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7/27/2019 Montagem Squarebot

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Squarebot 2.0 1 Carnegie Mellon Robotics Academy / For use with VEX Robotics Systems

Squarebot 2.0 Building Instructions(cont.)

materials qty

bearingat 12

panel 1

chassis rail 4

chassisbumper 2

partiallythreadedbeams,2" 4

kepsnut 38

8-32hexscrew," 26

8-32hexscrew," 19

8-32hexscrew,3/4 1 motor 2

2.75"removabletire 4

1.895"detachablehub 4

36-toothgear 4

60-toothgear 2

collarw/threadedsetscrew 10

squarebar,2" 2

squarebar,3" 4

6-32hexscrew," 4

Squarebot 2.0 Building Instructions

1 Collect and identify the parts from the list of materials below:


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keps nut x 38

8-32 hex screw, "x 20

chassis rail x 4

chassis bumper x 2

2" partially threaded beam x 4 8-32 hex screw, "x 26

6-32 hex screw, "x 48-32 hex screw, 3/4 x1


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panel x 1 motor x 2

2.75" removable tire x 4

1.895" detachable hub x 4


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36 tooth gear x 4

60 tooth gear x 2

square bar, 3" x 4

bearing fat x 12

square bar, 2" x 2

collar w/threaded set screw x 10

.5"


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2

Parts needed in this step:

x 2


x 4

Inner chassis railsYouwillneedtwochassisrails,onefortherightsideandonefortheleftside.Orientthemasshown,sothatthenarrowfaceispointingupandtheopensidesarefacingeachother.

Addfourbearingatstothechassisrails(twoperrail,ontheoutward-facingsides).Besuretopositionthebearingatssuchthatthecentralholeofeachbearingatisalignedwiththefourthholefromtherespectiveendofthechassisrail,asshown.


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Inner chassis rails (cont.)Securethebearingatstothechassisrailsusingtwo"8-32screwsandtwokepsnutsperbearingat,asshown.


" x 8 x 8

2

Yourcompletedinnerchassisrailsshouldlooklikethiswhenyouredone:


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Outer chassis railsPositiontwomorechassisrailsasshown,justasyoudidfortheinnerchassisrails.


x 2

Addbearingatstotheinnerfacesofthetwochassisrails.Thecenterholeofthebearingatshouldbealignedwiththeeighthholefromthefrontendofthechassisrail,inthemiddlerowofholes.


x 2

3


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" x 4 x 4

Outer chassis rails (cont.)Secureeachbearingatwithtwo"8-32screwsandtwokepsnuts.

3


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Outer chassis rails (cont.)Yourouterchassisrailsshouldnowlooklikethis:


x 4

3

Nowaddtwobearingatstotheoutersurfaceofeachchassisrail,sothecenter

holeofeachbearingatisoverthefourthholefromtherespectiveendofthechassisrail,asshown.Thesearethesamepositionsasthebearingatsyouputontheinnerchassisrailsearlier.


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Outer chassis rails (cont.)Securethebearingatstothechassisrailsusingtwo"8-32screwsandtwokepsnutsperbearingat.


"x 8

3

Yourouterchassisrailsshouldnowlooklikethis:

x 8


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Motor SubassemblyBeforestartingonthemotorsubassembly,makesurethattheclutchisinstalledinthemotor,asshown.


2"x 2


x 2

4

Inserta2"squarebeamintoeachclutch,makingsurethattheyseatrmly.Thesquarebarwillactasthemotorsdriveshaft.


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Motor Subassembly (cont.)Slidethepre-assembledinnerchassisrailsontothesquarebarmotorshafts,sothattheshaftsgothroughthemiddleholeinthemiddlerowofeachrail.


x 2

4

Installonebearingatontheoutward-facingsideofeachchassisrail,withthefrontholeofthebearingatslidingontothemotorshaftasshown.


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"x 4

4 Motor Subassembly (cont.)Yourassemblyshouldnowlooklikethis:

Securethebearingattotheinnerchassisrailandmotorusingtwo"6-32screwspermotor.Notethatthesearethethinnerscrews,nottheusual8-32ones.

Yourassemblyshouldnowlooklikethis:


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Chassis SubassemblyInserta3"squarebarthroughthecenterholeofeachunoccupiedbearingat,asshown.Donotpushthemallthewaythrough.Pushtheendofthebarabout"throughtherail.


3"x 4

5


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Chassis Subassembly (cont.)Slidemetalcollars(withthreadedscrews)ontoeachofthe2"and3"squarebars,mountingthemushwiththesurfaceofthebearingatagainstwhichtheywillsit.Besurethesquarebarsdontgetpushedfurtherinwhileyouputthecollarson.


x 6

5

Oncethecollarsandbarsareinposition,tightenthethreadedscrewswiththethinnerallenwrenchtokeepthecollarsfromslidingoutofplace.


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Chassis Subassembly (cont.)Slidea60-toothgearontothedriveaxleofeachmotor,pushingitushagainstthecollarthatyouaddedinthepreviousstep.


60-toothx 2

5


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Chassis Subassembly (cont.)Slidea36-toothgearontoeachoftheremainingsquarebars,pushingthemushagainstthecollars.


36-toothx 4

Addanothercollartotheendofthe2shafts(theonesdirectlyconnectedtothemotor).Slidethemdownsothattheyareushwiththelargergear.Makesuretheyaretightened.

x 2


5


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Chassis Subassembly (cont.)Tightenthethreadedscrewswiththethinnerallenwrench.


x 4

Yourkitincludestwodifferentlysizedblackspacers.Slideoneofeachontotheshaftswiththesmallergears(thosenotdirectlyconnectedtothemotors),asshown.

x 4

5


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Chassis Subassembly (cont.)Installthepre-assembledouterchassisrailsontothecurrentassembly.Allthreeofthesquarebarsstickingoutoftheinnerrailshouldgothroughbearingatsontheouterrail.

5

Note:Ifyoundthatyourgearsareslidingontheaxles,youcaninsertthe0.182"and0.318"plasticspacersincludedinthekittoblockthemintoplace.


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Chassis Subassembly (cont.)Placechassisbumpersonthefrontandrearofthechassisrails,asshown.


x 2

5


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Chassis Subassembly (cont.)Securetheverticalfacesofthechassisbumperstotheendofthechassisrailsusingfour"8-32screwsandkepsnutsinthefront,andfourintheback.


"x 8 x 8

5


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Chassis Subassembly (cont.)Connectfour2standoffsusingfour8-32screws.Placethemasshownandbesuretonotethattwoofthemareontheedgeandtwoareonespaceawayfromtheedge.Connectthepartsusingthethickerallenwrenchwhileholdingthestandoffinplace.


"x 4 x 4

5


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Chassis Subassembly (cont.)Securethehorizontalfacesofthechassisbumperstothetopofthechassisrailsusingfour"8-32screwsandfourkepsnuts,twointhefrontandtwointheback.


x 4 x 4

5


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Chassis Subassembly (cont.)Installthesmallgreentires(2.75"RemovableTireand1.895"Hub)onthe3"squarebeams,asshown.Slidethemdownsotheyareushwiththebearingats.


x 4

5


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Chassis Subassembly (cont.)Slidethecollarsontotheshaftssuchthattheyareushagainstthewheels.Tightenthecollarsinplacewiththethinnerallenwrench.


x 4

5


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Chassis Subassembly (cont.)Positionthemicrocontrolleronyourrobotasshown.


x 1


x 4 x 4

5

Attachthemicrocontrollertothechassisusingfour8-32screwsandkepsnuts,asshown.Insertthescrewsintothesmallholesinthemicrocontrollertoholditinpositionproperly.


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Canopy AssemblyYouwillneedapunchedpaneltobeginconstructingthecanopy.

Youareconstructingaseperatepartinthissegment,whichwilllaterbeattachedtoSquarebot.


x 1


x 1

x 4 x 4

6

Attachthereceivertothepunchedpanelusingfour8-32screwsandfourkepsnutsasshown.Besuretoleaveoneemptyrowofholesontheleftofthereceiver.


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Canopy Assembly (cont.)

Attachtheantennaholderusinga3/48-32screwandkepsnut,securingthescrewthroughthemiddleholeontheleftedgeofthecanopy.Then,slidetheyellowantennawirefromthereceiverinsidetheantennasleeveandplaceitintotheantennaholder.


x 1 x 1

3/4x 1 x 1

6


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Canopy Assembly (cont.)IfyouareusingaVEXrechargablebatterypack,attachthebatterystrapalongthebackrowofthepunchedpannelusingtwo8-32screws.Besureitisorientedproperly.


x 1 x 2

6

x 2


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x 1

6

Lockthebatteryintoplaceusingthebatterystrip.

Canopy Assembly (cont.)TakethebluerechargableVexbatteryandorientitasshown.IfyouareusingtheblueVEXAAbatteryholder,simplyattachittothecanopyinplaceofthebatterypack.


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Canopy Assembly (cont.)Attachthecanopytotherobot.Todothis,securethecanopyontothefouroffsetsyouattachedearlierusingfour8-32screws.

Youwillhavetooffsetthecanopybyoneholeeitertotheleftortheright.


x 4

6


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Wire AssemblyPlugthewirecomingfromtherobotsrightmotorintoMOTORSport2.ThesideofthecontrollerwiththeLEDsisthefront.

Besuretopluginthewirecorrectlyandgently.Thewiresshouldslideineasily

whenproperlyoriented.

7


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Wire Assembly (cont.)PlugthewirethatisattachedtotheleftmotorintoMOTORSport3onthemicrocontroller.

7


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Wire Assembly (cont.)Plugthebatteryintothebackofthemicrocontroller.

7


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Wire Assembly (cont.)Takethe9RJ-10wire(theyellowwirethatlookslikeaphonecable)andplugoneendintothebackofthereceivermodule.PlugtheotherendintotheportmarkedRx1onthebackofthemicrocontroller.


x 1

7

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