Windshield wiper assembly 2
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== DFMA == | == DFMA == |
Revision as of 19:41, 30 January 2011
Contents |
Report 1 - Product Analysis: Competitor Study
Executive Summary
Major Post-Production Stakeholders
Product Usability Study
Assembly
Product Operation
Bill of Materials
Part Number | Sub-Assembly | Part Name | Quantity | Weight (in g) | Function | Manufacturing Process | Material | Image |
---|---|---|---|---|---|---|---|---|
Base Structure |
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1 | Driver Side Wiper Casing | 1 | 111 | Protect Arm 3 (driver side) wiper mount linkage | Cast | Aluminum |
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2 | Passenger Side Wiper Casing | 1 | 212 | Protect Arm 3 (passenger side) wiper mount linkage | Cast | Aluminum | ||
3 | U-Shaped Connection Bar | 1 | 259 | Connect driver and passenger side wiper mount casings | Stamping | Steel | ||
Vibration Mount (large) | ||||||||
4 | Metal Grommet Insert (large) | 2 | Stabilizes vibration mount by holding onto chassis | Extended and expanded | Steel | |||
5 | Rubber Mount (large) | 2 | Vibration dampening | Molding | Rubber | |||
Vibration Mount (small) |
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6 | Metal Grommet Insert (small) | 1 | Stabilizes vibration mount by holding onto chassis | Extended and expanded | Steel |
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7 | Rubber Mount (small) | 1 | Vibration dampening | Molding | Rubber |
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Arm 1 |
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8 | Arm 1 Linkage (w/ plastic ball-in-socket joint) | 1 | 53 | Transfers drivetrain's rotational motion 90 degrees to linkage mechanism's plane | Steel tube crushed and welded. Hole drilled, ball-in-socket joint stamped in. | Steel |
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9 | Lock Washer | 1 | 2 | Distribute nut pressure | Steel |
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10 | Nut | 1 | 3 | Attach Arm 1 to drivetrain | Tapping | Steel |
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Arm 2 | ||||||||
11 | Arm 2 Linkage (w/ plastic ball-in-socket joint) | 1 | 149 | Transfer motion | Steel tube crushed and welded. Hole drilled, ball-in-socket joint stamped in. | Steel |
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Arm 3 |
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12 | Arm 3 linkage (w/ plastic ball-in-socket-joint) | 2 | Transfer motion | Steel | ||||
13 | Wiper Mount Pin | 2 | Transfer motion | Steel |
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14 | Plastic Cover | 2 | 2 | Prevent fluid from seeping into linkage area | Injection Mold | Plastic |
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15 | Screw-On Cap | 2 | 11 | Protect Wiper Mount Pin | Cast and Threaded Die | Steel |
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Arm 4 |
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16 | Arm 4 linkage [Length: 20.5" (52 cm) | 1 | 177 | Transfer motion |
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Other |
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17 | Top Washer | 1 | 1 | Steel |
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Gear Casing |
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18 | Gear Casing Cover Screws | 4 | <1 | Attach cover to casing | Die | Steel |
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19 | Drivetrain Mounting Bolts | 3 | 5 | Mount drivetrain to base | Die | Steel | ||
Motor |
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20 | Motor Mounting Bolts (w/ Lock Washer) | 4 | 5 | Mount motor to base | Die | Steel |
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21 | Motor Mounting Nuts | 4 | 3 | Mount motor to base | Tapping | Steel |
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22 | Motor | 1 | Convert electric current via EMF to rotation of a linear worm gear | Standard purchased part |
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Windshield Wiper |
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23 | Wiper | 2 | Rotate about pin and sweep across windshield | Plastic |
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24 | Blade | 2 | Remove water or other debris from windshield | Rubber |