teknik pengelasan kapal jilid 2 smk

bos.fkip.uns.ac.id

teknik pengelasan kapal jilid 2 smk

TEKNOLOGI LAS KAPAL

III.120 Penyalaan busur ................................................................. 326

III.121 Gerakan ayunan.................................................................. 326

III.122 Mematikan busur................................................................. 327

III.123 Pemeriksaan hasil las ......................................................... 327

III.124 Posisi pengelasan posisi datar............................................ 328

III.125 Gerakan ayunan.................................................................. 329

III.126 Penyetelan pelat penahan belakang dengan logam

induk.................................................................................... 330

III.127 Las ikat pelat penahan belakang....................................... 330

III.128 Posisi welding torch ............................................................ 331

III.129 Kondisi arus dan tegangan ................................................. 332

III.130 Las ikat Las ikat pada pengelasan sambungan tumpang pada

posisi horisontal .................................................................. 332

III.131 Posisi material diatas meja kerja......................................... 332

III.132 Posisi pengelasan tumpang pada posisi horisontal ............ 333

III.133 Penyalaan busur ................................................................. 333

III.134 Mematikan nyala busur ....................................................... 334

III.135 Proses pembersihan dan pemeriksaan hasil las................. 334

III.136 Pemotongan hasil las.......................................................... 335

III.137 Las ikat sambungan tumpul ................................................ 335

III.138 Penyetelan pra tarik ............................................................ 336

III.139 Posisi material secara mendatar diatas meja kerja............. 336

III.140 Kondisi arus dan tegangan ................................................. 337

III.141 Posisi pengelasan sambungan tumpul pada posisi

datar .................................................................................... 337

III.142 Penyalaan busur ................................................................. 338

III.143 Mematikan busur las ........................................................... 338

III.144 Pembersihan hasil las – lasan............................................. 339

III.145 Pemotongan hasil las.......................................................... 339

III.146 Persiapan permukaan logam .............................................. 340

III.147 Penyetelan kondisi pengelasan........................................... 340

III.148 Penyalaan busur ................................................................. 341

D12

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