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NOMENKLATOR

SIMBOL KETERANGAN SATUAN

c

CS

C1

d

D

G

Gc

Hf

k

K

n

σ

W

δ

τ

K

f

Indeks Pegs

Ke!"ngg#n K$% Te#&sng

Ke!"ngg#n K$% Lend'%n Mks

D()e%e# K$%

D()e%e# R%*#% Pegs

M"d'!'s Gese#

Pn+ng Pegs S"!(d

Pn+ng Pegs Be,s

K"ns%n% Pegs

-k%"# Ke%egngn W.!

/')!. L(!(%n Ak%(f

M")en P'n%(#

Be,n

Def!eks(0!end'%n

Tegngn Gese#

-k%"# Tegngn W.!

Lend'%n ng Te#+d(

*

))

))

))

))

*

))

))

N0))

*

,'.

N2))

N

))

N0c)3

*

)

Tugas Perencanaan Elemen Mesin I 1


2/26

BAB I

PENDAHULUAN

1.1. Latar Belakang Masalah

S!. s%' k")&"nen "%")"%(f 4ng sng% 5(%! d!. s(s%e) s's&ens(2

S(s%e) s's&ens( ,e#f'ngs( 'n%'k )e#ed) ge%#n g# d&% )e)&e#"!e.

ke)nn dn ken4)nn 'n%'k ,#ng6 &en')&ng dn &engend# (%' send(#(2

Ge%#n 4ng ,e#!e,(.n (%' ,(s d%ng d#( &e#)'kn +!n %' dn4 ge%#n

)es(n d#( kend#n (%' send(#(2 Pd &e#encnn (n( &en'!(s )enc", 'n%'k

)e#ncng s(s%e) s's&ens( 'n%'k se&ed )"%"# 4(%' s(s%e) s's&ens( #"d de&n

'n%'k )"%"# Yamaha J!"ter M# 1$% &&2

1.$. Permasalahan

D!) %'gs &e#encnn (n( &en'!(s )end&% %'gs 'n%'k )e#encnkn

s."ck ,s"#,e# &d kend#n Yamaha J!"ter M# 1$% &&. 4ng )n &egs

(n( ,e#f'ngs( se,g( &e#ed) ke+'% #"d de&n d#( kend#n2 B.n &egs 4ng

d(&k( d!. ,+ &egs dengn k$% ,+ %ekn ke#s s%nd# /LS G 78312Be,n 4ng kn d(%e#() "!e. s."ck ,s"#,e#2

1.' T(an Penl"san

T'+'n &en'!(sn %'gs &e#encnn (n( d!. 9

12 Me#encnkn 'k'#n '%) s."ck ,s"#,e# #"d de&n Yamaha J!"ter

M# 1$% &&.

32 Me).)( k#k%e#(s%(k s's&ens( de&n se&ed )"%"# Yamaha J!"ter

M# 1$% &&.

1.). Batasan Permasalahan

K#en &e#)s!.n &egs 4ng k")&!eks dn )e)(!(k( ,e#,g( f'ngs(

dn s%#'k%'#6 )k &en'!(s .n4 )eng'#(kn %en%ng %e"#( ds# &egs dn

s."ck ,s"#,e#6 )e)&e#k(#kn !e%k %(%(k ,e#% d4 ngk'% kend#n6 d()ens(

&egs6 %ekn(k )n'fk%'# &egs6 dn )s!. 4ng )ends# d#( &egs 'n%'k

,e,n s."ck ,s"#,e# Yamaha J!"ter M# 1$% &&.



3/26


4/26

BAB IITEORI DA*AR PE,A*

$.1. -ngs" Pegas

Pegs d!. s'%' ,en%'k 4ng e!s%(s #%(n4 +(k d(,e#( ,e,n )k

&egs kn )eng!)( &e#',.n dengn &en4()&nn ke#+ ;ene#g( &"%ens(!<

k!' d(,$.kn &e#&(nd.n &egs %e#.d& g4 &e),e,nn -;$< )k

d(d&%kn g#(s &engen!2 G#(s &engen! 6 ,6 %' c d!) g),#2 Makin

curam garis pengenalnya, berarti makin keras pegasnya. Pd g#(s &engen!

4ng !'#'s ;n")(n!< )k c = d-0df = k"ns%n6 &d g#(s &engen! 4ng

"g#es(f , )k &egs dengn &eng),(!n f 4ng &!(ng ke#s ;d-0df

)enn+k


5/26


6/26

;&e#ed)n< k#en gesekn %' &e#',.n ,en%'k &!s%(s )k ene#g( 4ng

d(,e#(kn k'#ng d#( ene#g( 4ng d(),(!2 Kek'%n &egs d(%en%'kn "!e.

,es#n4 %egngn gese# %' %egngn !en%'#6 sedngkn kekk'n d(%en%'kn

"!e. )"d'!'s e!s%(s(%s %' )"d'!'s gese#n42 B(! %#(kn %' k")es(

,eke#+ &d &egs '!(#6 ,es#n4 )")en &'n%(# d!. %e%& 'n%'k se!'#'.

&en)&ng k$% 4ng ,eke#+2 /(k ,e,n d(.(!ngkn )k &egs kn ke),!(

ke,en%'k se)'! ;def"#)s( e!s%(s


7/26

,am+ar 1.$. R"n&"an s"stem ss!ens"

$.$. Ma&am2ma&am Pegas

Pegs d&% d(g"!"ngkn %s ds# +en(s ,e,n 4ng d(%e#() dn )en'#'%

c"#kn4 se,g( ,e#(k'% 9

12 Pegs '!(# %' s&(#!• Pegs %ekn ,am+ar $.$a/

• Pegs &'n%(# ,am+ar $.$&/

32 Pegs %#(k ,am+ar $.$+/

72 Pegs 5"!'% ,am+ar $.$3/

>2 Pegs d'n ,am+ar $.$e/

82 Pegs &(#(ng ,am+ar $.$4/

?2 Pegs c(nc(n ,am+ar $.$g/

Tugas Perencanaan Elemen Mesin I @


8/26

@2 Pegs ,%ng &'n%(# ,am+ar $.$h/

2 Pegs +)

2 Pegs k#e%

12 Pegs 'd#

Be#% 4ng #(ngn dn 5"!')en4 4ng kec(! &d ke#+ &egs

)e)'ngk(nkn &engg'nn &egs k#e%6 &egs c(nc(n ,e#n(!( %(ngg( d#( ,+6

dn k$% ,+ %(&(s 'n%'k &en#(kn2 Ke%(ngg(n k"ns%#'ks( 4ng #end.

)e),e#(kn ke)'ngk(nn &e)k(n*&e)k(n &egs %ekn ,(s6 &egs d'n

dn &egs ,%ng &'%# ;kend#n


9/26

,am+ar $.1. -aktr Tegangan 3ar" 5ahl

,am+ar $.$ Ma&am2Ma&am Pegas

;< Pegs %ekn ;f< Pegs &(#(ng

;,< &egs %#(k ;g< Pegs c(nc(n

;c< Pegs &'n%(# ;.< Pegs ,%ng &'n%(#

;d< Pegs 5"!'%

;e< Pegs d'n

Pegas Ul"r *!"ral/

Pegs '!(# ;.e!(c! s(ngs< d!. s'%' &egs dengn ,en%'k !(!(%n k$%

4ng )e!(ngk# se&e#%( &d '!(# ;s&(#!


10/26


11/26

$.'. Bahan Pegas

Pegs d&% d(,'% d#( ,e#+en(s*+en(s ,.n )en'#'% &e)k(nn42

B.n ,+ dengn &en)&ng !(ngk#n d!. 4ng &!(ng ,n4k d(g'nkn2

Pegs 'n%'k &e)k(n ')') dengn d()e%e# k$% s)&( 63 ))

,(sn4 d(,'% d#( k$% %#(k ke#s 4ng d(,en%'k d(ng(n %' k$% 4ng

d(%e)&e# )(n4k2 Un%'k d()e%e# k$% !e,(. ,es# d#( 63 )) d(,'% d#(

,%ng #"! 4ng ,e#,en%'k &ns se%e!. d(,en%'k )en+d( &egs2

BAHAN PE,A* *ILINDRI* MENURUT PEMAKAIANNYA

Pemaka"an Bahan

Pegs ,(s ;d(,en%'k &ns<

Pegs ,(s ;d(,en%'k d(ng(n<

Pegs %')&'n kend#n

Pegs 'n%'k k'%'& %eknn ke%e!

Pegs 'n%'k g5e#n"! kece&%n

Pegs 'n%'k k%'&

Pegs 'n%'k &e)'%# %e!e&"n6 &egs

'n%'k )en'%'& k)e#

Pegs 'n%'k d'd'kn6 &egs 'n%'k )(nn

Pegs 4ng d(!(#( #'s !(s%#(k

Pegs n%( )gne%

Pegs %.n &ns

Pegs %.n k"#"s(

SUP>6 SUP?6 SUP@6 SUP16 SUP11

SW6 SWP6 SUS6 BsW6 NSWS6 PDW6

BeC'W6 K$% d(%e)&e# dengn )(n4k

SUP>6 SUP?6 SUP@6 SUP6 SUP11

SWP6 SUP?6 SUP@6 SUP6 SUP16

SWP6 SUP>6 SUP86 SUP@6 K$%

d(%e)&e# dengn )(n4k

SPW:6 K$% d(%e)&e# dengn )(n4k

'n%'k &egs k%'&

SWP

SW

BsW6 NSWS6 PBW6 BeC'W

SUSU6 BsW6 NSWS6 PBW6 BeC'W SUS

SUS

SUS6 BsWS6 NSWSn PBW6 BeCUW



12/26


13/26

D&% d(s()&'!kn ,.$ .!*.! 4ng )ends# d#( %e"#( 4ng %e!.

d(ke)'kkn &d #encn &egs s&(#! d!. 9

12 Bes#n4 !end'%n 4ng d(((nkn

32 Bes#n4 ene#g( 4ng kn d(se#&

72 Pe#',.n keke#sn &egs k(,% dn4 ,e,n

>2 Bes# #'ngn 4ng d(sed(kn

82 C"#k ,e,n ;,e#%6 #(ngn6 %' %n& ke+'%n<

?2 L(ngk'ngn ke#+

$.%. Pere3am Ke(t *h&k A+sr+er/

Pd s'%' s(s%e) s's&ens(6 &e#ed) ke+'% &!(ng ,e#&e#n d!)

)enc(&%kn ken4)nn &d s% ,e#kend#2 -'ngs( '%) &e#ed) ke+'%

d!. )en4e#& ene#g( ke+'%n %' %'),'kn dn )e!e&skn s."ck ,s"#,e#

ke),!( ke &"s(s( se)'! sec# &e#!.n*!.n2 Dengn de)(k(n d&% d(ceg.

&ene#'sn ke+'%n ,n%(ngn ke ,dn kend#n se.(ngg %e#c(&% ken4)nn

dn ke)nn ,e#kend#2 Pd ')')n4 &e#ed) ke+'% ,e#,en%'k s(!(nde# dn

)engg'nkn (ns(& ke#+ .(d#'!(k ,am+ar $.6/.

,am+ar $.% Prses Pem+entkan Pegas



14/26

,am+ar $.6 Km!nen Pere3am Ke(t

$.6 Ukran Utama Pegas

$.6.1. Pan(ang Pegas *l"3 H&/

Ad!. &n+ng &egs s% &egs )end&% &e),e,nn d(%s ,e,n

)ks()') se.(ngg k$% &egs )ene)&e! s%' s) !(n2

Pe#s)nn4 9

Hc = nFd ;K.'#)(6 .!2 @8@<

n %"% = n 3

Dengn

nF = /')!. !(!(%n &s(f

n = /')!. !(!(%n k%(f

d = D()e%e# k$% &egs

$.6.$. Pan(ang Pegas Be+as H4 /

Ad!. &n+ng &egs d!) kedn s"!(%6 d(%),. dengn !end'%n

)ks()') se#% d(%),. dengn +#k n%# k$% &egs )ks()') ;d(),(!

1 ))


15/26

Dn &e#s)n !(nn4 9

;Hf< = Hc δ)ks S ;G2 N(e)n6 .!2 33<

= nF2d δ)ks 63 d2n

dengn 9

S = ;612267< d2n

δ)ks = !end'%n0def!eks( )ks()')

$.6.'. In3eks Pegas &/

Ad!. &e#,nd(ngn n%# d()e%e# !(!(%n dengn k$% &egs2

Pe#s)nn4 9c = D0d ;K.'#)(6 .!2 @8@<

D = D()e%e# g'!'ngn &e#%eng.n

d = D()e%e# k$%

$.6.). Knstanta Pegas k/

Ad!. )e),nd(ngkn n%# ,e,n 4ng d(%e#() "!e. &egs dengn

def!eks( 4ng d(%(),'!kn4 &e#s)nn42Dengn 9

K = W0δ ;K.'#)(6 .!2 @8@<

W = Be,n 4ng d(%e#() ;kg<

δ = Lend'%n &egs

$.6.%. P"t&h P/

Ad!. +#k n%# s k$% +(k &egs d!) kedn %n& %eknn

;,e,s %(dk d ,e,n 4ng ,eke#+


16/26

Un%'k &egs dengn &en)&ng k$% !(ngk#n 9

B(! &egs d(,e#(kn s'%' ,.n6 )k ,es#n4 )")en &'n%(# ;T< d!. 9

T =3

DW ;S"e!#s"6 .!2 718<

Dengn d()e%e# k$% d )k ,e#ds#kn &e#encnn )ekn(k

d(d&% %.nn &'n%(#n4 d!. 9

Se.(ngg % = P = 7Jd

WDA

K&

T=

D()n 9 πd30> L's &en)&ng k$%2

D(d&% 9

τ )ks = 3Jd

>2W

Jd

WDA+

τ )ks = 68c


17/26

H1 = Pn+ng &egs &d $k%' ,e,n )ks()')

= Hf * δ)ks

$.6.11. -aktr Kreks" Pa3a Pegas

Pe#,nd(ngn n%# &n+ng &egs ,e,n ;Hf < dengn d()e%e# !(!(%n

&egs ;D< .#'s k'#ng d#( 8 %' Hf 0D86 )k &,(! %e#+d( &e),e,nn6

k$% kn )eng!)( &e),engk"kn se.(ngg d!) &e#encnn d(&k(

Hf 0D = >632

Pd &e#encnn &egs %ekn &d kend#n ,e#)"%"# ,(sn4 !(!(%n

&egs d(!e%kkn &en4ngg ,e) 4ng d&% ,e#ge#k e!s%(s6 'n%'k )eng.(nd#(

&e),engk"kn2 Uk'#n ,e) d(ses'(kn dengn &egs %ekn2 Pd &egs %ekn

%e#d&% ,.46 &egs 4ng %(dk )n d(%ek'k .#'s d(#.kn dengn ,'s dn

&en2

Tugas Perencanaan Elemen Mesin I 1@


18/26


19/26

Berat ttal 5tt < $%;; N

Lngk. ,e#(k'%n4 )enen%'kn %(%(k ,e#% d#( k")&"nen k")&"nen

&"k"k kend#n %e#se,'%2

W!!

W)sn Wg, W%k W &1 W &3

W#k

,am+ar '.$. T"t"k +erat ken3araan terha3a! gar"s sm+.

Ke%e#ngn9

S)sn = /#k %(%(k ,e#% )es(n = >8 c)

S%k = /#k %(%(k ,e#% %ngk( = @ c)

S &1 = /#k %(%(k ,e#% &en')&ng de&n = ?? c)

S &3 = /#k %(%(k ,e#% &en')&ng ,e!kng = 18 c)

S#k = /#k %(%(k ,e#% #ngk = ?1 c)

S!! = /#k %(%(k ,e#% sses"#(s kend#n = ?1 c)

Sg, = /#k %(%k ,e#% ge#,"ks = ?1 c)

S &eg = /#k &egs ,e!kng = 18 c)

Ske) g4* g4 d!) s'),' k""#d(n% d&% d(!(.% &d g),# 7272

Y S &3

S &1

S%k

S#k 6 S!!6 Sg,

S)sn

; *!eg #

,am+ar '.'. *kema ga=a2 ga=a

D#( ske) g4 %e#se,'% d&% d(.(%'ng g4* g4 4ng )e)&eng#'.(

s"k,#eke# de&n dn ,e!kng

Σ F x = 0



20/26

= -A = ) 2 ............................................... gaya pengereman

Σ F y = 0

= -A4 W)sn W &1 * W &3 - , W!! W#k * W%k * Wg,=

= -A4 -B = 7 N N N 8 N 1 N 8 N 3 N

< -A= > -B < $%;; N

Σ M A = 0

-B 2 S &eg W)sn 2 S)sn W &1 2 S &1 W &3 2 S &3 W%k 2 S%k W#k 2 S#k W!! 2 S!! Wg, 2

Sg, =

-B2 18 = ; 7 2 >8 2 d(d&%

-#e) = -#e) S(n 38 -A = -#e) -A4

= 7@8 N S(n 38 = 182> N 81 N



21/26


22/26

"m#

"m $

$ #

"m $ #

%s& ' #

# %s (

'

>86C

0171AAC

18A3A2>A

0>3CCC21>67

?2 N73B2@2A

222A

1?3

3

7

3

7

7

7

)D)D

=

=

=

=

==

π

π σ

Un%'k s%nd#(ss( d(g'nkn k$% dengn 'k'#n SWG dengn

d()e%e# k$% 6>8 c)

? D"ameter ka8at

D = C 2 d

= ? 2 2>8 c)

= 36@ c) = 3@ ))

Se,e!')n4 s'd. d(%en%'kn d()e%e# %,'ng d!. 1 ))6 dn

d()e%e# k$% 4ng d(d&% d!. 3@ )) )k &e#.(%'ngn (n( s!. dn knd(.(%'ng '!ng2

n*, per!i*ngan ,e#a #iam-il in#e, pegas & = 35

? -aktr Tegangan 5hals

>@861

867

?186C

>8672>

18672>

?186C

>>

1>

=

+

−

−=

+

−

−=

& &

& .

? Mmen !nt"r@



23/26

"m#

#

"m $

$ #

%s& ' #

# %s (

'

786C

171AAC

B3712?

0>3CCC21>67

867273B2@2A

222A

1?3

7

3

7

7

7

)D)D

=

=

=

=

==

π

π σ

D(d&% d()e%e# k$% 4ng &s d!. 678 c) 'n%'k s%nd#(ss( )k

d#( %,!e 127 d(),(! s%nd# k$% dengn 'k'#n SWG2 8 dengn d()e%e#

k$% 678 c)

? D"ameter !egas

D = C 2 d

= 768 2 678 c)

= 16338 c)

D()e%e# !'# &egs d!. D d = 16338 678 = 168@8 c)

Se,e!')n4 s'd. d(ke%.'( d()e%e# %,'ng s"k,#eke# 4ng d(g'nkn

,e#d()e%e# 1 )) dn d(ke%.'( d()e%e# !'# &egs &d &e#.(%'ngn ked'

d!. 186@8 ))6 )k d(#skn &d &e#.(%'ngn ked' s'd. c"c"k n%#

%,'ng dengn &egs 4ng sedng d(#encnkn2

? Jmlah l"l"tan akt"4

-+a!

$

"m"m $

& '

/# n

783?67>361B@@C8

?@?3CCC

8672>68@?2A

76320A>CCCCC2786C

22A

22

7

3

7

≈==

=

=δ

U+'ng !(!(%n &egs 4ng d(#encnkn s'#ed nd g#"'nd end ( gas

eren"anaan n*r,si II r, . !al 22). Un%'k +en(s (n( d(&e#!'kn

&en),.n d' !(!(%n

n = n 3 = 78 3 = '7 l"l"tan



24/26

K(n( s'd. d(d&% d()ens( d#( &egs 4ng sedng d(#encnkn6 4(%' D = 31

))6 d 28 ))6 &n+ng ,e,s &egs = 7 )) dn +')!. !(!(%n >? !(!(%n2

D(ngg& s'd. &s dengn d()ens( kend#n 4ng k")&k %' kec(! dn

&s

? Jarak antar km!aran

Pn+ng ,e,s = &n+ng )e)d% %eknn +#k ,e,s n%#

k')&#n

/#k ,e,s n%# k')&#n = &n+ng ,e,s &n+ng )e)d% %eknn

( ) ( )

( ) ( )

"m 6

"m"m"m 6

# n"m 6n

>16C7?

@861>

763786C27@7C17@

I27C1I

==

−−=−

−−=− δ

? P"t&h !egas

"m"m

n

5% p A76C

7?

7C

1I==

−

=

BAB I

KE*IMPULAN

Tugas Perencanaan Elemen Mesin I 3>


25/26

Se%e!. d(!k'kn &e#encnn dn &e#.(%'ngn 4ng )ks()! )en'#'%

%e"#( dn #')'s 4ng d(sd'# d#( ,e#,g( ,'k'6 d(&e#"!e. kes()&'!n se,g(

,e#(k'%9

• Pegs 4ng d(g'nkn &egs s&(#! dengn ,.n B+ k#,"n6 4ng

)e)&'n4( %egngn (+(n6 (+(n = >3 N0 c)Q dn )"d'!'s kekk'n6 G =

> N 0 c)Q

• D()e%e# k')&#n &egs6D = 186@8 ))

• D()e%e# k$% 4ng d(g'nkn SWG 86 d = 728 ))

• /')!. !(!(%n &egs6n = 7@ !(!(%n

• Pn+ng ,e,s &egs6 Hf = 7 c)

• Lend'%n )ks()')6 = 367 c)

• Indeks &egs6 C = 768

• P(%c. &egs6 & = 67 ))

D#( d% %e#se,'% d(#s c'k'& 'n%'k )engg),#knn4 ke d!) g),# ke#+

dengn 'k'#n ke#%s 4ng d(&k( 'k'#n A3

DA-TAR PU*TAKA

12 R2S2 K.'#)(6 Ma"!ine esign -'#s( P',!(s.(ng H"'se L6 Ne$ De!.(6 132



26/26

32 S"!#s"6 asar eren"anaan #an emili!an Elemen Mesin Ed(s( >6 P#d(4

P#)(%.6 /k#%6 112

72 R",e#%6 L6 M"!%6 P2 L6 Ma"!ine Elemen In Me"!ani"al esign C.#!es E6

Me5(! P',!(s.(ng C")&n46 132

>2 N(e)n6 G6 Elemen Mesin Ed(s( >6 E#!ngg6 /k#%6 12

l i

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