MDP Presentation_Medicine Cabinet

8/9/2019 MDP Presentation_Medicine Cabinet

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MECHANICAL DESIGNMECHANICAL DESIGNPROCESSPROCESS

(MEMB 322)(MEMB 322)

DESIGNING A MEDICINE CABINET FORMALAYSIAN HOMES

GROUP NAME: DECO-DECO

SECTION: 02A


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GROUP MEMBERS:

1 . Mohamad Nor Riduan Sulong [ME 080560]

2. Mohamad Hidayat Bin Zainul Masri [ME 080124]

3. Mohd Hafiz Bin Muhaiyadin [ME 079689]

4. Ali Driver [ME 079758]


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Objectives

To design a portable and modernize medicine cabinet;

To improve the functionalities of the cabinet such as timer to

remind the medicine time, lamps, ventilation system, easilyremovable shelve, alarm, etc, and;

To built a medicine cabinet with higher degree of estheticallyvalues.

Background

The project generally focuses on the medicine cabinet forMalaysian houses especially for those people who frequentlyneed to take medicine.

With enhance and modernize functionalities, its can solvesmost of user problems.

INTRODUCTION


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PROBLEM STATEMENTTo design a medicine cabinet that have various of

advantages for instance that they can be:

Assembled

Disassembled

Moved

Stored

Attractive

Affordable

Cheap


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MILESTONESGantt Chart December January February Mac

Task \ Week 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3

1. Group formation

2. Planning/brainstorming

3. Survey planning

4. Surveying Process

5. Survey Analysis

6. Patents, market research

7. Benchmarking

8. House of quality

9. Concept generation

10. Concept evaluation

11. Engineering Analysis

12. Engineering Drawing

13. Bill of Materials

14. Build Prototype

15. Final report

16. Project Presentation


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Problem

Definition

Market

Survey

Customer

Requirement

House of

Quality (HOQ)

Concept

Generation

Concept

Evaluation

Product

Design

METHODOLOGY


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SURVEY RESULTSFrom survey result, we justify the customersrequirement:

1. Good Appearance2. Large Capacity

3. Low Price4. Detachable5. Portable6. Protection

7. Good Reliability8. Quality of Material9. Low Maintenance10.Enhance Functionality


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QUALITY

Customer

Requirements

Benchmark

Engineering Specifications

Engineering Targets

Identify Relationships


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BENCHMARKS4 COMPETITORS:

KEUCHO

B-NUTONE

BLOMUSCONTEMPRA


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BENCHMARKS

COMPARISONProduct Dimensions(mm)

Weight

(kg)

Material Price

(RM)

Security Other

Keucho 1106 x 700 x 1

77

20.87 Steel and

Glass

399.00 None Many

Compartment

B-Nutone 381 x 130 x

660

16.78 Aluminium

and Glass

159.00 Magnetic

Closure

Light and

Cheap

Blomus 596.9 x 127 x

298.5

15.88 Stainless

Steel

186.02 Magnetic

Closure

and Lock

Better

Security

Contempr

a

609.6 x 101.6 x

488.9

21.77 Steel 176.00 None Sliding

Door


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BENCHMARKS

KEUCHO

RM 399.00

BROAN-NUTONE

RM 159.00


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BENCHMARKS

BLOMUS

RM 186.02

CONTEMPRA

RM 176.00


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CONCEPTGENERATION

S


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1

SKETCH 1

CONCEPT GENERATION


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CONCEPT GENERATION2

SKETCH 2


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CONCEPTGENERATION 3

SKETCH 3


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CONCEPTEVALUATION


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DECISION MATRIX


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Medicine Cabinet

Door

Shelves

Door Hinge

Drawer


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STRESS

ANALYSISShear Force Diagram

216.6

0

-216.6-250

-200

-150

-100

-50

0

50

100

150

200

250

0 50 100 150 200 250 300 350 400

x (mm)

V(N

Bending Moment Diagram

0

20.03

00

5

10

15

20

25

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4

x (m)

M(

Nm

Bottom part:

Moment Calculation

RA

= RB= 15.7 N

M1 15.7N (400 mm) = 0

M1= 6280 N/mm

Maximum normal stress

4

33

67.1706612

)8)(400(

12 mmmmmmbh

I ===

MPamm

mmmmN

I

Mcbending 47.1

)67.17066(

)4)(.6280(4max,

===

MPa

mmmm

N

A

Paxial

01.0

)8)(400(

39.31===


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STRESS

ANALYSIS

max_disp_mag: 1.942918e+00

max_disp_x: -4.664781e-02

max_disp_y: -1.942917e+00

max_disp_z: 1.555074e-02

max_prin_mag*: -9.905050e+00

max_stress_prin*: 6.435313e+00

max_stress_vm*: 7.263207e+00

max_stress_xx*: -7.610325e+00

max_stress_xy*: -3.691473e+00

max_stress_xx*: -7.610325e+00

max_stress_xy*: -3.691473e+00

max_stress_xz*: 7.569052e-01

max_stress_yy*: -3.959286e+00

max_stress_yz*: -9.109588e-01

max_stress_zz*: -4.427647e+00

min_stress_prin*: -9.905050e+0

strain_energy: 6.125276e+01


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COST

ESTIMATE


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PURCHASEDPARTSPurchasedEquipment

QuantityPrice

(RM)

Total Cost

(RM)

Timer 1 35.00 35.00

Wood 1.4 m2 22.00 29.50

Handle 4 2.00 8.00

Magnetic filed 1 7.00 7.00

screw 10 0.20 2.00Battery 1 3.00 3.00

Hinge 4 2.00 8.00

Drawer rail 4 2.00 8.00

TOTAL = RM 100.5


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LABORCOSTTask No of

Workers

Salary per

Month

(RM)

Total

(RM)

Cut the wood 8 1,200 9,600

Drilling holes 8 1,200 9,600

Assemble parts 8 1,200 9,600

Packing 1 1,000 1,000

Supervisor 1 1,500 1,500

Total RM

31,300


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TOTALCOST

Material Cost

Purchased Parts RM 100.50

Labor RM 31.30

Tooling cost RM 5

Other cost RM 3

Total Cost RM 139.80


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OVERALL COST AND

PROFIT ESTIMATIONDescription Cost (RM)

per unit

crate

Quantity Amount

(RM)

Total

(RM)

Material Cost

(Wood)

29.50 1000 29500.00

Purchased Parts 71.00 1000 71000.00

Labor Cost 39.30 1000 39300.00

Total Cost 139.8 1000 139800.0

0

Selling Price 174.75 1000 174750.0

0


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ACHIEVEMENTEngineering Specification Engineering Target Product Achievement

1. Mean time between maintenance Min: 3mthMax: 6mth

6 mth

2. Size of medicine cabinet 381x130x660mm 400x200x600mm= 0.384m3

3. Number of compartment 6 to 8 8

4.Total human needed to assemble 2 people 2 people

5. Factor of safety Min: 2 More than 2

6. No tools to adjust Min: 1

acceptable if < 3

2

7. Time needed to set up within 20-45min 30min

8. Overall product costs RM100-200 RM175

9. Coverage area/place needed around: 0.2m 0.348m


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PRODUCT CONCLUSIONCustomer Requirement Fulfill

Requirement(Yes/No)

Description/Comment

1. Good Appearance Yes Modern Design

2. Large Capacity Yes Maximum 8 bottles of medicines can be put in each compartments

3. Low Price Yes The selling price is RM175

4. Detachable Yes User Friendly

5. Protection Yes Magnetic Closure

7. Good Reliability Yes The Safety Factor is more than 2

8. Quality of Material Yes Wood

9. Low Maintenance Yes Easy to Clean


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RECOMMENDATIONS

The recommendations section will suggest improvements that can be

made to the design.

Enhance functionality - the costing for the production

- Promotions process needed

- Research

-Prototype assembled of the actual product might be obtained to show

the wellness of this product satisfied all the specifications setup

during the beginning process.

-Modifications can be progress before finalized the final design.


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~THE END~

MDP Presentation_Medicine Cabinet

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