team hazardhawk team hazardhawk 2008. the hazardhawk team hazardhawk 2008
Post on 21-Dec-2015
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Team HazardHawk
Team HazardHawk 2008
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The HazardHawk
Team HazardHawk 2008
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Last Week
CNCBody - CompleteMounts/Braces - CompleteTurret - Incomplete
Complete Prototype Performance RequirementsComplete
Finalize CAD of Arm MechanismComplete
Team HazardHawk 2008
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Concept Status Arm Mechanism
Fully Extended Dimensions:
○ 30” tall○ 30” out
Material○ Carbon Fiber○ PVC○ Epoxy
Weight○ 5.67 lb
3 degrees of freedom
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Analysis and Design General calculation of static and dynamic
forces imposed on the arm Finite Element analysis Optimization
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Data: length determination
Normalzed Yeild Stress vs. Member 2 Length - w = 5 rad/sec
0.0
2.0
4.0
6.0
8.0
10.0
12.0
18 20 22 24 26 28 30 32 34 36 38 40 42
Member 2 Length [in]
No
rmal
ized
Yei
ld S
tres
s (s
_yei
ld /
s_m
ax)
Carbon Fiber
Plywood
HDPE
PVC
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Data: material determination
Displacement versus length for Member 2
0
1
2
3
4
5
6
7
8
9
10
11
12
18 20 22 24 26 28 30 32 34 36 38 40 42
Length [in]
Dis
pla
cem
en
t [i
n]
Carbon Fiber
Plywood
HDPE
PVC
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Parts Motor Selection
12V DC Bi-Polar Stepper (GL-S6600) x 2
○ 1.9 lb-in torque○ 57 rpm○ 20 kW
Team HazardHawk 2008
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Gear Selection Material:
composite plastic Number of Teeth:
15 Pressure angle:
20o
Pitch Diameter: 0.4844”
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Action Items Assemble the vehicle body
This will be completed on 3/18
Order parts for armThis will be completed on 3/18 with desired delivery
before 3/25
Gather electronics This will be completed by 3/20
Team HazardHawk 2008
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Team HazardHawk 2008