1. Senior Design I – Concept Review P07008 – ArcWorks Wash Bottle Assembly
Team Members: Sagar Sheth
Leonardo Silva
Stephen Bennice
Gabriela Jaramillo
Eric Van Hemel
Robert Veiders
Faculty Guides: Dr. DeBartolo
Dr. Marshall

2. Project Objective’s
Design automated process incorporating all three bottle sizes
Reduce human contact with bottle during assembly process
Minimize rejected assemblies
Apply lean concepts to wash bottle production line

3. Key Customer Needs Can accommodate different size bottles
Should be able to produce large quantities of assemblies
Should require minimal force to complete assembly
Should create good assemblies
The unit should not create additional disabilities for the operators

4. Key Engineering Metrics
Demonstrate that 6 cases of different size bottles can be assembled with average cycle time not exceeding 10 seconds
No intervention between the operator and the machine while actual assembly
Demonstrate the force required to complete assembly is less than the minimal force required to complete assembly manually for a bottle
Produce good assemblies
Demonstrate assembly of spout to bottle for at least 2 cases per size

5. Basic Assembly
Components
Completed Assembly

6. Current Process
Assembly Process

7. Solidworks - Bottle

8. Material Properties Used
LDPE
Tensile Modulus 35 Ksi
Poisson’s Ratio 0.38
Density lb/in³
Yield Tensile Strength 1120 psi

9. Boundary Conditions for current method of assembly

10. Deformation for current method of assembly

11. Max Principal Stress for current method of assembly
Max psi

12. Boundary Conditions for Proposed Assembly Method

13. Deformation for Proposed Assembly Method

14. Max Principal Stress for Proposed Assembly Method
Max psi

15. Finding Maximum Force that can be applied to bottle
Same boundary conditions as for Proposed Assembly Method
Taking Yield Tensile strength for LDPE as 1120 psi
Maximum force found is 175 lb

16. Concept Generation Concepts created by each team member
Concepts critiqued
Concepts revised

17. Concept 1

18. Concept 2

19. Concept 3

20. Concept 4

21. Concept 5

22. Concept 6

23. Concept Selection
Done as a group
Pugh`s Method

24. Concept Screening (Pugh’s Method)
Concepts
Selection Criteria
1 Rob
2 Eric
3 Sagar
4 Steve
5 (Reference) Gabriela
6 Leo
Ease of use - +
Speed of assembly
Ease of manufacturing
Operator Safety
Robustness
Product Support
Durability
Ease of maintenance
Cost
Ergonomics
Sum +'s 2 5 3 4
Sum 0's 10
Sum -'s
Net Score -2 -1
Rank 6 1
Continue? No
Combine

25. Concept 2-3

26. Concept 5-6

27. Concept Scoring (Pugh’s Method)
Concept
2-3
5-6
(Reference)
Selection Criteria
Weight
Rating
Weighted Score
Ease of use
20% 2
0.4 3
0.6
Speed of assembly
15%
0.45
Ease of manufacturing 5%
0.1
0.15
Operator Safety
10%
0.3
0.2
Robustness
Product Support 4
Durability
Ease of maintenance
Cost
Ergonomics
Total Score
2.75
2.85
Rank 1
Continue? No
Develop

28. What’s Next? Develop detailed model in Solidworks Begin lean
Challenges: Cycle time < 10 seconds
Visual Instructions
Budget

29. Questions??