How to weld geomembrane？

Release time:

2024-07-29

The welding of geomembrane is an important step to ensure the anti-seepage effect, which can usually be done by using welding machines and welding guns.

How to weld geomembrane？

1. Welding method of geomembrane welding machine
Equipment preparation:
Use the geomembrane welding machine with automatic temperature control heating module to ensure that the equipment can accurately control the temperature.
Adjust the temperature button to set the appropriate temperature according to the thickness of the welded geomembrane. Generally speaking, after the temperature adjustment is completed, the welding machine will automatically adjust the temperature to ensure that the set value is reached.
Preparation before welding:
Clean the overlap of two adjacent geomembranes to ensure that there is no dust, dirt, oil stains or water stains, etc.
Set the travel speed and welding temperature of the welding machine, usually the overlap width is about 10cm.
Trial welding:
Trial welding is performed on two smaller geomembranes to ensure that the welding effect is good, without slip welding, jump welding and other phenomena.
Formal welding:
Aim the welding machine at the overlap, start the equipment and start welding.
During the welding process, pay attention to the operating status of the welding machine to ensure the welding quality.
For the case of longer welds, it is recommended to weld the transverse seam first, and then the longitudinal seam.
Subsequent processing:
After welding, check the quality of the weld to ensure that there is no leakage welding, false welding and other phenomena.
If it is found that the welding surface is not firmly bonded, the distance between the upper and lower wheels can be adjusted for secondary welding or sealing.

2. Geomembrane hot air welding gun welding method
Equipment preparation:
Use the geomembrane hot air welding gun to ensure that the equipment is intact.
Adjust the temperature knob to a low position, and gradually increase the temperature to the required value for welding as needed after power on.
Preparation before welding:
As above, clean the overlap of two adjacent geomembranes.
Welding operation:
Use the welding gun to aim at the overlap and perform heating welding.
Pay attention to the distance and angle between the welding gun and the geomembrane to avoid burns or damage to the geomembrane.
During the welding process, keep the welding gun moving evenly to ensure the quality of welding.
Shutdown processing:
After welding, first adjust the temperature knob to "0", blow for a few minutes to cool the gun barrel before shutting down.
After shutting down, put the welding gun gently to avoid damaging internal parts.

If you have an order for welding machine products, please feel free to contact us, our professional sales consultants will provide you with professional advice, the best prices and beneficial services.

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