(1) Use AUTOCAD drawing or use the existing Solidworks file directly converted to DXF format;(2) DXF format or DWG format parts drawing imported into FastCAM software for nesting, conversion, output CNC NC programme (generally G code, there are also EESI format code), in order to facilitate the call

1. Reduce unnecessary "arc start (or arc guide)" time; arc start nozzle and electrode consumption are very fast, before starting, the torch should be placed within walking distance of the cutting metal.2. Cutting should start from the edge; as far as possible, start cutting from the edge, rather tha