Telwin Inverspotter 13000 400V Инструкция по эксплуатации онлайн [7/144] 259856

Telwin Inverspotter 13000 400V Инструкция по эксплуатации онлайн [7/144] 259856
Red LED spot-welding: this lights up for the entire duration of the spot-welding
: Pneumatic clamp function with direct spot-welding current
cycle.
The spot-welding cycle starts with a squeeze time, continues with a ramp time, a spot-
Red programming LED: the machine is in programming mode and cannot carry
welding time and ends with a hold time. This function can be selected with the "B" key.
out any spot-welding cycle.
10 “START” key:
: Pneumatic clamp function with "pulsed" spot-welding current
Press the button only when Strt appears on the display:
allows the machine to operate at the first start or after an alarm event.
The spot-welding cycle starts with a squeeze time, continues with ramp time, spot-
welding time, cool time, a series of impulses (see 4.1.1 Number of impulses) and ends
4.1.2 Pressure regulation unit and pressure gauge.
with hold time.
Used to adjust the pressure exerted on the electrodes of the pneumatic clamp by turning
This function improves spot-welding capacity on high stress sheet or on sheet that has
the adjustment knob (only for the pneumatic clamp).
been galvanised or has a special protective film.
This function can be selected with the "B" key.
NOTE: in order to allow the machine to perform at its best we always recommend
working at the maximum allowed pressure (8 bar).
: Studder function (with studder kit only)
4.2 SAFETY FUNCTIONS AND INTERLOCK
4.2.1 Safeguards and alarms
The choice of this function disables the pneumatic clamp and enables the choice of
a) Thermal relay:
the functions of the “C” key.
Triggers if the spot-welder overheats due to insufficient or lack of cooling air or to an
excessively heavy duty cycle.
: “ACCo” function: pneumatic clamp electrode squeeze.
Triggering is indicated by the yellow LED ( ) lighting up on the control panel.
The alarm is shown on the display as:
This function can be selected by pressing key “B” for about 3 seconds (only with
AL 1= safety thermal alarm (*).
pneumatic clamp). The display shows “ACCo” and the LED in the clamp flashes. In this
AL 2 = secondary overheating alarm.
function there is no current output! Press key “B” again for about 3 seconds to exit the
AL 8 = studder overheating alarm.
function.
AL 12 = clamp overheating alarm.
____________________________________________________________________
EFFECT: movement blocked: electrodes open (cylinders discharged); current
WARNING!
shutdown (welding disabled).
RESET: manual (by pressing the "STRT" button after the temperature has returned
RESIDUAL RISK! Also in this operating mode there is a risk of crushing the upper
limbs: take all necessary precautions (see the chapter on safety).
within the allowed limits the yellow LED ( ) goes off).
____________________________________________________________________
(*) NOTE: AL 1 will appear even if the 14 pin "Studder" socket (located on the back of
the generator) is disconnected.
3- Key for selecting functions with the studder gun 0:
If the Studder kit is not available, connect the relative 14 pin plug.
This only has any meaning when the studder kit is used:
b) Main switch:
- Position " O " = open (OFF), can be padlocked (see chapter 1).
: Spot welding: pins, rivets, washers, special washers using suitable
WARNING! In position "O" the terminals inside the machine (L1+L2+L3)
electrodes.
for connecting the power supply cable are live.
- Position " I " = closed (ON): the spot-welder is powered but is not in operation
2: Spot-welding Ø 4mm screws using a suitable electrode.
(STANDBY - it is necessary to press the "STRT" button).
- Emergency function
When the spot-welder is in operation, opening (pos. " I "=>pos " O ", switching off)
3: Spot-welding Ø 5-6mm screws and Ø 5mm rivets using a suitable
will stop the machine in safety mode:
electrode.
- current disabled;
4: Spot-welding single spots using a suitable electrode.
- electrodes open (cylinder discharged);
- automatic restart disabled.
c) Compressed air safeguard
: Tempering sheet metal using a carbon electrode.
Triggers if there is a pressure failure or pressure drop (p < 3bar) in the compressed air
supply;
The display indicates triggering of this safeguard with the message "AL 6"
6: Jogged spot-welding for patching sheet using a suitable electrode.
EFFECT: movement blocked: electrodes open (cylinder discharged);
current shut-down (welding disabled).
: Upsetting sheet metal using a suitable electrode.
RESET: manual (by pressing the "START" button after the pressure has returned
within the allowed limits (pressure gauge shows >3bar).
d) Safeguard for short circuit at output (only pneumatic clamp)
4 - "D" key for selecting thickness
Before starting the welding cycle the machine checks to make sure the (positive and
negative) poles of the secondary spot-welding circuit are free of accidental contact
This is used to position the spot-welding programme according to the thickness of the
points.
piece to be welded.
The display indicates triggering of this safeguard with the message “AL 7”
If the LED flashes this means welding is critical for the selected thickness with the
currently used tool; if the LED does not light up this means that the currently connected
EFFECT: movement blocked: electrodes open (cylinders discharged); current
tool is unable to weld at this thickness.
blocked (welding disabled).
RESET: manual (press the “STRT” button after eliminating the cause of short
5 - “MATERIAL key:
circuit).
This is used to select the programmes corresponding to the type of material being welded
e) Phase failure safeguard
(see section 6.3)
The display indicates triggering of this safeguard with the message "AL 11"
EFFECT: movement blocked: electrodes open (cylinder discharged); current shut-
6- RECALL and SAVE keys:
down (welding disabled).
These are active only in programming mode (see section 6.2.2). The "SAVE" key is used
RESET: manual (press "STRT" button)
to save the welding cycle setting for a given tool, thickness and material.
f) Over/undervoltage safeguard
The "RECALL" key is used to RECALL the DEFAULT welding cycle setting for a given
The display indicates triggering of this safeguard with the message "AL3" for
tool, thickness and material.
OVERVOLTAGE and "AL4" for UNDERVOLTAGE.
___________________________________________________________________
EFFECT: movement blocked: electrodes open (cylinder discharged); current shut-
WARNING! if the "RECALL" and "SAVE" keys are pressed simultaneously when
down (welding disabled)
the machine starts up, all the factory settings for each tool, thickness and material
RESET: manual (press "STRT" button)
will be loaded; any customised programme will therefore be lost!
g) "STRT" button
___________________________________________________________________
This button must be pressed to control the welding operation in each of the following
cases:
7 - Encoder:
- whenever the main switch is closed (pos " O "=>pos " | ", switching on):
Only active during programming. Used to change the value of the spot-welding
- whenever the safeguards/thermal relays have triggered:
parameters, material and to select the programmes.
- whenever the (electrical or compressed air) power supply is restored following an
interruption due to disconnection upstream or a fault.
8 - Display:
Is able to show:
- Alarm signals (see section 4.2.1).
5. INSTALLATION
- Warning signals (e.g. OP EL= insulation between electrodes, NO CO = no tool
_______________________________________________________________________________________________________________________
connected. See Tab.1 for the complete list of warnings).
WARNING! CARRY OUT ALL INSTALLATION OPERATIONS AND ELECTRICAL
The red LED on the clamp lights up when there is a warning signal.
- "STRT" whenever the machine is started up or to reset the machine after an alarm
AND PNEUMATIC CONNECTIONS WITH THE SPOT-WELDER COMPLETELY
signal.
SWITCHED OFF AND DISCONNECTED FROM THE POWER SUPPLY OUTLET. THE
- The percentage power setting [%].
ELECTRICAL AND PNEUMATIC CONNECTIONS MUST BE MADE ONLY AND
- Spot-welding parameter time expressed in cycles at 50Hz (1 cycle = 20ms).
EXCLUSIVELY BY EXPERT OR SKILLED PERSONNEL.
_______________________________________________________________________________________________________________________
- Current used in the spot-welding cycle [A].
- The material settings for the sheet being welded.
5.1 PRELIMINARY OPERATIONS
- The letter "d" indicates that the shown parameter is the default one.
Unpack the spot-welder, assemble the separate parts included in the package, as
described in this chapter (Fig. C).
9 - LED's for general alarm, spot welding, programming:
5.2 HOW TO LIFT THE SPOT-WELDER
Yellow LED general alarm: this lights up when the thermal relays trigger, when
The spot-welding machine described in this handbook is not equipped with lifting
devices.
alarms trigger for overvoltage, undervoltage, overcurrent, phase failure, air
failure.
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