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ELEMENTS OF JOB PLAN
IN VALUE ENGINEERING
PHASES:
ORIENTATION
INFORMATION
SPECULATION
ANALYSIS
DEVELOPMENT
PRESENTATIONIMPLEMENTATION
FOLLOW UP
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CASE STUDY
We have considered a medical instrument
manufacturing company, Aadarsh Instruments,
located in Ambala, for analysis which runs export
business of medical microscope. It is an ISO certified
company.
One of their model SL250 have a component
Named Focus Adjustment Knob for Slit Lamp in
microscope. This microscope has found applicationin the field of eye inspection.Value Engineering is
applied to the Focus Adjustment Knob.
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ORIENTATIONIn the orientation phase, the project is
selected and those who are going to work theproblem are familiarized
Product selected is Focus Adjustment Knob for Slit
Lamp in microscope which is used to adjust the focus
of lens for magnification purpose.
The present specifications of this part and its
material used are costlier than the average industry
cost. Value of this product can be increased by
maintaining Its functions and reducing its cost or
keeping the cost constant and increasing the
functionality of the product.
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INFORMATIONThe team is made familiar with the present state of
the project. Collection of information on quantities,
vendors, drawings, materials, manufacturingmethods, and costs.
Obtain Product Information
Product specifications are:
i.Material
Aluminum Bronze Alloy ii. Diameter of base plate 30 mm
iii. Thickness of plate--3 mm
iv. Cost of the scrap isRs. 293/Kg
v. Pieces Produced annually
8000 vi. Process usedC.N.C. indexing milling
vii. Cycle time2.5 min
viii. Anodizing2/min
ix.Material cost65 gm
x. Total Present costRs29.99/piece
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SPECULATION
A technique that is useful for this type of analysisis brainstorming
During brainstorming these ideas were listed:-
i. Change design
ii. Change material
iii. Use plastic
iv. Make it lighter v. Change the production process
vi. Use nylon indexing unit
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ANALYSISTechnical and cost analysis of the alternative
proposed. During this phase the value study orders,
collects, solidifies, and ranks the ideas generated in
the creativity phase.
Functional Analysis of Present Functions
NAME BASIC
FUNCTION
VERB
BASIC
FUNCTION
NOUN
SECONDAR
Y
FUNCTION
VERB
SECONDAR
Y
FUNCTION
NOUN
Focus
Adjustment
Knob
Index Lens Fix Gear tooth
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For judging the ideas, the following designs werconsidered:
A. Function
B. Cost
C. Maintainability
D. Quality
E. Space
Each of these design criteria was given a weight age factor. This was carried out as
follows: each of the above criteria was compared with others, and depending on their
relative importance, three categories were formed, viz. major, medium, and minor. A score
of 3, 2 and 1 respectively was assigned to each of the levels.
The details are as given in the Table
WEIGHTAGE ANALYSIS
Weight age analysis Points
Major difference 3
Medium difference 2
Minor differences 1
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DEVELOPMENTIn the development phase, final recommendations
are developed from the alternatives selected during
the analysis phase.PAIRED COMPARISON:
B C D E SCORE
A B2 A2 A1 A3 6
B B B2 B1 B3 8
C C D2 C2 2
D D D3 5
E E 0
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From the above paired comparison we get the following result:
Symbol ATTRIBUTES Score
A Function 6
B Cost 8
C Maintainability 2
D Quality 5
E Space 0=1(Assume
The above ideas were discussed and the best
feasible ideas were separated which were:-
a= Change the material to steel
b=Use Nylon unit
c= Use existing material
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FEASIBILITY RANKING
A B C D E Score Rank
Ideas 6 8 2 5 1
a *1=6 *2=16 *1=2 *1=5 *3=3 32 2
b *3=18 *2=16 *2=4 *2=10 *1=1 49 1
c *1=6 *1=8 *2=4 *1=5 *2=2 25 3
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Cost Analysis:
COST EVALUATION
Item Material
cost Rs.
Machining
cost Rs
Anodizing
cost Rs.
Total
cost/Pc (Rs)
Focus
AdjustmentKnob
19.4 7.30 3.65 29.99
Nylon
index unit
11.6 6.80 _ 18.40
PartEliminated
_ _ _ _
Difference 7.8 0.5 3.65 11.59
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PRESENTATION
The presentation phase is actually presenting the
best alternative (or alternatives) to those who have
the authority to implement the proposed solutions
that are acceptable.
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IMPLEMENTATION AND
FOLLOW UPDuring the implementation and follow-up phase,management must assure that approved
recommendations are converted into actions.
ResultThe total savings after the implementation
of value engineering are given below:
Cost before analysis Rs.29.99/-
Total Cost of nylon knob Rs.18.40/-
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CONCLUSION
In the Case Study discussed abovewe have used the concept of Value
Engineering to analysis the focus
adjustment knob of microscope andwith the critical evaluation of it we
were able to increase the value of the
product by substituting anothermaterial in place of the one that is
currently in use.
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