Difference between revisions of "RC08Chassis"
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# 04/08/2008 - Standoffs for the electrical boards up to the shell have been found and overall height for the robot has been finalized. | # 04/08/2008 - Standoffs for the electrical boards up to the shell have been found and overall height for the robot has been finalized. | ||
# 04/10/2008 - We have decided to go with pressing for creating space for output gears on the bottom plate. This allows us to move the wheels down for additional ground clearance. | # 04/10/2008 - We have decided to go with pressing for creating space for output gears on the bottom plate. This allows us to move the wheels down for additional ground clearance. | ||
| − | # 04/10/2008 - Cutouts for motor wires need to be moved in some to allow for more slack and connection with electrical | + | # 04/10/2008 - Cutouts for motor wires need to be moved in some to allow for more slack and connection with electrical board. |
| + | # 04/15/2008 - Die for stamping bottom plate gear allowances has been made and the process produces successful results. | ||
Revision as of 13:04, 16 April 2008
As part of the Robocup 2008 Mechanical, this is the skeleton of the robots everything attaches to it.
Contents
Assembly Structure
Parts List
- 2 - Drive Module (RC-2008-03-00)
- 2 - Drive Module Mirror (RC-2008-03-00-M)
- 1 - Dribbler (RC-2008-04-00)
- 1 - Kicker / Chipper (RC-2008-05-00)
- 1 - Bottom Plate (RC-2008-07-01)
- 1 - Electrical Plate (RC-2008-07-03)
- 4 - 2 1/2" Long Hex Standoffs (RC-2008-07-02)
- 10 - 6-32 1/4" Long (RC-2008-07-04)
- 8 - 8-32 3/8"Long (RC-2008-03-13)
- 8 - 8-32 Nylon Lock Nuts (RC-2008-07-05)
- 1 - Electrical Board (RC-2008-07-06)
Configuration Notes
- Due to space constraints drive modules are not orthogonal. They are X degrees off inward. (See drawings)
Parts & Components
Stock
Top Plates
- Vendor - McMaster-Carr
- Part No. - 89015K39
- Cost - $43.33 Each
- Description - Alloy 6061 Aluminum Sheet .063" Thick, 24" X 24"
Bottom Plate
- Vendor - McMaster-Carr
- Part No. - 8885K18
- Cost - $35.62 Each
- Description - Alloy 7075 Aluminum Sheet .050" Thick, 12" X 24"
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
8-32 Low Head Socket Cap Screw
- Vendor - McMaster-Carr
- Part No. - 92220A152
- Cost - $11.60 (Packs of 100)
- Description - Alloy Steel Low Head Socket Cap Screw 8-32 Thread, 3/8" Length
8-32 Nylon Lock Nut
- Vendor - McMaster-Carr
- Part No. - 90633A009
- Cost - $2.21 (Packs of 100)
- Description - Grade 2 Hex Thin (Jam) Nylon-Insert Locknut Zinc-Pltd Steel, 8-32 Screw Size, 11/32" W, 11/64" H
Other
1/4" Hex Standoff (2.5")
- Vendor - DigiKey
- Part No. - 1825K-ND
- Cost - $1.14 Each (must order min 10)
- Description - STANDOFF HEX 6-32THR 2.5"L ALUM
X" Hex Standoff X"
- Vendor - DigiKey
- Part No. - 2208K-ND
- Cost - $0.307 Each (must order min 10)
- Description - STANDOFF HEX 6-32THR 0.5"L ALUM FEMALE FEMALE
X" Hex Standoff X"
- Vendor - DigiKey
- Part No. - 8416K-ND
- Cost - $0.471 Each (must order min 10)
- Description - STANDOFF HEX 6-32THR 0.75"L ALUM MALE FEMALE
X" Hex Standoff X"
- Vendor - DigiKey
- Part No. - 1819K-ND
- Cost - $0.915 Each (must order min 10)
- Description - STANDOFF HEX 6-32THR 1.75"L ALUM FEMALE FEMALE
Action Log
- 01/03/2008 - Bottom plate prototype completed.
- 02/15/2008 - Top plate prototype completed.
- 03/18/2008 - Ground clearance concerns have prompted investigating into correcting.
- Notes - Possible fixes, larger omni wheels, moving wheels down.
- 03/30/2008 - Moving wheels down has been selected for fixing ground clearance.
- 04/08/2008 - Standoffs for the electrical boards up to the shell have been found and overall height for the robot has been finalized.
- 04/10/2008 - We have decided to go with pressing for creating space for output gears on the bottom plate. This allows us to move the wheels down for additional ground clearance.
- 04/10/2008 - Cutouts for motor wires need to be moved in some to allow for more slack and connection with electrical board.
- 04/15/2008 - Die for stamping bottom plate gear allowances has been made and the process produces successful results.
