Page 4 - E-Modul Teknik Pemesinan Bubut
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BAB II PERLENGKAPAN DAN JENIS PEKERJAAN PADA PROSES
PEMBUBUTAN .................................................................................................. 27
2.1 Perlengkapan Mesin Bubut .................................................................... 28
2.1.1 Cekam (Chuck)................................................................................ 28
2.1.2 Cekam Kolet (Collet Chuck) ........................................................... 29
2.1.3 Pelat Pembawa ................................................................................ 30
2.1.4 Pembawa (Lathe-dog) ..................................................................... 30
2.1.5 Penyangga/Penahan......................................................................... 32
2.1.6 Center .............................................................................................. 33
2.1.7 Cekam Bor (Drill Chuck) ................................................................ 33
2.1.8 Kelengkapan Tirus (Taper Attachment) .......................................... 34
2.1.9 Kartel ............................................................................................... 34
2.2 Teknik Pembubutan ................................................................................ 35
2.2.1 Pemasangan Pahat Bubut ................................................................ 36
2.2.2 Pembubutan Muka (Facing) ........................................................... 37
2.2.3 Pembubutan Lurus .......................................................................... 41
2.2.4 Pembubutan Lubang (Drilling) ....................................................... 44
2.2.5 Pembubutan Dalam/Perluasan Lubang (Boring) ............................ 45
2.2.6 Pembubutan Alur (groove) .............................................................. 47
2.2.7 Pembubutan Ulir (Threading) ......................................................... 48
2.2.8 Pembubutan Profil/Oval .................................................................. 51
2.2.9 Pemotongan Pada Mesin Bubut (Cutting off) ................................. 52
2.2.10 Pengkartelan (knurling) ................................................................... 54
2.2.11 Pembubutan Tirus ........................................................................... 55
2.3 Prosedur Kerja Proses Pembubutan ....................................................... 58
2.3.1 Prosedur Pengoperasian Mesin Bubut Standar ............................... 58
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