P09321 Detailed Design Review Mechanical Systems
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Transcript of P09321 Detailed Design Review Mechanical Systems
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P09321 DETAILED DESIGN REVIEWMECHANICAL SYSTEMS
Felix Feliz
Matthew Jones
Michael Boquard
Rebecca Jaiven
Justin Zagorski
Shuaib Mansoori
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OVERVIEW
1. Project Intro2. Dispenser Layout3. Dispensing4. Refilling5. Transport6. Maintenance7. Manufacturing
1. BOM2. Sheet Layout including all parts
8. Engineering Analysis9. Issues10. Appendix
1. 2-D2. Engineering Analysis 2
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INTRO – PROJECT DESCRIPTION
o Produce a robust prototype that dispenses medication on a time-bases to patients in a secure and accountable environment.
o Allow to dispense a week’s supply of up to 6 different pills for two patients accessed twice daily.
o Reliable and compact electro-mechanical dispensing system that can be controlled by a common laptop.
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INTRO – PROJECT DESCRIPTION
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MEDICINE DISPENSER - LAYOUT
Lid
Cylinder Holder/ Latch Assy
Support Rail
Ramp (Collapsible)
Empty Return Lid
Leg (Collapsible)
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DISPENSING PROCESS
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DISPENSING PROCESS
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DISPENSING PROCESS
11.5”
12”
13”
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REFILLING PROCESS
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REFILLING PROCESS
Flip Ramp to gain access to cylinder slots
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TRANSPORTATION
*note: dispenser is turned upside down
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TRANSPORTATION
Collapsed Dispenser Cross-section View
6”
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MAINTENANCE
For maintenance remove the 4 mounting screws located on the sides of the dispenser and lift the top.
There is a notch in the front of the housing at the center which can be used to help lift the lid. 13
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MANUFACTURING: MECHANICAL BOM
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MANUFACTURING: HOUSING SHEET METAL LAYOUT
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Empty Lid
Lid
HousingRamp
Ramp Link RH Leg
LH Leg
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MANUFACTURING: ASSEMBLY ORDER
Main housing Inner mounting rails for PCB Install PCB and nitinol latch assembly Mount Top Mount Empty return door Mount Extension/ Ramp Mount legs
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ENGINEERING ANALYSIS
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1
MN MX
X
Y
Z
92.938
18543614
53757136
889610657
1241814179
15939
FEB 8 200912:36:10
NODAL SOLUTION
STEP=1SUB =1TIME=1SEQV (AVG)DMX =.032406SMN =92.938SMX =15939
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ENGINEERING ANALYSIS1
MN
MX
X
YZ
.022941
155.046310.068
465.091620.114
775.137930.159
10851240
1395
JAN 29 200913:38:11
NODAL SOLUTION
STEP=1SUB =1TIME=1SEQV (AVG)DMX =.657E-05SMN =.022941SMX =1395
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ENGINEERING ANALYSIS
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MNMX
X
Y
Z
.124784
2.6985.27
7.84310.416
12.98915.562
18.13520.707
23.28
JAN 23 200915:18:18
NODAL SOLUTION
STEP=1SUB =1TIME=1SEQV (AVG)DMX =.849E-04SMN =.124784SMX =23.28
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ENGINEERING ANALYSIS
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1
MN
MX
X
Y
Z
.144684
7.17514.205
21.23528.265
35.29542.325
49.35556.386
63.416
FEB 8 200913:08:07
ELEMENT SOLUTION
STEP=1SUB =1TIME=1SEQV (NOAVG)DMX =.227E-04SMN =.144684SMX =63.416
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ISSUES
Ramp / Extension clearance Outside leg hinges 180 max Empty return lock Cylinder movement while upside down Empty return clearance Mounting location for sensors Mounting locations for ball & spring latches Edge deflection on 3’ drop Edge guards only protect the main housing
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APPENDIX
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Force Calculations Total Weight= Aluminum+Pills+Cylinders+Nitinol
+PCB
Aluminum =85.9 in3 = 8.41lb
Pills= .5g*10*33=165g = .363lb
Cylinder=10g *33 = .727lb
Nitinol =15g *33 = 1.09lb
PCB= .5kg *2 = 2.2lb
Total Weight =12.79 lb +Fasteners
Pressure on rails Pills+Cylinder+Nitinol+pcb
Force on legs
Force on corner drop Without rubber edge
guards
With rubber edge guards
Pressure on PCB