Ski rack bill of materials

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== Bill of Materials ==
== Bill of Materials ==
 +
 +
[[Image:SkiRack_assembly.jpg]]
Line 8: Line 10:
! Quantity
! Quantity
! Description
! Description
-
! Weight
+
! Material
 +
! Manufacturing process
 +
! Weight [grams]
! Image
! Image
|-
|-
-
| 1. MOUNTING BRACKET
+
| 1. Mounting Bracket
|  
|  
-
| X4
+
| 4
-
| MOUNTS CARRIER TO ROOF RACK
+
| Mounts carrier to roof rack.
 +
|
 +
|
|  
|  
-
| [[Image:MountingBracket.JPG|300px]]
+
| [[Image:MountingBracket.JPG|100px]]
|-  
|-  
|  
|  
-
| 1A. BASE SCREW
+
| 1A. Base Screw
-
| X1
+
| 1
-
| ALUMINUM
+
| Connects bracket to rack.
-
| 6 G
+
| Steel
-
| [[Image:SkiRack_longScrew_.jpg|300px]]
+
| Cold Heading and Thread Rolling
 +
| 6  
 +
| [[Image:SkiRack_longScrew_.jpg|100px]]
|-  
|-  
|  
|  
-
| 1B. SLIDER TOP
+
| 1B. Slider Top
-
| X1
+
| 1
-
| MOLDED BLACK PLASTIC
+
| Connects the bails to the lower horizontal cross bar.
-
| 36 G
+
| Molded Plastic
-
| [[Image:SkiRack_sliderTop_.jpg|300px]]
+
| Injection Molding
 +
| 36  
 +
| [[Image:SkiRack_sliderTop_.jpg|100px]]
|-  
|-  
|  
|  
-
| 1C. SHORT BAIL SCREW
+
| 1C. Short Bail Screw
-
| X2
+
| 2
-
| ALUMINUM
+
| Holds the bails together
-
| 6 G
+
| Steel
-
| [[Image:SkiRack_shortScrew.JPG|300px]]
+
| Cold Heading and Thread Rolling
 +
| 6  
 +
| [[Image:SkiRack_shortScrew.JPG|100px]]
|-  
|-  
|  
|  
-
| 1D. LONG BAIL SCREW
+
| 1D. Long Bail Screw
-
| X2
+
| 2
-
| ALUMINUM
+
| Holds the bails together
-
| 9 G
+
| Steel
-
| [[Image:SkiRack_longScrew_.jpg|300px]]
+
| Cold Heading and Thread Rolling
 +
| 9  
 +
| [[Image:SkiRack_longScrew_.jpg|100px]]
|-  
|-  
|  
|  
-
| 1E. UPPER BAIL
+
| 1E. Upper Bail
-
| X1
+
| 1
-
| MOLDED PLASTIC
+
| Clamps over roof rack cross bar.
-
| 45 G
+
| Molded Plastic
-
| [[Image:SkiRack_upperBail_.jpg|300px]]
+
| Injection Molding
 +
| 45
 +
| [[Image:SkiRack_upperBail_.jpg|100px]]
|-  
|-  
|  
|  
-
| 1F. SQUARE NUT
+
| 1F. Square Nut
-
| X1
+
| 1
-
| BRASS
+
| Provides purchase for the base screw withing the slider top.
-
| 5 G
+
| Brass
-
|  
+
| Forging and tapping
 +
| 5
 +
| [[Image:SkiRack_squareNut.jpg|100px]]
|-  
|-  
|  
|  
-
| 1G. PAD
+
| 1G. Rubber Pad
-
| X1
+
| 1
-
| MOLDED RUBBER
+
| Provides grip to the bails.
-
| 13 G
+
| Rubber
-
| [[Image:SkiRack_rubberPad_.jpg|300px]]
+
| Casting
 +
| 13  
 +
| [[Image:SkiRack_rubberPad_.jpg|100px]]
|-  
|-  
|  
|  
-
| 1H. LOWER BAIL
+
| 1H. Lower Bail
-
| X1
+
| 1
-
| MOLDED PLASTIC
+
| Clamps under roof rack cross bar.
-
| 49 G
+
| Molded Plastic
-
| [[Image:LowerBail2.JPG|300px]]
+
| Injection Molding
 +
| 49
 +
| [[Image:LowerBail2.JPG|100px]]
|-  
|-  
|  
|  
-
| 1I. HEX NUT
+
| 1I. Hex Nut
-
| X1
+
| 1
-
| BRASS
+
| Provides purchase for the bail screws within the lower bail.
-
| 6 G
+
| Brass
-
| [[Image:HexNut.JPG|300px]]
+
| Forging and tapping
-
|-  
+
| 5
-
|  
+
| [[Image:HexNut.JPG|100px]]
-
|
+
|-
-
|
+
| 2. Hex Key
|  
|  
 +
| 2
 +
| Attaches the ski lift to the ski rack.
 +
|
 +
|
|  
|  
|  
|  
|-  
|-  
-
| 2. HEX KEY
 
-
|
 
-
| X2
 
-
|
 
-
|
 
|  
|  
 +
| 2A. Hex Key
 +
| 1
 +
| Holds the ski lift in place.
 +
| Molded Plastic
 +
| Injection Molding
 +
| 6
 +
| [[Image:hexKey.JPG|100px]]
|-  
|-  
|  
|  
-
| 2A. HEX KEY
+
| 2B. Hex Nut
-
| X1
+
| 1
-
|  
+
| Provides purchase for the bold within the hex key.
-
| 6 G
+
| Brass
-
| [[Image:hexKey.JPG|300px]]
+
| Forging and tapping
 +
| 5
 +
| [[Image:HexNut.JPG|100px]]
|-  
|-  
|  
|  
-
| 2B. HEX NUT
+
| 2C. Bolt
-
| X1
+
| 1
-
|  
+
| Connects with the hex key through the ski lift to attached the ski lift
-
| 5 G
+
| Steel
-
| [[Image:HexNut.JPG|300px]]
+
| Cold Heading and Thread Rolling
 +
| 12
 +
| [[Image:HexKeyBolt.JPG|100px]]
|-  
|-  
 +
| 3. Ski Lift
|  
|  
-
| 2B. BOLT
+
| 2
-
| X1
+
-
|
+
-
| 12 G
+
-
| [[Image:HexKeyBolt.JPG|300px]]
+
-
|-
+
-
|
+
-
|
+
-
|
+
-
|
+
|  
|  
 +
|
 +
|
|  
|  
 +
| [[Image:SkiLiftAssembly_good.JPG|100px]]
|-  
|-  
-
| 3. SKI LIFT
 
|  
|  
-
| X2
+
| 3A. Ski Lift
-
|  
+
| 1
-
|  
+
| Raises up rack to provided additional clearance.
-
| [[Image:SkiLiftAssembly_good.JPG|300px]]
+
| Molded Plastic
 +
| Injection Molding
 +
| 25
 +
| [[Image:skiLift.JPG|100px]]
|-  
|-  
|  
|  
-
| 3A. SKI LIFT
+
| 3B. Hex Nut
-
| X1
+
| 1
-
|  
+
| Press fits into ski lift to provide secure purchase for mounting screws.
-
| 25 G
+
| Brass
-
| [[Image:skiLift.JPG|300px]]
+
| Forging and tapping
 +
| 5
 +
| [[Image:HexNut.JPG|100px]]
|-  
|-  
|  
|  
-
| 3B. HEX NUT
+
| 3C. Button Head Screw
-
| X1
+
| 1
-
|  
+
| Holds ski lift together.
-
| 5 G
+
| Steel
-
| [[Image:HexNut.JPG|300px]]
+
| Cold Heading and Thread Rolling
 +
| 11
 +
| [[Image:HexKeyBolt.JPG|100px]]
|-  
|-  
 +
| 4. Lock Assembly
|  
|  
-
| 3C. BUTTON HEAD SCREW
+
| 2
-
| X1
+
-
|
+
-
| 11 G
+
-
| [[Image:HexKeyBolt.JPG|300px]]
+
-
|-
+
-
|
+
-
|
+
-
|
+
|  
|  
|  
|  
 +
|
 +
|
|  
|  
|-  
|-  
-
| 4. LOCK ASSEMBLY
 
-
|
 
-
| X2
 
-
|
 
|  
|  
 +
| 4A. Lock Housing
 +
| 1
 +
| Holds lock in place within release lever.
 +
| Steel
 +
| Casting
|  
|  
 +
| [[Image:SkiRack_lockHousing.jpg|100px]]
|-  
|-  
|  
|  
-
| 4A. LOCK BODY
+
| 4B. Lock
-
| X1
+
| 1
-
| STEEL
+
| Preassembled lock. 
-
| 10 G
+
| Steel
-
| [[Image:SkiRack_lock_.jpg|300px]]
+
| Unknown multi-part assembly process.
 +
| 10
 +
| [[Image:SkiRack_lock_.jpg|100px]]
|-  
|-  
|  
|  
-
| 4B. LOCK HOUSING
+
| 4C. Lock Cap
-
| X1
+
| 1
-
| BLACK PLASTIC
+
| Replaces optional lock
-
| 0 G
+
| Molded Plastic
-
|  
+
| Injection Molding
 +
| 0
 +
| [[Image:SkiRack_lockCap.jpg|100px]]
|-  
|-  
 +
| 5. Carrier Bottom
|  
|  
-
| 4C. LONG BARREL KEY
+
| 2
-
| X1
+
-
| ALUMINUM
+
-
| 5 G
+
|  
|  
-
|-
 
|  
|  
-
| 4D. TAPERED KEY
+
|
-
| X1
+
|
-
| ALUMINUM
+
-
| 5 G
+
|  
|  
|-  
|-  
|  
|  
 +
| 5A. Rivet
 +
| 3
 +
| Holds rack together
 +
| Aluminum
|  
|  
-
|  
+
| 0
-
|  
+
| [[Image:Rivet2.JPG|100px]]
-
|
+
-
|  
+
|-  
|-  
-
| 5. CARRIER BOTTOM
 
-
|
 
-
| X2
 
-
|
 
-
|
 
|  
|  
 +
| 5B. Hinge Spring
 +
| 1
 +
| Opens rack.
 +
| Brass
 +
| Coiling
 +
| 15
 +
| [[Image:SkiRack_hingeSpring_.jpg|100px]]
|-  
|-  
|  
|  
-
| 5A. RIVET
+
| 5C. Lower Compression Pad
-
| X3
+
| 1
-
| ALUMINUM
+
| Compresses to firmly hold skis in place
-
| 0 G
+
| Rubber
-
| [[Image:Rivet2.JPG|300px]]
+
| Extrusion
 +
| 137
 +
| [[Image:SkiRack_bottomRubber.jpg|100px]]
|-  
|-  
|  
|  
-
| 5B. SPRING
+
| 5D. Bottom Shell
-
| X1
+
| 1
-
| BRASS
+
| Holds bottom compression pad in place.  Mounts to mounting brackets.
-
| 15 G
+
| Steel
-
| [[Image:SkiRack_hingeSpring_.jpg|300px]]
+
| Extrusion
 +
| 198
 +
| [[Image:SkiRack_bottomSteelShell_.jpg|100px]]
|-  
|-  
|  
|  
-
| 5C. RUBBER PAD
+
| 5E. Latch (Bottom Half)
-
| X1
+
| 1
-
| RUBBER
+
| Provides something for upper half of latch to secure to.
-
| 137 G
+
| Molded Plastic
-
| [[Image:SkiRack_bottomRubber.jpg|300px]]
+
| Injection Molding
 +
| 20
 +
| [[Image:SkiRack_bottomLatch.jpg|100px]]
|-  
|-  
 +
| 6. Latch
|  
|  
-
| 5D. BOTTOM SHELL
+
| 2
-
| X1
+
-
| STEEL
+
-
| 198 G
+
-
| [[Image:SkiRack_bottomSteelShell_.jpg|300px]]
+
-
|-
+
-
|
+
-
| 5E. LATCH (BOTTOM HALF)
+
-
| X1
+
-
| MOLDED PLASTIC
+
-
| 20 G
+
-
| [[Image:SkiRack_bottomLatch.jpg|300px]]
+
-
|-
+
-
|
+
-
|
+
-
|
+
-
|
+
|  
|  
 +
|
 +
|
|  
|  
 +
| [[Image:SkiRack_latchAssembly.jpg|100px]]
|-  
|-  
-
| 6. LATCH
 
-
|
 
-
| X2
 
-
|
 
-
|
 
|  
|  
 +
| 6A. Latch Housing
 +
| 1
 +
| Contains the latch mechanisms.
 +
| Molded Plastic
 +
| Injection Molding
 +
| 52
 +
| [[Image:LatchCasing.JPG|100px]]
|-  
|-  
|  
|  
-
| 6A. HANDLE
+
| 6B. Release Lever
-
| X1
+
| 1
-
| MOLDED PLASTIC
+
| Releases the latch when pressed.
-
| 45 G
+
| Molded Plastic
-
| [[Image:SkiRack_latchHandle_.jpg|300px]]
+
| Injection Molding
 +
| 45
 +
| [[Image:SkiRack_latchHandle_.jpg|100px]]
|-  
|-  
|  
|  
-
| 6B. LOCK BACK
+
| 6C. Lock Back
-
| X1
+
| 1
-
| STEEL
+
| Interfaces between the lock and locking tab.
-
| 5 G
+
| Steel
-
| [[Image:SkiRack_lockBack_.jpg|300px]]
+
| Casting
 +
| 5
 +
| [[Image:SkiRack_lockBack_.jpg|100px]]
|-  
|-  
|  
|  
-
| 6C. LOCKING TAB
+
| 6D. Locking Tab
-
| X1
+
| 1
-
| STEEL
+
| Rotates when rack is locked to hold the rack shut.
-
| 0 G
+
| Steel
-
| [[Image:SkiRack_lockingTab_.jpg|300px]]
+
| Punching
 +
| 0
 +
| [[Image:SkiRack_lockingTab_.jpg|100px]]
|-  
|-  
|  
|  
-
| 6D. SPRING
+
| 6E. Spring
-
| X1
+
| 1
-
| BRASS
+
| Returns the latch release lever to its closed position
-
| 4 G
+
| Brass
-
| [[Image:SkiRack_latchSpring_.jpg|300px]]
+
| Coiling
 +
| 4
 +
| [[Image:SkiRack_latchSpring_.jpg|100px]]
|-  
|-  
|  
|  
-
| 6E. LOCK WASHER
+
| 6F. Lock Washer
-
| X1 (MISSING)
+
| 1
-
| STEEL
+
| Holds the locking mechanism together.
-
| 0 G
+
| Steel
|  
|  
 +
| 0
 +
| Missing
|-  
|-  
 +
| 7. Carrier Top
|  
|  
 +
| 2
|  
|  
|  
|  
-
|  
+
|
-
|  
+
|
-
|  
+
| [[Image:Top Bar Assembly.JPG|100px]]
|-  
|-  
-
| 7. CARRIER TOP
 
|  
|  
-
| X2
+
| 7A. Upper Horizontal Shell
-
|  
+
| 1
-
|  
+
| Holds the rubber compression pad in place. 
-
| [[Image:Top Bar Assembly.JPG|300px]]
+
| Rubber
 +
| Extrusion
 +
| 206
 +
| [[Image:SkiRack_horizontalSteelTop_.jpg|100px]]
|-  
|-  
|  
|  
-
| 7A. OPEN SIDE LATCH TOP
+
| 7B. Upper Compression Pad
-
| X1
+
| 1
-
| MOLDED PLASTIC
+
| Compression pad to hold the skis firmly in place
-
| 52 G
+
| Rubber
-
| [[Image:LatchCasing.JPG|300px]]
+
| Extrusion
-
|-
+
| 127
-
|
+
| [[Image:TopRubber_sideview.JPG|100px]]
-
| 7B. TOP SHELL
+
-
| X1
+
-
| STEEL
+
-
| 206 G
+
-
| [[Image:SkiRack_horizontalSteelTop_.jpg|300px]]
+
-
|-
+
-
|
+
-
| 7C. TOP PAD
+
-
| X1
+
-
| MOLDED RUBBER
+
-
| 127 G
+
-
| [[Image:TopRubber_sideview.JPG|300px]]
+
-
|-
+
-
|
+
-
| 7D. RIVET
+
-
| X2
+
-
| ALUMINUM
+
-
| 0 G
+
-
| [[Image:Rivet2.JPG|300px]]
+
-
|-
+
-
|
+
-
| 7F. HINGE SIDE LATCH
+
-
| X1
+
-
| MOLDED PLASTIC
+
-
| 67 G
+
-
| [[Image:skiRack_hingeShell_.jpg|300px]]
+
-
|-
+
-
|
+
-
|
+
-
|
+
-
|
+
-
|
+
-
|
+
-
|-
+
-
| 8. VINYL PAD
+
-
|
+
-
| X2
+
-
| VINYL
+
-
| 0 G
+
-
|
+
|-  
|-  
-
| 9. ALLEN KEY
 
|  
|  
-
| X1
+
| 7C. Rivet
-
| STEEL
+
| 2
-
| 9 G
+
|  
|  
 +
| Aluminum
 +
|
 +
| 0
 +
| [[Image:Rivet2.JPG|100px]]
|-  
|-  
|  
|  
 +
| 7D. Hinge Shell
 +
| 1
 +
| Connects the top and bottom parts together and acts as a hinge.
 +
| Molded Plastic
 +
| Injection Molding
 +
| 67
 +
| [[Image:skiRack_hingeShell_.jpg|100px]]
|}
|}
[[Ski rack]]
[[Ski rack]]

Current revision

Bill of Materials

Image:SkiRack_assembly.jpg


Assembly Part Quantity Description Material Manufacturing process Weight [grams] Image
1. Mounting Bracket 4 Mounts carrier to roof rack.
1A. Base Screw 1 Connects bracket to rack. Steel Cold Heading and Thread Rolling 6
1B. Slider Top 1 Connects the bails to the lower horizontal cross bar. Molded Plastic Injection Molding 36
1C. Short Bail Screw 2 Holds the bails together Steel Cold Heading and Thread Rolling 6
1D. Long Bail Screw 2 Holds the bails together Steel Cold Heading and Thread Rolling 9
1E. Upper Bail 1 Clamps over roof rack cross bar. Molded Plastic Injection Molding 45
1F. Square Nut 1 Provides purchase for the base screw withing the slider top. Brass Forging and tapping 5
1G. Rubber Pad 1 Provides grip to the bails. Rubber Casting 13
1H. Lower Bail 1 Clamps under roof rack cross bar. Molded Plastic Injection Molding 49
1I. Hex Nut 1 Provides purchase for the bail screws within the lower bail. Brass Forging and tapping 5
2. Hex Key 2 Attaches the ski lift to the ski rack.
2A. Hex Key 1 Holds the ski lift in place. Molded Plastic Injection Molding 6
2B. Hex Nut 1 Provides purchase for the bold within the hex key. Brass Forging and tapping 5
2C. Bolt 1 Connects with the hex key through the ski lift to attached the ski lift Steel Cold Heading and Thread Rolling 12
3. Ski Lift 2
3A. Ski Lift 1 Raises up rack to provided additional clearance. Molded Plastic Injection Molding 25
3B. Hex Nut 1 Press fits into ski lift to provide secure purchase for mounting screws. Brass Forging and tapping 5
3C. Button Head Screw 1 Holds ski lift together. Steel Cold Heading and Thread Rolling 11
4. Lock Assembly 2
4A. Lock Housing 1 Holds lock in place within release lever. Steel Casting
4B. Lock 1 Preassembled lock. Steel Unknown multi-part assembly process. 10
4C. Lock Cap 1 Replaces optional lock Molded Plastic Injection Molding 0
5. Carrier Bottom 2
5A. Rivet 3 Holds rack together Aluminum 0
5B. Hinge Spring 1 Opens rack. Brass Coiling 15
5C. Lower Compression Pad 1 Compresses to firmly hold skis in place Rubber Extrusion 137
5D. Bottom Shell 1 Holds bottom compression pad in place. Mounts to mounting brackets. Steel Extrusion 198
5E. Latch (Bottom Half) 1 Provides something for upper half of latch to secure to. Molded Plastic Injection Molding 20
6. Latch 2
6A. Latch Housing 1 Contains the latch mechanisms. Molded Plastic Injection Molding 52
6B. Release Lever 1 Releases the latch when pressed. Molded Plastic Injection Molding 45
6C. Lock Back 1 Interfaces between the lock and locking tab. Steel Casting 5
6D. Locking Tab 1 Rotates when rack is locked to hold the rack shut. Steel Punching 0
6E. Spring 1 Returns the latch release lever to its closed position Brass Coiling 4
6F. Lock Washer 1 Holds the locking mechanism together. Steel 0 Missing
7. Carrier Top 2
7A. Upper Horizontal Shell 1 Holds the rubber compression pad in place. Rubber Extrusion 206
7B. Upper Compression Pad 1 Compression pad to hold the skis firmly in place Rubber Extrusion 127
7C. Rivet 2 Aluminum 0
7D. Hinge Shell 1 Connects the top and bottom parts together and acts as a hinge. Molded Plastic Injection Molding 67

Ski rack

Retrieved from "https://wiki.ece.cmu.edu/ddl/index.php/Ski_rack_bill_of_materials"
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