Würth POWERCUT 70S Traducción Del Manual De Instrucciones De Servicio Original página 24

Connection between Cutter and Power
Supply
• Connect the 'Power Supply Input Cable' on the
back board of the cutter to the single­ phase
power supply;
• Connect the 'Safe Earth Connection Bolt' with the
power supply earth cable reliably with the lead
whose section area is not less than the cutter's
input lead's
• Power Supply Configure of one Cutter:
ITEMS
Air switch（A）
Fuse（A）
knife switch（A）
Supply cable（mm ）
2
Notice: The melting current of the fuse is two times
of its rated current
Connection between Cutter and Com-
pressed Air
• Connect the output of the decompressed air to
the "gas input " on the back panel by gas pipe
with thread.
Operation (See Sketch of Cutter's
Board)
Operation
• Check the cutter which has finished connection
according to the items of the 'Operation' to be
sure that the connection is correct and reliable;
check according to the items of the 'Safety Oper­
ation' to be sure that it complies with the safety
operation requirements;
• When the supply power is on, (Voltage Dis­
player) shows the input power supply voltage;
Switch on the power supply switch of the cutter to
observe if the operation state is normal. If it is nor­
mal, the fan should start up; the (Power Supply
Indication Light) should be on. If there is no com­
pressed air or the air pressure is not enough, the
(Pressure Lack Indication Light) will sign;
• Switch the Torch cooling switch to the 'Gas Cool­
ing', adjust air decompression valve till the air
pressure is up to the cutting craft's requirement.
(The lowest pressure should be no less than
0.33MPa), the (Pressure Lack Indication Light)
won't sign at that condition;
• Adjust the (Gas Check) to the gas check position
to observe if the compressed air is smooth.
• Turn on the torch switch; the cutting operation
then begins after the cutting plasma pilot is made.
POWERCUT 70S
≥30
35
≥30
≥4
Manual cutting
Manual Contact Cutting
• Put the torch's nozzle at the start of the work
piece (with slight touch or lift). Turn on the torch
switch to ignite the plasma pilot. After the work
piece is cut thoroughly, then move the torch
along the cutting direction uniformly. The cutting
speed should be aimed to cutting thoroughly. If
the speed is too quick, the work piece won't be
cut very thoroughly, or if too slow, the cut qual­
ity would be affected even result into broken arc.
(See the following picture)
Torch
Cutting direction
• Turn off the torch after the cutting, then the
plasma pilot will extinguish and then withdraw
the torch. The cutting process is over then.
Manual Non-contact Cutting (Only Used In
HF Arc-pilot Series)
• Adjust the space between the contact work
pieces of torch's rolling wheel, nozzle and the
work piece plane to 2～4mm. (See the follow-
ing picture):
• Turn on the torch switch to ignite the plasma pilot.
After the work piece is cut thoroughly, then move
the torch along the cutting direction uniformly.
The cutting speed should be aimed to cutting thor­
oughly. If the speed is too quick, the work piece
won't be cut very thoroughly, or if too slow, the
cut quality would be affected even result into bro­
ken arc.
• Turn off the torch after the cutting, then the
plasma pilot will extinguish, and then withdraw
the torch. The cutting process is over then.
Automatic cutting (Only Used In Non-HF
Arc-pilot Series)
• Automatic cutter device if needed should be
Torch
Nozzle
Work piece
24