Joining And Cooling Stage; End Of Welding; Aborted Welding Process - HURNER SPG 2.0 Manual De Instrucciones

The change-over has to be followed immediately by the
joining stage. The change-over time given on the display
must not be exceeded. If it is, the welding is aborted auto-
matically and an error is displayed.
4.3.7

Joining and Cooling Stage

Move the pipe butts in on each other again and build the
joining pressure. Watch the value on the screen. Building
the joining pressure must correspond to a linear increase, as
predicted by the nominal values on the screen. The 5
of the diagram flashes. In the joining and cooling stage it is
particularly important to keep the pressure at the nominal
level.
Right after the end of the linear pressure ramp, at
the very beginning of the cooling, pressure may
drop slightly for technical reasons. The welder has
Important
to compensate for this drop immediately. In this
case, the first line of Display 31 reads, "Keep the
pressure."
Depending on the welding standard used or on information
provided by the pipe or fitting manufacturer, a cool-on time
may be required during which the new joint must not be
exposed to external forces. This, however, is not monitored
by the control and data logging unit, for which the welding
has to be considered finished when the last LED is lit.
4.3.8

End of Welding

The welding is finished at the end of the successful joining
and cooling stage. The machine releases the pressure on the
pipes automatically.
4.4

Aborted Welding Process

If an error condition is detected, the machine aborts the
welding process and displays the error.
The error that made the welding abort is displayed on the
screen (see Display 33). Additionally, in the welding diagram
the LED that belongs to the welding stage with the malfunc-
tion starts flashing.
The errors listed in the following table can be displayed on
the screen.
Type of Error
a. Data Input
Input Error
Code Error
22
EN
Error while entering data with the cursor keys.
Error while reading data from a bar code or an RFID card.
HÜRNER SPG 2.0 User's Manual
H Ü R N E R S c h w e i s s t e c h n i k G m b H
LED
th
Description
Nieder-Ohmener Str. 26
35325 Mücke, Germany
Build Joining Press.
230°C NOM. 16.5bar
229°C ACT. 14.5bar
Display 30
COOLING PHASE
Cooling time :1234s
230°C NOM. 16.5bar
229°C ACT. 16.5bar
Display 31
COOLING PHASE
Cooling time over
229°C ACT. 0.0bar
Display 32
WELDING ABORTED
Error Build-up Pres.
229°C ACT. 1.5bar
Display 33
Version November 2022