Article
UN6The water-cooled pneumatic butt welding machine is a multi-purpose resistance butt welding machine.5It is independently developed based on the modern semi-automatic butt welding machine, adding pneumatic system, water system and more intelligent control system. It is also called copper and aluminum pipe butt welding machine.Pneumatic metal bar butt welding machine, Flange butt welding machine looks more complicated, but there are not many common faults.
They are divided into1-8The serial number represents:
serial number
ContainsRighteousness
Fault display reason
solutionSolution
Thyristor pass-through
When the controller has no output, it detects that the thyristor single or double tube is conductive.
1、 Check whether the thyristor is damaged
2、 Is the wiring correct?
The thyristor does not conduct
When the controller outputs pulses, it detects that the thyristor single or double tube is cut off.
1、 Check whether the thyristor is damaged andAre the wiring of terminals 3, 4, 5 and 6 correct?
2、 Please power on the controller7.8 wiring swap
When an external thermal protection switch is connected, the switch operates or is abnormal.
1. Whether the thermal protection device operates (whether it is really overheated)
2. Is the AA setting correct?
Welding current is too large
1、 Is the AH setting correct (for example, the parameter setting is too small)
Undercurrent
Welding current is too small
1、 Is the AL setting correct (for example, the parameter setting is too small)
2、 The workpiece is not placed properly or the contact is not good
3、 The current setting value exceeds the maximum current of the transformer
Transformer range is too large
Sampling current is small
Replace the transformer with a smaller range
Memory data error
Controller parameter settings are incorrect
Check parameter settings
no sync signal
Sync signal lost
1. Check whether the wiring matches the wiring diagram
2、Please also add7 and 8 are swapped, 3 and 4 are swapped with 5 and 6 (i.e. 3 and 5 are swapped, 4 and 6 are swapped)
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