Hypertherm XPR170 - Page 15

XPR170 Instruction Manual 810060 15
Preflow/charge DC State (7) ................................................................................................ 208
Ignite State (8).......................................................................................................................... 209
Pilot arc State (9)...................................................................................................................... 210
Rampup State (11).................................................................................................................. 211
Steady State (12)..................................................................................................................... 211
Rampdown State (13) ............................................................................................................ 212
End of cycle State (14)........................................................................................................... 212
High-voltage relay stages (closed or opened) in the ohmic circuit.......................................... 212
Automatic purges................................................................................................................................. 213
Gas-change purges for OptiMix or VWI XPR cutting systems..................................... 213
Process-setup purges for all XPR cutting systems ......................................................... 214
How to choose the torch positions and process settings you need.................................................... 215
Perpendicular-position cutting, marking, and piercing................................................................ 215
Cutting........................................................................................................................................ 215
Marking ....................................................................................................................................... 215
Piercing....................................................................................................................................... 215
Bevel cutting.......................................................................................................................................... 216
Bevel compensation tables.................................................................................................... 217
Ferrous (mild steel) processes.......................................................................................................... 217
Non-ferrous (stainless steel and aluminum) processes.............................................................. 217
Stainless steel........................................................................................................................... 219
Aluminum.................................................................................................................................... 220
Processes for special applications .................................................................................................. 221
Underwater cutting .................................................................................................................. 221
Mirror cutting............................................................................................................................. 222
Process selection............................................................................................................................................. 223
How to use process IDs to access optimal settings................................................................... 223
Process ID offsets / overrides............................................................................................... 224
How to use cut charts..................................................................................................................................... 225
Process core thickness (PCT) .......................................................................................................... 225
Process categories.............................................................................................................................. 225
How to select consumables .......................................................................................................................... 228
Factors of cut quality....................................................................................................................................... 228
Dross....................................................................................................................................................... 228
How to get the results you want....................................................................................................... 228
General recommendations for all processes..................................................................... 229
Recommendations for perpendicular-position cutting processes................................ 229
Recommendations for piercing processes......................................................................... 230
Recommendations for marking processes......................................................................... 231