Buku Teknik Las GTAW Kelas 10 SMK

Buku Teknik Las GTAW Kelas 10 SMK


Kelas 10
Pengarang -
Penerbit Direktorat Pembinaan Sekolah Menengah Kejuruan
Tahun 2014
Bagikan kepada teman anda.

Materi Teknik Las GTAW

Teknik Las GTAW

BAB I PENDAHULUAN ................................ ................................ ...................... 1
1. DESKRIPSI ................................ ................................ ................................ . 1
2. PRASYARAT ................................ ................................ ............................... 1
3. PETUNJUK PENGGUNAAN ................................ ................................ ........... 1
4. TUJUAN AKHIR ................................ ................................ ........................... 2
5. KOMPETENSI INTI DAN KOMPETENSI DASAR ................................ ................. 2
6. CEK KEMAMPUAN AWAL ................................ ................................ ............. 3

BAB II MATERI PEMBELAJARAN ................................ ................................ ..... 4
1. TEKNOLOGI LAS GTAW ................................ ................................ .............. 4
A. Deskripsi ................................ ................................ .............................. 4
B. Kegiatan Belajar ................................ ................................ ................... 4

1. KEGIATAN BELAJAR 1: PERANGKAT LAS GTAW ................................ ........... 4
1.1. TUJUAN PEMBELAJARAN ................................ ................................ ......... 4
1.2. URAIAN MATERI ................................ ................................ ..................... 4
1.3. RANGKUMAN ................................ ................................ ........................ 11
1.4. TUGAS ................................ ................................ ................................ 12
1.5. TES FORMATIF ................................ ................................ ..................... 12
1.6. LEMBAR JAWABAN TES FORMATIF ................................ ......................... 13
1.7 . LEMBAR KERJA PESERTA DIDIK ................................ ............................. 14

2. KEGIATAN BELAJAR 2: SUMBER ARUS LAS GTAW ................................ ...... 15
2.1. TUJUAN PEMBELAJARAN ................................ ................................ ....... 15
2.2. URAIAN MATERI ................................ ................................ ................... 15
2.3. RANGKUMAN ................................ ................................ ........................ 28
2.4. TUGAS ................................ ................................ ................................ 29
2.6. LEMBAR JAWABAN ................................ ................................ ................ 29
2.7. LEMBAR KERJA PESERTA DIDIK ................................ ............................. 30

3. KEGIATAN BELAJAR 3: PEMBAKAR LAS ................................ ...................... 31
3.1. TUJUAN PEMBELAJARAN ................................ ................................ ....... 31
3.2. URAIAN MATERI ................................ ................................ ................... 31
3.3. RANGK UMAN ................................ ................................ ........................ 35
3.4. TUGAS ................................ ................................ ................................ 35
3.5. TES FORMATIF ................................ ................................ ..................... 36
3.6. KUNCI JAWABAN TES FORMATIF ................................ ............................ 36
3.7. LEMBAR KERJA PESERTA DIDIK ................................ ............................. 37

4. KEGIATAN BELAJAR 4: REGULATOR GAS ................................ ................... 38
4.1. TUJUAN PEMBELAJARAN ................................ ................................ ....... 38
4.3. RANGKUMAN ................................ ................................ ........................ 41
4.4. TUGAS ................................ ................................ ................................ 42
4.5. TES FORMATIF ................................ ................................ ..................... 42
4.6. LEMBAR JAWABAN TES FORMATIF ................................ ......................... 42
4.7. LEMBAR KERJA PESERTA DIDIK ................................ ............................. 43

2. ELEKTRODA TUNGSTEN ................................ ................................ ............ 44
A. Deskripsi Pembelajaran ................................ ................................ ...... 44
B. Kegiatan Belaj ar ................................ ................................ ................. 44

5. KEGIATAN BELAJAR 5 : MACAM -MACAM ELEKTRODA TUNGSTEN , SIFAT -SIFAT ELEKTRODA TUNGSTEN , NORMALISASI TUNGSTEN . ................................ ............ 44
5.1 . TUJUAN PEMBELAJARAN ................................ ................................ ....... 44
5.2. URAIAN MATERI ................................ ................................ .................... 44
5.3. RANGKUMAN ................................ ................................ ........................ 47
5.4. TUGAS ................................ ................................ ................................ 48
5.5. TES FORMATIF ................................ ................................ ..................... 48
5.6. LEMBAR JAWABAN ................................ ................................ ................ 48
5.7. LEMBAR KERJA ................................ ................................ .................... 49

6. KEGIATAN BELAJAR 6 : PERSIAPAN DAN PERAWATAN ELEKTRODA TUNGSTEN . 50
6.1. TUJUAN PEMBELAJARAN ................................ ................................ ....... 50
6.2. URAIAN MATERI ................................ ................................ .................... 50
6.3. RANGKUMAN ................................ ................................ ........................ 54
6.4. TUGAS ................................ ................................ ................................ 54
6.5. TES FORMATIF ................................ ................................ ..................... 55
6.6. LEMBAR JAWABAN ................................ ................................ ................ 55
6.7. LEMBAR KERJA ................................ ................................ .................... 56
3. BAHAN CONSUMABLE LAS GTAW ................................ ............................. 58
A. Deskripsi Pembelajaran ................................ ................................ ...... 58
B. Kegiatan Belajar ................................ ................................ ................. 58

7. KEGIATAN BELAJAR 7 : GAS PELINDUNG LAS GTAW ................................ .. 58
7.1. TUJUAN PEMBELAJARAN : ................................ ................................ ...... 58
7.2. URAIAN MATERI : ................................ ................................ .................. 58
7.3. TUGAS ................................ ................................ ................................ 61
7.4. TES FORMATIF ................................ ................................ ..................... 61
7.5. LEMBAR JAWABAN ................................ ................................ ................ 61
7.6. LEMBAR KERJA ................................ ................................ .................... 62

8. KEGIATAN BELAJAR 8 : BAHAN TAMBAH LAS GTAW (F ILLER ROD ) .............. 64
8.1. TUJUAN PEMBELAJARAN ................................ ................................ ....... 64
8.2. URAIAN MATERI ................................ ................................ ................... 64
8.3. RANGKUMAN ................................ ................................ ........................ 67
8.4. TUGAS ................................ ................................ ................................ 67
8.5. TES FORMATIF ................................ ................................ ..................... 68
8.6. LEMBAR JAWABAN ................................ ................................ ................ 68
8.7. LEMBAR KERJA ................................ ................................ .................... 69
4. K3 PENGELASAN GTAW ................................ ................................ .......... 70
A. Deskripsi ................................ ................................ ............................ 70
B. Kegiatan Pembelajaran ................................ ................................ ...... 70

9. KEGIATAN BELAJAR 9: BAHAYA TABUNG GAS , ARUS LISTRIK DAN PENCEGAHANNYA ................................ ................................ ............................ 70
9.1. TUJUAN PEMBELAJARAN ................................ ................................ ............ 70
9.2. URAIAN MATERI ................................ ................................ ................... 71
9.3. RANGKUMAN ................................ ................................ ........................ 82
9.4. TUGAS ................................ ................................ ................................ 82
9.5. TES FORMATIF ................................ ................................ ..................... 82
9.6. LEMBAR JAWABAN ................................ ................................ ................ 83
9.7. LEMBAR KERJA ................................ ................................ .................... 84

10. KEGIATAN BELAJAR 10 : BAHAYA BUSUR LAS , GAS /ASAP LAS DAN PENCEGAHANNYA . PENGGUNAAN APD LAS GTAW ................................ ............ 86
10.1. TUJUAN PEMBELAJARAN ................................ ................................ ....... 86
10.2. URAIAN MATERI ................................ ................................ ................... 86
10.3. RANGKUMAN ................................ ................................ ........................ 98
10.4. TUGAS ................................ ................................ ................................ 98
10.5. TES FORMATIF ................................ ................................ ..................... 99
10.6. LEMBAR KERJA ................................ ................................ .................. 100

5. TEKNIK PENGELASAN GTAW PADA POSISI BAWAH TANGAN ..................... 102
1. KEGIATAN BELA JAR 11 : MEMBUAT RIGI -RIGI LAS GTAW ........................ 102
11.1. TUJUAN PEMBELAJARAN ................................ ................................ ..... 102
11.3. RANGKUMAN ................................ ................................ ...................... 108
11.4. TUGAS ................................ ................................ .............................. 108
11.5. TES FORMATIF ................................ ................................ ................... 109
11.6. LEMBAR JAWABAN ................................ ................................ .............. 109
11.7. LEMBAR KERJA PESERTA DIDIK ................................ .......................... 109

12. KEGIATAN BELAJAR 12 : TEKNIK PENGELASAN SAMBUNGAN T .................. 111
12. 1. TUJUAN PEMBELAJARAN ................................ ................................ ..... 111
12.2. URAIAN MATERI ................................ ................................ ................. 111
12.3. RANGKUMAN ................................ ................................ ...................... 115
12.4. TUGAS ................................ ................................ .............................. 115
12.5. TES FORMATIF ................................ ................................ ................... 115
12.6. LEMBAR JAWABAN ................................ ................................ .............. 115
12.7. LEMBAR KERJA PESERTA DIDIK ................................ .......................... 116

13. KEGIATAN BELAJAR 13 : TEKNIK PENGELASAN SAMBUNGAN “I” ................ 118
13.1. TUJUAN PEMBELA JARAN ................................ ................................ ..... 118
13.2. URAIAN MATERI ................................ ................................ ................. 118
13.3. RANGKUMAN ................................ ................................ ...................... 122
13.4. TUGA S ................................ ................................ .............................. 122
13.5. TES FORMATIF ................................ ................................ ................... 122
13.6. LEMBAR PENILAIAN TES FORMATIF ................................ ...................... 122
13.7. LEMBAR KERJA PESERTA DIDIK ................................ .......................... 123

14. KEGIATAN BELAJAR 14 : TEKNIK PENGELASAN SAMBUNGAN “V” ............... 125
14.1. TUJUAN PEMBELAJ ARAN ................................ ................................ ..... 125
14.2. URAIAN MATERI ................................ ................................ ................. 125
14.3. RANGKUMAN ................................ ................................ ...................... 127
14.4. TUGAS ................................ ................................ .............................. 128
14.5. TES FORMATIF ................................ ................................ ................... 128
14.6. LEMBAR JAWABAN TES FORMATIF ................................ ....................... 128
14.7. LEMBAR KERJA PESERTA DIDIK ................................ .......................... 129

EVALUASI ................................ ................................ ................................ ...... 131
A. Soal pilihan ganda ................................ ................................ ............ 131
B. Soal Uraian Terstruktur ................................ ................................ .... 136
DAFTAR PUSTAKA ................................ ................................ ........................ 141