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7/21/2019 Fatigue Free Trolley for Industry
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Fatigue free trolley
for industryProject guide : Prof. BHASKAR
Project members : KARTHIKEYAN M(09BME029
PREM K!MAR E (09BME062
7/21/2019 Fatigue Free Trolley for Industry
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I"troductio": T#is is $roject is %bout f%bric%tio" of "e& 'i"d
of c%rri%ge troe)s* t#%t c%" be used to c%rr)o%ds i'e scr%$s* +"is#ed $roducts from % s#o$
,oor to &%re #ouse or %") $%ce to store it. T#e desig" str%teg) be#i"d t#is troe) is
s$ri"gs.
B%sic c#%r%cteristic of s$ri"g is im$eme"ted
#ere.S$ri"g c%" store e"erg) o" o%di"g co"ditio"
%"d c%" ree%se duri"g u"o%di"g. T#is $ri"ci$eof s$ri"g i" i"cuc%ted #ere* to reduce t#e
f%tigue of me" duri"g u"o%di"g.
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Probem &it# e-isti"g
troe) T#e curre"t) %%i%be c%rri%ge troe) i"
i"dustries %re used to c%rr) o%ds from o"e $%rtof s#o$ ,oor to %"ot#er * m%) be from &or'
$%ce to &%re #ouse %"d it re/uires %ssist%"tfrom me" &#ie o%di"g0u"o%di"g %"dtr%"s$ort%tio".
1o%di"g t#e scr%$s0+"is#ed $%rt i"to troe) is
%s sim$e %s t#ro&i"g % sto"e i"to %'e * it c%"be do"e &it# ess e2ort.
T#e $robem occurs &#ie u"o%di"g.
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Probem &it# e-isti"g
troe)!"o%di"g t#e scr%$s0+"is#ed $%rts $rese"t %t
t#e to$ is er) e%s) %s o%di"g.
T#e me" #%s to e%" to m%-imum e-te"d &#ieu"o%di"g t#e scr%$s0+"is#ed $%rts %%i%be %tt#e bottom of t#e troe).
As #e co"ti"uous) e"g%ge #imsef i" t#ise%"i"g %ctio" for "umber of times* t#e f%tigue
is bei"g f%ced b) #imBec%use of t#is f%tigue* t#e s$eed &it# &#ic#
#e &or's gets reduce %"d so t#e $roductiit).
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Probem &it# e-isti"g
troe)Eer) i"dustries %ims %t i"cre%si"g its
$roductiit) to m%i"t%i" its st%"d%rds i" m%r'et
Bec%use of t#ese sm% $robem t#e dre%m of
boosti"g $roductiit) decre%ses.
A re%tio" e-ist bet&ee" &or'er3s f%tigue %"d$roductiit)
Worker’s fatigue
Productivity
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Issue : 4 reduce &or'er3s f%tigue
&#ie u"o%di"g from troe)5
!si"g robots tou"o%d
A") #)dr%uics)stem to iftt#e bottom$%rts
!si"gs$ri"g to iftt#e b%se %s
u"o%di"g isoccurri"g
!si"g %seco"d%r)&eig#t %s i"
&eig#tb%%"ce
I"cre%si"g t#em%" $o&er for
o"e &or'
No &%) it c%"tbe curt%ied
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Soutio" s#oud be:6ost e2ectie
Rei%be
7eig#t of troe) s#oud be i"cre%sed
E2ort $ut &#ie moi"g troe) s#oud "ot bei"cre%sed
E"dur%"ce of t#e desig" s#oud be #ig#
7it#st%"d "umerous "umber of o%di"g %"du"o%di"g &it#out f%iure
1ess $o&er source to o$er%te t#e mec#%"ism
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Soutio" fou"d:
!si"g s$ri"g to ift
t#e b%se %su"o%di"g isoccurri"g
6ost e2ectie :
Rei%be :
7eig#t of t#e troe) :
8orce to moe t#etroe):
6)ce of
o%di"g0u"o%di"g:
Not i"cre%sed
S%me %sbefore
9er) #ig#
7/21/2019 Fatigue Free Trolley for Industry
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8%tigue free troe) :
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S'eeto" $%rts :%s s$ri"g.
Su$$ort i"'
; su$$ortE-te"sio" s$ri"gs
Roers
<"e i"c# #oo& b%rs
B%se= %umi"um
Mid stee fr%mes
7/21/2019 Fatigue Free Trolley for Industry
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c%rrier
Su$$ort i"'
%s s$ri"g
B%se
roers
; su$$ort
ISOMETRIC VIEW
7/21/2019 Fatigue Free Trolley for Industry
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Hi"ged e"d
Su$$ort i"'
uide r%is forroers
FRONT VIEW
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6o"ce$t desig"
>r%fti"g desig"
6A>> desig"
8%bric%tio"
Process flow
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%s s$ri"g :
%s s$ri"g is % t)$e of s$ri"g t#%tuses % com$ressed g%s i'e Nitroge"*co"t%i"ed i" % c)i"der %"dcom$ressed b) % $isto" to e-ert %
force. 6ommo" %$$ic%tio"s i"cude%utomobies ( &#ere t#e) %rei"cor$or%ted i"to t#e desig" of struts
t#%t su$$ort t#e &eig#t of #%tc#b%c'doors &#ie t#e) %re o$e" %"d %soi" o?ce c#%irs. If t#e i"ter"% $u"ger #%s %di%$#r%gm &#ic# e-te"ds to t#e side oft#e g%s tube* it &i ce%se to moe
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%s s$ri"g s$eci+c%tio":
Stro'e e"gt# : 160 mm
S#ouder e"gt# : 320 mm