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DAFTAR ISI
Halaman
HALAMAN JUDUL ............................................................................... i
LEMBAR PENGESAHAN ..................................................................... ii
KATA PENGANTAR .............................................................................. iii
DAFTAR ISI ............................................................................................ v
DAFTAR TABEL .................................................................................... ix
DAFTAR GAMBAR ............................................................................... x
DAFTAR LAMPIRAN ............................................................................ xii
BAB I PENDAHULUAN
1.1 Latar Belakang Masalah .............................................. I-1
1.2 Perumusan Masalah .................................................... I-2
1.3 Tujuan Umum ............................................................. I-2
1.4 Tujuan Khusus ............................................................ I-2
1.5 Sistematika Penulisan .................................................. I-2
BAB II MESIN BUBUT
2.1 Pengertian Mesin Bubut ............................................. II-1
2.2 Bagian-bagian Mesin Bubut ....................................... II-1
2.3 Cara Kerja Mesin Bubut ............................................. II-2
2.4 Pekerjaan yang Dapat Dikerjakan Mesin Bubut .......... II-2
2.5 Membubut Tirus ......................................................... II-3
2.6 Membubut Ulir .......................................................... II-6
2.7 Prinsup Pahat dan Perpahatan ..................................... II-7
2.8 Macam Pahat dan Kegunaannya ................................. II-8
2.9 Bentuk Pengasahan Pahat ........................................... II-9
2.10 Kecepatan Potong ...................................................... II-9
BAB III MESIN FRAIS
3.1 Pengertian Mesin Frais ................................................ III-1
3.2 Bagian-bagian Mesin Frais .......................................... III-2
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3.3 Macam-macam Pisau .................................................. III-3
3.4 Kepala Pembagi .......................................................... III-4
3.4.1 Cara Kerja Kepala Pembagi ............................... IV-5
3.4.2 Memasang Benda Kerja Kepala Pembagi ........... IV-6
3.4.3 Memasang Benda Kerja pada Penjepit dengan
Tiga Cekam ........................................................ IV-7
3.4.4 Cara Menghitung Roda Gigi ............................... IV-3
4.5.1 Cara Kerja Kepala Pembagi ................................ IV-8
3.5 Perhitungan Deviding Head ......................................... III-9
BAB IV MESIN SEKRAP
4.1 Pengertian Mesin Sekrap ............................................ IV-1
4.2 Prinsip Kerja Mesin Sekrap ......................................... IV-2
4.3 Bagian Mesin Sekrap ................................................. IV-2
4.4 Jenis-jenis Mesin Sekrap ............................................ IV-3
4.4.1 Mesin Sekrap Datar atau Horizontal ................... IV-3
4.4.2 Mesin Sekrap Vertikal ........................................ IV-4
4.4.3 Mesin Planner .................................................... IV-4
4.5 Mekanisme Kerja Mesin Sekrap ................................. IV-5
4.6 Proses Sekrap ............................................................. IV-6
4.7 Mengatur Panjang dan Kedudukan Langkah................ IV-7
4.8 Kecepatan Langkah ..................................................... IV-8
4.9 Sistematik Satuan Metrik ........................................... IV-9
4.9.1 Sistem Satuan Inchi .......................................... IV-9
4.10 Pahat Sekrap .............................................................. IV-11
4.11 Macam-macam Bentuk Pahat ..................................... IV-11
4.12 Cara Memasang Pahat ................................................ IV-12
BAB V MESIN MILLING DAN DRILLING
5.1 Definisi Mesin Milling dan Drilling ........................... V-1
5.2 Prinsip Kerja Mesin Milling dan Drilling ................... V-2
5.3 Cara Pengoperasian Mesin Milling dan Drilling ......... V-3
5.4. Jenis-jenis Mata Bor Mesin Milling dan Drilling ........ V-3
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5.5 Alat Pemotong .......................................................... V-5
5.5.1 Keuntungan Menggunakan Mata Bor ................ V-5
5.5.2 Sudut-sudut Mata Bor ........................................ V-5
5.5.3 Tipe Mata Bor .................................................. V-6
5.6 Kecepatan Potong ..................................................... V-6
5.7 Proses Pengeboran .................................................... V-7
5.8 Perkakas Pengebor .................................................... V-8
5.9 Alat-alat Keselamatan dalam Pengoperasian Mesin
Milling dan Drillling ................................................. V-9
BAB VI RAGAM MESIN
6.1 Mesin Potong Besi dan Kayu .................................... VI-1
6.2 Prinsip Kerja Mesin Potong atau Kayu ...................... VI-1
6.2.1 Mesin Potong Besi ........................................... VI-1
6.2.2 Mesin Potong Kayu ......................................... VI-2
6.3 Mesin Jig Saw ........................................................... VI-3
6.3.1 Kelebihan dan Kekurangan Mesin Jig saw ........ VI-4
6.4 Mesin Gerinda ............................................................ VI-5
6.4.1 Bagian-bagian Mesin Gerinda .......................... VI-6
6.2.2 Macam-macam Batu Gerinda .......................... VI-6
6.5 Mesin Serut .............................................................. VI-7
6.6 Mesin Bor Tangan ..................................................... VI-8
6.6.1 Pengoperasian Mesin Bor Tangan .................... VI-9
6.7 Mesin Kompresor ...................................................... VI-9
6.8 Mesin Las ................................................................. VI-12
6.8.1 Prinsip-prinsip Las Listrik ............................... VI-11
6.8.2 Las Listrik dengan Elektroda karbon ................ VI-12
6.8.3 Las Listrik MIG ............................................... VI-13
BAB VII PROSES KERJA
7.1 Produk Asbak ............................................................ VII-1
7.2 Alat-alat yang Digunakan .......................................... VII-1
7.3 Bahan yang Digunakan .............................................. VII-2
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7.4 Proses Pembuatan Asbak ............................................ VII-2
7.5 Proses Penyelesain (finishing) .................................... VII-3
BAB VIII KESIMPULAN DAN SARAN
8.3 Kesimpulan ............................................................... VIII-1
8.8.1 Tujuan Umum ................................................. VIII-1
8.8.2 Tujuan Khusus ................................................ VIII-1
8.2 Saran ......................................................................... VIII-2
DAFTAR PUSTAKA
LAMPIRAN
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DAFTAR TABEL
Halaman
Tabel 2.1 Besar Sudut X ........................................................................ II-5
Tabel 3.1 Set Cutter Frais Gigi .............................................................. III-9
Tabel 4.1 Daftar Cutting Speed (Cs) Untuk Pahat HSS .......................... IV-10
Tabel 5.1 Perbedaan Drilling dan Borring ............................................. V-4
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DAFTAR GAMBAR
Halaman
Gambar 2.1 Mesin Bubut ........................................................................ II-1
Gambar 2.2 Hasil-hasil dari Pembuatan ................................................... II-3
Gambar 2.3 Pepmbubutan tirus dengan menggunakan perlengkapan ...... II-4
Gambar 2.4 Pembubutan Tirus Dengan Memutar Eretan Atas ................ II-5
Gambar 2.5 Urutan Pembubutan Ulir ..................................................... II-6
Gambar 2.6 Macam-macam Bentuk Pahat Bubut .................................... II-8
Gambar 2.7 Bentuk Pengasahan Pahat Bubut .......................................... II-8
Gambar 3.1 Bentuk-bentuk Hasil Frais ................................................... III-1
Gambar 3.2 Mesin Frais ......................................................................... III-2
Gambar 3.3 Macam-macam Pisau Frais ................................................. III-4
Gambar 3.4 Bagian dari Kepala Pembagi ............................................... III-6
Gambar 3.5 Cara Memasang Benda Kerja pada Kepala Frais ................. III-7
Gambar 3.6 Pemasangan Benda Kerja pada Cekam Universal ................ III-7
Gambar 3.7 Roda Gigi ........................................................................... III-8
Gambar 3.8 Transmisi Roda Gigi Casing dalam Kepala Pembagi ........... III-10
Gambar 4.1 Mesin Sekrap ...................................................................... IV-1
Gambar 4.2 Mesin Sekrap dan Bagian-bagiannya ................................... IV-2
Gambar 4.3 Mesin Sekrap Datar atau Horizontal .................................... IV-3
Gambar 4.4 Mesin Sekrap Vertikal ........................................................ IV-4
Gambar 4.5 Mesin Sekrap Eretan (Planner) ........................................... IV-5
Gambar 4.6 Mekanisme Mesin Sekrap ................................................... IV-5
Gambar 4.7 Menghitung Langkah .......................................................... IV-7
Gambar 4.8 Kecepatan Langkah ............................................................. IV-8
Gambar 4.9 Sudut-sudut pada Pahat ...................................................... IV-11
Gambar 4.10 Pahat Sekrap ....................................................................... IV-12
Gambar 4.11 Pahat Universal .................................................................. IV-12
Gambar 5.1 Mesin Milling dan Drilling ................................................. V-2
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Gambar 5.2 Jenis-jenis pahat Pengebor ................................................. V-9
Gambar 6.1 Mesin Potong Besi ............................................................. VI-1
Gambar 6.2 Mesin Potong Kayu............................................................. VI-2
Gambar 6.3 Mesin Jig Saw ..................................................................... VI-3
Gambar 6.4 Mesin Gerinda ................................................................... VI-5
Gambar 6.5 Mesin Serut ........................................................................ VI-7
Gambar 6.6 Mesin Bor Tangan ............................................................. VI-8
Gambar 6.7 Mesin Kompresor .............................................................. VI-10
Gambar 6.8 Mesin Las Listrik ............................................................... VI-11
Gambar 6.9 Las Listrik dengan Elektroda Karbon ................................. VI-12
Gambar 6.10 Proses Las Listrik TIG ....................................................... VI-13
Gambar 6.11 Proses Las Listrik MIG ...................................................... VI-13
Gambar 7.1 Gambar Produk Asbak 2 Dimensi ..................................... VII-4
Gambar 7.2 Gambar Produk Asbak 3 Dimensi ..................................... VII-8
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DAFTAR RUMUS
Halaman
Rumus 2.1 Membuat Tirus Luar Dalam ................................................. II-4
Rumus 2.2 Kecepatan potong ................................................................ II-9
Rumus 2.3 Menggunakan Tabel Kecepatan potong 1 ............................ II-10
Rumus 2.4 Menggunakan Tabel Kecepatan potong 2 ............................ II-10
Rumus 3.1 Membuat Segi Banyak Beraturan ........................................ III-6
Rumus 5.1 Cutting Speed ...................................................................... V-7
Rumus 6.1 Satuan Panas Joule atau Kalori ............................................ VI-12
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DAFTAR LAMPIRAN
Foto Copy KRS, KTM dan Kartu Praktikum ATA 2010/2011 ................... L-1
Laporan Pendahuluan ................................................................................ L-2
Test Pendahuluan ....................................................................................... L-3
Laporan Akhit Praktikum ........................................................................... L-4
Foto Produk Akhir ..................................................................................... L-5
Foto Mesin-mesin yang Digunakan dalam Praktikum................................. L-6
Lembar Asistensi ....................................................................................... L-7
Biodata Praktikum ..................................................................................... L-8