2010:Drivetrain: Difference between revisions

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== This is the Drivetrain Subteam's Engineering Notebook  ==
= Resources =
= When posting new entries please make them "Drivetrain - Month.Day.Year" to avoid confusion with other pages!!! --Eric =


'''Drivetrain - '''1/08/2009
Chassis Wheel Overhang Calculations:


'''Start time: '''6:00PM
*[http://penfieldrobotics.com/wiki/index.php?title=Image:Documentation.doc Documentation]
*[http://penfieldrobotics.com/wiki/index.php?title=Image:Robotics1.xls Spreadsheet with Calculations]


'''End time: '''9:00PM'''<br>'''
Chassis Ball Overhang Calculations:  


'''Members present:''' Tony, Goodman, Mark, Gannon, Larry, Dora<br>
*[http://penfieldrobotics.com/wiki/index.php?title=Image:Documentation3.doc Documentation]
*[http://penfieldrobotics.com/wiki/index.php?title=Image:Robotics2.xls Spreadsheet with Calculations]


<br>
Bill of Materials


'''Tasks Completed:'''
*[http://penfieldrobotics.com/wiki/images/b/bd/BOM_03-01-2010.xls <span style="text-decoration: underline;"><u>Drivetrain BOM 2010</u></span>]


*Checked Motors for problems
= Drivetrain&nbsp;Master Task List  =
*Took three hubs off of old "EDD Bot" to put on new wheels
*Still waiting for ordered parts<br>


----
*'''NEED&nbsp;: (02.03.2010 -JSG)'''


<br>
*Check wheel fit. Larry would like the keys to fit tighter.


'''Drivetrain-1.07.2009'''<br>
*Need Bumper mounting regime


UPDATE<br>
*Need bumper mounts designed


PLEASE PASS THIS ON TO THE MECHANICAL SUBTEAMS
*Need red Bumpers built (SEE&nbsp;CYNETTE)


<br>  
*Need bumper covers (blue)<br>  
*Mount Gaurds mounts
*Mount wheel gaurds
*Install bearings in wheel gaurds
*Install Ball gaurds and springs


Key ITEMS
<u>'''*Work with Mech team to integrate beater bar. Front must remain stiff after c-channel is removed'''</u>


<br>  
<u>'''*We expect the mech devices to provide additional chassis stiffness. Otherwise more chassis stifening must be used'''</u>  


*27.25” LONG x 37.25” WIDE
*****************************************<br>
*Rear wheel axis at 5.625 from most rear surfaces (adjustable down to 4.625 corner brace regime permitting)
*Front wheel axis at 11.625 from front most surfaces (adjustable ± 2.00”) <br>


<br>  
COMPILE [http://penfieldrobotics.com/wiki/index.php?title=Integration_Status#Bill_of_Materials Bill of Materials]<br> <br> * Drive Train Parts To Be Ordered


*Still need to determine a few hardware items but I think we could use a few PEM fasteners to further minimize fastener system weight
*<br>
*We will need to design a few spacers “on the fly” as we determine the best approach while building
*<u>&nbsp; Ball Gaurd (6)&nbsp; - NOT&nbsp;ORDERED! WILL&nbsp;NEED&nbsp;TO&nbsp;BUY&nbsp;AT&nbsp;HOME&nbsp;DEPOT&nbsp;OR&nbsp;McMASTER (.5 OD .060 wall x aprox 27" 6x)</u><br>
*The 6-hole patterns in the wheels need to be tapped for 10-32 Depth TBD
*&nbsp;<strike>Wheel Gaurd Bearing Block (6)&nbsp;&nbsp; [ORDERED 1/26] Josh will bring parts is Saturday AM</strike>
*Need to add the stiffener element between the wheels (1/side 1”x1” ext. Al stock is light and will work well and can be welded)  
*<strike>&nbsp;Front Motor Gaurd (2) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; [ORDERED 1/26] Josh will bring parts is Saturday AM</strike><br>
*Need to cut necessary smaller frame elements from stock
*<strike>&nbsp;Rear Motor Gaurd (1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; [ORDERED 1/26] Josh will bring parts is Saturday AM</strike>
*Need to design in provisions for front “dummy wheels” biased 1/8” up for roll over protection <br>
*<strike>Gaurd springs (6)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strike>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;
*<strike>&nbsp;chassis brace .125THK (6) &nbsp; &nbsp; &nbsp; &nbsp; [ORDERED 1/26] Josh will bring parts is Saturday AM</strike>
*<strike>Motor Mounts (4)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [ORDERED 1/26] Josh will bring parts is Saturday AM</strike><br>
*<strike>Guards Mount (2) &nbsp; &nbsp; &nbsp; &nbsp;</strike> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; [INTEND&nbsp;TO&nbsp;ORDER 02/04] may be available Sat.<br>
*<strike>Build Bumpers</strike>
*<strike>Bumber mounts</strike>
*<strike>Build gear boxxes</strike>
*<strike>Build wheels</strike>
*<strike>mount wheels</strike>
*<strike>Paint all parts</strike>
*<strike>Wheel spacers</strike>


<br>
= Drivetrain Subteam's Engineering Notebook  =


*Need to order the following parts from the shop by tomorrow:  
<br> '''Week 1''' <br> [[2010:Drivetrain 01.11]]<br> [[2010:Drivetrain 01.12]]<br> [[2010:Drivetrain 01.13]]<br> [[2010:Drivetrain 01.14]] Prototype drivetrain pictures, updates<br> [[2010:Drivetrain 01.16]]<br> [[2010:Drivetrain 01.17]]<br>  
*2009-wheel-hub (1/8 wheel retainer plate) QTY:4
*Hub-bearing (just a spacer in the hub for support not a bearing) QTY:4
*Brkt-wheel-asy-1 (trans/motor mount left front and right rear) QTY:2
*Brkt-wheel-asy-2 (trans/motor mount left rear and right front) QTY:2
*Bearing-block (main double bearing holder for each drive assembly) QTY:4 <br>


----
'''Week 2''' <br> [[2010:Drivetrain 01.19]]<br> [[2010:Drivetrain 01.20]]<br> [[2010:Drivetrain 01.21]]<br> [[2010:Drivetrain 01.23]]<br> [[2010:Drivetrain 01.24]]&nbsp; Updated Critical Dmensions, Pictures, Parts, tasks<br>


<br>  
'''Week 3'''<br>[[2010:Drivetrain 01.26|2010:Drivetrain 01.26]]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br>[[2010:Drivetrain 01.27|2010:Drivetrain 01.27]] Weight EST. Added [[Image:2010 Drivetrain weight est.xls]]<br>[[2010:Drivetrain 01.28|2010:Drivetrain 01.28]]<br>[[2010:Drivetrain 01.30|2010:Drivetrain 01.30]]<br>[[2010:Drivetrain 01.31|2010:Drivetrain 01.31]]<br> '''Week 4'''<br>[[2010:Drivetrain 02.02|2010:Drivetrain 02.02]]<br>[[2010:Drivetrain 02.03|2010:Drivetrain 02.03]]<br>[[2010:Drivetrain 02.04|2010:Drivetrain 02.04]]&nbsp; RECENT&nbsp;'''PICS&nbsp;W/BUMPERS'''<br>[[2010:Drivetrain 02.06|2010:Drivetrain 02.06]]<br>[[2010:Drivetrain 02.07|2010:Drivetrain 02.07]]


'''Drivetrain-1.07.2009 '''
'''Week 5'''<br>[[2010:Drivetrain 02.09|2010:Drivetrain 02.09]]<br>[[2010:Drivetrain 02.10|2010:Drivetrain 02.10]]<br>[[2010:Drivetrain 02.11|2010:Drivetrain 02.11]]<br>[[2010:Drivetrain 02.13|2010:Drivetrain 02.13]]<br>[[2010:Drivetrain 02.14|2010:Drivetrain 02.14]]


Start time: 6:00 pm
'''Week 6'''<br>[[2010:Drivetrain 02.16|2010:Drivetrain 02.16]]<br>[[2010:Drivetrain 02.17|2010:Drivetrain 02.17]]<br>[[2010:Drivetrain 02.18|2010:Drivetrain 02.18]]<br>[[2010:Drivetrain 02.19|2010:Drivetrain 02.19]]<br>[[2010:Drivetrain 02.20|2010:Drivetrain 02.20]]<br> Engineering Notebook Templates Available at:[[Engineering Notebook Template|Engineering_Notebook_Template]]


End time:&nbsp; 9:00 pm
'''''Please Label All Notebook Pages&nbsp;<u>2010:Drivetrain XX.XX</u> to avoid confusion'''''.


Members present: Tony,&nbsp; Goodman, Gannon, Larry, Dora<br>
= Archives  =


New bearings p/n r1212zz ordered.
*[[2009:Drivetrain|2009 Drivetrain main page]]
 
Tony and Matthieu were show&nbsp; drive wheel asembly.
 
ordered transmission
 
built up chassis frame
 
<br>
 
'''Tasks to complete: '''' <br>
 
'''[[1.07.2009|Drivetrain-1.07.2009]]'''
 
'''Start time:'''&nbsp;
 
'''End time:'''
 
'''Members present:''' Tony, Brenton, Goodman, Mark, Gannon, Larry<br>
 
<br>
 
All, please use the files in your assembly.<br>
 
I'll have to mail them *.stp is not allowed as to be uploaded by Wiki.<br>
 
<br>'''Tasks to complete:'''
 
1. Gather CAD files for inventor.<br>2. Assemble parts in inventor USE DATUMS<br>3. Make Drawings for custom parts<br>4. Make *.stp files for custom parts<br>5. Itemizes issues that need to be addressed<br>6. Become familiar with the design and Order of assembly<br>7. Figure out needed hardware. YOU ARE NOT LIMETED TO BOLTS AND NUTS<br>
 
<br>
 
<br> 1. Gather CAD files for inventor.<br>2. Assemble parts in inventor USE DATUMS01.<br>3. Make Drawings for custom parts<br>4. Make *.stp files for custom parts<br>5. Itemizes issues that need to be addressed<br>6. Become familiar with the design and Order of assembly<br>7. Figure out needed hardware. YOU ARE NOT LIMETED TO BOLTS AND NUTS

Latest revision as of 16:47, 14 November 2010

Resources

Chassis Wheel Overhang Calculations:

Chassis Ball Overhang Calculations:

Bill of Materials

Drivetrain Master Task List

  • NEED : (02.03.2010 -JSG)
  • Check wheel fit. Larry would like the keys to fit tighter.
  • Need Bumper mounting regime
  • Need bumper mounts designed
  • Need red Bumpers built (SEE CYNETTE)
  • Need bumper covers (blue)
  • Mount Gaurds mounts
  • Mount wheel gaurds
  • Install bearings in wheel gaurds
  • Install Ball gaurds and springs

*Work with Mech team to integrate beater bar. Front must remain stiff after c-channel is removed

*We expect the mech devices to provide additional chassis stiffness. Otherwise more chassis stifening must be used


COMPILE Bill of Materials

* Drive Train Parts To Be Ordered


  •   Ball Gaurd (6)  - NOT ORDERED! WILL NEED TO BUY AT HOME DEPOT OR McMASTER (.5 OD .060 wall x aprox 27" 6x)
  •  Wheel Gaurd Bearing Block (6)   [ORDERED 1/26] Josh will bring parts is Saturday AM
  •  Front Motor Gaurd (2)                 [ORDERED 1/26] Josh will bring parts is Saturday AM
  •  Rear Motor Gaurd (1)                  [ORDERED 1/26] Josh will bring parts is Saturday AM
  • Gaurd springs (6)                        
  •  chassis brace .125THK (6)         [ORDERED 1/26] Josh will bring parts is Saturday AM
  • Motor Mounts (4)                       [ORDERED 1/26] Josh will bring parts is Saturday AM
  • Guards Mount (2)                       [INTEND TO ORDER 02/04] may be available Sat.
  • Build Bumpers
  • Bumber mounts
  • Build gear boxxes
  • Build wheels
  • mount wheels
  • Paint all parts
  • Wheel spacers

Drivetrain Subteam's Engineering Notebook


Week 1
2010:Drivetrain 01.11
2010:Drivetrain 01.12
2010:Drivetrain 01.13
2010:Drivetrain 01.14 Prototype drivetrain pictures, updates
2010:Drivetrain 01.16
2010:Drivetrain 01.17

Week 2
2010:Drivetrain 01.19
2010:Drivetrain 01.20
2010:Drivetrain 01.21
2010:Drivetrain 01.23
2010:Drivetrain 01.24  Updated Critical Dmensions, Pictures, Parts, tasks

Week 3
2010:Drivetrain 01.26                                
2010:Drivetrain 01.27 Weight EST. Added File:2010 Drivetrain weight est.xls
2010:Drivetrain 01.28
2010:Drivetrain 01.30
2010:Drivetrain 01.31
Week 4
2010:Drivetrain 02.02
2010:Drivetrain 02.03
2010:Drivetrain 02.04  RECENT PICS W/BUMPERS
2010:Drivetrain 02.06
2010:Drivetrain 02.07

Week 5
2010:Drivetrain 02.09
2010:Drivetrain 02.10
2010:Drivetrain 02.11
2010:Drivetrain 02.13
2010:Drivetrain 02.14

Week 6
2010:Drivetrain 02.16
2010:Drivetrain 02.17
2010:Drivetrain 02.18
2010:Drivetrain 02.19
2010:Drivetrain 02.20
Engineering Notebook Templates Available at:Engineering_Notebook_Template

Please Label All Notebook Pages 2010:Drivetrain XX.XX to avoid confusion.

Archives

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