Scooter
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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.
Table: 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 | 
|
Table: 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 | 
|
Table: 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 | 
|
Table: 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 | 
|
Table: 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 | 
|
Table: 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 |
Table: 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 |
Table: 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 | 2 | 0.5 | ||||
| 52 | Side Cap | Plastic | 2 | 0.5 | Molded | |||
| 53 | Cord | Rubber | 1 | Keep handle bars attached to frame | <0.1 | Purchased |
Table: 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 | Steel | 1 | 0.5 | ||||
| 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 | Molded | |||
| 60 | Bracket | Steel | 1 | <0.1 | ||||
| 61 | ???? | 0.1 |
Table: 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 | ||||
| 64 | Nut | Steel | 1 | 0.1 | Purchased | |||
| 65 | Torsional Spring | Steel | 1 | For Brake | 0.2 | Bent | ||
| 66 | Rod | Steel | 1 | 0.4 | Extruded | |||
| 67 | Edge Protector | Plastic | 1 | 0.1 | Molded |
