From DDL Wiki
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| In order to make the BOM more comprehensible, it is split up into separate subassembly BOMs. Repeating components share the same part number across subassemblies. | | In order to make the BOM more comprehensible, it is split up into separate subassembly BOMs. Repeating components share the same part number across subassemblies. |
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- | ==Front Wheel Subassembly== | + | ==Front Wheel Subassembly [[Image:scooter_40.jpg|200px]]== |
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- | ==Shock and Wheel Attachment Subassembly== | + | ==Shock and Wheel Attachment Subassembly [[Image:scooter_34.jpg|200px]]== |
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- | ==Lower Tube Subassembly== | + | ==Lower Tube Subassembly [[Image:scooter_35.jpg|200px]]== |
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- | ==Collapsing Mechanism Subassembly== | + | ==Collapsing Mechanism Subassembly [[Image:scooter_36.jpg|200px]]== |
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- | ==Rear Wheel Subassembly== | + | ==Rear Wheel Subassembly [[Image:scooter_37.jpg|200px]]== |
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- | ==Top Tube Subassembly== | + | ==Top Tube Subassembly [[Image:scooter_38.jpg|200px]]== |
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- | ==Handle Bar Subassembly== | + | ==Handle Bar Subassembly [[Image:scooter_38.jpg|200px]]== |
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- | ==Top Tube Adjustment Subassembly== | + | ==Top Tube Adjustment Subassembly [[Image:scooter_38.jpg|200px]]== |
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- | ==Frame and Brake Subassembly== | + | ==Frame and Brake Subassembly [[Image:scooter_39.jpg|200px]]== |
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Revision as of 16:48, 7 February 2012
Group Information
24-441 Spring 2012, Group 10
Claire Castleman
Elisha Clayton
Michael Serebrennikov
Mathew Swisher
Vedant Saraf
Product: Razor Scooter
Executive Summary
Major Stakeholders
Manufacturing
Shipping
Retailers
Customers
Potential Consumers
Product Details and Observations
Product Operation and Preliminary User Study
Potential Innovations
Bill of Materials
In order to make the BOM more comprehensible, it is split up into separate subassembly BOMs. Repeating components share the same part number across subassemblies.
Front Wheel Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
01
| Washer
| Steel
| 1
|
| <0.1
|
| Stamped
|
|
02
| Screw
| Steel
| 1
|
| 0.2
|
| Purchased
|
|
03
| Pin Nut
| Steel
| 1
|
| 0.4
|
| Purchased
|
|
04
| Bearing
| Steel
| 2
|
| 0.4
|
| Purchased
|
|
05
| Bushing
| Steel
| 1
|
| 0.1
|
| Extruded
|
|
06
| Wheel
| Urethane and polypropylene
| 1
|
| 3.4
|
| Injection Molded
|
|
Shock and Wheel Attachment Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
07
| Washer
| Plastic
| 2
|
| <0.1
|
| Injection Molded
|
|
08
| Disk
| Aluminum
| 1
|
| 0.2
|
| Stamped
|
|
09
| Screw
| Steel
| 1
|
| 0.2
|
| Purchased
|
|
10
| Pin Nut
| Steel
| 1
|
| 0.6
|
| Purchased
|
|
11
| Washer
| Metal
| 1
|
| <0.1
|
| Stamped
|
|
12
| Shock
| Rubber
| 1
|
| 1.4
|
| Injection Molded
|
|
13
| Wheel Bracket
| Steel
| 1
|
| 4.4
|
| Stamped and Bent
|
|
14
| Suspension Bracket
| Plastic
| 1
|
| 0.2
|
| Injection Molded
|
|
Lower Tube Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
15
| Threaded Tube
| Chromium plated Steel
| 1
|
| 9.6
|
| Extruded and Welded to a piece that was Stamped and Bent
|
|
16
| Bearing
| Steel
| 2
|
| 0.2
|
| Purchased
|
|
17
| Bearing Track
| Steel
| 1
|
| 1.2
| 4.5cm OD, 2.5cm ID
| Pressed and Machined
|
|
18
| Nut
| Steel
| 1
|
| 0.7
| 3.2cm OD, 2.6cm ID
| Machined
|
|
19
| Screw
| Steel
| 1
|
| 0.3
|
| Purchased
|
|
20
| Collar
| Aluminum
| 1
|
| 0.5
|
| Machined
|
|
Collapsing Mechanism Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
21
| Cover
| Plastic
| 2
| Decorative Cover
| 0.4
|
| Injection Molded
|
|
22
| Screw
| Steel
| 2
|
| <0.1
|
| Purchased
|
|
23
| Containment Tube
| Steel
| 1
|
| 10.3
|
| Extruded and Machined piece Welded to an Extruded and Drawn piece
|
|
24
| Screw
| Steel
| 1
|
| 0.1
| M3x8
| Purchased
|
|
25
| C-Clips
|
| 2
|
| <0.1
|
| Stamped
|
|
26
| Pin
| Steel
| 1
| Locks on Frame
| 0.6
|
| Purchased
|
|
27
| Spring Tensioner
|
| 1
|
| 0.8
|
| Extruded and Machined
|
|
28
| Edge Protector
| Plastic
| 1
|
| 0.1
|
| Injection Molded
|
|
29
| Guide
| Plastic
| 2
| Keeps Spring Tensioner from rotating
| <0.1
|
| Injection Molded
|
|
30
| Spring
| Steel
| 1
|
| 0.1
|
| Bent
|
|
31
| Lever
| Steel
| 1
| To initiate collapsing
| 0.2
|
| Extruded and Machined
|
|
32
| Torsional Spring
| Steel
| 1
| To return lever to lock position
| <0.1
|
| Bent
|
|
33
| Tension Adjuster
|
| 1
|
| 0.3
|
| Purchased
|
|
34
| Pin
| Steel
| 1
|
| 0.7
|
| Purchased
|
|
Front Deck Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
35
| Edge Protector
| Plastic
| 1
|
| 0.2
|
| Injection Molded
|
|
36
| Screw
| Steel
| 4
|
| 0.1
|
| Purchased
|
|
37
| Screw
| Steel
| 4
|
| 0.1
|
| Purchased
|
|
38
| Locking Bracket
| Steel
| 1
|
| 5.9
|
| Machined and Bent
|
|
39
| Underside Plate
| Steel
| 1
|
| 2.2
|
| Machined and Bent
|
|
Rear Wheel Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
04
| Bearing
| Steel
| 2
|
| 0.4
|
| Purchased
|
|
05
| Bushing
| Steel
| 1
|
| 0.1
|
| Extruded
|
|
06
| Wheel
| Urethane and polypropylene
| 1
|
| 3.4
|
| Injection Molded
|
|
40
| Wheel Bracket
| Plastic
| 2
| To attach wheel
| 0.05
|
| Injection Molded
|
|
41
| Pin Nut
| Steel
| 1
|
| 0.5
|
| Purchased
|
|
42
| Screw
| Steel
| 1
|
| 0.2
|
| Purchased
|
|
43
| Wheelie Bar Bracket
| Steel
| 2
|
| 1.0
|
| Stamped
|
|
44
| Screw
| Steel
| 2
|
| 0.1
|
| Purchased
|
|
45
| Wheelie Bar
| Aluminum
| 1
|
| 0.4
|
| Extruded
|
|
Top Tube Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
46
| Bottom Tube
| Steel
| 1
|
| 5.1
|
| Extruded and Machined
|
|
47
| Top Tube
| Steel
| 1
|
| 4.8
|
| Extruded, Welded, Machined
|
|
Handle Bar Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
48
| Tube
| Steel
| 2
|
| 1.2
|
| Extuded
|
|
49
| Button Spring
| Steel
| 2
|
| <0.1
|
| Bent
|
|
50
| Button
| Steel
| 2
|
| <0.1
|
|
|
|
51
| Grip
| Foam Rubber
| 2
|
| 0.5
|
| Expansion Molding
|
|
52
| Side Cap
| Plastic
| 2
|
| 0.5
|
| Injection Molded
|
|
53
| Cord
| Elastic
| 1
| Keep handle bars attached to frame
| <0.1
|
| Purchased
|
|
Top Tube Adjustment Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
54
| Lever
| Steel
| 1
|
| 0.4
|
|
|
|
55
| Collar
| Aluminum
| 1
|
| 0.5
|
| Machined
|
|
56
| Screw
| Steel
| 1
|
| 0.4
|
| Purchased
|
|
57
| Screw
| Steel
| 1
|
| <0.1
| M3x5
| Purchased
|
|
58
| Spring
| Steel
| 1
|
| <0.1
|
| Bent
|
|
59
| Bracket
| Plastic
| 1
|
| <0.1
|
| Injection Molded
|
|
60
| Bracket
| Steel
| 1
|
| <0.1
|
|
|
|
61
| ????
|
|
|
| 0.1
|
|
|
|
Frame and Brake Subassembly
Part No.
| Part Name
| Material
| Quantity
| Function
| Weight (oz)
| Dimensions
| Manufacturing Process
| Picture
|
62
| Deck
| Aluminum
| 1
|
| 13.5
|
| Extruded
|
|
63
| Brake
| Steel
| 1
|
| 3.3
|
| Bent
|
|
64
| Nut
| Steel
| 1
|
| 0.1
|
| Purchased
|
|
65
| Torsional Spring
| Steel
| 1
| For Brake
| 0.2
|
| Bent
|
|
66
| Rod
| Steel
| 1
|
| 0.4
|
| Purchased
|
|
67
| Edge Protector
| Plastic
| 1
|
| 0.1
|
| Injection Molded
|
|
Exploded Subassembly views
Shock and Wheel Attachment Subassembly
Lower Tube Subassembly
Collapsing Mechanism Subassembly
Rear Wheel Subassembly
Top Tube Subassembly and Handlebars Subassembly
Frame and Brake Subassembly
Design for Manufacturing Analysis
Failure Mode and Effect Analysis
Design for Environment
External links