Difference between revisions of "RC08Drive Module"
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# 3 - 1/4" E-Clips (RC-2008-03-09) | # 3 - 1/4" E-Clips (RC-2008-03-09) | ||
# 4 - 8-32 Socket Cap Screws Counter Sunk (RC-2008-03-12) | # 4 - 8-32 Socket Cap Screws Counter Sunk (RC-2008-03-12) | ||
| − | # 3 - 8-32 3/8" Long | + | # 3 - 8-32 3/8" Long (RC-2008-03-13) |
# 1 - Washer (RC-2008-03-10) | # 1 - Washer (RC-2008-03-10) | ||
# 3 - M3 Machine Screws (RC-2008-03-14) | # 3 - M3 Machine Screws (RC-2008-03-14) | ||
Revision as of 14:38, 14 December 2007
The Drive Module packages the gears, wheel, and motor into an useful robot maneuvering tool. Robocup 2008 Mechanical
Contents
Assembly Structure
Parts List
- 1 - Omni Wheel (RC-2008-02-00)
- 1 - Maxon Brushless Drive Motor (RC-2008-03-01)
- 1 - Drive Module Plate (inner) (RC-2008-03-02)
- 1 - Drive Module Plate (outer) (RC-2008-03-03)
- 1 - Base Attachment (RC-2008-03-07)
- 1 - Output Shaft (RC-2008-03-06)
- 3 - 1/2" Long Hex Standoffs (RC-2008-03-11)
- 1 - Input Gear (RC-2008-03-05)
- 1 - Output Gear (RC-2008-03-04)
- 2 - 1/4" Ball Bearings (RC-2008-03-08)
- 3 - 1/4" E-Clips (RC-2008-03-09)
- 4 - 8-32 Socket Cap Screws Counter Sunk (RC-2008-03-12)
- 3 - 8-32 3/8" Long (RC-2008-03-13)
- 1 - Washer (RC-2008-03-10)
- 3 - M3 Machine Screws (RC-2008-03-14)
Parts & Components
Bearings
1/4" Shaft Diameter
- Vendor - McMaster-Carr
- Part No. - 57155K304
- Cost - $6.80 Each
- Description - Miniature Precision SS Ball Bearing - ABEC-5 Flanged Open, .25" ID, .5" OD, .125" Width
- Drawing - File:RC08-MC-57155K304.pdf
Gears
Input
- Vendor - SDP/SI
- Part No. - S1063Z-072A020
- Cost - $9.83 ($6.76 in bulk)
- Description - 0.2778" Pitch Dia, 0.125" Face Width, 0.125" Bore (must bore out to 4mm)
- Drawing -
- Note - Al 2024
Output
- Vendor - SDP/SI
- Part No. - S1066Z-072S100
- Cost - $17.72 ($13.02 in bulk)
- Description - 1.3889" Pitch Dia, 0.125" Face Width, 0.125" Bore (must bore out to 4mm)
- Drawing -
- Note - Stainless 303
Stock
1/4" Hex Bar Stock
- Vendor - SDP/SI
- Part No. - A 7C21-0436
- Cost - $4.39 Each ($3.27 in bulk)
- Description - Carbon Steel 36" length
Al Plate 1/8"
- Vendor - McMaster-Carr
- Part No. - 89015K18
- Cost - $26.06
- Description - Alloy 6061 Aluminum Sheet .125" Thick, 12" X 12"
Al Angle (Base Attachment)
- Vendor - McMaster-Carr
- Part No. - 88805K54
- Cost - $14.87
- Description - Alloy 6063 Aluminum 90 Degree Angle 1/8" Thick, 1" X 1/2" Legs, 8' Length
Fasteners
8-32 Flat Socket Cap Screws
- Vendor - McMaster-Carr
- Part No. - 92210A190
- Cost - $11.58 (Pack of 100)
- Description - 18-8 SS Flat Head Socket Cap Screw 8-32 Thread, 1/4" Length
M3 Screws (Drive Motor Mount)
- Vendor - McMaster-Carr
- Part No. - 92005A116
- Cost - $2.16 (Pack of 100)
- Description - Metric Pan Head Phillips Machine Screw Zinc-Plated Steel, M3 Size, 6mm Length, .5mm Pitch
8-32 Low Head Socket Cap Screw
- Vendor - McMaster-Carr
- Part No. - 92220A152
- Cost - $11.60 (Pack of 100)
- Description - Alloy Steel Low Head Socket Cap Screw 8-32 Thread, 3/8" Length
Other
1/2" Long Hex Stand Off
- Vendor - McMaster-Carr
- Part No. - 91780A195
- Cost - $0.34 Each ($0.27 in bulk)
- Description - Aluminum Female Threaded Hex Standoff 1/4" Hex, 1/2" Length, 8-32 Screw Size
Washer
- Vendor - McMaster-Carr
- Part No. - 98029A026
- Cost - $5.95 (packs of 25)
- Description - Black-Oxide Steel Thick Flat Washer #8 Screw Size, 11/64" ID, 3/8" OD,.052" - .073" Thk
1/4" Hex Broache
- Vendor - McMaster-Carr
- Part No. - 2875A15
- Cost - $105.37
- Description - Hexagon Broach 1/4" Hex, 6" Broach Length
1/4" E-Clips
- Vendor - McMaster-Carr
- Part No. - 97633A130
- Cost - $6.54 (Pack of 100)
- Description - Black-Phosphate Steel External Retaining Ring for 1/4" Shaft Diameter
- Note - Inside of bearings
Costs
Per Module (Estimated)
Note you cannot buy materials in small enough quantity. $85.00 + $9.83 + $17.72 + 2*$6.80 + $0.238 + 3*$0.0373 + $0.34*3 + $0.0654*3 + $0.304 + $0.34 = $128.36 --> $140.00
