Value engg bulb holder
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Value Engineering of Plastic bulb holder
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Course: Value EngineeringFaculty: Mr. Jayanth MurthyDate: 8th to 12th August 2011
Team Members:Alomi Chishi, Ankur Gupta, Jaskeerat bedi, Madhumanti Ghosh, Subhash Chandra Gupta, Vaibhav Vyas
Batch:Post Graduate Diploma Program in Design, 2011Discipline:Strategic Design Management, Semester IIIInstitute:National Institute of Design, Gandhinagar, India
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Table of Content
Introduction …………………………….. 01
Project
Project selection phase………………………. 02
Information Phase…………………………….. 03-06
Function Phase………………………………... 07-08
Creative Phase………………………………... 19-13
Analytical Phase……………………………….. 14-16
Evaluation Phase………………………………. 17
Recommendation Phase……………………… 18-19
contact
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04/08/2023
Introduction
Value engineering (VE) is a systematic method to improve the "value" of goods or products and services by using an examination of function. Value, as defined, is the ratio of function to cost.
It is a primary tenet of value engineering that basic functions be preserved and not be reduced as a consequence of pursuing value improvements.
Value= Functioncost
1
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Product chosen :‘Plastic Bulb Holder’
Manufacturer : LocalMRP: Rs 8:00Colour : BlackDescription : Outer body is injection molded , made out of plastic (bakelite) and two bronze electrical connectors to connect to the electricity.
The plastic bulb holder is a medium to mechanically support a bulb and to make electrical contact.
Project Selection Phase
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Exploded view‘ Plastic Bulb Holder’
Information Phase
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Bill Of Material
Sr No. Component Material Qty. CostTotal Mat. Mfg
1 Main body Plastic (Bakelite) 1 1.54 1.04 0.52 Cover Plastic (Bakelite) 1 0.82 0.52 0.3
3Electrical
Connector(Body)
Bronze 2 0.46 0.16 0.3
4Electrical connector
(Screw)Bronze 2 0.18 0.08 0.1
5 Ring Plastic (Bakelite) 1 0.59 0.39 0.26 Spring Steel 2 0.14 0.04 0.1
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Material map of bulb holder
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No Segment Stated Expectation
Implied Expectation
1 General Hold the bulb firmly
Affordable
Durable
Safe
Good connectivity
2 Engineer Manufacturability Material safety
Technical Feasibility
Good insulation
Cost Effective Production
3 Manufacturer
Saleable Material Economy
Cost Effectiveness
Profit Labour Economy
Production friendly
4 Distributor Easy to ship Easy availability
Durable-no breakage in transit
No Segment Stated Expectation Implied Expectation
1 Seller/Shopkeeper/Vendor
Profitable High Demand
2 User Workable Material safety
Durable Good insulation/Connectivity
3 Junk Dealer Recyclability
Selling Components
4 Environment Biodegradable Pollution free production
Non-toxic
Expectation Analysis of Various Segments
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Main BodyCover Ring
PinMaterial: brass
Material : Bakelite
Function Phase
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Sr.No Component Cost
Primary Function Secondary FunctionWorth
[W] V-I-PBasis of
identifying VIP
Benefit of change
Verb noun Verb Noun
1 Main body 1.54 Holds Bulb Holds Terminals 1.34 0.20Material can
be reduced in the body
Material cost is reduced
2 Cover 0.82 Cover Terminals Guides wire 0.72 0.10 Material can be reduced
Material cost is reduced
3Electrical
ConnectorBody
0.46 Transfer Electricity Holds Spring 0.46 0
4Electrical
ConnectorScrew
0.18 Attach Wire 0.18 0
5 Ring 0.59 Lock Cover Complete Form 0.59 0
6 Spring 0.14 Provide Back force Transfer Electricity 0.14 0
Function-Cost-Worth-Value Improvement Potential Analysis
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Bakelite Brass
Main body (8gm) Cost % - 41.28%
Bakelite Qnty - 1
Cost of manufacturing - 0.5
Cost of material – 1.04
Provide Support for bulb. Holds Pin.
Cover (4 gm) Cost % - 21.98%
Bakelite Qnty – 1
Cost of manufacturing – 0.3
Cost of material – 0.52
Cover Brass terminal. Guides Wire.
Ring (3 gm) Cost % - 15.81%
Bakelite Qnty – 1
Cost of manufacturing – 0.2
Cost of material – 0.39
Provide Support for Lamp Shade.
Cost of manufacturing - 1 Cost of material - 1.95
Pin (Body) 2 gm Cost % - 12.33%
Brass Qnty – 2
Cost of manufacturing - 0.3
Cost of material – 0.16
Transfer electricity to the Bulb.
Screw (1 gm) Cost % - 4.82%
Brass Qnty – 2
Cost of manufacturing – 0.1
Cost of material - 0.08
Attach Wire to the Pin.
Spring (0.5 gm) Cost % - 3.75%
Bakelite Qnty – 2
Cost of manufacturing – 0.1
Cost of material - 0.04
Provide back force to the bulb so that ensures locking.
Cost of manufacturing - 0.5 Cost of material - 0.28
Cost of manufacturing - 1 .5Cost of material - 2.23
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Creative phase
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Creative phase
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Design 1- INTEGRATED BATTERY within BULBHOLDER
Adding Function of an integrated battery, that gets charged with heat/light energy produced by the bulb, when connected via electricity. If the electricity goes off, the battery gets activated and the bulb is switched ON .
Though the cost of the bulb holder increases, the function of the bulb holder increases many times. Houses that have power cuts up to 8 hours may consider replacing for this design.
Material used for the new design will be better, better technology
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Creative phase
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Design 2- MINIMALIZED material
Value can be increased if we reduce the material of Brass and spring used in the bulb holder. This can be achieved if re-design the plate inside the holder, closer to the bulb. Also the bulb is interlocked by threading. The number of threads can be controlled and reduced.
This design will use lesser material and better interlocking techniques.
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Creative phase
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Design 3- SAFE DESIGN
The most important aspect of a bulb holder is that it should be safe for uses to use.In our third option, we use superior quality material and complex design using magnetic
plates, that will ensure easy & safe usage for wiring and attaching the bulb.
Superior Material, durable product & ease of use
04/08/2023 14
Creative phase
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Analytical Phase
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Attributesgrip/locking mechanism (A)
material (B)
safety ( c)
durability (D)
connectivity (E)
affordability (F)
ease of use (G)
grip/locking mechanism (A)
x A2 C4 A2 A1 E1 A4 A2 11
material (B) C4 B1 D1 E4 F2 B2 3
safety ( c) C4 C1 E1 C4 C4 21
durability (D) E4 D2 D4 7
connectivity (E) E4 E4 18
affordability (F) F2 4
ease of use (G) 0
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Evaluation phase
Design
A/11 B/3 C/21 D/7 E/18 F/4
Design 1(battery aided)
33 9 63 21 90 12 228
Design 2 (minimized)
55 9 21 21 54 20 180
Design 3 (magnet)
33 15 105 35 54 4 246
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Recommendation phase
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Recommended Design 1
• A battery aided LED light attached• Increases functionality• Does not require change in the original form of
the product
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Recommendation phase
04/08/2023 18
Recommended Design 2• Magnet plate for attachment• Reduce the size of the product considerably• This will make the product highly safe• The bulb changing process will be much more
easier
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contact
For any queries:
Alomi Chishi: [email protected]
Ankur Gupta: [email protected]
Jaskeerat Bedi: [email protected]
Madhumanti G: [email protected]
Roli Agarwal: [email protected]
Subhash G: [email protected]
Vaibhav Vyas: [email protected]