Page 4 - E-Modul Teknik Pemesinan Bubut

BAB II PERLENGKAPAN DAN JENIS PEKERJAAN PADA PROSES
PEMBUBUTAN .................................................................................................. 23

2.1 Perlengkapan Mesin Bubut .................................................................... 24

2.1.1 Cekam (Chuck)................................................................................ 24

2.1.2 Cekam Kolet (Collet Chuck) ........................................................... 25

2.1.3 Pelat Pembawa ................................................................................ 26

2.1.4 Pembawa (Lathe-dog) ..................................................................... 26

2.1.5 Penyangga/Penahan......................................................................... 28

2.1.6 Center .............................................................................................. 29

2.1.7 Cekam Bor (Drill Chuck) ................................................................ 29

2.1.8 Kelengkapan Tirus (Taper Attachment) .......................................... 30

2.1.9 Kartel ............................................................................................... 30

2.2 Teknik Pembubutan ................................................................................ 31

2.2.1 Pemasangan Pahat Bubut ................................................................ 32

2.2.2 Pembubutan Muka (Facing) ........................................................... 33

2.2.3 Pembubutan Lurus .......................................................................... 37

2.2.4 Pembubutan Lubang (Drilling) ....................................................... 40

2.2.5 Pembubutan Dalam/Perluasan Lubang (Boring) ............................ 41

2.2.6 Pembubutan Alur (groove) .............................................................. 43

2.2.7 Pembubutan Ulir (Threading) ......................................................... 44

2.2.8 Pembubutan Profil/Oval .................................................................. 47

2.2.9 Pemotongan Pada Mesin Bubut (Cutting off) ................................. 48

2.2.10 Pengkartelan (knurling) ................................................................... 50

2.2.11 Pembubutan Tirus ........................................................................... 51

2.3 Prosedur Kerja Proses Pembubutan ....................................................... 54

2.3.1 Prosedur Pengoperasian Mesin Bubut Standar ............................... 54

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