Cycle Start Checklist

Fusion 360

• Box point is appropriately set

• Spindle speed, feed rate, and stepover values in your setup is appropriate for the tool and material used

Post process

• Safe retract is set to Clearance Height

• G-Code includes a G0 Z+10 before the spindle start operation

• G-Code includes M5 spindle stop in the line immediately before the M30 program end

Bessie

• Ref All Home has been performed since being turned on today

• Tool is correctly inserted

• Stock is securely held in place

• Doors are closed, E-Stop is disengaged

Mach 3

• Reset is green

• X,Y,Z axis are zeroed correctly to your box point

• Feed rate and spindle speed are set to 100% (or appropriate value)

• Air pass has been run to confirm that the machine moves as expected, won't crash into workholding

Start cycle

• Hand kept near E-Stop
  • Especially during first movements
  • Initial tool engagement
  • Subsequent operation type changes