CUTTING & WELDINGutt utt utt tt Cutting & & & & & & &el el eld eld eld eld Welding Ef? ciency and accuracy have never been better with this collection of cutting and welding equipmentEdited By Tom Mulliganhis month’s technology review covers the lat-est developments in metal machining, including new welding tools and cutting equipment, plus new software-based control systems for simple and ef? cient machine shop operations. TNowadays, an oxygen plasma of 300 amps with a hafnium electrode can cut more quickly, with better cut quality, and more accurately (espe-cially with holes) on carbon steel than the old 600-amp systems.50 Maritime Reporter & Engineering News • SEPTEMBER 2018MR #9 (50-57).indd 50 MR #9 (50-57).indd 50 9/5/2018 11:55:52 AM9/5/2018 11:55:52 AM