OPERATION
4-18 CommandTHC for X-Y Table Instruction Manual
11
1. CNC traverses to next piercing position.
2. CNC issues a CYCLE-START-IN to THC.
3. THC issues a PLASMA-START-OUT to plasma power supply.
4. Preflow completes.
5. Torch fires and arc transfers to workpiece.
6. Plasma power supply issues TRANSFER-OUT signal to THC.
7. Programmed pierce delay signal elapses. THC issues PIERCE-COMPLETE-OUT signal to
plasma power supply; and THC issues MACHINE-MOTION-OUT signal to CNC to begin
profiling part.
8. At end of part profile, CNC releases CYCLE-START-IN signal to THC. Torch position freezes
until arc has extinguished (until plasma power supply transfer signal is released to THC.)
Manual mode time-line
Start
Cycle completed, return to Start for next cycle.
Note: At any time, the operator can manually jog the torch position up or down using the increment/arrow
up or decrement/arrow down keys.
To Next Page
Loading...
