pakistan ordinance factories (pof)
DESCRIPTION
Maintenance plan of POFTRANSCRIPT
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PAKISTAN ORDINANCE FACTORIES (POF)
Group membersNuman khan (class no 07)Irfanullah (class no 11)Shafi uddin(class no 21)Asif khan(class no 26)
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BRIEF DESCRIPTION
Type : Defense Founded : Wah, Pakistan (1951)Headquarters: Wah Cantt, Pakistan.Industry: Arms and Ammunitions
Manufacturer Employees : 25,000
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INTRODUCTION
Pakistan Ordinance Factories are the premier defense industries in Pakistan producing a wide range of conventional defensive ammunitions to international standards.
Recognized for quality, reliability and competitive POF products are internationally accepted.
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INTRODUCTION
The nucleus of POF has grown in to a large modern engineering and chemical group of factories, producing large range of munitions systems of ground, air and naval forces in additions to meeting the domestic demands of the defense forces
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INTRODUCTION
POF products are in service with over 30 countries, conforming to the highest international standards of quality and reliability.
An international name in quality and reliability, all manufacturing units of POF are ISO-9001 & ISO-14001 certifies. Its metallurgical testing labs and ballistic proof ranges have the word’s class recognition of ISO-17025.
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MAINTENANCE OF MACHINESIn the field of maintenance the traditional
approach has been to rely upon the knowledge and skill of the craft-persons who conduct it. There is a great deal of pride of workmanship and, in all too many organizations, a great deal of psychic income in addition to significant overtime pay for successful emergency repairs to return equipment to operation after unplanned shutdown.
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Machine BreakdownsMain reasons of machine breakdowns are
as follows:Lack of or Improper Maintenance
(Cleaning & lubrication oil checks)Age of Equipment - Exhausted Useful Life
of MachineryImproper Use of EquipmentLack of Control or Safety Devices
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Machine BreakdownsFailure of Safety Devices to Function
ProperlyPoor Workmanship/Inferior Materials
(e.g.; Cast iron)Operator ErrorPoor Operating EnvironmentExternal Forces
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Procedures Of MaintenanceTwo main procedures of maintenance
used in POFs are as follow:Preventive MaintenanceCorrective Maintenance
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Procedures Of MaintenanceMaintenance
Preventive Maintenance
Schedule A
(After every 3 months)
Schedule B
(Annually)
Schedule C
(Reconditioning)
Corrective Maintenance
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Preventive MaintenanceSCHEDULE A
Check for connections of motors, stators and loose connections.
Electrical wiring setting.Checking of motors foundation bolts.Safety checks on electrical systems,
alarms and sensors.
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Preventive MaintenanceChecking the motors belts and
pulleys.Checking of pneumatic and
hydraulic system.Checking of lubrication oil and
coolant oil.Checking of gear box and no sound
conditions.
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Preventive MaintenanceSCHEDULE B
Replacement of filters and checking of lubrication oil.
Complete checking and cleaning of coolant system.Setting of transmission box, clutches and pulleys’
alignment.Checking of the safety devices.Complete checking of machines’ elements e.g.
beds, slides and turrets.In working conditions there should be no sound in
parts of machine.
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Preventive MaintenanceSCHEDULE B
Removing any leakage in pneumatic, oil or hydraulic systems.
Complete cleaning after work.Checking machine bolts and removing any
loose bolt.Checking electrical connections.Safety of motors, stators and other parts of
machines.Alignment of motor shafts, pulleys and slides
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Preventive MaintenanceSCHEDULE C
In schedule C the reconditioning or overhauling of machines is done, when it is required.
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Corrective Maintenance
This maintenance is done when required. The daily breakdowns are included in this type of maintenance.
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