1. The impact of voltage fluctuations on interface quality. The resistance value of the resistance wire in a given electric fusion pipe fitting in the PE pipe welding machine is constant. Therefore, the heating power of the resistance wire depends entirely on the voltage provided by the power supply, so the quality of the weld joint will be deteriorated due to the influence of the voltage fluctuation on the heating power.
2. The influence of welding time on the interface. The range of heat required for each specification of electrofusion pipe fittings is fixed. Too much or too little heat will have a fatal effect on the welding quality, and the welding voltage and pipe resistance are fixed. Under the premise that welding time is the only determinant of heat generation of pipe fittings, it is necessary to accurately control the temperature of the environment during welding time to reduce the impact on the normal operation of the PE pipe welding machine.
3. The change of the environment temperature during the use of the PE pipe welding machine directly affects the heat transfer conditions of the welding zone, which in turn affects the quality of the welding. Therefore, the PE pipe welding machine must be able to monitor the ambient temperature and automatically adjust the output parameters according to the deviation results. Make adjustments accordingly.
4. The impact of poor operation on the quality of the splice interface. The so-called poor operation of the PE pipe welding machine, on the one hand, means that the cleaning or scraping of the pipe during welding does not meet the specifications (especially the socket assembly is not in place, the socket end has a large slope, etc.), which requires the operator to have a certain degree Welding knowledge. On the other hand, errors occurred when inputting welding parameters, which should be avoided by the setting of the PE pipe welding machine itself.
