Difference between revisions of "RC09-Omni"
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# 01/26/2010 - Omni plates for prototype water jetted. | # 01/26/2010 - Omni plates for prototype water jetted. | ||
# 02/03/2010 - Tooling required to make omni bodies arrives. | # 02/03/2010 - Tooling required to make omni bodies arrives. | ||
| + | # 02/13/2010 - First omni body completed. Problems encountered with automated tapping of 6-32s. | ||
| + | # 03/20/2010 - Last omni body for prototype made. | ||
| + | # 03/23/2010 - Revisions made to omni design to allow for better draining of retaining compound, symmetrical plate positioning, and new bearings. | ||
| + | # 04/03/2010 - First fleet omni body made. Process is down to 2hrs. | ||
[[Category: RoboCup Mechanical]] [[Category: 2009]] | [[Category: RoboCup Mechanical]] [[Category: 2009]] | ||
Revision as of 17:17, 4 April 2010
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.
- 05/05/2009 - 1/2 of rollers are assembled.
- 07/18/2009 - Omni bodies CAM'd.
- 01/26/2010 - Omni plates for prototype water jetted.
- 02/03/2010 - Tooling required to make omni bodies arrives.
- 02/13/2010 - First omni body completed. Problems encountered with automated tapping of 6-32s.
- 03/20/2010 - Last omni body for prototype made.
- 03/23/2010 - Revisions made to omni design to allow for better draining of retaining compound, symmetrical plate positioning, and new bearings.
- 04/03/2010 - First fleet omni body made. Process is down to 2hrs.
