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Kelas X_SMK_teknologi-pembuatan-benang-dan ... - FTP LIPI

Kelas X_SMK_teknologi-pembuatan-benang-dan ... - FTP LIPI

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5.13.7.2 Putaran Rol Penggilas pada Coiler .......................... 129<br />

5.13.7.3 Tetapan Regangan (TR) atau Draft Constant (DC).. 130<br />

5.13.7.4 Regangan Mekanik (RM).......................................... 131<br />

5.13.7.5 Regangan Nyata (RN).............................................. 131<br />

5.13.8 Perhitungan Produksi ............................................... 132<br />

5.13.8.1 Produksi Teoritis....................................................... 132<br />

5.13.8.2 Produksi Nyata ......................................................... 133<br />

5.13.8.3 Efisiensi .................................................................... 133<br />

5.13.9 Pergantian Roda Gigi ............................................... 134<br />

5.13.9.1 Roda gigi pengganti regangan ................................ 134<br />

5.13.9.2 Roda gigi pengganti produksi................................... 134<br />

5.14 Proses di Mesin Drawing.......................................... 135<br />

5.14.1 Bagian Penyuapan ................................................... 138<br />

5.14.1.1 Can Penyuapan........................................................ 138<br />

5.14.1.2 Pengantar Sliver....................................................... 138<br />

5.14.1.3 Rol Penyuap............................................................. 138<br />

5.14.1.4 Traverse Guide......................................................... 138<br />

5.14.2 Bagian Peregangan.................................................. 139<br />

5.14.2.1 Pasangan rol-rol penarik .......................................... 139<br />

5.14.2.2 Rol Bawah ................................................................ 139<br />

5.14.2.3 Rol Atas.................................................................... 140<br />

5.14.2.4 Pembebanan pada Rol Atas..................................... 141<br />

5.14.2.4.1 Pembebanan Sendiri (Self Weighting) ..................... 141<br />

5.14.2.4.2 Pembebanan Mati/Bandul (Dead Weighting) ........... 142<br />

5.14.2.4.3 Pembebanan Pelana (Saddle Weighting) ................ 142<br />

5.14.2.4.4 Pembebanan dengan Tuas (Lever Weighting)......... 142<br />

5.14.2.4.5 Pembebanan dengan Per (Spring Weighting).......... 142<br />

5.14.2.5 Peralatan Pembersih................................................ 143<br />

5.14.2.6 Proses Peregangan.................................................. 144<br />

5.14.2.7 Penyetelan Jarak Antar Pasangan Rol Peregang ... 147<br />

5.14.2.8 Faktor-faktor yang mempengaruhi penyetelan jarak<br />

antar Rol Peregang .................................................. 149<br />

5.14.3 Bagian Penampungan.............................................. 151<br />

5.14.3.1 Pelat Panampung..................................................... 151<br />

5.14.3.2 Terompet ................................................................. 151<br />

5.14.3.3 Rol Penggilas ........................................................... 152<br />

5.14.3.4 Coiler ....................................................................... 152<br />

5.14.3.5 Can Penampung Sliver............................................. 152<br />

5.14.3.6 Pemeliharaan Mesin Drawing................................... 153<br />

5.14.4 Pengujian Mutu Hasil................................................ 153<br />

5.14.4.1 Pengujian Nomor Sliver Drawing.............................. 153<br />

5.14.4.2 Pengujian Kerataan Sliver Drawing.......................... 153<br />

5.14.5 Perhitungan Regangan............................................. 154<br />

5.14.5.1 Putaran Rol Penyuap ............................................... 154<br />

5.14.5.2 Putaran Rol-rol Peregang......................................... 156<br />

5.14.5.3 Putaran Rol Penggilas.............................................. 157<br />

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