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Welding preparation and process of HDPE pipe automatic welding machine
Apr 12, 2018

Before starting the HDPE pipe automatic welding machine, it is necessary to do the relevant welding preparation work. Welding preparation work is mainly to ensure the stable operation of the HDPE pipe automatic welding machine. First of all, we need to fit the slips with the same specifications as the pipe material into the brackets; and we must prepare enough supports to ensure that the pipe to be welded can be at the same height as the centerline of the bracket and can be easily moved.

 

Next, set the heating temperature as required, usually setting the temperature range between 200 and 230 °C. After that, the power of the HDPE pipe automatic welding machine is switched on, and the heating plate, the milling chip and the oil pump switch are turned on and the test is run.

 

Usually when using the HDPE pipe automatic welding machine for welding work, the main welding process can be summarized as follows: check the pipe and clean the pipe end → fasten the pipe → milling cutter mill pipe end → check the pipe end misalignment and clearance → heat the pipe and Observe the minimum hemming height → weld the pipe and cool it to the specified time → remove the pipe.

 

It should be noted that during the entire welding process, the operator should operate the HDPE pipe automatic welding machine according to various parameters of the welding process card. And when necessary, it should be adjusted according to changes in the weather, ambient temperature, etc.

 

In addition, before the welding, it is also necessary to check the parameters of the pipe to be welded, the pressure level, and other parameters. And check whether the surface is flawed, bumped or scratched. If the depth of the flaw is found to be more than one-tenth of the thickness of the pipe, local resection should be carried out before HDPE pipe automatic welding machine can be used for welding.

 

Then, the surface of the pipe should be cleaned, and then placed in the HDPE pipe automatic welding machine bracket slip, so that both ends of the length of the extension. The parts other than the pipe rack are lifted with supports, so that the pipe axis is at the same height as the center line of the HDPE pipe automatic welding machine rack, and then fastened with the slips.

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