Page 5 - E-Modul Teknik Pemesinan Bubut 1_2022
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1. Alat pencekam/ pengikat benda kerja ........................................................................ 14

               2. Alat pembawa ...................................................................................................................... 16

               3. Alat penahan benda kerja................................................................................................ 17
               4. Senter ..................................................................................................................................... 17

               5. Taper attachment/ perlengkapan khusus tirus ...................................................... 18

               B. Macam-macam pekerjaan pada pembubutan ....................................... 19
               1. Pembubutan muka/ facing ............................................................................................. 19

               2. Pembubutan lurus ............................................................................................................. 20

               3. Pembubutan dalam/ boring ........................................................................................... 20
               4. Pembubutan lubang/ drilling ......................................................................................... 21

               5. Pembubutan alur/ grooving ........................................................................................... 21

               6. Pembubutan ulir/ threading .......................................................................................... 22
               7. Pembubutan profil/ oval .................................................................................................. 22

               8. Pembubutan tirus/ taper ................................................................................................ 23

               9. Pengkartelan/ kenurling .................................................................................................. 23
               RANGKUMAN .......................................................................................... 25

               LATIHAN SOAL ....................................................................................... 27

               BAB 3 Parameter Proses Pembubutan ..................................................... 29

               A. Kecepatan putaran mesin bubut ( Revolution Per Minute – Rpm ) ....... 30

               B. Kecepatan potong ( Cutting speed- Cs ) ............................................... 30

               1. Bahan yang akan dibubut ............................................................................................... 31
               2. Bahan pahat ......................................................................................................................... 31

               3. Kualitas bubutan ................................................................................................................ 32

               C. Kedalaman potong (depth of cut) ........................................................ 33

               D. Waktu pemakanan ( Feding -F ) – mm/menit ...................................... 33
               1. Panjang bahan ..................................................................................................................... 34

               2. Jumlah pembubutan ......................................................................................................... 34

               3. Waktu pembubutan ........................................................................................................... 35
               RANGKUMAN .......................................................................................... 37

               LATIHAN SOAL ....................................................................................... 38

               BAB 4 Alat Potong Mesin Bubut .............................................................. 40

               A.Material / bahan pahat bubut .............................................................. 42

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