Arc Machines 307 User Manual
Page 71

Arc Machines, Inc. Model 307 Orbital Tube Welder Training
Document No. 740096 Chapter 6. Page 15
Rev. A
The Tools Backup Gas Pressure Conversions calculator converts inches
of water to Millimeters of water or Millibar of pressure to Pascal or vice-versa
when one of the items is typed in.
The Tools Electrode Rotation calculator will calculate the RPM when the
Travel speed (IPM or mm/min.) is entered. When the diameter and wall thick-
ness of the weld joint is entered, the recommended travel speed will be
shown when the AMI Recommendation button is touched. Touching the Weld
Time button brings up the AMI Tools calculator to calculate Time for one 360°
revolution.
360°
IPM/RPM