INDUSTRIAL VISIT REPORT

PAKISTAN ELEKTRON LIMITED

INTRODUCTION TO PEL (PAKISTAN ELEKTRON LTD) :

Pakistan Elektron Limited is an immortal manufacturer of electrical appliances all over the world. It was established in 1956, in technical collaboration with M/S AEG of Germany. On the basis of the nature of products, it has been categorized as;

Power division Appliances division

POWER DIVISION:

Power division is further divided into three plants

1. Energy meter plant2. Transformer plant3. Switch gear plant

All the plants are ISO 9001:2000 certified. PEL has always been a major supplier of electrical appliances to

Water and power development authority ( WAPDA ) Karachi electrical supply corporation ( KESC)

It has privilege over the other leading industries owing to the affiliation with certain international consultants such as

Preece,Cardew and Rider, England Harza Engg Company,USA Miner and Miner International Inc,USA Ensa,FRANCE

APPLIANCES DIVISION:

It involves the production of AIR CONDITIONERS, REFRIGERATORS, DEEP FREEZERS etc.

It has always been prolific in its products as well as skilled labor among the other leading companies of PAKISTAN.

REFRIGERATOR ASSEMBLY LINE

When all the components are transferred to the refrigerator assembly line, following steps are followed for the general fridge production and layout.

1. Thermo Forming Section2. Pre-Assembly Section (a)3. Pre – Assembly Section (b)4. Foaming Section5. Assembly Line Section 6. Door Assembly 7. Final Line Section 8. Final Inspection Section 9. Packing Section

The process design in the assembly line of refrigerator consists of the following operations.

THERMO FORMING SECTION

The process starts from this section .In this section all the parts are checked by the quality control department and if there is any discrepancy, it resolved or removed with the help of Forming operation. Many parts of the refrigerator, which are imported from Italy, are passed through by this forming operation. The damaged parts and components are repaired in thermo forming section.

PRE- ASSEMBLY SECTION [A]

On the arrival of the parts in this section, during assembly certain operations performed by technical individuals, are as follows:

[1] CLEANING OF BODY:

This operation involves the removal of dust from the body.

[2] ASSEMBLY OF SHEET METAL PARTS:

Here The Sheet Metal parts are assembled with body through tape.

[3] ASSEMBLING OF OTHER PLASTIC PARTS:

Here the assembly of other parts is done. For Assembly purposes tape is used .

[4] ASSEMBLY OF FREEZER:

After the assembling of all plastic parts, the freezer is assembled with the body. It is also done with the help of tape.

PRE- ASSEMBLY SECTION [B]

After the assembling of plastic parts and of freezer, the body is sent to this section. The following

are operations are then performed in this section.

[5] COVER OF FREEZER

Here the cover of freezer is placed. It is done with the tape.

[6] FREEZER COVER TIGHTENING

Now the cover of the freezer is tightened through screws for protection purposes.

FOAMING SECTION

Here the following operations are taking place.

[7] THROUGH CHECKING OF BODY:

Here the body with all its plastic parts and freezer is inspected so that it can be free from all faults. Here the freezer and its body is checked with the help of heavy machines so that it don’t have any looseness.

[8] INSULATION

Here the whole body is passed through the machinery, for he insulation of the tape .Machines

automatically inject the liquid, which holds the parts together.

[9] GAS INJECTION

Here the special gas is injected in parts with help of imported machinery.

ASSEMBLY LINE SECTION

Here the compressor and other parts are assembled and the following operations are performed.

[10] COMPRESSOR ASSEMBLING

Here the compressor is assembled and tightened with the help of screws.

[11] COOLING CIRCUIT

After compressor’s assembling, the cooling circuit is fitted in the body.

[12] ELECTRICAL CHECKING

Here the installed electrical machine checks all the components of the refrigerator.

[13] LEAKAGE DETECTION

Here the gas leakage detector is use to detect any flaw in the gas supply. The refrigerator is tested for a complete night for the detection of gas leakages.

FINAL LINE SECTION:

This section performs multiple operations, which are discussed below.

[14] PLASTIC MEGNAT

Here the plastic magnet is put into the rubber of the body and of the door.

[15] RUBBER COUPLING

Here the rubber with plastic magnet is coupled and joined with the body and with the door.

[16] ACCESSORIES PLACEMENT

Here the different accessories are placed in the refrigerator for customer use. The main accessories

are:

* Plastic boxed * Plastic sheets

* Buttons * Bulbs

* Wires * Covers

DOOR ASSEMBLY SECTION

This section has following operations

[17] ALIGNMENT OF STEEL PARTS WITH THE DOOR

Here the steel parts are aligned and tightened with the door.

[18] DOOR TIGHTENING

Now the door is tightened with the body with the help of screws

FINAL INSPECTION SECTION

Here the refrigerator is thoroughly and finally inspected. The operations include.

[19] OPERATIONAL/ FUNCTIONAL TESTING

Here a refrigerator is operationally/ functionally tested. It is operated for a whole day.

[20] QUALITY CONTROL CHECKING

Here the quality assurance is checked. The refrigerator is checked technically and physically by

quality control.

PACKING SECTION: -

Now the refrigerator is ready for packing after quality control checking. So the refrigerators are packed according to their models and colors, and delivered to the Storerooms.

LAB REPORT

Experiment:

Molding

Objective:

To make the first alphabet of your name using wax through molding .

Apparatus used:

1. Wax 2. Heating source3. Mold 4. Container for molten wax

Process:1. Heat the wax with the assistance of any heating source until it

melts.2. Carefully fill the mold with molten wax until it spits out from the

mold.3. Allow the wax to cool down for a couple of minutes.4. When the wax solidifies, open the mold with the help of key.5. Take out your work piece gently from the mold.