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ELEMENELEMEN MESIN IMESIN I

 JURUSAN TEKNIK MESIN

POLITEKNIK NEGERI MEDAN

MEDAN 2009

KATA PENGANTAR ............................................................................. ii

DAFTAR ISI …………............................................................. iiiBAB 1 DASAR-DASAR PERANCANGAN ………………................. 1

1.1 Istilah Dasar dan Pengelompokan Elemen Mesin ………................. 1

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1.2 Dasar Perancangan Elemen Mesin …………......................... 1

1.3 Beban, Tegangan dan egangan ………............................. 1

1.3.1 Beban ......................................... 2

1.3.2 Tegangan ......................................... 2

1.3.3 egangan ......................................... 21.3.! Tegangan dan egangan Tarik …..................................... 2

1.3." Tegangan dan egangan Tekan ......................................... 3

1.3.# Tegangan Bantalan ......................................... 3

1.3.$ Mod%l%s Elastisitas ……………............................................. !

1.3.& Mod%l%s 'eser …………................................................. !

1.3.( Diagram Tegangan egangan ……………................................. !

BAB II SAMBUNGAN ADHESIVE …………..................................... $

2.1 )enis*)enis +amb%ngan dhesi-e ……………................................. $

2.2 +iat*+iat +amb%ngan dhesi-e ………......................................... $

2.3 Perhit%ngan +amb%ngan dhesi-e ………......................................... &2.3.1 /ek%atan /ohesi-e …………..................................... &

2.3.2 /ek%atan Memb%ka …………............................................................. (

2.3.3 Batas /ek%atan 0elah ………..................................................... (

BAB II SAMBUNGAN SOLDER DAN PATRI ……................................. 1

3.1 plikasi ………............................................................................. 1

3.2 Proses +older Patri ………................................................................. 1

3.3 /ek%atan +amb%ngan +older dan Patri ……................................. 1

BAB IV SAMBUNGAN LAS ………..................................................... 13

!.1 Proses Pengelasan ……..................................................................... 13

!.2 Tipe*tipe +amb%ngan 0as ……......................................................... 13

!.3 Perencanaan /ek%atan +amb%ngan 0as …..................................... 1!

!.3.1 +amb%ngan 0as Berimpit ……......................................................... 1!

!.3.2 +amb%ngan 0as Men%mp% ……......................................................... 1$

!.3.3 Pembebanan ksial pada 0as Penampang Tak +imetri ..................... 1&

!.3.! +amb%ngan 0as dengan Beban Eksentrik ……................................. 2

BAB V SAMBUNGAN PAKU KELING ……............................................. 2"

".1 ara Pengelingan ………................................................................. 2"

".2 Macam*macam Bent%k Pak% /eling ……............................................. 2"".3 Macam*macam +amb%ngan /elingan …..................................... 2#

".! Pembebanan +entris …......................................................................... 2$

"." +amb%ngan Pak% /eling dengan Beban Eksentrik ............................. 31

BAB VI SAMBUNGAN ULIR  ……........................................................ 3#

#.1 Peristilahan pada lir …........................................................................ 3#

#.2 )enis*4enis lir …........................................................................ 3$

#.3 Pemilihan Ba%t dan M%r …............................................................ !

#.! Pembebanan ksial M%rni ……........................................................ !

#." Tegangan /ontak Perm%kaan …............................................................ !1

#.# Tegangan 'eser pada lir ……........................................................ !2#.$ Pembebanan 'eser ……………........................................................ !3

#.& lir Dengan Beban Eksentris .................................................... !"

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#.&.1 Beban Eksentrik +e4a4ar +%mb% Ba%t ........................................ !"

&.&.2 Pembebanan lir Tegak 0%r%s +%mb% Ba%t ............................ !$

BAB VII SEKRUP DAYA .................................................... "3

$.1 +ekr%p Da5a Dengan lir Persegi .................................................... "3$.1.1 Torsi nt%k Mengangkat Beban .................................................... "3

$.1.2 Torsi nt%k Men%r%nkan Beban .................................................... "!

$.2 +ekr%p Da5a Dengan lir Trapesi%m ........................................ "!

$.2.1 Torsi nt%k Mengangkat Beban .................................................... "!

$.2.2 Torsi nt%k Mern%r%nkan Beban .................................................... ""

$.3 Eisiensi Mekanis lir .................................................... ""

BAB VIII PASAK DAN SPLAIN .................................................... "$

&.1 Pasak .................................................... "$

&.1.1 /lasiikasi Pasak .................................................... "$

&.1.2 Perancangan k%ran Pasak .................................................... "$&.1.3 Pasak Benam ................................................................ "$

&.2 +plain ................................................................ #

&.2.1 Perencanaan k%ran +plain ................................................................ #

BAB IX GANDAR, SPINDEL DAN POROS TRANSMISI ................ #3

(.1 'andar ............................ #3

(.2 Poros Transmisi .................................................... #!

(.2.1 Perancangan Poros Berdasarkan /ek%atan 'eser ............................ #!

(.2.2 Perancangan Poros Dengan Beban Torsi ............................ #"

(.2.3 Perancangan Poros Dengan Beban 'ab%ngan Torsi Dan 0ent%r.......... #"

(.2.! Perancangan Poros Berdasarkan 0ent%r, Torsi Dan ksial ................ #"

(.3 Perancangan Poros Berdasarkan /ekak%an ................ ##

(.! Perancangan Poros Berdasarkan 0ent%ran 0ateral ................ ##

(." Pemindahan Da5a .................................................... ##

BAB X KOPLING TETAP ................................................... $1

1.1 /opling B%s .................................................... $1

1.2 /opling 6len .................................................... $3

1.3 /opling 6lens Tempa ..................................................... $#

BAB XI KOPLING GESEK  ..................................................... $&11.1 /lasiikasi /los ..................................................... $&

11.2 /opling 'esek Plat ...................................................... $&

11.3 /opling 'esek /er%c%t ..................................................... &2

DAFTAR PUSTAKA .................................................... &"

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