Kaliburn FineLine 200PC, Руководство пользователя

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Operation FineLine 200PC User’s Manual
4-11
Making a Cut
Once the material type, thickness, and process have been entered, the correct
torch parts are installed, and the x/y machine and height control systems have
been properly configured, perform the following steps to cut with the system:
1. Depress and hold the Power On button until the Coolant Flow status LED
illuminates. If the Coolant Flow led fails to illuminate after 10 seconds, see
the maintenance section for possible solutions.
2. The automatic gas console will purge the gas hoses and set the correct gas
pressures automatically. After the pressures have been set correctly, the Gas
Console status LED will illuminate.
3. Once the Gas Console LED illuminates, the unit is ready for cutting. Upon
the reception of a cycle start signal, the following sequence will take place:
•
Two second gas preflow
•
High frequency starting circuit energized
•
Pilot arc initiation
•
Transferred arc (cutting arc) established
•
Motion output relay energized after Pierce Delay timer complete
4. Upon removal of the cycle start signal, the following sequence will take place:
•
Cutting arc extinguished
•
Motion output relay deenergized
•
Gas postflow
Cut Quality
Before the optimum cutting condition can be achieved on a particular material
type and thickness, the machine operator must have a thorough understanding of
the cutting characteristics of the FineLine system. When the cut quality is not
satisfactory, the cutting speed, torch height, or gas pressures may need to be
adjusted in small increments until the proper cutting condition is obtained. The
following guidelines should be useful in determining which cutting parameter to
adjust.
Note: Before making any parameter changes, verify that the torch is square
to the workpiece. Also, it is essential to have the correct torch parts in place
and to ensure that they are in good condition. Check the electrode for
excessive wear and the nozzle and shield cap orifices for roundness. Also,
check the parts for any dents or distortions. Irregularities in the torch parts
can cause cut quality problems.
1. A positive cut angle (top dimension of piece smaller than the bottom
dimension) usually occurs when the torch standoff distance is too high, when
cutting too fast, or when excessive power is used to cut a given plate
thickness.
2. A negative cut angle (top dimension of piece larger than the bottom
dimension) usually occurs when the torch standoff distance is too low or when