... as shrinking, washer , direct-pulling, spot welding, flatten-ing , waveform wire ,stud welding, OT washer, triangle washer, etc .8 ... configurations:1. Microprocessor control system optimizes the welding parameters. Due to the adoption of advanced digital ... and X-type gun is available10. Stud welding is available11. Adjustable welding current12. Stepless current regulation13. Complete with ...