to increase the overall productivity &
regular checkup of application & lubricants performance.
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