presentation on my industrial training in r
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3-MONTH 3-MONTH INDUSTRIAL INDUSTRIAL TRAININGTRAININGIN BEETEL, IN BEETEL, HUMBRANHUMBRAN
THIS UNIT IS THE ONE OF THIS UNIT IS THE ONE OF THE TELEPHONE THE TELEPHONE
MANUFUFACTURING UNIT MANUFUFACTURING UNIT OF BHARTI TELETECH OF BHARTI TELETECH
LIMITEDLIMITED
OTHER UNITS OF OTHER UNITS OF BHARTI ENTERPRISES BHARTI ENTERPRISES ARE:ARE:1.1.GOA GOA TELECOMMUNICATIONS.TELECOMMUNICATIONS.2.2.OKHALA, DELHI.OKHALA, DELHI.
MAJOR DEPT. IN THE MAJOR DEPT. IN THE INDUSTRYINDUSTRY
• R&D(RESEARCH & DEVELOPMENT)R&D(RESEARCH & DEVELOPMENT)• HRD(HUMAN RESOURCE DEPT.)HRD(HUMAN RESOURCE DEPT.)• IQC(INCOMING QUALITY CONTROL)IQC(INCOMING QUALITY CONTROL)• MAIN STOREMAIN STORE• CALIBRATION & RELIABILITYCALIBRATION & RELIABILITY• ESC(ENGG. SUPORT CELL)ESC(ENGG. SUPORT CELL)• PLASTIC & GENRAL ENGG. (MOULDING)PLASTIC & GENRAL ENGG. (MOULDING)• MAINTENANCE DEPT.MAINTENANCE DEPT.• PRODUCTION ELECTRONICSPRODUCTION ELECTRONICS• FQC(FINAL QUALITY CONTROL)FQC(FINAL QUALITY CONTROL)• CSC(COUSTOMER SUPPORT CELL)CSC(COUSTOMER SUPPORT CELL)
I HAVE DONE MY TRAINING IN I HAVE DONE MY TRAINING IN R&D(RESEARCH & DEVELOPMENT)R&D(RESEARCH & DEVELOPMENT)
IT IS A CENTRALISED DESIGN IT IS A CENTRALISED DESIGN CENTRE OF BEETELCENTRE OF BEETEL
THERE ARE TOTAL 22 THERE ARE TOTAL 22 EMPLOYEES IN R&D DEPTEMPLOYEES IN R&D DEPT..
• MANAGER & JUNIOR MANAGERMANAGER & JUNIOR MANAGER
• 12 ENGGINEERS12 ENGGINEERS
• 8 TECHNICIANS8 TECHNICIANS
STEPWISE WORK-STEPWISE WORK-PROCEDURE OF R&DPROCEDURE OF R&D
STAGE-1STAGE-1• FEATURES FINALISATIONFEATURES FINALISATION• PLASTIC FINALISATIONPLASTIC FINALISATION• ELECTRONIC PLATFORM FINALISATIONELECTRONIC PLATFORM FINALISATION• TENTATIVE BILL OF MATERIAL COST & TENTATIVE BILL OF MATERIAL COST &
CERTIFICATION FROM MATERIALSCERTIFICATION FROM MATERIALS• BENCH-MARKETING/MARKET PLACEMENTBENCH-MARKETING/MARKET PLACEMENT• PROJECT PROPOSAL PROJECT PROPOSAL
TOTAL DURATION-11 DAYSTOTAL DURATION-11 DAYS
STAGE-2STAGE-2• SOFTWARE DEVELOPMENT(IF SOFTWARE DEVELOPMENT(IF
APPLICABLE)APPLICABLE)• SCHEMATIC DIAGRAMSCHEMATIC DIAGRAM• PREMILIARY BOM(BILL OF PREMILIARY BOM(BILL OF
MATERIALS) TO MATERIALSMATERIALS) TO MATERIALS• DESIGN INPUTS TO PCB DESIGNER & DESIGN INPUTS TO PCB DESIGNER &
SIGN-OFFSIGN-OFF• PCB DESIGNPCB DESIGN• PCB FABRICATIONPCB FABRICATION
•PCB ASSEMBLYPCB ASSEMBLY
•TESTING/PARAMETER TESTINGTESTING/PARAMETER TESTING
• ASSEMBLY OF PHONESASSEMBLY OF PHONES
•FEILD TESTINGFEILD TESTING
•FEILD TEST REPORT COMPILATIONFEILD TEST REPORT COMPILATION
•RELEASE OF CUSTOM BUILT ITEMS RELEASE OF CUSTOM BUILT ITEMS DRAWINGSDRAWINGS
TOTAL DURATION-42 DAYS
STAGE-3STAGE-3•MATERIAL ARRANGEMENT OF 35 SETSMATERIAL ARRANGEMENT OF 35 SETS
•PCB FABRICATIONPCB FABRICATION
•INSTRUCTION MANNUAL DEVELOPMENTINSTRUCTION MANNUAL DEVELOPMENT
•35 PCB ASSEMBLY IN R&D35 PCB ASSEMBLY IN R&D
•TESTING & FINE TUNINGTESTING & FINE TUNING
•35 PHONE ASSEMBLY & TESTING35 PHONE ASSEMBLY & TESTING
TIME DURATION-30 DAYSTIME DURATION-30 DAYS
STAGE-4STAGE-4• MARKET TEST SAMPLES DISTRIBUTIONMARKET TEST SAMPLES DISTRIBUTION
• LONG LOAD ITEM LISTLONG LOAD ITEM LIST
• MARKET TESTMARKET TEST
TIME DURATION-25 DAYSTIME DURATION-25 DAYS
STAGE-5STAGE-5• MARKET TEST REPORT COMPILATIONMARKET TEST REPORT COMPILATION
• FEEDBACK FROM MANUFACTURINGFEEDBACK FROM MANUFACTURING
• CORRECTIVE ACTIONCORRECTIVE ACTION
• DOCUMENTS RELEASE & SIGN OFFDOCUMENTS RELEASE & SIGN OFF
• PILOT LOT PLANEPILOT LOT PLANE
TIME DURATION-20 DAYSTIME DURATION-20 DAYS
STAGE-6STAGE-6• PILOT LOT OF 500 TO 1000 SETSPILOT LOT OF 500 TO 1000 SETS
• BULK MANUFACTURINGBULK MANUFACTURING
TOTAL DURATION-AS PER SHEDULETOTAL DURATION-AS PER SHEDULE
My My Project IN R&DProject IN R&D
1.1. STANDARDISATION OF PCB(PRINTED STANDARDISATION OF PCB(PRINTED CIRCUIT BOARD)CIRCUIT BOARD)
2.2. AUTO-MUTING CIRCUITAUTO-MUTING CIRCUIT
STANDARDISATION OF PCBSTANDARDISATION OF PCB IT MEANS SOME STANDARDS AND IT MEANS SOME STANDARDS AND
GUIDELINES THAT ARE FOLLOWED GUIDELINES THAT ARE FOLLOWED DUIRNG MANUFACTURIN AND DESIGN DUIRNG MANUFACTURIN AND DESIGN OF PCB TO REDUCE FAULTSOF PCB TO REDUCE FAULTS..
MOST COMMON PROBLEMS AND MOST COMMON PROBLEMS AND THEIR SOLUTIONS ANALYSED BY THEIR SOLUTIONS ANALYSED BY ME DURING ASSEMBLING OF PCB ME DURING ASSEMBLING OF PCB ARE:ARE:
Problems & there solutions:Problems & there solutions:
1.1. Ringer IC shortage Ringer IC shortage
Solution:Solution: white-masking length should be of 3mm. white-masking length should be of 3mm.
2.2. Loose Hook-switchLoose Hook-switch
Solution:Solution: Standard diameter for upper legs- 2.1 Standard diameter for upper legs- 2.1
Standard diameter for lower legs- 1.8Standard diameter for lower legs- 1.8
3.3. Solder-shorting between pins of T/P switch & Solder-shorting between pins of T/P switch & ringer switch pinsringer switch pins
Solution:Solution: Pitch should be of 2mm. Pitch should be of 2mm.
4.4. Radio frequency interface problem: Radio frequency interface problem:
Solution:Solution: To make complete ground loop in whole To make complete ground loop in whole PCB circuitPCB circuit
5.5. Solder-shorting between pins of ribbon wire: Solder-shorting between pins of ribbon wire:
Solution:Solution: Pitch should be of 2mm. Pitch should be of 2mm.
6.6. Soldering problem during wave soldering: Soldering problem during wave soldering:
Solution:Solution: All SMT components should be in same All SMT components should be in same direction to avoid dry solderingdirection to avoid dry soldering
AUTO-MUTING DURING AUTO-MUTING DURING TELEPHONE TELEPHONE
CONVERSATIONCONVERSATION
Telephone conversation can be made Telephone conversation can be made disturbance-free using this simple circuit. As disturbance-free using this simple circuit. As soon as you lift the telephone handset to soon as you lift the telephone handset to converse, the T.V ,music system or any other converse, the T.V ,music system or any other appliance that may be causing disturbance appliance that may be causing disturbance gets switched off. It turns on when you place gets switched off. It turns on when you place the handset on the cradle.the handset on the cradle.
NEXT THREE MONTH NEXT THREE MONTH IN CMS INSTITUTE OF IN CMS INSTITUTE OF
HARDWARE & HARDWARE & NETWORKING,LDH.NETWORKING,LDH.
HARDWAREHARDWARE
A COMPUTER IS A COMPLEX MACHINE A COMPUTER IS A COMPLEX MACHINE THAT INCORPORATES DIVERSE THAT INCORPORATES DIVERSE CONCEPTUAL SCIENTIFIC, CONCEPTUAL SCIENTIFIC, MATHEMATICAL AND ENGINEERING MATHEMATICAL AND ENGINEERING DETAILS.DETAILS.
HARDWARE,FIRMWARE & SOFTWARE HARDWARE,FIRMWARE & SOFTWARE TOGETHER MAKE UP A COMPUTER TOGETHER MAKE UP A COMPUTER SYSTEMSYSTEM
INPUT-OUTPUT PROCESS INPUT-OUTPUT PROCESS FLOW IN A COMPUTER FLOW IN A COMPUTER SYSTEMSYSTEM
MOST IMPORTANT MOST IMPORTANT COMPONENENT COMPONENENT MOTHERBOARDMOTHERBOARD
ISA BUSISA BUS
MICRO CHANNEL(MCA) MICRO CHANNEL(MCA) BUSBUS
INTEL D845GVSR INTEL D845GVSR MOTHERBOARDMOTHERBOARD
NETWORKINGNETWORKING
NETWORK IS A GROUP OF SYSTEMS NETWORK IS A GROUP OF SYSTEMS THAT ARE CONNECTED TO ALLOW THAT ARE CONNECTED TO ALLOW SHARING OF RESOURCES SUCH AS SHARING OF RESOURCES SUCH AS FILES,PRINTER,INTERNET FILES,PRINTER,INTERNET CONNECTION.CONNECTION.
TYPES OF NETWORKSTYPES OF NETWORKS
LOCAL AREA NETWORKLOCAL AREA NETWORK
CAMPUS AREA NETWORK(CAN)CAMPUS AREA NETWORK(CAN)
METROPOLITION AREA NETWORK(MAN)METROPOLITION AREA NETWORK(MAN)
WIDE AREA NETWORK(WAN)WIDE AREA NETWORK(WAN)
LAN CAN MAN WAN
Connects computers and workstations in Office or home.
Connects two or more LANs within the campus.
Interconnects networks in a town or a city.
Connects geographicallyseparated LANs
Covers a local area of 1 km
Covers privately owned campus with an area of 5 to 100 km
Covers larger area than LAN but smaller area than WAN with an area of 2 to 100 km
Spans large geographical area more than 100 km
Data Transmission Rate – 10/100 mbps
Data Transmission Rate - Variable
Data TransmissionRate -Variable
Data TransmissionRate- 64 kbps or 2 mbps
Uses IEEE 802 standard
Uses IEEE 802 standard
Uses ITU standard
Low cost High cost High cost (Repetitive) High cost (Repetitive)
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