Arc Machines 307 - Manual (Page 72)

Arc Machines, Inc. Model 307 Orbital Tube Welder Training
Document No. 740096 Chapter 6. Page 16
Rev. A
Tools - Weld Time Calculator
Entering the RPM from the Tools - Electrode Rotation screen and
pressing the Total Time for 360° degree revolution will display the time for
one revolution. To calculate Total Weld (arc) Time, add the time for Rotation
Delay and Overlap to the time for 1 revolution.
Tools - Electrode Calculator
Select the weld head you wish to use or enter the Rotor Diameter. Enter the
tube diameter and wall thickness. Enter the Arc Gap or press the AMI
Recommended Arc Gap screen buttton to find the arc gap. The Electrode
Length and Tip diameter will be shown at the right of the screen.
∑
t 360°