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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