Difference between revisions of "RC09-DriveMotorFab"

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# 03/20/2010 - Design verified with the successful assembly of motors for prototype.
 
# 03/20/2010 - Design verified with the successful assembly of motors for prototype.
  
[[Category: RoboCup]]
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[[Category: RC Mechanical]]
[[Category: Mechanical]]
 
 
[[Category:2008-2009]]
 
[[Category:2008-2009]]

Latest revision as of 20:51, 24 May 2020

As part of the RoboCup 2009 Mechanical Drive Modules we were required to modify the drive motors to accommodate our custom pinion shaft. This page holds information on that process and the jigs and fixtures we made to complete that.

A development rendering of the 2009 Drive Motor Assembly Procedure

Parts & Components

Parts to be assembled

Drive Motor

Custom Pinion Shaft

Stock

Al Plate 1"

Vendor - McMaster-Carr
Part No. - 8975K313
Cost - $21.56
Description - Multipurpose Aluminum (Alloy 6061) 1" Thick X 3" Width X 1' Length

Al Plate 1/8"

Vendor - McMaster-Carr
Part No. - 89015K18
Cost - $26.06
Description - Multipurpose Aluminum (Alloy 6061) .125" Thick, 12" X 12"

Steel Rod 1/2" Dia

Vendor - McMaster-Carr
Part No. - 5227T26
Cost - $18.05
Description - 12L14 Carbon Steel Tight-Tolerance Rod 1/2" Diameter, 6' Length

Al Plate 0.020"

Vendor - McMaster-Carr
Part No. - 8973K82
Cost - $3.86
Description - Improved-Strength Basic Aluminum (Alloy 3003) .020" Thick, 12" X 12"

Fasteners

M3 x 6 Metric Flat Head Socket Cap Screw

Vendor - McMaster-Carr
Part No. - 91294A126
Cost - $6.76 (pk 100)
Description - Metric Flat Head Socket Cap Screw Class 10.9 Stl, M3 Size, 6mm Length, .50mm Pitch (Needs 90 deg countersink)

Process

Disassembly

Assembly

Action Log

  1. 04/01/2009 - A spare drive motor from 2008 fleet was successfully disassembled and reassembled.
  2. 04/02/2009 - Design of fixture for reassembling drive motors completed.
  3. 04/05/2009 - Shafts upgraded. Material list added to wiki.
  4. 11/05/2009 - Material trimmed and device made to fit on small press. Allows for possible reassembly at competition.
  5. 01/19/2010 - All parts fabricated.
  6. 01/26/2010 - Block remade and interference fit still not correct. Situation corrected with gasket sealer.
  7. 01/29/2010 - Gasket sealer fix verified.
  8. 03/20/2010 - Design verified with the successful assembly of motors for prototype.