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8/8/2019 Unit2AExemplar

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Ma#hewLane–DoubleAwardGCSEEngineering

CentreNumber:68870 SpringTerm2010

8/8/2019 Unit2AExemplar

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Ma#hewLane–DoubleAwardGCSEEngineering

DesignandmakeaDIYtoolthatwillbegivenasa

freegi8withthefirstedi:onofanewDIYMagazine.ThedevicemustbeusefultoDIYenthusiastsand

shouldbesafeandeasytobeusedforarangeof

ac:vi:es.

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Ma#hewLane–DoubleAwardGCSEEngineering

I have produced a brainstorm of all my products possible target

audiences, locations of use, tools and activities. I have presented

them in a mind map diagram, using a program called eMindmaps.

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WhereandWhat?

Essen:alforcamping.

Boleopenersare

alwaysuseful.

Usefulwhennoknives

areavailable.Essen:al

forgeneraluse,DIY

andcamping.

Usefultocutsmall

woodenobjects.Such

assmalls:cksetc.

Goodforcamping.

Usedfor:ghteninggeneral

equipment.Aimedat

generalmarket,DIYand

camping.

Hookcanbeusedtopull

thingsi.etentpegsoutfrom

theground.Couldcomein

useforDIYandCamping.

Ma#hewLane–DoubleAwardGCSEEngineering

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Ma#hewLane–DoubleAwardGCSEEngineering

ImagesofExis;ngProducts

Goodvarietyoftoolswhich

woulddesirabletothegeneral

purposemarket.

Arac:veMetalFinish,

storedwithinplas:chousing.

Tools‘Lock’intotheir

posi:onwhenfullyerect.

Largevarietyoftoolscouldbehard

toextractuse.

Casecouldbemademore

ergonomicforthehumanhandto

holdwhilstthetoolisinuse.

Plas:chousingprovidesan

arac:velook,andisrela:vely

cheaptomanufacture

 –Plas:cshouldbeagoodop:on

formymul:-toolcase.

Arac:vemetalfinish.

Tools‘Lock’intotheir

posi:onwhenfullyerect.

Twogoodlengthknifetools.

Bladessafelyencasedwhen

notinuse.

Notalargeamountoftoolsonthe

mul:-tool–Thereforenotsuitedas

ageneralallac:vitymul:-tooland

wouldthereforenotappealtoa

largemarket.

Verysmall–Couldbeeasily

misplaced

Metalhousinggivesthetoolan

arac:veandrobustlook

 –Metalshouldbeconsideredfor

mymul:-toolcase.

Morecostly,andharderto

manufacturethanaplas:c

housing.

Mul:-toolsneedlarge

amountsoftools

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Ma#hewLane–DoubleAwardGCSEEngineering

ImagesofExis;ng

Products

Largeamountoftools.

Ithasmanydifferentsize

spannersandAllenkeyswhich

willappealtothemechanical

market.

Itenclosesaportabletorch.

Hasserrated&sharpedge

tools.

Largeamountoftoolscouldbe

hardtoextractforuse.

Largeamountoftoolscouldmake

themul:-tooluncomfortableto

hold,whilstusing–toolsnotinuse

couldpoke/digintothehumanhand

Case/Handlecouldbemademoreergonomicforthehumanhand.

Largevarietyoftoolsare

desirableinan‘allinone’mul:-

tool.

Iftoomanytoolsaren’ttotally

hidden,itcouldmakethetool

uncomfortabletohold

Ergonomicsneedtobetakenintoaccountwhendesigningmy

product.

Verygoodvarietyoftools

whichisdesirabletothe

generalpurposeandcamping

market.

Toolsareausablesize.

Robustlookingplas:ccase,

withaninteres:ngcolour.

Cutoutoncasingallows

toolstobeextractedmore

easily.

Largeamountoftoolscouldbe

hardtoextractforuse.

Thetoolsizeisrela:velysmallfor

theamountoftoolsonit.

Mycase/handlewillbemade

ergonomicforthehumanhand.

Ishouldconsiderdifferent

coloursandshapesonmycase/

handle,sothatitmakesmy

productstandout/unique.

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Ma#hewLane–DoubleAwardGCSEEngineering

Themetaltoolhideswithintheplas:ccase.Alsohasan

compassandamagnifierglass.Ithasanergonomicallyshapedcase.Caseismadeofplas:c.Blueplas:cgivesthetoola

professionalfinish.Caneasilyfitintoatrouserspocket,soitis

mobile.

Themetaltoolslidesoutfromtheplas:ccase.Toolseemstobea

stainlessstealmaterial.Thetoolclicksintothecase,thereforeitissafelyenclosedwhenitisnotinuse.

Thereseemtobemanytools,includingascrewdriver,serrated

edge,buerflycanopener,canopener,a4posi:onwrenchand

wirestripers.Sometoolsareintegratedintoeachothertotakeuplessspace.CouldbeadesirableproducttotheDIYmarket.

Theproductalsohasadetachablepartwhichseemstohave

differentscrewdriverheads.Thiswouldallowyouto:ghten

differenttypesofscrews.ThiscouldbeverydesirabletoaDIYenthusiast.

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Ma#hewLane–DoubleAwardGCSEEngineering

Ergonomicsisthedesigningofproductsthatmustbefiedaroundthe

humanbodysothatitcanfulfilsafemovementsandpostures.These

productsneedtobesuitedanddesignedsothattheyfitwiththeshapes

andanglesofthehumanbody.

Ifergonomicsarenottakenintoaccountwhendesigningproductsfor

humanuse,thehumanbodycouldbepronetobeingindangerouspostureswhichcanresultintheuser’sbodybeingaffectedbyrepe::ve

straininjuries,whichinturncanresultinlong-termdisability.

Itisessen:alwhendesigningproducts,thatergonomicsareconsidered!

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Ma#hewLane–DoubleAwardGCSEEngineering

Anthropometricsisthedesigningofproducts,withtheconsidera:on

ofthesizesandweightsofhumanhands,legs,headetc.

Wecanworkoutthesizesofthehumanlimbsbymeasuringasample

ofpeople,andthenusingtheseresultstohelpdesignerswiththeir

anthropometricallysuiteddesigns.

Ifweapplyalltheinforma:onweknowaboutthehumanbody,wecan

makesanthropometricallydesignedproducts‘fit’thehumanuser,so

thattheproductcanbeaseffec:veaspossibleforitspurpose.

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Ma#hewLane–DoubleAwardGCSEEngineering

  Themul:-toolwillbeaimedattheDIY,generalpurposeandcampingmarket.

  Itmustberobustenoughtotakegeneraldaytodayuseandabuse.

  Theproductmustbefinishedtoahighqualityandstandard.

  Itneedstositergonomicallywellintheusershandandtobe

anthropometricallysuitedtothehumanbody.

  Itmusthaveasuitableprotec:vecasetohousethemul:-tool.

  Thetoolsmustsitsafelywithinthecase,whennotinuse.

  Themul:-toolmustbevisuallyarac:veandshouldinclude

interes:ngshapes/angles.

  Thetoolmustbeabletobeusedformanyfunc:onsandac:vi:es.

  Themul:-toolwillrequiretohavemanyuseful&essen:altools.

  Itneedstobecompact,sothatitcanbestoredinatrouserspocket.

  Itneedstobebuiltandconstructedforalowprice,sothatitcancome

freewithamagazine.

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Ma#hewLane–DoubleAwardGCSEEngineering

Thesearemyoriginalhanddrawnsketchesformymetalmul:-tool.I

createdmanydesignsandideasonpaperformymetalmul:-tool.I

thenscannedthemintothecomputerusingascanner.Later,Ithen

choosewhatshapesandtoolswerebestsuitedtomymul:-toolthem

andthemtookthedesigns/ideasforwardandcon:nuedtodevelop

them,un:lIreproducedthemonacomputerusingCADSo8ware.

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- Continued 

Ma#hewLane–DoubleAwardGCSEEngineering

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Ma#hewLane–DoubleAwardGCSEEngineering

Iproducedmanyhanddrawn

designs,forpossibletoolandcases

shapesandenclosingideas.Allmy

handdrawnideasareshowninthe

followingpages.

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Outofallmyhanddrawndesigns,thiswasmy

favourite,asithasauniquewayofenclosingthetool.It

alsohasthemostposi:vefeedbackwhenIshowedthe

designstofellowclassmates.

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‘Xray’viewofMul8-toolMul8-toolhiddenwithinplas8chandle/case(Closed)

Ihaveproducedafirstidea/sketchCADdesignofmy

chosenmul:-tooldesign.Ihavecreatedthedesignusing

aCADprogramcalled‘GoogleSketchUp’.Usingmy

originalhanddrawndesigns,Iwantedtocon:nueto

developthedesignandtomakeanaccurateconceptof

whattoolsandcasescouldbesuitableforthemul:-tool.

Iplannedtokeepmyoriginalmethodofenclosingthe

metaltoolandtherangeofmul:-purposetoolswereon

it.

Ma#hewLane–DoubleAwardGCSEEngineering

TopviewofMul8-too l

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SawEdge

Plas;chandle

&casing

Screwdriver

SerratedEdge

6Posi;on

Wrench

HookSharpEdge

Bo#leOpener

Handle/casecutso

thatitfitsaround

thehumanfingers

(Ergonomic)

Handle/casecutsothatitfitsaround

thehumanhand(Ergonomic)

NutfasteningPlas;c,

Metal,Plas;c‘Sandwich’.

Bu#erfly

Wrench

Ma#hewLane–DoubleAwardGCSEEngineering

ThisismyoriginalCAD

designmodelformymul;-

tool.Thepurposeofthis

designwastoshowhowmy

finaltoolcouldlooklike.

SincethenIhavemade

modifica;onstomydesign,

whichisshownonamore

recentversionofthisCAD

design.

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Arectanglewasfirstcreated,andthen

thecornerswereroundedusingthecurve

tool,andthendeletetheexcessarea.I

duplicatedthisshape,sothatihadtwo

roundedrectangles.

Bothroundedrectanglesweremadeintoacomponent,andthentheywereraised

by3mmusingthepull/pushtooltocreate

theboomhandles.

Arectanglewasthenmadeontopofthehandles,andthemetal

mul:-tool’scomplexshapeswere

cutoutandremoved.

Whenalltheareaswerecutoutforthe

tools,itwasraisedby3mmusingthe

pull/pushtooltocreatethemetal-mul:tool.

Bothboomhandles(whichareiden:cal

components)wereduplicatedandmoved

toabovethemetalmul:-toolpart.Themove/copytoolwasusedtodothis.

Finallyallpartsmaterialswerespecified.

Forallplas:cparts,ablueplas:cwas

chosen.Forthemetal,agraymetalmaterialwaschosen.

ShownbelowisaprocedurechartthatIhaveproducedshowingthestagesofcrea8ngmy1 st CADdrawingonGoogleSketchUp.

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SawEdge

SerratedEdge

6Posi;on

Wrench

Hook

Sharp

Edge

Bo#leOpener

Bu#erfly

Wrench

Handle/casecutsothatitfitsaround

thehumanhand(Ergonomic)

Screwdriver

Iusedmyhanddrawnsketches,tocreateaCADdrawingusinga

programcalled2Ddesign.Whenthesedrawingsweredone,I

thenusedthemetalmul:-tooldrawingasatemplatetocutout

alloftheholesandtotransformitfromathinmetalbarintoa

tool,withmanyfunc:ons.

Handle/casecutsothatitfitsaround

thehumanhand(Ergonomic)

Ma#hewLane–DoubleAwardGCSEEngineering

Spacer–Toseparateplas;c

layers,toallowthemetalto

encloseinthecase.

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Weneededtotestourdesignstoseeifourconceptsanddesignsareactuallypossible

tocreateandtoseeiftheyfulfiltheirpurpose.Modelsplayimportantrolesin

engineering.Theyareneededtofindanyfaultsintheopera:onsofaproduct.Theyare

essen:altothefinaldesignprocesses!Bymakingmodelswecanalterdesignsandfind

errorsinthedesignwhichcanbemodifiedsothattheproductcanbemademore

ergonomicoranthropometricsuitedtoahumanuser.

WemadeourfirstmodelsoutofCard/Cardboard.Weusedapencilandrulertomark

outthedimensionsonthematerial.Thenweusedascalpelandacungboardtocut

thematerial,intothedesiredsizes.

Problems

1. Handle/caseistoolargeforthemetalmul:-toolpiece.

2. Handle/casedoesnotfullyrotatetohidethemetalmul:-toolcomponentduetothe

handlebeinglargerinwidththanthemetalmul:-tool,thusthedevicecannotproperly

‘close’.

3. Handle/casecornersneedtobecurvedsothattheplas:cslidesagainsteachothereasily.

Modifica;ons&Adjustments

1. Makethehandle/casesmallersothatitisinasimilarpropor:onofthesizeofthe

metalmul:-tool.

2. Reducingthesizeofeachhandle/case,sothatisacorrectsizeandhidesthemetal

mul:-toolwhen‘closed’.

3. Makethehandle/casehavecurvedcorners,sothatthecornersoftheplas:cdonot

collidewitheachother.

Ma#hewLane–DoubleAwardGCSEEngineering

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Ma#hewLane–DoubleAwardGCSEEngineering

Thesecondmodelwasalsomadeoutofcardboard,usingthesamemethodsusedtocreatethe1stModel.

Theproblemsfromthepreviousmodelhavebeenrec:fiedbymakingthemodifica:ons&adjustmentsrequired.

Thehandle/casehasbeenmadesmallersothatitisasimilarsizetometalmul:-tool,andthecornersofthehandle/

casehavebeenmaderoundedsotheycanslideeasierpasteachother

Thebiggestchangeinthe2ndModelisthatergonomicsandanthropometricshavealsotakenintoaccount,unlike

the1stmodel.

Problems

1. Cutoutsfromcase/handlecouldbemademoreergonomic.

2. Handle/caserota:onac:oncouldbefurtherimproved.

Modifica;ons&Adjustments

1. Cutouts-Needtobeadjustedbychangingposi:onsandsizesofcutouts.•  FingerCutoutsneedtobemovedfurtherdownthehandle/case.

•  Wherehandsitsintothehandlecutout(thumb–indexfingerspacing)-Sizeandloca:onofcutoutneeds

tobeadjusted

•  Cutoutneedstobemovedfurtherupthehandle/case

•  Cutoutneedstobemadelargerindepthandwidertoaccommodatethehumanhandbeer.

2. Furtherimprovehandle/caserota:onac:onbykeepingmeasurementsofbothhandlesthesame.Thedrilled

holesonthemetalneedtobeanequaldistanceapart,sothatbothhandlescanfullyrotateto‘close’.

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Forthethirdmodel,Iusedthe2DdesignsIshowedearlierofmymul:-tooltocutoutaCardModelusing

aCAMmachine.Inthiscaseitwaslasercuer.Thelasercueruseslaserstocutmaterialsintoshape.

Theotherop:onwastocutthematerialusingascalpel.Whencungoutbyhand,humanerrorcan

occur,whichcannothappenwhenusingtheCAMmachine.UsingtheCAMmachineismoreaccurate&

precisethancungthecardoutbyhand,thereforegivingabeer,moreaccuratemodel.

Inthismodel,Ihavebeenabletoadjustthecutoutsonthehandle/casesothatitismoreergonomicfor

thehumanhand.Usingacomputertodesignthetool,Ihavetheadvantageofbeingabletoseea

visualisa:onofwhatthecutoutcomponentswouldlooklikeifitweretobeprinted,improvingthe

design.

AnotheradvantageofdesigningthetoolonthecomputeristhatIplantocutmyhandle/caseoutusinga

CAMmachine.ThismeansthatIcanusethedesignsI'veusedtocreatethiscardmodeltocreatethefinal

versions,whichwillbeinplas:c.

Problems

Nomajorproblems–Allpreviouserrorshavebeenadjustedorchanged.

Ma#hewLane–DoubleAwardGCSEEngineering

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Alongwithourmul:-tool,atorchneededtobedeveloped.Forthisproduct,wehadtodesign,createandconstructthe

light’selectroniccircuitandit’scasing.

ThelightselectroniccircuitwasdesignedusingYenkaElectronics.WhenIhadthenecessaryelectroniccomponents,such

astheprintercircuitboard(PCB),LED,baery,baeryholder,switchandresistor,theelectroniccircuitwasthencreated

bysolderingthenecessarycomponentstothePCBboard,usingsolderandasolderingiron.Theelectroniclightwasnow

completedandamethodofhousingtheelectroniccomponentswereneeded.

Acaseforthelightwasalsorequired,tohousetheelectroniccomponents.Idesignedthelight’scaseonaCADprogram

called2DDesign.WhenthedesignwascompleteitwassenttotheC.A.M(Computeraidedmodelling)machine,whichis

thelasercuer.Whenallplas:cpartswerecompletelymanufactured,theywerethenassembledtogether,andthen

electroniclightwassecuredintothecasesothatthelight’sswitchisabletobeturnedonandofffromoutsidethecase.

Anotherplas:ccomponentwasalsodesignedwhichaachestotheboomofthelight’scasing,sothatthelightcanfit

securelyonthemetalmul:-toolwhenitisclosed.Thispieceofplas:cismouldedsothatitfitsintothespacewhichis

cuttomakethecase/handlemoreergonomic,thereforewhenthemetalmul:-toolisshuttheLEDlightcanfitsecurely

inthemul:-toolscase.

2DDesignofTopFace

ofthePlascCase

ThecompletedLEDLightElectronicBoardThecompletedLEDLightCase-Assembled

Ma#hewLane–DoubleAwardGCSEEngineering

 AlltheLEDLightComponents

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Casecutso

thatitfits

aroundthe

humanfingers

(Ergonomic)

Casecutso

thatitfits

aroundthe

humanfingers

(Ergonomic)

Ma#hewLane–DoubleAwardGCSEEngineering

Plas;ccutsothatitfits

aroundthemul;-tool

case,tosecuretheLED

LighttotheMul;-tool

(Whenfullyclosed)

AreacutoutforLED

Areacutoutfor

Light’sswitchtobe

turnedon/off

Curvedcornersfor

be#erfinish

Thelightwhichwasmadeneededacasetoencloseandhousetheelectroniccomponents.Thiswouldmakethelightmorevisuallyarac:ve,

easiertoholdandmakingthelightmorerobustsoitislesspronetobreaking.Idesignedthelight’scasingonaCADprogramcalled2DDesign.

UsingtheprogramImadethetemplateforallplas:cparts.Aplas:ctopforthecasewasneeded,whichhasanareacutoutofitinthecentreto

allowtheLEDlighttobeeasilyturnedonandoff,aswellasplas:cspacerswhichallowfortheelectroniccomponentstofitwithinthecase.A

plas:cboomisalsorequired,whichhasaslideronitthatallowsustoaccessthelight’sbaery,ifitneedstobereplaced.Thefinalplas:cpart

isapieceofplas:cwhichaachesontotheboomofthelight’scase(ontheplas:cslidersothatwecans:llaccessthebaery).Thisplas:cis

cutinwaywhichwillallowittofitaroundthemul:-tool’sergonomiccutouts,whichallowstheLEDlighttobesecurelyaachedtothemul:-

toolwhenitisclosed.

Alltheplas:ccasecomponentshavebeenmadeergonomicsothattheyfitaroundthehumanhand,toallowittobeheldcomfortablyina

hand.Thelightscaselooksverysimilartothemetalmul:-tool,whichhasnearlyiden:caldesignsonthetopofthehandle/case.Therefore,both

products,wouldworkasapackage.

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Ma#hewLane–DoubleAwardGCSEEngineering

BelowareallthreecircuitdesignsIconsideredwhenIwasdesigningtheelectroniccircuitsonYenkaElectronics.Ihadtoconsiderallthe

circuitsIdesignedandmakeafinaldecisiononwhatlightwouldbemoreappropriateforthelight’spurpose.

FirstDesign SecondDesign ThirdDesign

Forthisdesign,Iconsideredusingmorethanone

LEDinaparallelfashion.PungtheLED’sina

parallelpaerninsteadofaseriespaernisbeer

becauseifanLEDbrokeinaseriescircuit,the

wholecircuitwouldfailduetothecircuitnotbe

complete.HavingthecomponentsinaParallel

circuitallowsthecircuittos:llworkifanLED

broke,astheelectroniccurrentcancon:nue

throughanalterna:vewire.Ithasanon/off

switch,whichiseasiertousethananalterna:ve

pushswitch.

Advantages

HavingmoreLEDswouldcreatealargerlight.

Disadvantages

MoreLEDswouldmeantherewouldbedrainon

thebaery.

Unlikethefirstandthirddesign,itonlyhasoneLED,

thereforeitwouldcreatelesslight,butwouldrequire

lesselectricalenergy,andshouldsavebaerylife.It

alsohasaon/offswitch.

Ichoosethisdesignfortheelectroniclight.Ibelieve

havingmorethanoneLEDisunnecessarilyandan

on/offswitchisessenal,asapushswitchhastobe

connuallyhelddown,andwouldbeannoyingto

use,asyouwantalighttostayon.

Advantages

LessLEDswouldmeantherewouldbelessonthe

baery.

Disadvantages

LessLEDsthandesigns1&2-Lesslightduetoone

LED.

Forthethirddesign,IconsideredusingtwoLEDs.

BothLEDsareinaseriesfashion.Thismeansthat

thewholecircuitwouldfailifoneoftheLEDbroke

becausethecircuitnotbecomplete,duetothe

brokencomponent.Unlikethefirstandsecond

design,ithasapushswitchinsteadofaon/off

switch.Havingapushswitchisgoodforhavinga

lightonforashortamountof:mebutcanbe

annoyingtouseifyouwanttousethelightfor

longperiodsof:me.

Advantages

HavingmoreLEDswouldcreatealargerlight.

Pushswitcharegoodtouseforshortamountsof

:me.

Disadvantages

Pushswitchcanbeannoyingtouseforlong:mes.

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 S a w E d g e

Plas;c

handle/case

Screwdriver

 Se r ra ted Ed ge

6Posi;on

Wrench

Hook

Sharp

Edge

Bo#leOpener

Handle/casecutsothatit

fitsaroundthehuman

fingers(Ergonomic)

NutfasteningPlas;c,

Metal,Plas;c‘Sandwich’

Bu#erfly

Wrench

Ma#hewLane–DoubleAwardGCSEEngineering

Thisismyfinal3DCADdesignofmymul:-tool.ItwascreatedusingtheCADprogramcalledGoogleSketchUp.ThisCADdrawinghas

modifica:onsmadesincetheoriginalCADsketchupIcreated.TheoriginalCADsketchwasanalysedandideaswhichwereplausiblewere

con:nuedinthedesignideasprocess.Iwantedtokeepthesamemul:-purposetoolsinthefinalproductandIalsowantedtofurtherdevelop

therota:nghandlesidea,tofullyenclosethemetalmul:-toolwhenbothhandlesrotatetogether,soitactsasacase.AnotherreasonwhyI

wantedtocon:nuethedevelopmentofthisideawasbecauseitsanewconcept.DuringmyresearchIdidnotfindaproductwiththesametool

erec:ngfunc:on,thereforethisproductisannewinnova:oninmul:-tooltechnology,andshouldaractcustomersduetoitbeingoriginal.

The3DCADdesignshownbelowishowIhopeforthefinalfinished

 producttolooklike,withiden8caltoolsandfunc8ons! 

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Ma#hewLane–DoubleAwardGCSEEngineeringCentreNumber:68870 SpringTerm2010

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Ma#hewLane–DoubleAwardGCSEEngineering

Introducingthebrandnewinnova;veMul;-toolMLLtd.

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Themul;-toolishardwearingasitismadefrommildsteeland3mmAcrylic.Thereveryli#le

thistoolcandoineverydayDIYwork.Herearesomeofthethingsitcanachieve:

Ma#hewLane–DoubleAwardGCSEEngineering

OpeningaCornBeefCan

(BuerflyOpener)

Cungacardbox

(SerratedEdge)

TighteningaScrewintoWood

(ScrewDriver)

CungsomeWood

(SawEdge)

OpeningaBole

(BoleOpener)

PullingaTentPegfromsomeGrass

(BoleOpener)

FasteningaNut

(6PosionWrench)

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Ma#hewLane–DoubleAwardGCSEEngineering

Thistoolhasevolvedfrommanyhanddrawn

designs,toafullyfunc:oningproduct,storming

theDIYmul:-toolmarket!

CADMockUpoftheMul-tool

HanddrawndesignoftheMetalTool.

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Ma#hewLane–DoubleAwardGCSEEngineering

I have produced a brainstorm of all my products possible target

audiences, locations of use, tools and activities. I have presentedthem in a mind map diagram, using a program called eMindmaps.

8/8/2019 Unit2AExemplar

http://slidepdf.com/reader/full/unit2aexemplar 35/39

Forthethirdmodel,Iusedthe2DDesigntodesigntheparts.Itwascutusingthelasercuer.Thelaser

cueruseslaserstocutmaterialsintoshape.Theotherop:onwastocutthematerialusingascalpel.

Whencungoutbyhand,humanerrorcanoccur,whichcannothappenwhenusingtheCAMmachine.

UsingtheCAMmachineismoreaccurate&precisethancungthecardoutbyhand,thereforegivinga

beer,moreaccuratemodel.

Inthismodel,Ihavebeenabletoadjustthecutoutsonthehandle/casesothatitismoreergonomicfor

thehumanhand.Usingacomputertodesignthetool,Ihavetheadvantageofbeingabletoseea

visualisa:onofwhatthecutoutcomponentswouldlooklikeifitweretobeprinted,improvingthe

design.

AnotheradvantageofdesigningthetoolonthecomputeristhatIplantocutmyhandle/caseoutusinga

CAMmachine.ThismeansthatIcanusethedesignsI'veusedtocreatethiscardmodeltocreatethefinal

versions,whichwillbeinplas:c.

Problems

Nomajorproblems–Allpreviouserrorshavebeenadjustedorchanged.

Ma#hewLane–DoubleAwardGCSEEngineering

8/8/2019 Unit2AExemplar

http://slidepdf.com/reader/full/unit2aexemplar 36/39

SawEdge

SerratedEdge

6Posi;on

Wrench

Hook

Sharp

Edge

Bo#leOpener

Bu#erfly

Wrench

Handle/casecutsothatitfitsaround

thehumanhand(Ergonomic)

Screwdriver

Iusedmyhanddrawnsketches,tocreatea

CADdrawingusingaprogramcalled2D

design.Thishelpedmyfurtherdevelopmy

tool!

Handle/casecutsothatitfitsaround

thehumanhand(Ergonomic)

Ma#hewLane–DoubleAwardGCSEEngineering

Spacer–Toseparateplas;c

layers,toallowthemetalto

encloseinthecase.

8/8/2019 Unit2AExemplar

http://slidepdf.com/reader/full/unit2aexemplar 37/39

 S a w E d g

 e

Plas;c

handle/case

Screwdriver

 Se r ra ted Ed ge

6Posi;on

Wrench

Hook

Sharp

Edge

Bo#leOpener

Handle/casecutsothatit

fitsaroundthehuman

fingers(Ergonomic)

NutfasteningPlas;c,

Metal,Plas;c‘Sandwich’

Bu#erfly

Wrench

Ma#hewLane–DoubleAwardGCSEEngineering

ThistoolhasevolvedfrommanyhanddrawndesigntoCADsketches.Thedesignhas

gonethroughmanybeneficialmodifica:onstofinallybecomethecompleted

MLMul;-Tool

8/8/2019 Unit2AExemplar

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Ma#hewLane–DoubleAwardGCSEEngineering

ThetoolalsoincorporatesadetachableLEDlight.

8/8/2019 Unit2AExemplar

http://slidepdf.com/reader/full/unit2aexemplar 39/39

Ma#hewLane–DoubleAwardGCSEEngineering

FinalCADDesigncomparedtotheFinalProduct.

TheLEDLight,which

comeswiththetool!

“Withmagnectechnologytolockthetoolintoposion!”