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7/23/2019 elemen-mesin PRESENTASE
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BAB 1BAB 1KEKUATAN dan TEGANGANKEKUATAN dan TEGANGAN
NAMANAMA : MUHAMMAD NUR HIDAYAT: MUHAMMAD NUR HIDAYATKELASKELAS : ME 2C: ME 2C
NONO : 15: 15
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PENDAHULUANPENDAHULUAN
Elemen MesinElemen Mesin
Me!de dan "#!ses "e#en$anaan se#a "e#an$an%anMe!de dan "#!ses "e#en$anaan se#a "e#an$an%an
&a%ian'&a%ian "e#mesinan (n() memen(*i&a%ian'&a%ian "e#mesinan (n() memen(*i )e&((*an)e&((*ane#en(+e#en(+
S(a( #an%)aian mesin ,an% e#di#i da#i &e&e#a"aS(a( #an%)aian mesin ,an% e#di#i da#i &e&e#a"a
)!m&inasi ,an% di#an$an% den%an )!nse" ,an% e"a-)!m&inasi ,an% di#an$an% den%an )!nse" ,an% e"a-
se*in%%a da"a &e)e#.a den%an &ai) se&a%ai sa(se*in%%a da"a &e)e#.a den%an &ai) se&a%ai sa(
)esa(an+)esa(an+
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T(.(an "e#en$anaan dan "e#an$an%an :T(.(an "e#en$anaan dan "e#an$an%an :
Un() men%ea*(i .enis sam&(n%an dalam e)n!l!%iUn() men%ea*(i .enis sam&(n%an dalam e)n!l!%i"e#mesinan-"e#mesinan- mema*ami me)anisme )e#.a danmema*ami me)anisme )e#.a dan
mendee)si &a%ian'&a%ian mesin- se#a men%(asaimendee)si &a%ian'&a%ian mesin- se#a men%(asai
me!de "e#*i(n%an )e)(aan+me!de "e#*i(n%an )e)(aan+
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Be&e#a"a "e#im&an%an "e#en$anaan dan "e#an$an%anBe&e#a"a "e#im&an%an "e#en$anaan dan "e#an$an%an
elemen mesin :elemen mesin :
1+ /em&e&anan1+ /em&e&anan2+ 0enis elemen ,an% &e#%e#a)2+ 0enis elemen ,an% &e#%e#a)
+ Sia mae#ial &a*an+ Sia mae#ial &a*an
3+ Kela,a)an "ema)aian ,an% e)!n!mis3+ Kela,a)an "ema)aian ,an% e)!n!mis
5+ 4a)!# )eamanan5+ 4a)!# )eamanan
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/em&e&anan L!adin%6/em&e&anan
L!adin%6Ga,a ,an% &e)e#.a "ada s(a( &idan%+ S(m&e#Ga,a ,an% &e)e#.a "ada s(a( &idan%+ S(m&e#
&e&an men$a)(" ene#%i #ansmisi- &e#a elemen-&e&an men$a)(" ene#%i #ansmisi- &e#a elemen-
*am&aan %ese) dan m!men ine#sia+*am&aan %ese) dan m!men ine#sia+
0enis'.enis "em&e&anan :0enis'.enis "em&e&anan :
a+ Be&an ea"a+ Be&an ea"
&e&an e#"(sa- &e&an me#aa- &e&an e#a(# dan&e&an e#"(sa- &e&an me#aa- &e&an e#a(# dan
&e&an ida) e#a(#+&e&an ida) e#a(#+
&+ Be&an ida) ea"&+ Be&an ida) ea"$+ Be&an )e.($+ Be&an )e.(
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Te%an%an S#ess6Te
%an%an S#ess6
Be&an %a,a seia" sa(an l(as &idan% ,an%Be&an %a,a seia" sa(an l(as &idan% ,an%
mena*an &e&an+mena*an &e&an+
0enis'.enis e%an%an :0enis'.enis e%an%an :
a+ Te%an%an n!#mala+ Te%an%an n!#mal
' Te%an%an a#i) ensile6' Te%an%an a#i) ensile6
' Te%an%an e)an $!m"#essi7e6' Te%an%an e)an $!m"#essi7e6
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&+ Te%an%an %ese# s*ea#6
$+ Te%an%an len(# &end6$+ Te%an%an len(# &end6MM
σσ 88
99
M 8 M!men ine#siaM 8 M!men ine#sia
9 8 M!d(l(s l(as9 8 M!d(l(s l(as
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d+ Te%an%an "(ni# d+ Te%an%an "(ni#
GG # T # # T #
ττ = = ==
ℓ ℓ I I
G 8 M!d(l(s #i%idiasG 8 M!d(l(s #i%idias
8 S(d( "(ni# 8 S(d( "(ni#
# 8 0a#i'.a#i# 8 0a#i'.a#i
ℓℓ 8 /an.an%8 /an.an% I 8 M!men ine#sia "!la# I 8 M!men ine#sia "!la#
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Re%an%an S#ain6Re%an%an S#ain6
/e#am&a*an "an.an% de!#masi6 se&(a*/e#am&a*an "an.an% de!#masi6 se&(a*
&enda;l!%am men.adi le&i* "an.an% da#i &en()&enda;l!%am men.adi le&i* "an.an% da#i &en()
sem(lasem(la
0enis'.enis #e%an%an :0enis'.enis #e%an%an :
a+ Re%an%an linie# a+ Re%an%an linie#
&+ Re%an%an lae#al&+ Re%an%an lae#al
$+ Re%an%an 7!l(me#i)$+ Re%an%an 7!l(me#i)d+ Re%an%an %ese#d+ Re%an%an %ese#
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M!d(l(s Elasisias M!d(l(s Y!(n%6
Adala* *(&(n%an ana#a e%an%an dan #e%an%an+
σ
E 8<
E 8 M!d(l(s elasisias
σ 8 Te%an%an< 8 Re%an%an
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Dia%#am e%an%an'#e%an%anDia%#am e%an%an'#e%an%an
σσ Kee#an%an :Kee#an%an :
OA 8 Dae#a* elasisOA 8 Dae#a* elasis
DD AB 8 Dae#a* "lasis AB 8 Dae#a* "lasis
BC 8 Dae#a* l(l(*BC 8 Dae#a* l(l(*
D 8 Tii) (limaeD 8 Tii) (limaeBB CC EE E 8 /aa* ail(#e6E 8 /aa* ail(#e6
A A
== <<
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PENGUJIAN KEKERASANPENGUJIAN KEKERASAN
> /en%(.ian Ke)e#asan adala* sa( da#i se)ian &an,a)
"en%(.ian ,an% di"a)ai- )a#ena da"a dila)sana)an
"ada &enda (.i ,an% )e$il an"a )es()a#an men%enais"esii)asi+
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Ke)e#asan .(%a dideinisi)an se&a%ai )emam"(an s(a(Ke)e#asan .(%a dideinisi)an se&a%ai )emam"(an s(a(
mae#ial (n() mena*an &e&an idenasi aa( "ene#asimae#ial (n() mena*an &e&an idenasi aa( "ene#asi
"ene)anan6+ Did(nia e)ni)- (m(mn,a "en%(.ian"ene)anan6+ Did(nia e)ni)- (m(mn,a "en%(.ian
)e)e#asan men%%(na)an 3 ma$am me!de "en%(.ian)e)e#asan men%%(na)an 3 ma$am me!de "en%(.ian)e)e#asan- ,a)ni :)e)e#asan- ,a)ni :
1+ B#innel HB ; BHN61+ B#innel HB ; BHN6
2+ R!$)?ell HR ; RHN62+ R!$)?ell HR ; RHN6
+ @i)e#s H@ ; @HN6+ @i)e#s H@ ; @HN6
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Sedan%)an "en%(.ian R!$)?ell $!$!) (n() sem(a mae#ialSedan%)an "en%(.ian R!$)?ell $!$!) (n() sem(a mae#ial
,an% )e#as dan ,an% l(na)- "en%%(naann,a sede#*ana dan,an% )e#as dan ,an% l(na)- "en%%(naann,a sede#*ana dan
"ene)anann,a da"a dila)()an den%an lel(asa+ Ta&el di &a?a*"ene)anann,a da"a dila)()an den%an lel(asa+ Ta&el di &a?a*
men(n.())an &a%aimana memili* s)ala #!$)?ell+men(n.())an &a%aimana memili* s)ala #!$)?ell+
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/en%(.ian )e)e#asan B#inell me#("a)an "en%(.ian sanda#d/en%(.ian )e)e#asan B#inell me#("a)an "en%(.ian sanda#d
se$a#a ind(s#i- ea"i )a#ena "ene)ann,a e#&(a da#i &!la &a.ase$a#a ind(s#i- ea"i )a#ena "ene)ann,a e#&(a da#i &!la &a.a
,an% &e#()(#an &esa# dan &e&an &esa#- ma)a &a*an l(na) aa(,an% &e#()(#an &esa# dan &e&an &esa#- ma)a &a*an l(na) aa(
)e#as se)ali ida) da"a di()(# )e)e#asann,a+)e#as se)ali ida) da"a di()(# )e)e#asann,a+
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/emili*an masin%'masin% s)ala me!de "en%(.ian6 e#%an(n% "ada :/emili*an masin%'masin% s)ala me!de "en%(.ian6 e#%an(n% "ada :
a+ /e#m()aan mae#iala+ /e#m()aan mae#ial
&+ 0enis dan dimensi mae#ial&+ 0enis dan dimensi mae#ial
$+ 0enis daa ,an% diin%in)an$+ 0enis daa ,an% diin%in)and+ Kee#sedian ala (.id+ Kee#sedian ala (.i
/en%(.ian Ke)e#asan den%an me!de : B#innel- R!$)?ell dan @i$)e#s/en%(.ian Ke)e#asan den%an me!de : B#innel- R!$)?ell dan @i$)e#s
men%%(na)an:men%%(na)an:
Ala; /en%(.ian Ala; /en%(.ian
Benda U.i es s"e$imen6Benda U.i es s"e$imen6,an% &e#(.(an (n(),an% &e#(.(an (n() Mema*ami $a#a Men%(.i Ke)e#asan l!%amMema*ami $a#a Men%(.i Ke)e#asan l!%am
den%an )ei%a Me!de e#se&(den%an )ei%a Me!de e#se&(
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DIARGAM ALIR UJI KEKERASAN LOGAMDIARGAM ALIR UJI KEKERASAN LOGAM
Men,ia")an S"e$imen:
'Ba.a
'Besi C!#
'Tem&a%a
' Al(m(ni(m
Men%%#inda
Men%am"elas
/en%(.ian )e)e#asan
Masin%'masin% da#i i%a me!de6
/en%am&ilan Daa
Mem!!n% S"e$imen:
'U)(#an : 5 s;d mm
'Ha#(s #aa
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ALAT UJI KEKERASAN MATERIALALAT UJI KEKERASAN MATERIAL
LOGAMLOGAM
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GAMBAR MACAM-MACAM MEDIA PENGUJIANGAMBAR MACAM-MACAM MEDIA PENGUJIAN
BRINELLROCKELL @ICKERS
Untuk pengujian Vickers, belum dilakukan / dipraktikumkan.
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FAKTOR KEAMANAN UNTUK BERMACAM MACAMFAKTOR KEAMANAN UNTUK BERMACAM MACAM
MATERIAL dan PEMBEBANANMATERIAL dan PEMBEBANAN
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TERIMAKASIH :TERIMAKASIH :