How to remove bearings from equipment?

04/06/2011 by 1 Comment

For rotating equipment normally it have a bearing for smooth running.Each type of bearing design has a deference method for remover.We must know how to remove the bearing according the types and the location it have install.

The remover process  must be done with extreme care. If not,you can damage the bearings,housings or shaft and can make the high additional cost for repairs.

Common practice for smaller bearings, we can choose  a variety of pullers available in market to deal with bearing removal process.If you not sure how to choose the right puller or need a special pullers please be obtained by contacting your electric motor supplier or manufacture for more detail. read more

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Bearing lubrication

29/05/2011 by Leave a Comment

To ensure the electric motor always in good condition,we must perform periodical bearing lubrication.Normally electric motors moves the majority of rotating equipment in the industry.

From the analysis,the major cause for electric motor failure is a bearing defected around 75%.That why bearing lubrication very important to avoid electric motor breakdown.It also can save repairing cost for electric motor major failure. read more

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Electrical motor components

02/05/2011 by 2 Comments

Electrical motor is a common used in industrial for many application.This time i want share the basic knowledge for electric motor.Before we go further about how to troubleshooting,repairing or installing,firstly we must know roughly about the electrical motor component.

For electrical person,electric motor components basic knowledge should familiar because we can easily understand operation and troubleshooting for electric motor.

We must know all electrical motor components function before we perform any task for electrical motor.This is very important information to make our jobs more easy and smooth.Below are several important for electrical motor components. read more

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motor nameplate information #6 – Construction

15/03/2011 by 1 Comment

This information is very useful when we selected the electric motor.From this data we can estimate the type of motor and the suitable application to ensure it running full capacity and more efficiency.

This is a basic data that we can get from electric motor name plate.Normally it tell about enclosure,motor frame,and bearing.This information can make we easier to rectify any problem when motor is defected.

Example we can know the size and type of bearing used for that motor.We can know the information without dismantle the motor.Only from the nameplate of motor. read more

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Types of bearing damage for electric motor

11/03/2011 by 3 Comments

From research and root cause analysis for electric motor problems,the higher percentage came from bearing damage around 65%.That mean bearing is very important component in electric motor.

This time i want share about common types of bearing damage for electric motor and how to make a corrective action to avoid same problem happen again.Bearing usually can be used for a long period before their reaching the life span.

Bearing damage usually cause by improper bearing selection,no lubrication,rusty,corrosive,no greasing,wrong handling and due to types of application.Below i describe detail about types of bearing damage and how to prevent it from happen again. read more

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How to replace bearings for electric induction motor?

25/02/2011 by 6 Comments

For electric motor failure causes,the common defected for mechanical part is bearing.Normally 1 unit motor have a 2 pieces of bearing and type of bearing for induction motor is ball bearing full metal cover ( ZZ ).

Root cause for bearings problem usually such as rusty due to condensation process,ball in housing broken,grease was burn out,a ball bearing nest broken and overload or motor shaft connected with load is not alignment properly.

For electrician or maintenance person,this is a routine jobs and it is a compulsory skills for this person who involved in electrical motor field.

This time i want share my little experience how to replaced bearing for electric induction motor.Don’t worry, i explain detail step by step how it done in my video.I hope it can be a guideline  to do it yourself in actual workplaces. Read more

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AC Motor Nameplate

02/10/2010 by 12 Comments

Motor name plate is the introduction or certificate for an electric induction motor.We can know in detail about an electric motor with refer to the nameplate.It same like our identification card or passport.All detail information about that electric motor we can get from this nameplate.

These parameters are then print onto the motor nameplate,it state a basic definition of what motor have received.Manufacturers often include additional information to further define a key motor features.

From motor name plate we can determine many things.All information is very useful when we perform installation,power supply termination,troubleshooting and repairing jobs. read more

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