air bearing system & layout reviewedge.rit.edu/content/p13458/public/design no 2 air... ·...
TRANSCRIPT
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P13458 RIT Senior Design Team
March 22, 2013
9AM-11AM
Dresser- Rand, Painted Post
http://edge.rit.edu/edge/P13458/public/Home
Air Bearing System & Layout Review
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Agenda
Desired Outcome of Review
Systems Design using Air Bearings
Fixed System
Free System
Air Skid Research
DECISION for design direction
Layout Review
Review of Weighting Results
DECISION for design direction
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Desired Outcome Decisions for the air bearing system
Pursue chosen design as the main mechanical design component for
the remainder of MSD II
Layout decision
Finalize high-level design and dive into detailed design based on
design aspects chosen to be pursued
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Time Line
STOP
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Customer Needs Review
Relaxed
From beginning of project (December 2012):
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Free Slave Frame System
Pros Cons
Does not require permanent
station fixtures
Stays with compressor through
entire assembly
Set at working height of 18”
Can be bolted to floor for
testing
Requires level movement pathway
More complex frame design
Requires bolting into floor or substrate
Must be removed for shipping
2 Frame Models necessary (MOS/HOS and HOSS)
Compressor frames must be pre-painted
Ergonomic issues regarding beam width
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Step 1: Compressor frame is loaded
onto free slave frame system
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Step 2: Air pallet is slid into the fixture
using integrated free rolling casters
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Step 3: Air pallet inflates and allows
movement to next station
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Step 4: Assembly moves to next station
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Fixed Slave Frame System
Pros Cons
Eliminates the need to level a pathway down the length of the line
Reduces the slave frame(s) down to single horizontal beam(s)
Posts will be embedded level and flat in the floor to eliminate need for leveling
Fewer air lines under unit
Beams can be anchored to test bed for test- do not need to remove from frame
Requires fixed extrusions in the
floor
Can now only set the
compressor down at designated
stations
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Step 1: Horizontal beams are placed
on the loading station
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Step 2: Compressor frame loaded is
onto and fixed to horizontal beams
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Step 3: Air pallet is slid into the fixture
using integrated free rolling casters
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Step 4: Inflation of the air pallet lifts
the horizontal beams and compressor
frame free of the fixture, allowing
movement to the next station.
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Air Platform Sizing
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Air Platform Sizing
The Movable Air Platform will be a minimum of 34” wide
Actual available dimensions are pending, possibly larger
Length of Air Platform is dependent upon unit to be moved
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Layout Design 4 layout designs The team created 2 straight line and 2 U-shaped process layout designs. Several detailed factors and
rankings were given to help enhance design selections.
Feedback Factors and ranking weights
Operator feedback
People flow
Parts flow
Inventory Capacity: 2 days vs. 7 days
Floor modeling of layout
Ability to narrow down areas of major concern and improvements
Straight Line vs. U-shaped process design
Compare/contrast between layout designs
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Layout Factors Ranking
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Summary Table of Results
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Layout A
0
5
10
15
20
25
Flexibility
Inve
ntor
y ac
cess
Space
Utiliza
tion
Ease
of m
ovem
ent/O
per..
.
Ret
urna
bility
Mov
emen
t Tim
e
Mai
nten
ance
Acc
ess
Pass by
/Pas
s th
roug
h
Futur
e Exp
ansio
n
Factors
Ra
nk
ing
s
Points
Summary
Factors Layouts
a b c d
Flexibility 5 15 20 10
Inventory access 3 10 15 20
Space Utilization 3 10 15 20
Ease of movement/Operator 20 15 10 5
Returnability 3 10 20 15
Movement Time 1 10 15 20
Maintenance Access 12 15 10 5
Pass by/Pass through 6 10 10 5
Future Expansion 4 15 5 10
Total points 57 110 120 110
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Summary
Factors Layouts
a b c d
Flexibility 5 15 20 10
Inventory access 3 10 15 20
Space Utilization 3 10 15 20
Ease of movement/Operator 20 15 10 5
Returnability 3 10 20 15
Movement Time 1 10 15 20
Maintenance Access 12 15 10 5
Pass by/Pass through 6 10 10 5
Future Expansion 4 15 5 10
Total points 57 110 120 110
Layout B
0
5
10
15
20
25Fl
exib
ility
Inve
ntor
y ac
cess
Spa
ce U
tilizat
ion
Eas
e of
mov
emen
...Ret
urna
bility
Mov
emen
t Tim
e
Maint
enan
ce A
cces
s
Pas
s by
/Pas
s th
roug
hFu
ture
Exp
ansion
Factors
Ran
kin
gs
Points
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Layout C
0
5
10
15
20
25
Flex
ibility
Inve
ntor
y ac
cess
Spa
ce U
tilizat
ion
Eas
e of
mov
emen
t...
Ret
urna
bility
Mov
emen
t Tim
e
Maint
enan
ce A
cces
s
Pas
s by
/Pas
s th
roug
hFu
ture
Exp
ansion
Factors
Ran
kin
gs
Points
Summary
Factors Layouts
a b c d
Flexibility 5 15 20 10
Inventory access 3 10 15 20
Space Utilization 3 10 15 20
Ease of movement/Operator 20 15 10 5
Returnability 3 10 20 15
Movement Time 1 10 15 20
Maintenance Access 12 15 10 5
Pass by/Pass through 6 10 10 5
Future Expansion 4 15 5 10
Total points 57 110 120 110
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Summary
Factors Layouts
a b c d
Flexibility 5 15 20 10
Inventory access 3 10 15 20
Space Utilization 3 10 15 20
Ease of movement/Operator 20 15 10 5
Returnability 3 10 20 15
Movement Time 1 10 15 20
Maintenance Access 12 15 10 5
Pass by/Pass through 6 10 10 5
Future Expansion 4 15 5 10
Total points 57 110 120 110
Layout D
0
5
10
15
20
25
Flexibility
Inve
ntory
acc
ess
Space
Utilizat
ion
Ease
of mov
emen
t...
Ret
urnab
ility
Mov
emen
t Tim
e
Maint
enanc
e Acc
ess
Pass
by/P
ass
thro
ugh
Future
Exp
ansio
n
Factors
Ran
kin
gs
Points