RC09-Omni
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As part of the RoboCup 2009 Mechanical, the Omni Wheels allow the robots to move in any direction at anytime.
Contents
Drawings
Materials
Assembly Structure
Parts List
Instructions
Parts & Components
Amounts are based on per robot. Materials are in sizes for prototyping not lowest cost per robot volume pricing if available is in parenthesis.
Stock
Plate - Wheel Plate
- Vendor - McMaster-Carr
- Part No. - 8885K13
- Cost - $21.63
- Description - Alloy 7075 Aluminum Sheet .063" Thick, 12" X 12"
Plate - Wheel Body
- Vendor - McMaster-Carr
- Part No. - 9246K23
- Cost - $28.51
- Description - Multipurpose Aluminum (Alloy 6061) 3/8" Thick, 12" X 12"
Shaft - Rollers
- Vendor - McMaster-Carr
- Part No. - 9063K243
- Cost - $17.48
- Description - Alloy 7075 Aluminum Precision Ground Rod 1/8" Diameter, 3' Length
- Note: Usually ships within 2 weeks.
Fasteners
6-32 Low Head Socket Cap Screw
- Vendor - McMaster-Carr
- Part No. - 92220A141
- Cost - $7.42 (packs of 25)
- Description - Alloy Steel Low Head Socket Cap Screw 6-32 Thread, 1/4" Length
3/16" Dowel Pin
- Vendor - MSC
- Part No. - 88231758
- Cost - $43.08 (per 100)
- Description - Precision Ground Dowel Pins - Stainless Steel Type: Dowel Pin Diameter: 3/16 Overall Length: 1/4 Material: Stainless Steel - 416 SS Finish/Coating: Bright
1/16" Dowel Pin
- Vendor - MSC
- Part No. - 88231196
- Cost - $19.83 (per 100)
- Description - Precision Ground Dowel Pins - Stainless Steel Type: Dowel Pin Diameter: 1/16 Overall Length: 1/4 Material: Stainless Steel - 416 SS Finish/Coating: Bright
Other
O-Ring
- Vendor - McMaster-Carr
- Part No. - 94115K012
- Cost - $2.87 (Pks of 100)
- Quantity -
- Description - Neoprene O-Ring AS568A Dash Number 012
Fabrication
Omni Plates
- Can be done in house on Haas for prototype.
- Fleet should be water jetted.
Omni Bodies
- In House on Haas VF-2
Omni Rollers
- MFG.com - CNC Lathe Required
Cost Estimates
Action Log
- 10/19/2008 - Initial revised roller design completed.
- 11/02/2008 - Added new groove style for new rollers.
- 11/09/2008 - Refined roller design.
- 12/30/2008 - Resized to match internal gear dimensions.
- 01/13/2009 - Added fillets.
- 02/01/2009 - Drawing for rollers produced and ready to be posted for quote.
- 02/22/2009 - Design for prototype completed.
- 03/15/2009 - Rollers posted to mfg.com for quote.
- 03/17/2009 - Design revised. Internal gear added to omni body.
- 03/25/2009 - Supplier for rollers selected.
- 04/08/2009 - All 400 Rollers arrive for omni wheels.
